Update upstream source from tag 'upstream/1.0.28'

Update to upstream version '1.0.28' with Debian dir ec5bb298266630fc3801ff6dc0c258f6df7ba979
author: Jörg Frings-Fürst <debian@jff-webhosting.net> 2019-07-31 17:00:20 +0200
committer: Jörg Frings-Fürst <debian@jff-webhosting.net> 2019-07-31 17:00:20 +0200
commit: 3759ce55ba79b8d3b9d8ed247a252273ee7dade3 (patch)
tree: d69692a274dd1c7d0672e6bb7155a0fc106f9d49 /sanei
parent: c8bd2513ecba169cff44c09c8058c36987357b18 (diff)
parent: 1687222e1b9e74c89cafbb5910e72d8ec7bfd40f (diff)
20 files changed, 355 insertions, 1224 deletions
diff --git a/sanei/Makefile.in b/sanei/Makefile.in
deleted file mode 100644
index c6fa654..0000000
--- a/sanei/Makefile.in
+++ /dev/null
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-# Tell versions [3.59,3.63) of GNU make to not export all variables.
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diff --git a/sanei/sanei_DomainOS.c b/sanei/sanei_DomainOS.c
index 5473151..7b851a8 100644
--- a/sanei/sanei_DomainOS.c
+++ b/sanei/sanei_DomainOS.c
@@ -326,7 +326,7 @@ static void DomainSCSIWait(void)
                      static status_$t sense_status;
                      static pinteger sense_return_count;
                      static int temp;
-            
+
                      /* Issue the sense command (wire, issue, wait, unwire */
                      sense_cdb_size = sizeof(scanner_sense_cdb);
                      memcpy(&sense_cdb, scanner_sense_cdb, sense_cdb_size);
diff --git a/sanei/sanei_DomainOS.h b/sanei/sanei_DomainOS.h
index ff93503..8f88e5f 100644
--- a/sanei/sanei_DomainOS.h
+++ b/sanei/sanei_DomainOS.h
@@ -73,4 +73,3 @@ struct DomainServerCommon
    };
 
 #endif /*DomainSenseSize*/
-
diff --git a/sanei/sanei_ab306.c b/sanei/sanei_ab306.c
index 898acf6..4483fec 100644
--- a/sanei/sanei_ab306.c
+++ b/sanei/sanei_ab306.c
@@ -294,7 +294,7 @@ sanei_ab306_open (const char *dev, int *fdp)
   status = sanei_ab306_get_io_privilege (i);
   if (status != SANE_STATUS_GOOD)
     return status;
-  
+
   DBG(1, "sanei_ab306_ioport: using inb/outb access\n");
   for (j = 0; j < NELEMS(wakeup); ++j)
     {
@@ -477,7 +477,7 @@ sanei_ab306_rdata (int fd, int planes, SANE_Byte * buf, int lines, int bpl)
 	  do
 	    nstat = ab306_inb (p, p->base + 1);
 	  while (((p->lstat ^ nstat) & 0x10) == 0);
-	  
+
 	  if (p->port_fd >= 0)
 	    {
 	      /* the pixel-loop: */
diff --git a/sanei/sanei_access.c b/sanei/sanei_access.c
index b77cdd9..cb19c5c 100644
--- a/sanei/sanei_access.c
+++ b/sanei/sanei_access.c
@@ -80,10 +80,10 @@
 #ifdef ENABLE_LOCKING
 /** get the status/owner of a lock file
  *
- * The function tries to open an existing lockfile. On success, it reads out 
+ * The function tries to open an existing lockfile. On success, it reads out
  * the pid which is stored inside and tries to find out more about the status
  * of the process with the corresponding PID.
- * 
+ *
  * @param fn - the complete filename of the lockfile to check
  * @return
  * - PROCESS_SELF  - the calling process is owner of the lockfile
@@ -96,10 +96,10 @@ get_lock_status( char *fn )
 	char  pid_buf[PID_BUFSIZE];
 	int   fd, status;
 	pid_t pid;
-	
+
 	fd = open( fn, O_RDONLY );
 	if( fd < 0 ) {
-		DBG( 2, "does_process_exist: open >%s< failed: %s\n", 
+		DBG( 2, "does_process_exist: open >%s< failed: %s\n",
 		        fn, strerror(errno));
 		return PROCESS_OTHER;
 	}
@@ -155,7 +155,7 @@ sanei_access_init( const char *backend )
 	DBG( 2, "sanei_access_init: >%s<\n", backend);
 }
 
-SANE_Status 
+SANE_Status
 sanei_access_lock( const char *devicename, SANE_Word timeout )
 {
 #ifdef ENABLE_LOCKING
@@ -164,7 +164,7 @@ sanei_access_lock( const char *devicename, SANE_Word timeout )
 	int  fd, to, i;
 #endif
 
-	DBG( 2, "sanei_access_lock: devname >%s<, timeout: %u\n", 
+	DBG( 2, "sanei_access_lock: devname >%s<, timeout: %u\n",
 	        devicename, timeout );
 #ifndef ENABLE_LOCKING
 	return SANE_STATUS_GOOD;
@@ -179,7 +179,7 @@ sanei_access_lock( const char *devicename, SANE_Word timeout )
 
 		fd = open( fn, O_CREAT | O_EXCL | O_WRONLY, 0644 );
 		if (fd < 0) {
-	
+
 			if (errno == EEXIST) {
 				switch( get_lock_status( fn )) {
 				case PROCESS_DEAD:
@@ -198,7 +198,7 @@ sanei_access_lock( const char *devicename, SANE_Word timeout )
 				DBG( 2, "sanei_access_lock: lock exists, waiting...\n" );
 				sleep(1);
 			} else {
-				DBG( 1, "sanei_access_lock: open >%s< failed: %s\n", 
+				DBG( 1, "sanei_access_lock: open >%s< failed: %s\n",
 				        fn, strerror(errno));
 				return SANE_STATUS_ACCESS_DENIED;
 			}
@@ -215,7 +215,7 @@ sanei_access_lock( const char *devicename, SANE_Word timeout )
 #endif
 }
 
-SANE_Status 
+SANE_Status
 sanei_access_unlock( const char *devicename )
 {
 #ifdef ENABLE_LOCKING
diff --git a/sanei/sanei_auth.c b/sanei/sanei_auth.c
index cbba06c..9039187 100644
--- a/sanei/sanei_auth.c
+++ b/sanei/sanei_auth.c
@@ -36,7 +36,7 @@
 
    If you write modifications of your own for SANE, it is your choice
    whether to permit this exception to apply to your modifications.
-   If you do not wish that, delete this exception notice. 
+   If you do not wish that, delete this exception notice.
 
    This file implements an interface for user authorization using MD5 digest */
 
diff --git a/sanei/sanei_config.c b/sanei/sanei_config.c
index c158766..0eaee9a 100644
--- a/sanei/sanei_config.c
+++ b/sanei/sanei_config.c
@@ -227,7 +227,7 @@ sanei_config_read (char *str, int n, FILE *stream)
    while( isspace( *start))
       start++;
 
-   if (start != str) 
+   if (start != str)
       do {
          *str++ = *start++;
       } while( *str);
@@ -266,7 +266,7 @@ sanei_configure_attach (const char *config_file, SANEI_Config * config,
     }
 
   /* loop reading the configuration file, all line beginning by "option " are
-   * parsed for value to store in configuration structure, other line are 
+   * parsed for value to store in configuration structure, other line are
    * used are device to try to attach
    */
   while (sanei_config_read (line, PATH_MAX, fp) && status == SANE_STATUS_GOOD)
@@ -292,7 +292,7 @@ sanei_configure_attach (const char *config_file, SANEI_Config * config,
 
       /* to ensure maximum compatibility, we accept line like:
        * option "option_name" "option_value"
-       * "option_name" "option_value" 
+       * "option_name" "option_value"
        * So we parse the line 2 time to find an option */
       /* check if it is an option */
       lp = sanei_config_get_string (lp, &token);
@@ -405,7 +405,7 @@ sanei_configure_attach (const char *config_file, SANEI_Config * config,
 		       config->descriptors[i]->type,
 		       config->descriptors[i]->name);
 		}
-	      
+
 	      /* check decoded value */
 	      status = sanei_check_value (config->descriptors[i], value);
 
@@ -438,7 +438,7 @@ sanei_configure_attach (const char *config_file, SANEI_Config * config,
 	  /* to avoid every backend to depend on scsi and usb functions
 	   * we call back the backend for attach. In turn it will call
 	   * sanei_usb_attach_matching_devices, sanei_config_attach_matching_devices
-	   * or other. This means 2 callback functions per backend using this 
+	   * or other. This means 2 callback functions per backend using this
 	   * function. */
 	  DBG (3, "sanei_configure_attach: trying to attach with '%s'\n",
 	       lp2);
diff --git a/sanei/sanei_config2.c b/sanei/sanei_config2.c
index 44c6b93..cd9484d 100644
--- a/sanei/sanei_config2.c
+++ b/sanei/sanei_config2.c
@@ -149,6 +149,6 @@ sanei_config_attach_matching_devices (const char *name,
       if (type)
 	free (type);
     }
-  else 
+  else
     (*attach) (name);
 }
diff --git a/sanei/sanei_init_debug.c b/sanei/sanei_init_debug.c
index 0abb891..946aee9 100644
--- a/sanei/sanei_init_debug.c
+++ b/sanei/sanei_init_debug.c
@@ -107,16 +107,31 @@ sanei_init_debug (const char * backend, int * var)
   DBG (0, "Setting debug level of %s to %d.\n", backend, *var);
 }
 
+static int
+is_socket (int fd)
+{
+  struct stat sbuf;
+
+  if (fstat(fd, &sbuf) == -1) return 0;
+
+#if defined(S_ISSOCK)
+  return S_ISSOCK(sbuf.st_mode);
+#elif defined (S_IFMT) && defined(S_IFMT)
+  return (sbuf.st_mode & S_IFMT) == S_IFSOCK;
+#else
+  return 0;
+#endif
+}
+
 void
 sanei_debug_msg
   (int level, int max_level, const char *be, const char *fmt, va_list ap)
 {
   char *msg;
-	
+
   if (max_level >= level)
     {
-#ifdef S_IFSOCK
-      if ( 1 == isfdtype(fileno(stderr), S_IFSOCK) )
+      if (is_socket(fileno(stderr)))
 	{
 	  msg = (char *)malloc (sizeof(char) * (strlen(be) + strlen(fmt) + 4));
 	  if (msg == NULL)
@@ -132,12 +147,11 @@ sanei_debug_msg
 	    }
 	}
       else
-#endif
 	{
 	  fprintf (stderr, "[%s] ", be);
           vfprintf (stderr, fmt, ap);
 	}
-	 
+
     }
 }
 
diff --git a/sanei/sanei_lm983x.c b/sanei/sanei_lm983x.c
index 5b41985..62dfad9 100644
--- a/sanei/sanei_lm983x.c
+++ b/sanei/sanei_lm983x.c
@@ -4,7 +4,7 @@
    Copyright (C) 2002-2004 Gerhard Jaeger <gerhard@gjaeger.de>
 
    This file is part of the SANE package.
- 
+
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of the
@@ -96,20 +96,20 @@ sanei_lm983x_write( SANE_Int fd, SANE_Byte reg,
 
 	DBG( 15, "sanei_lm983x_write: fd=%d, reg=%d, len=%d, increment=%d\n", fd,
 	         reg, len, increment);
-	
+
 	if( reg > _LM9831_MAX_REG ) {
 		DBG( 1, "sanei_lm983x_write: register out of range (%u>%u)\n",
 				 reg, _LM9831_MAX_REG );
 		return SANE_STATUS_INVAL;
 	}
-	
+
 	for( bytes = 0; len > 0; ) {
 
 		max_len = _MIN( len, _MAX_TRANSFER_SIZE );
 
 		command_buffer[0] = 0;                      /* write              */
 		command_buffer[1] = reg;                    /* LM983x register    */
-		
+
 		if( increment == SANE_TRUE ) {
 			command_buffer[0] += 0x02;              /* increase reg?      */
 			command_buffer[1] += bytes;
@@ -122,7 +122,7 @@ sanei_lm983x_write( SANE_Int fd, SANE_Byte reg,
 
 		size   = (max_len + _CMD_BYTE_CNT);
 		result = sanei_usb_write_bulk( fd, command_buffer, &size );
-		
+
 		if( SANE_STATUS_GOOD != result )
 			return result;
 
@@ -183,7 +183,7 @@ sanei_lm983x_read( SANE_Int fd, SANE_Byte reg,
 
 		if( SANE_STATUS_GOOD != result )
 			return result;
-		
+
 		if( size != _CMD_BYTE_CNT) {
 			DBG( 1, "sanei_lm983x_read: short write while writing command "
 			        "(%d/_CMD_BYTE_CNT)\n", result);
@@ -228,7 +228,7 @@ SANE_Bool sanei_lm983x_reset( SANE_Int fd )
 	DBG( 15, "sanei_lm983x_reset()\n" );
 
 	for( i = 0; i < _MAX_RETRY; i++ ) {
-		
+
 		/* Read the command register and check that the reset bit is not set
 		 * If it is set, clear it and return false to indicate that
 		 * the bit has only now been cleared
diff --git a/sanei/sanei_magic.c b/sanei/sanei_magic.c
index bfd56cc..3e71946 100644
--- a/sanei/sanei_magic.c
+++ b/sanei/sanei_magic.c
@@ -123,17 +123,17 @@ sanei_magic_despeck (SANE_Parameters * params, SANE_Byte * buffer,
 
         /* convert darkest pixel into a brighter threshold */
         thresh = (thresh + 255*3 + 255*3)/3;
-  
+
         /*loop over rows and columns around window */
         for(k=-1; k<diam+1; k++){
           for(l=-1; l<diam+1; l++){
 
             int tmp[3];
-  
+
             /* dont count pixels in the window */
             if(k != -1 && k != diam && l != -1 && l != diam)
               continue;
-  
+
             for(n=0; n<3; n++){
               tmp[n] = buffer[i + j*3 + k*bw + l*3 + n];
               outer[n] += tmp[n];
@@ -182,7 +182,7 @@ sanei_magic_despeck (SANE_Parameters * params, SANE_Byte * buffer,
 
         /* convert darkest pixel into a brighter threshold */
         thresh = (thresh + 255 + 255)/3;
-  
+
         /*loop over rows and columns around window */
         for(k=-1; k<diam+1; k++){
           for(l=-1; l<diam+1; l++){
@@ -192,7 +192,7 @@ sanei_magic_despeck (SANE_Parameters * params, SANE_Byte * buffer,
             /* dont count pixels in the window */
             if(k != -1 && k != diam && l != -1 && l != diam)
               continue;
-  
+
             tmp = buffer[i + j + k*bw + l];
 
             if(tmp < thresh){
@@ -222,7 +222,7 @@ sanei_magic_despeck (SANE_Parameters * params, SANE_Byte * buffer,
   else if(params->format == SANE_FRAME_GRAY && params->depth == 1){
     for(i=bw; i<bt-bw-(bw*diam); i+=bw){
       for(j=1; j<pw-1-diam; j++){
-        
+
         int curr = 0;
         int hits = 0;
 
@@ -242,7 +242,7 @@ sanei_magic_despeck (SANE_Parameters * params, SANE_Byte * buffer,
             /* dont count pixels in the window */
             if(k != -1 && k != diam && l != -1 && l != diam)
               continue;
-  
+
             hits += buffer[i + k*bw + (j+l)/8] >> (7-(j+l)%8) & 1;
 
             if(hits)
@@ -631,7 +631,7 @@ sanei_magic_rotate (SANE_Parameters * params, SANE_Byte * buffer,
     goto cleanup;
   }
 
-  if(params->format == SANE_FRAME_RGB || 
+  if(params->format == SANE_FRAME_RGB ||
     (params->format == SANE_FRAME_GRAY && params->depth == 8)
   ){
 
@@ -642,19 +642,19 @@ sanei_magic_rotate (SANE_Parameters * params, SANE_Byte * buffer,
 
     for (i=0; i<height; i++) {
       int shiftY = centerY - i;
-    
+
       for (j=0; j<pwidth; j++) {
         int shiftX = centerX - j;
         int sourceX, sourceY;
-    
+
         sourceX = centerX - (int)(shiftX * slopeCos + shiftY * slopeSin);
         if (sourceX < 0 || sourceX >= pwidth)
           continue;
-    
+
         sourceY = centerY + (int)(-shiftY * slopeCos + shiftX * slopeSin);
         if (sourceY < 0 || sourceY >= height)
           continue;
-    
+
         for (k=0; k<depth; k++) {
           outbuf[i*bwidth+j*depth+k]
             = buffer[sourceY*bwidth+sourceX*depth+k];
@@ -672,15 +672,15 @@ sanei_magic_rotate (SANE_Parameters * params, SANE_Byte * buffer,
 
     for (i=0; i<height; i++) {
       int shiftY = centerY - i;
-    
+
       for (j=0; j<pwidth; j++) {
         int shiftX = centerX - j;
         int sourceX, sourceY;
-    
+
         sourceX = centerX - (int)(shiftX * slopeCos + shiftY * slopeSin);
         if (sourceX < 0 || sourceX >= pwidth)
           continue;
-    
+
         sourceY = centerY + (int)(-shiftY * slopeCos + shiftX * slopeSin);
         if (sourceY < 0 || sourceY >= height)
           continue;
@@ -689,7 +689,7 @@ sanei_magic_rotate (SANE_Parameters * params, SANE_Byte * buffer,
         outbuf[i*bwidth + j/8] &= ~(1 << (7-(j%8)));
 
         /* fill in new bit */
-        outbuf[i*bwidth + j/8] |= 
+        outbuf[i*bwidth + j/8] |=
           ((buffer[sourceY*bwidth + sourceX/8]
           >> (7-(sourceX%8))) & 1) << (7-(j%8));
       }
@@ -726,7 +726,7 @@ sanei_magic_isBlank (SANE_Parameters * params, SANE_Byte * buffer,
   /*convert thresh from percent (0-100) to 0-1 range*/
   thresh /= 100;
 
-  if(params->format == SANE_FRAME_RGB || 
+  if(params->format == SANE_FRAME_RGB ||
     (params->format == SANE_FRAME_GRAY && params->depth == 8)
   ){
 
@@ -783,7 +783,7 @@ sanei_magic_isBlank (SANE_Parameters * params, SANE_Byte * buffer,
 
 /* Divide the image into 1/2 inch squares, skipping a 1/4 inch
  * margin on all sides. If all squares are under the user's density,
- * signal our caller to skip the image entirely, by returning 
+ * signal our caller to skip the image entirely, by returning
  * SANE_STATUS_NO_DOCS */
 SANE_Status
 sanei_magic_isBlank2 (SANE_Parameters * params, SANE_Byte * buffer,
@@ -813,12 +813,12 @@ sanei_magic_isBlank2 (SANE_Parameters * params, SANE_Byte * buffer,
 
     for(yb=0; yb<yblocks; yb++){
       for(xb=0; xb<xblocks; xb++){
-  
+
         /*count dark pix in this block*/
         double blocksum = 0;
-  
+
         for(y=0; y<yhalf; y++){
-  
+
           /* skip the top and left 1/4 inch */
           int offset = (yquarter + yb*yhalf + y) * params->bytes_per_line
             + (xquarter + xb*xhalf) * Bpp;
@@ -826,7 +826,7 @@ sanei_magic_isBlank2 (SANE_Parameters * params, SANE_Byte * buffer,
 
           /*count darkness of pix in this row*/
           int rowsum = 0;
-  
+
           for(x=0; x<xhalf*Bpp; x++){
             rowsum += 255 - ptr[x];
           }
@@ -847,12 +847,12 @@ sanei_magic_isBlank2 (SANE_Parameters * params, SANE_Byte * buffer,
 
     for(yb=0; yb<yblocks; yb++){
       for(xb=0; xb<xblocks; xb++){
-  
+
         /*count dark pix in this block*/
         double blocksum = 0;
-  
+
         for(y=0; y<yhalf; y++){
-  
+
           /* skip the top and left 1/4 inch */
           int offset = (yquarter + yb*yhalf + y) * params->bytes_per_line
             + (xquarter + xb*xhalf) / 8;
@@ -860,7 +860,7 @@ sanei_magic_isBlank2 (SANE_Parameters * params, SANE_Byte * buffer,
 
           /*count darkness of pix in this row*/
           int rowsum = 0;
-  
+
           for(x=0; x<xhalf; x++){
             rowsum += ptr[x/8] >> (7-(x%8)) & 1;
           }
@@ -898,7 +898,7 @@ sanei_magic_findTurn(SANE_Parameters * params, SANE_Byte * buffer,
 
   DBG(10,"sanei_magic_findTurn: start\n");
 
-  if(params->format == SANE_FRAME_RGB || 
+  if(params->format == SANE_FRAME_RGB ||
     (params->format == SANE_FRAME_GRAY && params->depth == 8)
   ){
 
@@ -1125,7 +1125,7 @@ sanei_magic_turn(SANE_Parameters * params, SANE_Byte * buffer,
   }
 
   /*turn color & gray image*/
-  if(params->format == SANE_FRAME_RGB || 
+  if(params->format == SANE_FRAME_RGB ||
     (params->format == SANE_FRAME_GRAY && params->depth == 8)
   ){
 
@@ -1282,7 +1282,7 @@ getTopEdge(int width, int height, int resolution,
   double topSlope = 0;
   int topOffset = 0;
   int topDensity = 0;
-  
+
   int i,j;
   int pass = 0;
 
@@ -1436,7 +1436,7 @@ getLine (int height, int width, int * buff,
 
     /* find central value of this 'bucket' */
     slopeCenter[j] = (
-      (double)j*(maxSlope-minSlope)/slopes+minSlope 
+      (double)j*(maxSlope-minSlope)/slopes+minSlope
       + (double)(j+1)*(maxSlope-minSlope)/slopes+minSlope
     )/2;
 
@@ -1525,7 +1525,7 @@ getLine (int height, int width, int * buff,
         maxDensity = lines[i][j];
     }
   }
-  
+
   DBG(15,"getLine: maxDensity %d\n",maxDensity);
 
   *finSlope = 0;
@@ -1544,20 +1544,20 @@ getLine (int height, int width, int * buff,
       }
     }
   }
-  
+
   if(0){
     fprintf(stderr,"offsetCenter:       ");
     for(j=0;j<offsets;j++){
       fprintf(stderr," %+04.0f",offsetCenter[j]);
     }
     fprintf(stderr,"\n");
-  
+
     fprintf(stderr,"offsetScale:        ");
     for(j=0;j<offsets;j++){
       fprintf(stderr," %04d",offsetScale[j]);
     }
     fprintf(stderr,"\n");
-  
+
     for(i=0;i<slopes;i++){
       fprintf(stderr,"slope: %02d %+02.2f %03d:",i,slopeCenter[i],slopeScale[i]);
       for(j=0;j<offsets;j++){
@@ -1589,12 +1589,12 @@ getLine (int height, int width, int * buff,
   return ret;
 }
 
-/* find the left side of paper by moving a line 
+/* find the left side of paper by moving a line
  * perpendicular to top slope across the image
  * the 'left-most' point on the paper is the
  * one with the smallest X intercept
  * return x and y intercepts */
-static SANE_Status 
+static SANE_Status
 getLeftEdge (int width, int height, int * top, int * bot,
  double slope, int * finXInter, int * finYInter)
 {
@@ -1611,7 +1611,7 @@ getLeftEdge (int width, int height, int * top, int * bot,
   leftCount = 0;
 
   for(i=0;i<width;i++){
-    
+
     if(top[i] < height){
       int tyi = top[i] - (slope * i);
       int txi = tyi/-slope;
@@ -1638,7 +1638,7 @@ getLeftEdge (int width, int height, int * top, int * bot,
   leftCount = 0;
 
   for(i=0;i<width;i++){
-    
+
     if(bot[i] > -1){
 
       int byi = bot[i] - (slope * i);
@@ -1677,7 +1677,7 @@ getLeftEdge (int width, int height, int * top, int * bot,
 
 /* Loop thru the image and look for first color change in each column.
  * Return a malloc'd array. Caller is responsible for freeing. */
-int * 
+int *
 sanei_magic_getTransY (
   SANE_Parameters * params, int dpi, SANE_Byte * buffer, int top)
 {
@@ -1715,7 +1715,7 @@ sanei_magic_getTransY (
 
   /* load the buff array with y value for first color change from edge
    * gray/color uses a different algo from binary/halftone */
-  if(params->format == SANE_FRAME_RGB || 
+  if(params->format == SANE_FRAME_RGB ||
     (params->format == SANE_FRAME_GRAY && params->depth == 8)
   ){
 
@@ -1734,10 +1734,10 @@ sanei_magic_getTransY (
       }
       near *= winLen;
       far = near;
-  
+
       /* move windows, check delta */
       for(j=firstLine+direction; j!=lastLine; j+=direction){
-  
+
         int farLine = j-winLen*2*direction;
         int nearLine = j-winLen*direction;
 
@@ -1770,10 +1770,10 @@ sanei_magic_getTransY (
     int near = 0;
 
     for(i=0; i<width; i++){
-  
+
       /* load the near window with first pixel */
       near = buffer[(firstLine*width+i)/8] >> (7-(i%8)) & 1;
-  
+
       /* move */
       for(j=firstLine+direction; j!=lastLine; j+=direction){
         if((buffer[(j*width+i)/8] >> (7-(i%8)) & 1) != near){
@@ -1809,7 +1809,7 @@ sanei_magic_getTransY (
 
 /* Loop thru the image height and look for first color change in each row.
  * Return a malloc'd array. Caller is responsible for freeing. */
-int * 
+int *
 sanei_magic_getTransX (
   SANE_Parameters * params, int dpi, SANE_Byte * buffer, int left)
 {
@@ -1848,7 +1848,7 @@ sanei_magic_getTransX (
 
   /* load the buff array with x value for first color change from edge
    * gray/color uses a different algo from binary/halftone */
-  if(params->format == SANE_FRAME_RGB || 
+  if(params->format == SANE_FRAME_RGB ||
     (params->format == SANE_FRAME_GRAY && params->depth == 8)
   ){
 
@@ -1867,10 +1867,10 @@ sanei_magic_getTransX (
       }
       near *= winLen;
       far = near;
-  
+
       /* move windows, check delta */
       for(j=firstCol+direction; j!=lastCol; j+=direction){
-  
+
         int farCol = j-winLen*2*direction;
         int nearCol = j-winLen*direction;
 
@@ -1888,7 +1888,7 @@ sanei_magic_getTransX (
           near -= buffer[i*bwidth + nearCol*depth + k];
           near += buffer[i*bwidth + j*depth + k];
         }
-  
+
         if(abs(near - far) > 50*winLen*depth - near*40/255){
           buff[i] = j;
           break;
@@ -1902,10 +1902,10 @@ sanei_magic_getTransX (
     int near = 0;
 
     for(i=0; i<height; i++){
-  
+
       /* load the near window with first pixel */
       near = buffer[i*bwidth + firstCol/8] >> (7-(firstCol%8)) & 1;
-  
+
       /* move */
       for(j=firstCol+direction; j!=lastCol; j+=direction){
         if((buffer[i*bwidth + j/8] >> (7-(j%8)) & 1) != near){
@@ -1938,4 +1938,3 @@ sanei_magic_getTransX (
 
   return buff;
 }
-
diff --git a/sanei/sanei_pa4s2.c b/sanei/sanei_pa4s2.c
index d1be0c0..282e6fd 100644
--- a/sanei/sanei_pa4s2.c
+++ b/sanei/sanei_pa4s2.c
@@ -37,7 +37,7 @@
 
    If you write modifications of your own for SANE, it is your choice
    whether to permit this exception to apply to your modifications.
-   If you do not wish that, delete this exception notice. 
+   If you do not wish that, delete this exception notice.
 
    This file implements an interface for the Mustek PP chipset A4S2 */
 
@@ -48,7 +48,7 @@
    3 - things nice to know
    4 - code flow
    5 - detailed flow
-   6 - everything 
+   6 - everything
 
    These debug levels can be set using the environment variable
    SANE_DEBUG_SANEI_PA4S2 */
@@ -333,7 +333,7 @@ pa4s2_init (SANE_Status *status)
     }
 
   DBG (3, "pa4s2_init: %d ports reported by IEEE 1284 library\n", pplist.portc);
-  
+
   for (n=0; n<pplist.portc; n++)
     DBG (6, "pa4s2_init: port %d is `%s`\n", n, pplist.portv[n]->name);
 
@@ -388,7 +388,7 @@ pa4s2_open (const char *dev, SANE_Status * status)
 #if !defined (HAVE_LIBIEEE1284)
   u_long base;
 #endif
-  
+
   DBG (4, "pa4s2_open: trying to attach dev `%s`\n", dev);
 
   if ((result = pa4s2_init(status)) != 0)
@@ -397,7 +397,7 @@ pa4s2_open (const char *dev, SANE_Status * status)
       DBG (1, "pa4s2_open: failed to initialize\n");
       return result;
     }
-  
+
 #if !defined (HAVE_LIBIEEE1284)
 
   {
@@ -526,7 +526,7 @@ pa4s2_open (const char *dev, SANE_Status * status)
   if (ioperm (port[n].base, 5, 1))
     {
 
-      DBG (1, "pa4s2_open: cannot get io privilege for port 0x%03lx\n", 
+      DBG (1, "pa4s2_open: cannot get io privilege for port 0x%03lx\n",
       		port[n].base);
 
 
@@ -715,7 +715,7 @@ pa4s2_readbyte_nib (int fd)
 {
 
   u_char val;
-  
+
   outbyte2 (fd, 0x05);
   val = inbyte1(fd);
   val >>= 4;
@@ -891,7 +891,7 @@ pa4s2_close (int fd, SANE_Status * status)
     {
 
 #if defined(HAVE_LIBIEEE1284)
-      DBG (1, "pa4s2_close: can't free port '%s' (%s)\n", 
+      DBG (1, "pa4s2_close: can't free port '%s' (%s)\n",
       		pplist.portv[fd]->name, pa4s2_libieee1284_errorstr(result));
 #else
       DBG (1, "pa4s2_close: can't free port 0x%03lx\n", port[fd].base);
@@ -1034,7 +1034,7 @@ sanei_pa4s2_scsi_pp_get_status(int fd, u_char *status)
 /*
  * SCSI-over-parallel scanners need this done when a register is
  * selected
- */ 
+ */
 SANE_Status
 sanei_pa4s2_scsi_pp_reg_select (int fd, int reg)
 {
@@ -1430,7 +1430,7 @@ sanei_pa4s2_enable (int fd, int enable)
       /* io-permissions are not inherited after fork (at least not on
          linux 2.2, although they seem to be inherited on linux 2.4),
          so we should make sure we get the permission */
-      
+
       if (ioperm (port[fd].base, 5, 1))
       {
           DBG (1, "sanei_pa4s2_enable: cannot get io privilege for port"
@@ -1457,7 +1457,7 @@ sanei_pa4s2_enable (int fd, int enable)
     {
 
 #if defined(HAVE_LIBIEEE1284)
-      DBG (4, "sanei_pa4s2_enable: disable port '%s'\n", 
+      DBG (4, "sanei_pa4s2_enable: disable port '%s'\n",
       		pplist.portv[fd]->name);
 #else
       DBG (4, "sanei_pa4s2_enable: disable port 0x%03lx\n", port[fd].base);
diff --git a/sanei/sanei_pio.c b/sanei/sanei_pio.c
index 00e40ee..3290704 100644
--- a/sanei/sanei_pio.c
+++ b/sanei/sanei_pio.c
@@ -112,7 +112,7 @@ inb (u_long port)
 #define PORT_DEV	"/dev/port"
 
 /*    base    278 (lpt2)
-   
+
               ioport  stat    ctrl
       offs    0       1       2
       len     1       1       1     */
@@ -174,7 +174,7 @@ static int pio_write (const Port port, const u_char * buf, int n);
 static int pio_read (const Port port, u_char * buf, int n);
 static int pio_open (const char *dev, SANE_Status * status);
 
-static inline int 
+static inline int
 pio_outb (const Port port, u_char val, u_long addr)
 {
 
@@ -190,7 +190,7 @@ pio_outb (const Port port, u_char val, u_long addr)
   return 0;
 }
 
-static inline int 
+static inline int
 pio_inb (const Port port, u_char * val, u_long addr)
 {
 
@@ -206,7 +206,7 @@ pio_inb (const Port port, u_char * val, u_long addr)
   return 0;
 }
 
-static inline int 
+static inline int
 pio_wait (const Port port, u_char val, u_char mask)
 {
   int stat = 0;
@@ -268,7 +268,7 @@ pio_ctrl (const Port port, u_char val)
   return;
 }
 
-static inline void 
+static inline void
 pio_delay (const Port port)
 {
   inb (port->base + PIO_STAT);	/* delay */
@@ -276,14 +276,14 @@ pio_delay (const Port port)
   return;
 }
 
-static inline void 
+static inline void
 pio_init (const Port port)
 {
   pio_ctrl (port, PIO_CTRL_IE);
   return;
 }
 
-static void 
+static void
 pio_reset (const Port port)
 {
   int n;
@@ -302,7 +302,7 @@ pio_reset (const Port port)
   return;
 }
 
-static int 
+static int
 pio_write (const Port port, const u_char * buf, int n)
 {
   int k;
@@ -356,7 +356,7 @@ pio_write (const Port port, const u_char * buf, int n)
   return k;
 }
 
-static int 
+static int
 pio_read (const Port port, u_char * buf, int n)
 {
   int k;
@@ -401,10 +401,10 @@ pio_read (const Port port, u_char * buf, int n)
 }
 
 /*
-     Open the device, <dev> must contain a valid port number (as string).   
+     Open the device, <dev> must contain a valid port number (as string).
  */
 
-static int 
+static int
 pio_open (const char *dev, SANE_Status * status)
 {
   static int first_time = 1;
@@ -481,7 +481,7 @@ pio_open (const char *dev, SANE_Status * status)
   return n;
 }
 
-SANE_Status 
+SANE_Status
 sanei_pio_open (const char *dev, int *fdp)
 {
   SANE_Status status;
@@ -490,7 +490,7 @@ sanei_pio_open (const char *dev, int *fdp)
   return status;
 }
 
-void 
+void
 sanei_pio_close (int fd)
 {
   Port p = port + fd;
@@ -512,7 +512,7 @@ sanei_pio_close (int fd)
   return;
 }
 
-int 
+int
 sanei_pio_read (int fd, u_char * buf, int n)
 {
   if ((0 > fd) && (NELEMS (port) <= fd))
@@ -524,7 +524,7 @@ sanei_pio_read (int fd, u_char * buf, int n)
   return pio_read (&port[fd], buf, n);
 }
 
-int 
+int
 sanei_pio_write (int fd, const u_char * buf, int n)
 {
   if ((0 > fd) && (NELEMS (port) <= fd))
@@ -546,30 +546,30 @@ SANE_Status
 sanei_pio_open (const char *dev, int *fdp)
 {
 	int fp;
-	
+
 	/* open internal parallel port */
 	fp=open("/dev/parallel/parallel1",O_RDWR);
-  
+
   	*fdp=fp;
   	if(fp<0) return SANE_STATUS_INVAL;
   	return(SANE_STATUS_GOOD);
 }
 
 
-void 
+void
 sanei_pio_close (int fd)
 {
 	close(fd);
 	return;
 }
 
-int 
+int
 sanei_pio_read (int fd, u_char * buf, int n)
 {
 	return(read(fd,buf,n));
 }
 
-int 
+int
 sanei_pio_write (int fd, const u_char * buf, int n)
 {
   	return(write(fd,buf,n));
@@ -585,19 +585,19 @@ sanei_pio_open (const char *dev, int *fdp)
 }
 
 
-void 
+void
 sanei_pio_close (int fd)
 {
   return;
 }
 
-int 
+int
 sanei_pio_read (int fd, u_char * buf, int n)
 {
   return -1;
 }
 
-int 
+int
 sanei_pio_write (int fd, const u_char * buf, int n)
 {
   return -1;
diff --git a/sanei/sanei_pp.c b/sanei/sanei_pp.c
index dec84ee..89f3232 100644
--- a/sanei/sanei_pp.c
+++ b/sanei/sanei_pp.c
@@ -38,7 +38,7 @@
  *
  * If you write modifications of your own for SANE, it is your choice
  * whether to permit this exception to apply to your modifications.
- * If you do not wish that, delete this exception notice. 
+ * If you do not wish that, delete this exception notice.
  *
  * This file implements an interface for accessing the parallelport
  */
@@ -50,7 +50,7 @@
  * 3 - things nice to know
  * 4 - code flow
  * 5 - detailed flow
- * 6 - everything 
+ * 6 - everything
  *
  * These debug levels can be set using the environment variable
  * SANE_DEBUG_SANEI_PP
@@ -156,7 +156,7 @@ static unsigned long pp_thresh  = 0;
 #if (defined (HAVE_IOPERM) || defined (HAVE_LIBIEEE1284)) && !defined (IO_SUPPORT_MISSING)
 
 typedef struct {
-	
+
 #ifndef HAVE_LIBIEEE1284
 	const char name[6];
 	u_long     base;        /**< i/o base address                */
@@ -166,7 +166,7 @@ typedef struct {
 
 	u_int in_use;           /**< port in use?      */
 	u_int claimed;          /**< port claimed?     */
-	
+
 	int caps;               /**< port capabilities */
 
 } PortRec, *Port;
@@ -181,8 +181,8 @@ static PortRec              port[_MAX_PORTS];
 /** redefine the CAPability flags */
 enum ieee1284_capabilities
 {
-	CAP1284_RAW    = (1<<0), 
-	CAP1284_NIBBLE = (1<<1), /* SPP mode             */ 
+	CAP1284_RAW    = (1<<0),
+	CAP1284_NIBBLE = (1<<1), /* SPP mode             */
 	CAP1284_BYTE   = (1<<2), /* PS/2 bidirectional   */
 	CAP1284_COMPAT = (1<<3),
 	CAP1284_BECP   = (1<<4),
@@ -315,12 +315,12 @@ pp_showcaps( int caps )
 	char ct[1024];
 
     ct[0] = '\0';
-	
+
 	if( caps & CAP1284_NIBBLE ) {
 		strcat( ct, "SPP " );
 		mode |= SANEI_PP_MODE_SPP;
 	}
-		
+
 	if( caps & CAP1284_BYTE ) {
 		strcat( ct, "PS/2 " );
 		mode |= SANEI_PP_MODE_BIDI;
@@ -330,7 +330,7 @@ pp_showcaps( int caps )
 		strcat( ct, "EPP " );
 		mode |= SANEI_PP_MODE_EPP;
 	}
-	
+
 	if( caps &  CAP1284_EPPSWE ) {
 		strcat( ct, "EPPSWE " );
 		mode |= SANEI_PP_MODE_EPP;
@@ -357,13 +357,13 @@ pp_showcaps( int caps )
 static int
 pp_probe( int fd )
 {
-#ifdef HAVE_IOPL 
+#ifdef HAVE_IOPL
 	SANE_Byte c;
 	int       i, j;
 #endif
 	SANE_Byte a, b;
 	int       retv = 0;
-    
+
 	DBG( 4, "pp_probe: port 0x%04lx\n", port[fd].base );
 
 	/* SPP check */
@@ -383,7 +383,7 @@ pp_probe( int fd )
 #ifdef HAVE_IOPL
 
 	/* clear at most 1k of data from FIFO */
-	for( i = 1024; i > 0; i-- ) { 
+	for( i = 1024; i > 0; i-- ) {
 		a = inbyte402( fd );
 		if ((a & 0x03) == 0x03)
 			goto no_ecp;
@@ -428,7 +428,7 @@ pp_probe( int fd )
     	DBG( 4, "pp_probe: ECP with a %i byte FIFO present\n", i );
 		retv += CAP1284_ECP;
     }
-    
+
 no_ecp:
 #endif
 	/* check for PS/2 compatible port */
@@ -522,7 +522,7 @@ static int pp_set_scpmode( int fd )
 {
 	SANE_Byte tmp;
 	DBG( 4, "pp_set_scpmode\n" );
-	
+
 #ifdef HAVE_IOPL
 	tmp  = inbyte402( fd );
 	tmp &= 0x1f;
@@ -531,7 +531,7 @@ static int pp_set_scpmode( int fd )
 	tmp  = inb_ctrl( fd );
 	tmp &= 0x0f;
 	outb_ctrl ( fd, tmp );
-	
+
 	return SANE_STATUS_GOOD;
 }
 
@@ -547,7 +547,7 @@ static int pp_set_bidimode( int fd )
 	tmp = inb_ctrl( fd );
 	tmp = (tmp & 0x0f) | 0x20;
 	outb_ctrl ( fd, tmp );
-	
+
 	return SANE_STATUS_GOOD;
 }
 
@@ -563,7 +563,7 @@ static int pp_set_eppmode( int fd )
 	tmp = inb_ctrl( fd );
 	tmp = (tmp & 0xf0) | 0x40;
 	outb_ctrl ( fd, tmp );
-	
+
 	return SANE_STATUS_GOOD;
 }
 
@@ -572,7 +572,7 @@ static int pp_set_ecpmode( int fd )
 #ifdef HAVE_IOPL
 	SANE_Byte tmp;
 #endif
-	
+
 	DBG( 4, "pp_set_ecpmode\n" );
 #ifdef HAVE_IOPL
 	tmp = inbyte402( fd );
@@ -594,7 +594,7 @@ pp_setmode( int fd, int mode )
 		DBG( 2, "pp_setmode: mode not supported %d\n", mode );
 		return SANE_STATUS_UNSUPPORTED;
 	}
-	
+
 	switch( mode ) {
 		case SANEI_PP_MODE_SPP:  ret = pp_set_scpmode( fd );  break;
 		case SANEI_PP_MODE_BIDI: ret = pp_set_bidimode( fd ); break;
@@ -715,13 +715,13 @@ pp_init( void )
 	}
 
 	DBG( 3, "pp_init: %d ports reported by IEEE 1284 library\n", pplist.portc);
-  
+
 	for( i = 0; i < pplist.portc; i++ )
 		DBG( 6, "pp_init: port %d is `%s`\n", i, pplist.portv[i]->name);
 
 	/* we support only up to _MAX_PORTS... */
 	if( pplist.portc > _MAX_PORTS ) {
-		DBG (1, "pp_init: Lib IEEE 1284 reports too much ports: %d\n", 
+		DBG (1, "pp_init: Lib IEEE 1284 reports too much ports: %d\n",
 		        pplist.portc );
 
 		ieee1284_free_ports( &pplist );
@@ -759,7 +759,7 @@ pp_open( const char *dev, SANE_Status * status )
 #else
 	int result;
 #endif
-  
+
 	DBG( 4, "pp_open: trying to attach dev `%s`\n", dev );
 
 #if !defined (HAVE_LIBIEEE1284)
@@ -853,7 +853,7 @@ pp_open( const char *dev, SANE_Status * status )
 	/* TODO: insert FreeBSD compatible code here */
 
 	if( ioperm( port[i].base, 5, 1 )) {
-		DBG( 1, "pp_open: cannot get io privilege for port 0x%03lx\n", 
+		DBG( 1, "pp_open: cannot get io privilege for port 0x%03lx\n",
 				port[i].base);
 
 		port[i].in_use = SANE_FALSE;
@@ -867,7 +867,7 @@ pp_open( const char *dev, SANE_Status * status )
 	port[i].ecp_ctrl = inbyte402(i);
 	port[i].ctrl     = inb_ctrl(i);
 #endif
-	
+
 	/* check the capabilities of this port */
 	port[i].caps = pp_probe( i );
 #endif
@@ -908,7 +908,7 @@ pp_close( int fd, SANE_Status *status )
 	if( ioperm( port[fd].base, 5, 0 )) {
 #endif
 #if defined(HAVE_LIBIEEE1284)
-		DBG( 1, "pp_close: can't free port '%s' (%s)\n", 
+		DBG( 1, "pp_close: can't free port '%s' (%s)\n",
 				pplist.portv[fd]->name, pp_libieee1284_errorstr(result));
 #else
 		DBG( 1, "pp_close: can't free port 0x%03lx\n", port[fd].base );
@@ -930,7 +930,7 @@ SANE_Status
 sanei_pp_init( void )
 {
 	SANE_Status result;
-	
+
 	DBG_INIT();
 
 	result = pp_init();
@@ -1008,7 +1008,7 @@ sanei_pp_claim( int fd )
 		DBG( 2, "sanei_pp_claim: fd %d is invalid\n", fd );
 		return SANE_STATUS_INVAL;
 	}
-	
+
 	result = ieee1284_claim (pplist.portv[fd]);
 	if (result) {
 		DBG (1, "sanei_pp_claim: failed (%s)\n",
@@ -1018,7 +1018,7 @@ sanei_pp_claim( int fd )
 #endif
 
 	port[fd].claimed = SANE_TRUE;
-	
+
 	return SANE_STATUS_GOOD;
 }
 
@@ -1032,11 +1032,11 @@ sanei_pp_release( int fd )
 		DBG( 2, "sanei_pp_release: fd %d is invalid\n", fd );
 		return SANE_STATUS_INVAL;
 	}
-		
+
 	ieee1284_release( pplist.portv[fd] );
 #endif
 	port[fd].claimed = SANE_FALSE;
-	
+
 	return SANE_STATUS_GOOD;
 }
 
@@ -1121,7 +1121,7 @@ sanei_pp_inb_data( int fd )
 {
 #ifdef _PARANOIA
 	DBG( 4, "sanei_pp_inb_data: called for fd %d\n", fd );
-	
+
 #if defined(HAVE_LIBIEEE1284)
 	if ((fd < 0) || (fd >= pplist.portc)) {
 #else
@@ -1139,7 +1139,7 @@ sanei_pp_inb_stat( int fd )
 {
 #ifdef _PARANOIA
 	DBG( 4, "sanei_pp_inb_stat: called for fd %d\n", fd );
-	
+
 #if defined(HAVE_LIBIEEE1284)
 	if ((fd < 0) || (fd >= pplist.portc)) {
 #else
@@ -1174,7 +1174,7 @@ sanei_pp_inb_epp( int fd )
 {
 #ifdef _PARANOIA
 	DBG( 4, "sanei_pp_inb_epp: called for fd %d\n", fd );
-	
+
 #if defined(HAVE_LIBIEEE1284)
 	if ((fd < 0) || (fd >= pplist.portc)) {
 #else
@@ -1224,7 +1224,7 @@ sanei_pp_setmode( int fd, int mode )
 		DBG( 2, "sanei_pp_setmode: invalid mode %d\n", mode );
 		return SANE_STATUS_INVAL;
 	}
-	
+
 #if defined(HAVE_LIBIEEE1284)
 	switch( mode ) {
 		case SANEI_PP_MODE_SPP:  mode = M1284_NIBBLE; break;
@@ -1267,7 +1267,7 @@ sanei_pp_udelay( unsigned long usec )
 
 	if( usec < pp_thresh )
 		return;
-	
+
 	do {
 		gettimeofday( &now, NULL );
 	} while ((now.tv_sec < deadline.tv_sec) ||
diff --git a/sanei/sanei_pv8630.c b/sanei/sanei_pv8630.c
index 848558e..c9bafce 100644
--- a/sanei/sanei_pv8630.c
+++ b/sanei/sanei_pv8630.c
@@ -5,7 +5,7 @@
    Copyright (C) 2001 Marcio Teixeira
 
    This file is part of the SANE package.
- 
+
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of the
diff --git a/sanei/sanei_scsi.c b/sanei/sanei_scsi.c
index 2413d8f..ca3dbb0 100644
--- a/sanei/sanei_scsi.c
+++ b/sanei/sanei_scsi.c
@@ -252,11 +252,11 @@ static int unit_ready (int fd);
 #endif
 
 #if USE == SYSVR4_INTERFACE
-# define MAX_DATA 56*1024	/* don't increase or kernel will dump 
-				 * tested with adsl, adsa and umax backend 
-				 * it depends on the lowend scsi 
-				 * drivers . But the most restriction 
-				 * is in the UNIXWARE KERNEL witch do 
+# define MAX_DATA 56*1024	/* don't increase or kernel will dump
+				 * tested with adsl, adsa and umax backend
+				 * it depends on the lowend scsi
+				 * drivers . But the most restriction
+				 * is in the UNIXWARE KERNEL witch do
 				 * not allow more then 64kB DMA transfers */
 static char lastrcmd[16];	/* hold command block of last read command */
 #endif
@@ -875,7 +875,7 @@ sanei_scsi_open (const char *dev, int *fdp,
   int fd, i;
 #if USE == LINUX_INTERFACE
   static int first_time = 1;
-#elif USE == MACOSX_INTERFACE  
+#elif USE == MACOSX_INTERFACE
   UInt8 *guid;
   int len;
   u_int d;
@@ -909,7 +909,7 @@ sanei_scsi_open (const char *dev, int *fdp,
          With newer versions of the SG driver, check the available buffer
          size by opening all SG device files belonging to a scanner,
          issue the ioctl calls for setting and reading the reserved
-         buffer size, and take the smallest value. 
+         buffer size, and take the smallest value.
 
          For older version of the SG driver, which don't support variable
          buffer size, try to read /proc/sys/kernel/sg-big-biff ; if
@@ -958,7 +958,7 @@ sanei_scsi_open (const char *dev, int *fdp,
 
     if (sscanf (dev, "b%dt%dl%d", &bus, &target, &lun) != 3)
       {
-	DBG (1, "sanei_scsi_open: device name `%s� is not valid: %s\n",
+	DBG (1, "sanei_scsi_open: device name `%s´ is not valid: %s\n",
 	     dev, strerror (errno));
 	return SANE_STATUS_INVAL;
       }
@@ -1149,7 +1149,7 @@ sanei_scsi_open (const char *dev, int *fdp,
 	}
       else
 	{
-	  DBG (1, "sanei_scsi_open: can't open device `%s�: %s\n", dev,
+	  DBG (1, "sanei_scsi_open: can't open device `%s´: %s\n", dev,
 	       strerror (errno));
 	  return SANE_STATUS_INVAL;
 	}
@@ -1163,7 +1163,7 @@ sanei_scsi_open (const char *dev, int *fdp,
     if (4 !=
 	sscanf (dev, "/dev/passthru0:%d,%d,%d,%d", &bus, &cnt, &id, &lun))
       {
-	DBG (1, "sanei_scsi_open: device name `%s� is not valid: %s\n",
+	DBG (1, "sanei_scsi_open: device name `%s´ is not valid: %s\n",
 	     dev, strerror (errno));
 	return SANE_STATUS_INVAL;
       }
@@ -1222,21 +1222,21 @@ sanei_scsi_open (const char *dev, int *fdp,
   {
 	  char scsi_hca_name[20];
 	  u_int hca = 0;
- 
+
 	  if (sscanf (dev, "h%ub%ut%ul%u", &hca, &bus, &target, &lun) != 4)
 		  {
 			  DBG (1, "sanei_scsi_open: device name %s is not valid\n", dev);
 			  return SANE_STATUS_INVAL;
 		  }
- 
+
 	  snprintf(scsi_hca_name, 19, "\\\\.\\Scsi%d:", hca);
 	  scsi_hca_name[19] = 0;
-	  
+
 	  fd = CreateFile(scsi_hca_name, GENERIC_READ | GENERIC_WRITE,
 					  FILE_SHARE_READ | FILE_SHARE_WRITE,
 					  NULL, OPEN_EXISTING,
 					  FILE_FLAG_RANDOM_ACCESS, NULL );
-	  
+
 	  if (fd == INVALID_HANDLE_VALUE) fd = -1;
   }
 #else
@@ -1420,7 +1420,7 @@ sanei_scsi_open (const char *dev, int *fdp,
     else
       {
 	/* we have a really old SG driver version, or we're not opening
-	   an SG device file 
+	   an SG device file
 	 */
 	if (ioctl (fd, SG_GET_TIMEOUT, &ioctl_val) < 0)
 	  {
@@ -2436,8 +2436,8 @@ issue (struct req *req)
 		  }
 
 #if 0
-		/* Sometimes the Linux SCSI system reports bogus resid values. 
-		   Observed with lk 2.4.5, 2.4.13, aic7xxx and sym53c8xx drivers, 
+		/* Sometimes the Linux SCSI system reports bogus resid values.
+		   Observed with lk 2.4.5, 2.4.13, aic7xxx and sym53c8xx drivers,
 		   if command queueing is used. So we better issue only a warning
 		 */
 		if (status == SANE_STATUS_GOOD)
@@ -2601,7 +2601,7 @@ issue (struct req *req)
   }
 
   static int			/* Returns 1 if match with 'name' set, else 0 */
-   
+
     lx_scan_sg (int exclude_devnum, char *name, size_t name_len,
 		int host, int channel, int id, int lun)
   {
@@ -2636,7 +2636,7 @@ issue (struct req *req)
   }
 
   static int			/* Returns 1 if match, else 0 */
-   
+
     lx_chk_devicename (int guess_devnum, char *name, size_t name_len,
 		       int host, int channel, int id, int lun)
   {
@@ -2945,8 +2945,7 @@ sanei_scsi_find_devices (const char *findvendor, const char *findmodel,
     char *me = "sanei_scsi_find_devices";
     char path[PATH_MAX];
     char dev_name[128];
-    struct dirent buf;
-    struct dirent *de;
+    struct dirent *buf;
     DIR *scsidevs;
     FILE *fp;
     char *ptr;
@@ -2987,8 +2986,9 @@ sanei_scsi_find_devices (const char *findvendor, const char *findmodel,
     number = -1;
     for (;;)
       {
-	ret = readdir_r(scsidevs, &buf, &de);
-	if (ret != 0)
+	errno = 0;
+	buf = readdir (scsidevs);
+	if (errno != 0)
 	  {
 	    DBG (1, "%s: could not read directory %s: %s\n",
 		 me, SYSFS_SCSI_DEVICES, strerror(errno));
@@ -2996,14 +2996,14 @@ sanei_scsi_find_devices (const char *findvendor, const char *findmodel,
 	    break;
 	  }
 
-	if (de == NULL)
+	if (buf == NULL)
 	  break;
 
-	if (buf.d_name[0] == '.')
+	if (buf->d_name[0] == '.')
 	  continue;
 
 	/* Extract bus, channel, id, lun from directory name b:c:i:l */
-	ptr = buf.d_name;
+	ptr = buf->d_name;
 	for (i = 0; i < 4; i++)
 	  {
 	    errno = 0;
@@ -3028,7 +3028,7 @@ sanei_scsi_find_devices (const char *findvendor, const char *findmodel,
 
 	    if (*end && (*end != ':'))
 	      {
-		DBG (1, "%s: parse error on string %s (%d)\n", me, buf.d_name, i);
+		DBG (1, "%s: parse error on string %s (%d)\n", me, buf->d_name, i);
 
 		i = 12; /* Skip */
 		break;
@@ -3036,7 +3036,7 @@ sanei_scsi_find_devices (const char *findvendor, const char *findmodel,
 
 	    if (val > INT_MAX)
 	      {
-		DBG (1, "%s: integer value too large (%s)\n", me, buf.d_name);
+		DBG (1, "%s: integer value too large (%s)\n", me, buf->d_name);
 
 		i = 12; /* Skip */
 		break;
@@ -3059,11 +3059,11 @@ sanei_scsi_find_devices (const char *findvendor, const char *findmodel,
 	for (i = 0; i < 3; i++)
 	  {
 	    ret = snprintf (path, PATH_MAX, "%s/%s/%s",
-			   SYSFS_SCSI_DEVICES, buf.d_name, vmtfiles[i]);
+			   SYSFS_SCSI_DEVICES, buf->d_name, vmtfiles[i]);
 	    if ((ret < 0) || (ret >= PATH_MAX))
 	      {
 		DBG (1, "%s: skipping %s/%s, PATH_MAX exceeded on %s\n",
-		     me, SYSFS_SCSI_DEVICES, buf.d_name, vmtfiles[i]);
+		     me, SYSFS_SCSI_DEVICES, buf->d_name, vmtfiles[i]);
 
 		i = 12; /* Skip */
 		break;
@@ -3179,7 +3179,7 @@ sanei_scsi_find_devices (const char *findvendor, const char *findmodel,
     scsireq_t hdr;
     int result;
 
-/* xxx obsolete: 
+/* xxx obsolete:
   cdb_size = CDB_SIZE (*(u_char *) src);
 */
 
@@ -3201,7 +3201,7 @@ sanei_scsi_find_devices (const char *findvendor, const char *findmodel,
 	/* The old variant:
 	   hdr.databuf = (char *) src + cdb_size;
 	   hdr.datalen = src_size;
-	   xxxxxx huh? Shouldn�t the above line have been src_size - cdb_size)
+	   xxxxxx huh? Shouldn´t the above line have been src_size - cdb_size)
 	 */
 	hdr.databuf = (char *) src;
 	hdr.datalen = src_size;
@@ -5013,7 +5013,7 @@ sanei_scsi_find_devices (const char *findvendor, const char *findmodel,
 #if USE == WIN32_INTERFACE
 
 SANE_Status
-sanei_scsi_cmd2 (int fd, 
+sanei_scsi_cmd2 (int fd,
                 const void *cmd, size_t cmd_size,
                 const void *src, size_t src_size,
 		void *dst, size_t * dst_size)
@@ -5049,8 +5049,8 @@ sanei_scsi_cmd2 (int fd,
         pkt.sptd.DataBuffer         = src;
     }
   else {
-       pkt.sptd.DataIn = SCSI_IOCTL_DATA_UNSPECIFIED; 
-  }	
+       pkt.sptd.DataIn = SCSI_IOCTL_DATA_UNSPECIFIED;
+  }
 
   pkt.sptd.TimeOutValue       = sane_scsicmd_timeout;
 
@@ -5081,7 +5081,7 @@ sanei_scsi_cmd2 (int fd,
       else {
 	 return SANE_STATUS_IO_ERROR;
       }
-   } 
+   }
    else if (pkt.sptd.ScsiStatus != 0) {
       DBG (1, "sanei_scsi_cmd2: ScsiStatus is %d\n",
 	    pkt.sptd.ScsiStatus);
@@ -5152,14 +5152,14 @@ sanei_scsi_find_devices (const char *findvendor, const char *findmodel,
 
 	adapter = (PSCSI_ADAPTER_BUS_INFO)buffer;
 
-	for(i = 0; i < adapter->NumberOfBuses; i++) {	
+	for(i = 0; i < adapter->NumberOfBuses; i++) {
 
 		if (adapter->BusData[i].InquiryDataOffset == 0) {
 			/* No device here */
 			continue;
 		}
 
-		inquiry = (PSCSI_INQUIRY_DATA) (buffer + 
+		inquiry = (PSCSI_INQUIRY_DATA) (buffer +
                                    adapter->BusData[i].InquiryDataOffset);
 
 		while(1) {
diff --git a/sanei/sanei_thread.c b/sanei/sanei_thread.c
index fcf52c1..f701423 100644
--- a/sanei/sanei_thread.c
+++ b/sanei/sanei_thread.c
@@ -115,20 +115,22 @@ sanei_thread_is_forked( void )
 
 /* Use this to mark a SANE_Pid as invaild instead of marking with -1.
  */
+#ifdef USE_PTHREAD
 static void
 sanei_thread_set_invalid( SANE_Pid *pid )
 {
 
 #ifdef WIN32
 #ifdef WINPTHREAD_API
-	*pid = 0;
+	*pid = (pthread_t) 0;
 #else
 	pid->p = 0;
 #endif
 #else
-	*pid = -1;
+	*pid = (pthread_t) -1;
 #endif
 }
+#endif
 
 /* Return if PID is a valid PID or not. */
 SANE_Bool
@@ -162,12 +164,12 @@ sanei_thread_pid_to_long( SANE_Pid pid )
 
 #ifdef WIN32
 #ifdef WINPTHREAD_API
-	rc = pid;
+	rc = (long) pid;
 #else
 	rc = pid.p;
 #endif
 #else
-	rc = pid;
+	rc = (long) pid;
 #endif
 
 	return rc;
@@ -225,7 +227,7 @@ sanei_thread_begin( int (*func)(void *args), void* args )
 		DBG( 1, "_beginthread() failed\n" );
 		return -1;
 	}
-   
+
 	DBG( 2, "_beginthread() created thread %d\n", pid );
 	return pid;
 }
@@ -282,7 +284,7 @@ sanei_thread_begin( int (*func)(void *args), void* args )
 		DBG( 1, "resume_thread() failed\n" );
 		return -1;
 	}
-   
+
 	DBG( 2, "spawn_thread() created thread %d\n", pid );
 	return pid;
 }
@@ -374,7 +376,7 @@ restore_sigpipe( void )
 			sigemptyset( &act.sa_mask );
 			act.sa_flags   = 0;
 			act.sa_handler = SIG_DFL;
-			
+
 			DBG( 2, "restoring SIGPIPE to SIG_DFL\n" );
 			sigaction( SIGPIPE, &act, NULL );
 		}
@@ -443,7 +445,7 @@ sanei_thread_begin( int (func)(void *args), void* args )
 	}
 	else
 		DBG( 2, "pthread_create() created thread %ld\n",
-		     (SANE_Pid)thread );
+		     sanei_thread_pid_to_long(thread) );
 
 	return (SANE_Pid)thread;
 #else
@@ -458,7 +460,7 @@ sanei_thread_begin( int (func)(void *args), void* args )
 
     	/* run in child context... */
 		int status = func( args );
-		
+
 		/* don't use exit() since that would run the atexit() handlers */
 		_exit( status );
 	}
@@ -511,10 +513,11 @@ sanei_thread_waitpid( SANE_Pid pid, int *status )
 	}
 	if ( EDEADLK == rc ) {
 		if ( (pthread_t)pid != pthread_self() ) {
-			/* call detach in any case to make sure that the thread resources 
+			/* call detach in any case to make sure that the thread resources
 			 * will be freed, when the thread has terminated
 			 */
-			DBG(2, "* detaching thread(%ld)\n", pid );
+			DBG(2, "* detaching thread(%ld)\n",
+			    sanei_thread_pid_to_long(pid) );
 			pthread_detach((pthread_t)pid);
 		}
 	}
diff --git a/sanei/sanei_udp.c b/sanei/sanei_udp.c
index ab316ea..b5bb8cc 100644
--- a/sanei/sanei_udp.c
+++ b/sanei/sanei_udp.c
@@ -229,4 +229,3 @@ sanei_udp_recvfrom(int fd, u_char * buf, int count, char **fromp)
 
 	return l;
 }
-
diff --git a/sanei/sanei_usb.c b/sanei/sanei_usb.c
index e4b23dc..6fd6040 100644
--- a/sanei/sanei_usb.c
+++ b/sanei/sanei_usb.c
@@ -1262,6 +1262,77 @@ sanei_usb_set_endpoint (SANE_Int dn, SANE_Int ep_type, SANE_Int ep)
     }
 }
 
+#if HAVE_LIBUSB_LEGACY || HAVE_LIBUSB || HAVE_USBCALLS
+static const char* sanei_usb_transfer_type_desc(SANE_Int transfer_type)
+{
+  switch (transfer_type)
+    {
+      case USB_ENDPOINT_TYPE_INTERRUPT: return "interrupt";
+      case USB_ENDPOINT_TYPE_BULK: return "bulk";
+      case USB_ENDPOINT_TYPE_ISOCHRONOUS: return "isochronous";
+      case USB_ENDPOINT_TYPE_CONTROL: return "control";
+    }
+  return NULL;
+}
+
+// Similar sanei_usb_set_endpoint, but ignors duplicate endpoints
+static void sanei_usb_add_endpoint(device_list_type* device,
+                                   SANE_Int transfer_type,
+                                   SANE_Int ep_address,
+                                   SANE_Int ep_direction)
+{
+  DBG(5, "%s: direction: %d, address: %d, transfer_type: %d\n",
+      __func__, ep_direction, ep_address, transfer_type);
+
+  SANE_Int* ep_in = NULL;
+  SANE_Int* ep_out = NULL;
+  const char* transfer_type_msg = sanei_usb_transfer_type_desc(transfer_type);
+
+  switch (transfer_type)
+    {
+      case USB_ENDPOINT_TYPE_INTERRUPT:
+        ep_in = &device->int_in_ep;
+        ep_out = &device->int_out_ep;
+        break;
+      case USB_ENDPOINT_TYPE_BULK:
+        ep_in = &device->bulk_in_ep;
+        ep_out = &device->bulk_out_ep;
+        break;
+      case USB_ENDPOINT_TYPE_ISOCHRONOUS:
+        ep_in = &device->iso_in_ep;
+        ep_out = &device->iso_out_ep;
+        break;
+      case USB_ENDPOINT_TYPE_CONTROL:
+        ep_in = &device->control_in_ep;
+        ep_out = &device->control_out_ep;
+        break;
+    }
+
+  DBG(5, "%s: found %s-%s endpoint (address 0x%02x)\n",
+      __func__, transfer_type_msg, ep_direction ? "in" : "out",
+      ep_address);
+
+  if (ep_direction) // in
+    {
+      if (*ep_in)
+        DBG(3, "%s: we already have a %s-in endpoint "
+             "(address: 0x%02x), ignoring the new one\n",
+            __func__, transfer_type_msg, *ep_in);
+      else
+        *ep_in = ep_address;
+    }
+  else
+    {
+      if (*ep_out)
+        DBG(3, "%s: we already have a %s-out endpoint "
+             "(address: 0x%02x), ignoring the new one\n",
+            __func__, transfer_type_msg, *ep_out);
+      else
+        *ep_out = ep_address;
+    }
+}
+#endif // HAVE_LIBUSB_LEGACY || HAVE_LIBUSB || HAVE_USBCALLS
+
 SANE_Int
 sanei_usb_get_endpoint (SANE_Int dn, SANE_Int ep_type)
 {
@@ -1460,132 +1531,12 @@ sanei_usb_open (SANE_String_Const devname, SANE_Int * dn)
 		      DBG (5, "sanei_usb_open: endpoint nr: %d\n", num);
 		      transfer_type =
 			endpoint->bmAttributes & USB_ENDPOINT_TYPE_MASK;
-		      address =
-			endpoint->
-			bEndpointAddress & USB_ENDPOINT_ADDRESS_MASK;
 		      direction =
 			endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK;
 
-		      DBG (5, "sanei_usb_open: direction: %d\n", direction);
-
-		      DBG (5,
-			   "sanei_usb_open: address: %d transfertype: %d\n",
-			   address, transfer_type);
-
-
-		      /* save the endpoints we need later */
-		      if (transfer_type == USB_ENDPOINT_TYPE_INTERRUPT)
-			{
-			  DBG (5,
-			       "sanei_usb_open: found interrupt-%s endpoint (address 0x%02x)\n",
-			       direction ? "in" : "out", address);
-			  if (direction)	/* in */
-			    {
-			      if (devices[devcount].int_in_ep)
-				DBG (3,
-				     "sanei_usb_open: we already have a int-in endpoint "
-				     "(address: 0x%02x), ignoring the new one\n",
-				     devices[devcount].int_in_ep);
-			      else
-				devices[devcount].int_in_ep =
-				  endpoint->bEndpointAddress;
-			    }
-			  else
-			    {
-			      if (devices[devcount].int_out_ep)
-				DBG (3,
-				     "sanei_usb_open: we already have a int-out endpoint "
-				     "(address: 0x%02x), ignoring the new one\n",
-				     devices[devcount].int_out_ep);
-			      else
-				devices[devcount].int_out_ep =
-				  endpoint->bEndpointAddress;
-			    }
-			}
-		      else if (transfer_type == USB_ENDPOINT_TYPE_BULK)
-			{
-			  DBG (5,
-			       "sanei_usb_open: found bulk-%s endpoint (address 0x%02x)\n",
-			       direction ? "in" : "out", address);
-			  if (direction)	/* in */
-			    {
-			      if (devices[devcount].bulk_in_ep)
-				DBG (3,
-				     "sanei_usb_open: we already have a bulk-in endpoint "
-				     "(address: 0x%02x), ignoring the new one\n",
-				     devices[devcount].bulk_in_ep);
-			      else
-				devices[devcount].bulk_in_ep =
-				  endpoint->bEndpointAddress;
-			    }
-			  else
-			    {
-			      if (devices[devcount].bulk_out_ep)
-				DBG (3,
-				     "sanei_usb_open: we already have a bulk-out endpoint "
-				     "(address: 0x%02x), ignoring the new one\n",
-				     devices[devcount].bulk_out_ep);
-			      else
-				devices[devcount].bulk_out_ep =
-				  endpoint->bEndpointAddress;
-			    }
-			}
-		      else if (transfer_type == USB_ENDPOINT_TYPE_ISOCHRONOUS)
-			{
-			  DBG (5,
-			       "sanei_usb_open: found isochronous-%s endpoint (address 0x%02x)\n",
-			       direction ? "in" : "out", address);
-			  if (direction)	/* in */
-			    {
-			      if (devices[devcount].iso_in_ep)
-				DBG (3,
-				     "sanei_usb_open: we already have a isochronous-in endpoint "
-				     "(address: 0x%02x), ignoring the new one\n",
-				     devices[devcount].iso_in_ep);
-			      else
-				devices[devcount].iso_in_ep =
-				  endpoint->bEndpointAddress;
-			    }
-			  else
-			    {
-			      if (devices[devcount].iso_out_ep)
-				DBG (3,
-				     "sanei_usb_open: we already have a isochronous-out endpoint "
-				     "(address: 0x%02x), ignoring the new one\n",
-				     devices[devcount].iso_out_ep);
-			      else
-				devices[devcount].iso_out_ep =
-				  endpoint->bEndpointAddress;
-			    }
-			}
-		      else if (transfer_type == USB_ENDPOINT_TYPE_CONTROL)
-			{
-			  DBG (5,
-			       "sanei_usb_open: found control-%s endpoint (address 0x%02x)\n",
-			       direction ? "in" : "out", address);
-			  if (direction)	/* in */
-			    {
-			      if (devices[devcount].control_in_ep)
-				DBG (3,
-				     "sanei_usb_open: we already have a control-in endpoint "
-				     "(address: 0x%02x), ignoring the new one\n",
-				     devices[devcount].control_in_ep);
-			      else
-				devices[devcount].control_in_ep =
-				  endpoint->bEndpointAddress;
-			    }
-			  else
-			    {
-			      if (devices[devcount].control_out_ep)
-				DBG (3,
-				     "sanei_usb_open: we already have a control-out endpoint "
-				     "(address: 0x%02x), ignoring the new one\n",
-				     devices[devcount].control_out_ep);
-			      else
-				devices[devcount].control_out_ep =
-				  endpoint->bEndpointAddress;
-			    }
-			}
+                      sanei_usb_add_endpoint(&devices[devcount], transfer_type,
+                                             endpoint->bEndpointAddress,
+                                             direction);
 		    }
 		}
 	    }
@@ -1769,124 +1720,39 @@ sanei_usb_open (SANE_String_Const devname, SANE_Int * dn)
 		  for (num = 0; num < interface->bNumEndpoints; num++)
 		    {
 		      const struct libusb_endpoint_descriptor *endpoint;
-		      int address, direction, transfer_type;
+                      int direction, transfer_type, transfer_type_libusb;
 
 		      endpoint = &interface->endpoint[num];
 		      DBG (5, "sanei_usb_open: endpoint nr: %d\n", num);
 
-		      transfer_type = endpoint->bmAttributes & LIBUSB_TRANSFER_TYPE_MASK;
-		      address = endpoint->bEndpointAddress & LIBUSB_ENDPOINT_ADDRESS_MASK;
+                      transfer_type_libusb =
+                          endpoint->bmAttributes & LIBUSB_TRANSFER_TYPE_MASK;
 		      direction = endpoint->bEndpointAddress & LIBUSB_ENDPOINT_DIR_MASK;
 
-		      DBG (5, "sanei_usb_open: direction: %d\n", direction);
-		      DBG (5, "sanei_usb_open: address: %d transfertype: %d\n",
-			   address, transfer_type);
-
-		      /* save the endpoints we need later */
-		      if (transfer_type == LIBUSB_TRANSFER_TYPE_INTERRUPT)
-			{
-			  DBG (5,
-			       "sanei_usb_open: found interrupt-%s endpoint (address 0x%02x)\n",
-			       direction ? "in" : "out", address);
-			  if (direction)	/* in */
-			    {
-			      if (devices[devcount].int_in_ep)
-				DBG (3,
-				     "sanei_usb_open: we already have a int-in endpoint "
-				     "(address: 0x%02x), ignoring the new one\n",
-				     devices[devcount].int_in_ep);
-			      else
-				devices[devcount].int_in_ep = endpoint->bEndpointAddress;
-			    }
-			  else
-			    {
-			      if (devices[devcount].int_out_ep)
-				DBG (3,
-				     "sanei_usb_open: we already have a int-out endpoint "
-				     "(address: 0x%02x), ignoring the new one\n",
-				     devices[devcount].int_out_ep);
-			      else
-				devices[devcount].int_out_ep = endpoint->bEndpointAddress;
-			    }
-			}
-		      else if (transfer_type == LIBUSB_TRANSFER_TYPE_BULK)
-			{
-			  DBG (5,
-			       "sanei_usb_open: found bulk-%s endpoint (address 0x%02x)\n",
-			       direction ? "in" : "out", address);
-			  if (direction)	/* in */
-			    {
-			      if (devices[devcount].bulk_in_ep)
-				DBG (3,
-				     "sanei_usb_open: we already have a bulk-in endpoint "
-				     "(address: 0x%02x), ignoring the new one\n",
-				     devices[devcount].bulk_in_ep);
-			      else
-				devices[devcount].bulk_in_ep = endpoint->bEndpointAddress;
-			    }
-			  else
-			    {
-			      if (devices[devcount].bulk_out_ep)
-				DBG (3,
-				     "sanei_usb_open: we already have a bulk-out endpoint "
-				     "(address: 0x%02x), ignoring the new one\n",
-				     devices[devcount].bulk_out_ep);
-			      else
-				devices[devcount].bulk_out_ep = endpoint->bEndpointAddress;
-			    }
-			}
-		      else if (transfer_type == LIBUSB_TRANSFER_TYPE_ISOCHRONOUS)
-			{
-			  DBG (5,
-			       "sanei_usb_open: found isochronous-%s endpoint (address 0x%02x)\n",
-			       direction ? "in" : "out", address);
-			  if (direction)	/* in */
-			    {
-			      if (devices[devcount].iso_in_ep)
-				DBG (3,
-				     "sanei_usb_open: we already have a isochronous-in endpoint "
-				     "(address: 0x%02x), ignoring the new one\n",
-				     devices[devcount].iso_in_ep);
-			      else
-				devices[devcount].iso_in_ep = endpoint->bEndpointAddress;
-			    }
-			  else
-			    {
-			      if (devices[devcount].iso_out_ep)
-				DBG (3,
-				     "sanei_usb_open: we already have a isochronous-out endpoint "
-				     "(address: 0x%02x), ignoring the new one\n",
-				     devices[devcount].iso_out_ep);
-			      else
-				devices[devcount].iso_out_ep = endpoint->bEndpointAddress;
-			    }
-			}
-		      else if (transfer_type == LIBUSB_TRANSFER_TYPE_CONTROL)
-			{
-			  DBG (5,
-			       "sanei_usb_open: found control-%s endpoint (address 0x%02x)\n",
-			       direction ? "in" : "out", address);
-			  if (direction)	/* in */
-			    {
-			      if (devices[devcount].control_in_ep)
-				DBG (3,
-				     "sanei_usb_open: we already have a control-in endpoint "
-				     "(address: 0x%02x), ignoring the new one\n",
-				     devices[devcount].control_in_ep);
-			      else
-				devices[devcount].control_in_ep = endpoint->bEndpointAddress;
-			    }
-			  else
-			    {
-			      if (devices[devcount].control_out_ep)
-				DBG (3,
-				     "sanei_usb_open: we already have a control-out endpoint "
-				     "(address: 0x%02x), ignoring the new one\n",
-				     devices[devcount].control_out_ep);
-			      else
-				devices[devcount].control_out_ep = endpoint->bEndpointAddress;
-			    }
-			}
+                      // don't rely on LIBUSB_TRANSFER_TYPE_* mapping to
+                      // USB_ENDPOINT_TYPE_* even though they'll most likely be
+                      // the same
+                      switch (transfer_type_libusb)
+                        {
+                          case LIBUSB_TRANSFER_TYPE_INTERRUPT:
+                            transfer_type = USB_ENDPOINT_TYPE_INTERRUPT;
+                            break;
+                          case LIBUSB_TRANSFER_TYPE_BULK:
+                            transfer_type = USB_ENDPOINT_TYPE_BULK;
+                            break;
+                          case LIBUSB_TRANSFER_TYPE_ISOCHRONOUS:
+                            transfer_type = LIBUSB_TRANSFER_TYPE_ISOCHRONOUS;
+                            break;
+                          case LIBUSB_TRANSFER_TYPE_CONTROL:
+                            transfer_type = USB_ENDPOINT_TYPE_CONTROL;
+                            break;
+
+                        }
+
+                      sanei_usb_add_endpoint(&devices[devcount],
+                                             transfer_type,
+                                             endpoint->bEndpointAddress,
+                                             direction);
 		    }
 		}
 	    }
@@ -2016,62 +1882,21 @@ sanei_usb_open (SANE_String_Const devname, SANE_Int * dn)
               break;
             case USB_DT_ENDPOINT:
 	      endpoint = (struct usb_endpoint_descriptor*)pDescHead;
-              address = endpoint->bEndpointAddress;
 	      direction = endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK;
 	      transfer_type = endpoint->bmAttributes & USB_ENDPOINT_TYPE_MASK;
-	      /* save the endpoints we need later */
-	      if (transfer_type == USB_ENDPOINT_TYPE_INTERRUPT)
-	      {
-   	       DBG (5, "sanei_usb_open: found interupt-%s endpoint (address %2x)\n",
-  	            direction ? "in" : "out", address);
-	       if (direction)	/* in */
-	       {
-	         if (devices[devcount].int_in_ep)
-		   DBG (3, "sanei_usb_open: we already have a int-in endpoint "
-		        "(address: %d), ignoring the new one\n",
-		        devices[devcount].int_in_ep);
-	         else
-		   devices[devcount].int_in_ep = endpoint->bEndpointAddress;
-	       }
-	       else
-	         if (devices[devcount].int_out_ep)
-		   DBG (3, "sanei_usb_open: we already have a int-out endpoint "
-		        "(address: %d), ignoring the new one\n",
-		        devices[devcount].int_out_ep);
-	         else
-		   devices[devcount].int_out_ep = endpoint->bEndpointAddress;
-	     }
-	     else if (transfer_type == USB_ENDPOINT_TYPE_BULK)
-	     {
-	       DBG (5, "sanei_usb_open: found bulk-%s endpoint (address %2x)\n",
-	            direction ? "in" : "out", address);
-	       if (direction)	/* in */
-	         {
-		   if (devices[devcount].bulk_in_ep)
-		     DBG (3, "sanei_usb_open: we already have a bulk-in endpoint "
-		          "(address: %d), ignoring the new one\n",
-		          devices[devcount].bulk_in_ep);
-		   else
-		     devices[devcount].bulk_in_ep = endpoint->bEndpointAddress;
-	         }
-	       else
-	         {
-	           if (devices[devcount].bulk_out_ep)
-		     DBG (3, "sanei_usb_open: we already have a bulk-out endpoint "
-		          "(address: %d), ignoring the new one\n",
-		          devices[devcount].bulk_out_ep);
-	           else
-		     devices[devcount].bulk_out_ep = endpoint->bEndpointAddress;
-	         }
-	       }
+
+              if (transfer_type == USB_ENDPOINT_TYPE_INTERRUPT ||
+                  transfer_type == USB_ENDPOINT_TYPE_BULK)
+                {
+                  sanei_usb_add_endpoint(&devices[devcount], transfer_type,
+                                         endpoint->bEndpointAddress, direction);
+                }
 	     /* ignore currently unsupported endpoints */
 	     else {
 	         DBG (5, "sanei_usb_open: ignoring %s-%s endpoint "
 		      "(address: %d)\n",
-		      transfer_type == USB_ENDPOINT_TYPE_CONTROL ? "control" :
-		      transfer_type == USB_ENDPOINT_TYPE_ISOCHRONOUS
-		      ? "isochronous" : "interrupt",
-		      direction ? "in" : "out", address);
+                      sanei_usb_transfer_type_desc(transfer_type),
+                      direction ? "in" : "out", address);
 	         continue;
 	          }
           break;
@@ -2344,8 +2169,8 @@ sanei_usb_read_bulk (SANE_Int dn, SANE_Byte * buffer, size_t * size)
 
 	  if (ret < 0)
 	    {
-	      DBG (1, "sanei_usb_read_bulk: read failed: %s\n",
-		   sanei_libusb_strerror (ret));
+              DBG (1, "sanei_usb_read_bulk: read failed (still got %d bytes): %s\n",
+                   rsize, sanei_libusb_strerror (ret));
 
 	      read_size = -1;
 	    }
@@ -2372,9 +2197,10 @@ sanei_usb_read_bulk (SANE_Int dn, SANE_Byte * buffer, size_t * size)
 #ifdef HAVE_USBCALLS
     int rc;
     char* buffer_ptr = (char*) buffer;
-    while (*size)
+    size_t requested_size = *size;
+    while (requested_size)
     {
-      ULONG ulToRead = (*size>MAX_RW)?MAX_RW:*size;
+      ULONG ulToRead = (requested_size>MAX_RW)?MAX_RW:requested_size;
       ULONG ulNum = ulToRead;
       DBG (5, "Entered usbcalls UsbBulkRead with dn = %d\n",dn);
       DBG (5, "Entered usbcalls UsbBulkRead with dh = %p\n",dh);
@@ -2392,7 +2218,7 @@ sanei_usb_read_bulk (SANE_Int dn, SANE_Byte * buffer, size_t * size)
           return SANE_STATUS_INVAL;
       }
       if (rc || (ulNum!=ulToRead)) return SANE_STATUS_INVAL;
-      *size -=ulToRead;
+      requested_size -=ulToRead;
       buffer_ptr += ulToRead;
       read_size += ulToRead;
     }
@@ -2529,11 +2355,12 @@ sanei_usb_write_bulk (SANE_Int dn, const SANE_Byte * buffer, size_t * size)
     DBG (5, "Entered usbcalls UsbBulkWrite with bulk_out_ep = 0x%02x\n",devices[dn].bulk_out_ep);
     DBG (5, "Entered usbcalls UsbBulkWrite with interface_nr = %d\n",devices[dn].interface_nr);
     DBG (5, "Entered usbcalls UsbBulkWrite with usbcalls_timeout = %d\n",usbcalls_timeout);
-    while (*size)
+    size_t requested_size = *size;
+    while (requested_size)
     {
-      ULONG ulToWrite = (*size>MAX_RW)?MAX_RW:*size;
+      ULONG ulToWrite = (requested_size>MAX_RW)?MAX_RW:requested_size;
 
-      DBG (5, "size requested to write = %lu, ulToWrite = %lu\n",(unsigned long) *size,ulToWrite);
+      DBG (5, "size requested to write = %lu, ulToWrite = %lu\n",(unsigned long) requested_size,ulToWrite);
       if (devices[dn].bulk_out_ep){
         rc = UsbBulkWrite (dh, devices[dn].bulk_out_ep, devices[dn].interface_nr,
                                ulToWrite, (char*) buffer, usbcalls_timeout);
@@ -2545,10 +2372,10 @@ sanei_usb_write_bulk (SANE_Int dn, const SANE_Byte * buffer, size_t * size)
           return SANE_STATUS_INVAL;
       }
       if (rc) return SANE_STATUS_INVAL;
-      *size -=ulToWrite;
+      requested_size -=ulToWrite;
       buffer += ulToWrite;
       write_size += ulToWrite;
-      DBG (5, "size = %d, write_size = %d\n",*size, write_size);
+      DBG (5, "size = %d, write_size = %d\n", requested_size, write_size);
     }
 #else /* not HAVE_USBCALLS */
     {
@@ -2619,7 +2446,6 @@ sanei_usb_control_msg (SANE_Int dn, SANE_Int rtype, SANE_Int req,
 	}
       if ((rtype & 0x80) && debug_level > 10)
 	print_buffer (data, len);
-      return SANE_STATUS_GOOD;
 #elif defined(__BEOS__)
       struct usb_scanner_ioctl_ctrlmsg c;
 
@@ -2638,8 +2464,6 @@ sanei_usb_control_msg (SANE_Int dn, SANE_Int rtype, SANE_Int req,
 	}
 	if ((rtype & 0x80) && debug_level > 10)
 		print_buffer (data, len);
-
-	return SANE_STATUS_GOOD;
 #else /* not __linux__ */
       DBG (5, "sanei_usb_control_msg: not supported on this OS\n");
       return SANE_STATUS_UNSUPPORTED;
@@ -2661,7 +2485,6 @@ sanei_usb_control_msg (SANE_Int dn, SANE_Int rtype, SANE_Int req,
 	}
       if ((rtype & 0x80) && debug_level > 10)
 	print_buffer (data, len);
-      return SANE_STATUS_GOOD;
     }
 #elif defined(HAVE_LIBUSB)
     {
@@ -2678,7 +2501,6 @@ sanei_usb_control_msg (SANE_Int dn, SANE_Int rtype, SANE_Int req,
 	}
       if ((rtype & 0x80) && debug_level > 10)
 	print_buffer (data, len);
-      return SANE_STATUS_GOOD;
     }
 #else /* not HAVE_LIBUSB_LEGACY && not HAVE_LIBUSB*/
     {
@@ -2702,7 +2524,6 @@ sanei_usb_control_msg (SANE_Int dn, SANE_Int rtype, SANE_Int req,
 	}
       if ((rtype & 0x80) && debug_level > 10)
 	print_buffer (data, len);
-      return SANE_STATUS_GOOD;
 #else /* not HAVE_USBCALLS */
     {
       DBG (1, "sanei_usb_control_msg: usbcalls support missing\n");
@@ -2716,6 +2537,7 @@ sanei_usb_control_msg (SANE_Int dn, SANE_Int rtype, SANE_Int req,
 	   devices[dn].method);
       return SANE_STATUS_UNSUPPORTED;
     }
+  return SANE_STATUS_GOOD;
 }
 
 SANE_Status
@@ -3160,7 +2982,6 @@ sanei_usb_get_descriptor( SANE_Int dn,
 	  desc->dev_sub_class   = usb_descr->bDeviceSubClass;
 	  desc->dev_protocol    = usb_descr->bDeviceProtocol;
 	  desc->max_packet_size = usb_descr->bMaxPacketSize0;
-	  return SANE_STATUS_GOOD;
     }
 #elif defined(HAVE_LIBUSB)
     {
@@ -3185,7 +3006,6 @@ sanei_usb_get_descriptor( SANE_Int dn,
       desc->dev_sub_class   = lu_desc.bDeviceSubClass;
       desc->dev_protocol    = lu_desc.bDeviceProtocol;
       desc->max_packet_size = lu_desc.bMaxPacketSize0;
-      return SANE_STATUS_GOOD;
     }
 #else /* not HAVE_LIBUSB_LEGACY && not HAVE_LIBUSB */
     {
@@ -3193,4 +3013,5 @@ sanei_usb_get_descriptor( SANE_Int dn,
       return SANE_STATUS_UNSUPPORTED;
     }
 #endif /* not HAVE_LIBUSB_LEGACY && not HAVE_LIBUSB */
+  return SANE_STATUS_GOOD;
 }
diff --git a/sanei/sanei_wire.c b/sanei/sanei_wire.c
index a43cc2e..32cd1a0 100644
--- a/sanei/sanei_wire.c
+++ b/sanei/sanei_wire.c
@@ -67,7 +67,7 @@ sanei_w_space (Wire * w, size_t howmuch)
 
   if (w->status != 0)
     {
-      DBG (1, "sanei_w_space: wire is in invalid state %d\n", 
+      DBG (1, "sanei_w_space: wire is in invalid state %d\n",
 	   w->status);
       return;
     }
@@ -81,7 +81,7 @@ sanei_w_space (Wire * w, size_t howmuch)
 	case WIRE_ENCODE:
 	  nbytes = w->buffer.curr - w->buffer.start;
 	  w->buffer.curr = w->buffer.start;
-	  DBG (4, "sanei_w_space: ENCODE: sending %lu bytes\n", 
+	  DBG (4, "sanei_w_space: ENCODE: sending %lu bytes\n",
 	       (u_long) nbytes);
 	  while (nbytes > 0)
 	    {
@@ -184,7 +184,7 @@ sanei_w_array (Wire * w, SANE_Word * len_ptr, void **v,
       else
 	DBG (1, "sanei_w_array: FREE: tried to free array but *len_ptr or *v "
 	     "was NULL\n");
-	
+
       DBG (4, "sanei_w_array: FREE: done\n");
       return;
     }
@@ -200,14 +200,14 @@ sanei_w_array (Wire * w, SANE_Word * len_ptr, void **v,
       return;
     }
   DBG (4, "sanei_w_array: array has %d elements\n", len);
-      
+
   if (w->direction == WIRE_DECODE)
     {
       *len_ptr = len;
       if (len)
 	{
-	  if (((unsigned int) len) > MAX_MEM 
-	      || ((unsigned int) len * element_size) > MAX_MEM 
+	  if (((unsigned int) len) > MAX_MEM
+	      || ((unsigned int) len * element_size) > MAX_MEM
 	      || (w->allocated_memory + len * element_size) > MAX_MEM)
 	    {
 	      DBG (0, "sanei_w_array: DECODE: maximum amount of allocated memory "
@@ -291,7 +291,7 @@ sanei_w_ptr (Wire * w, void **v, WireCodecFunc w_value, size_t value_size)
 	    {
 	      DBG (0, "sanei_w_ptr: DECODE: maximum amount of allocated memory "
 		   "exceeded (limit: %u, new allocation: %lu, total: %lu bytes)\n",
-		   MAX_MEM, (unsigned long)value_size, 
+		   MAX_MEM, (unsigned long)value_size,
 			   (unsigned long)(w->allocated_memory + value_size));
 	      w->status = ENOMEM;
 	      return;
@@ -581,8 +581,8 @@ flush (Wire * w)
 void
 sanei_w_set_dir (Wire * w, WireDirection dir)
 {
-  DBG (3, "sanei_w_set_dir: wire %d, old direction WIRE_%s\n", w->io.fd, 
-       w->direction == WIRE_ENCODE ? "ENCODE" : 
+  DBG (3, "sanei_w_set_dir: wire %d, old direction WIRE_%s\n", w->io.fd,
+       w->direction == WIRE_ENCODE ? "ENCODE" :
        (w->direction == WIRE_DECODE ? "DECODE" : "FREE"));
   if (w->direction == WIRE_DECODE && w->buffer.curr != w->buffer.end)
     DBG (1, "sanei_w_set_dir: WARNING: will delete %lu bytes from buffer\n",
@@ -591,8 +591,8 @@ sanei_w_set_dir (Wire * w, WireDirection dir)
   w->direction = dir;
   DBG (4, "sanei_w_set_dir: direction changed\n");
   flush (w);
-  DBG (3, "sanei_w_set_dir: wire %d, new direction WIRE_%s\n", w->io.fd, 
-       dir == WIRE_ENCODE ? "ENCODE" : 
+  DBG (3, "sanei_w_set_dir: wire %d, new direction WIRE_%s\n", w->io.fd,
+       dir == WIRE_ENCODE ? "ENCODE" :
        (dir == WIRE_DECODE ? "DECODE" : "FREE"));
 }
 
@@ -656,13 +656,13 @@ void
 sanei_w_init (Wire * w, void (*codec_init_func) (Wire *))
 {
   DBG_INIT ();
-  
+
   DBG (3, "sanei_w_init: initializing\n");
   w->status = 0;
   w->direction = WIRE_ENCODE;
   w->buffer.size = 8192;
   w->buffer.start = malloc (w->buffer.size);
-  
+
   if (w->buffer.start == 0)
     {
       /* Malloc failed, so return an error. */
author	Jörg Frings-Fürst <debian@jff-webhosting.net>	2019-07-31 17:00:20 +0200
committer	Jörg Frings-Fürst <debian@jff-webhosting.net>	2019-07-31 17:00:20 +0200
commit	3759ce55ba79b8d3b9d8ed247a252273ee7dade3 (patch)
tree	d69692a274dd1c7d0672e6bb7155a0fc106f9d49 /sanei
parent	c8bd2513ecba169cff44c09c8058c36987357b18 (diff)
parent	1687222e1b9e74c89cafbb5910e72d8ec7bfd40f (diff)