Merge commit 'upstream/0.9.3'

1 files changed, 138 insertions, 138 deletions

diff --git a/lib/relocatable.c b/lib/relocatable.c
index 09ff8c9..172e91c 100644
--- a/lib/relocatable.c
+++ b/lib/relocatable.c
@@ -1,5 +1,5 @@
 /* Provide relocatable packages.
-   Copyright (C) 2003-2006, 2008 Free Software Foundation, Inc.
+   Copyright (C) 2003-2006, 2008-2010 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2003.
 
    This program is free software; you can redistribute it and/or modify it
@@ -22,7 +22,7 @@
    This must come before <config.h> because <config.h> may include
    <features.h>, and once <features.h> has been included, it's too late.  */
 #ifndef _GNU_SOURCE
-# define _GNU_SOURCE	1
+# define _GNU_SOURCE 1
 #endif
 
 #include <config.h>
@@ -102,11 +102,11 @@ static size_t curr_prefix_len;
    instead of "/").  */
 static void
 set_this_relocation_prefix (const char *orig_prefix_arg,
-			    const char *curr_prefix_arg)
+                            const char *curr_prefix_arg)
 {
   if (orig_prefix_arg != NULL && curr_prefix_arg != NULL
       /* Optimization: if orig_prefix and curr_prefix are equal, the
-	 relocation is a nop.  */
+         relocation is a nop.  */
       && strcmp (orig_prefix_arg, curr_prefix_arg) != 0)
     {
       /* Duplicate the argument strings.  */
@@ -118,14 +118,14 @@ set_this_relocation_prefix (const char *orig_prefix_arg,
 #ifdef NO_XMALLOC
       if (memory != NULL)
 #endif
-	{
-	  memcpy (memory, orig_prefix_arg, orig_prefix_len + 1);
-	  orig_prefix = memory;
-	  memory += orig_prefix_len + 1;
-	  memcpy (memory, curr_prefix_arg, curr_prefix_len + 1);
-	  curr_prefix = memory;
-	  return;
-	}
+        {
+          memcpy (memory, orig_prefix_arg, orig_prefix_len + 1);
+          orig_prefix = memory;
+          memory += orig_prefix_len + 1;
+          memcpy (memory, curr_prefix_arg, curr_prefix_len + 1);
+          curr_prefix = memory;
+          return;
+        }
     }
   orig_prefix = NULL;
   curr_prefix = NULL;
@@ -168,8 +168,8 @@ static
 #endif
 char *
 compute_curr_prefix (const char *orig_installprefix,
-		     const char *orig_installdir,
-		     const char *curr_pathname)
+                     const char *orig_installdir,
+                     const char *curr_pathname)
 {
   char *curr_installdir;
   const char *rel_installdir;
@@ -194,9 +194,9 @@ compute_curr_prefix (const char *orig_installprefix,
 
     while (p > p_base)
       {
-	p--;
-	if (ISSLASH (*p))
-	  break;
+        p--;
+        if (ISSLASH (*p))
+          break;
       }
 
     q = (char *) xmalloc (p - curr_pathname + 1);
@@ -219,46 +219,46 @@ compute_curr_prefix (const char *orig_installprefix,
 
     while (rp > rel_installdir && cp > cp_base)
       {
-	bool same = false;
-	const char *rpi = rp;
-	const char *cpi = cp;
-
-	while (rpi > rel_installdir && cpi > cp_base)
-	  {
-	    rpi--;
-	    cpi--;
-	    if (ISSLASH (*rpi) || ISSLASH (*cpi))
-	      {
-		if (ISSLASH (*rpi) && ISSLASH (*cpi))
-		  same = true;
-		break;
-	      }
-	    /* Do case-insensitive comparison if the filesystem is always or
-	       often case-insensitive.  It's better to accept the comparison
-	       if the difference is only in case, rather than to fail.  */
+        bool same = false;
+        const char *rpi = rp;
+        const char *cpi = cp;
+
+        while (rpi > rel_installdir && cpi > cp_base)
+          {
+            rpi--;
+            cpi--;
+            if (ISSLASH (*rpi) || ISSLASH (*cpi))
+              {
+                if (ISSLASH (*rpi) && ISSLASH (*cpi))
+                  same = true;
+                break;
+              }
+            /* Do case-insensitive comparison if the file system is always or
+               often case-insensitive.  It's better to accept the comparison
+               if the difference is only in case, rather than to fail.  */
 #if defined _WIN32 || defined __WIN32__ || defined __CYGWIN__ || defined __EMX__ || defined __DJGPP__
-	    /* Win32, Cygwin, OS/2, DOS - case insignificant filesystem */
-	    if ((*rpi >= 'a' && *rpi <= 'z' ? *rpi - 'a' + 'A' : *rpi)
-		!= (*cpi >= 'a' && *cpi <= 'z' ? *cpi - 'a' + 'A' : *cpi))
-	      break;
+            /* Win32, Cygwin, OS/2, DOS - case insignificant file system */
+            if ((*rpi >= 'a' && *rpi <= 'z' ? *rpi - 'a' + 'A' : *rpi)
+                != (*cpi >= 'a' && *cpi <= 'z' ? *cpi - 'a' + 'A' : *cpi))
+              break;
 #else
-	    if (*rpi != *cpi)
-	      break;
+            if (*rpi != *cpi)
+              break;
 #endif
-	  }
-	if (!same)
-	  break;
-	/* The last pathname component was the same.  opi and cpi now point
-	   to the slash before it.  */
-	rp = rpi;
-	cp = cpi;
+          }
+        if (!same)
+          break;
+        /* The last pathname component was the same.  opi and cpi now point
+           to the slash before it.  */
+        rp = rpi;
+        cp = cpi;
       }
 
     if (rp > rel_installdir)
       {
-	/* Unexpected: The curr_installdir does not end with rel_installdir.  */
-	free (curr_installdir);
-	return NULL;
+        /* Unexpected: The curr_installdir does not end with rel_installdir.  */
+        free (curr_installdir);
+        return NULL;
       }
 
     {
@@ -268,10 +268,10 @@ compute_curr_prefix (const char *orig_installprefix,
       curr_prefix = (char *) xmalloc (curr_prefix_len + 1);
 #ifdef NO_XMALLOC
       if (curr_prefix == NULL)
-	{
-	  free (curr_installdir);
-	  return NULL;
-	}
+        {
+          free (curr_installdir);
+          return NULL;
+        }
 #endif
       memcpy (curr_prefix, curr_installdir, curr_prefix_len);
       curr_prefix[curr_prefix_len] = '\0';
@@ -305,30 +305,30 @@ DllMain (HINSTANCE module_handle, DWORD event, LPVOID reserved)
       static char location[MAX_PATH];
 
       if (!GetModuleFileName (module_handle, location, sizeof (location)))
-	/* Shouldn't happen.  */
-	return FALSE;
+        /* Shouldn't happen.  */
+        return FALSE;
 
       if (!IS_PATH_WITH_DIR (location))
-	/* Shouldn't happen.  */
-	return FALSE;
+        /* Shouldn't happen.  */
+        return FALSE;
 
       {
 #if defined __CYGWIN__
-	/* On Cygwin, we need to convert paths coming from Win32 system calls
-	   to the Unix-like slashified notation.  */
-	static char location_as_posix_path[2 * MAX_PATH];
-	/* There's no error return defined for cygwin_conv_to_posix_path.
-	   See cygwin-api/func-cygwin-conv-to-posix-path.html.
-	   Does it overflow the buffer of expected size MAX_PATH or does it
-	   truncate the path?  I don't know.  Let's catch both.  */
-	cygwin_conv_to_posix_path (location, location_as_posix_path);
-	location_as_posix_path[MAX_PATH - 1] = '\0';
-	if (strlen (location_as_posix_path) >= MAX_PATH - 1)
-	  /* A sign of buffer overflow or path truncation.  */
-	  return FALSE;
-	shared_library_fullname = strdup (location_as_posix_path);
+        /* On Cygwin, we need to convert paths coming from Win32 system calls
+           to the Unix-like slashified notation.  */
+        static char location_as_posix_path[2 * MAX_PATH];
+        /* There's no error return defined for cygwin_conv_to_posix_path.
+           See cygwin-api/func-cygwin-conv-to-posix-path.html.
+           Does it overflow the buffer of expected size MAX_PATH or does it
+           truncate the path?  I don't know.  Let's catch both.  */
+        cygwin_conv_to_posix_path (location, location_as_posix_path);
+        location_as_posix_path[MAX_PATH - 1] = '\0';
+        if (strlen (location_as_posix_path) >= MAX_PATH - 1)
+          /* A sign of buffer overflow or path truncation.  */
+          return FALSE;
+        shared_library_fullname = strdup (location_as_posix_path);
 #else
-	shared_library_fullname = strdup (location);
+        shared_library_fullname = strdup (location);
 #endif
       }
     }
@@ -351,37 +351,37 @@ find_shared_library_fullname ()
     {
       unsigned long address = (unsigned long) &find_shared_library_fullname;
       for (;;)
-	{
-	  unsigned long start, end;
-	  int c;
-
-	  if (fscanf (fp, "%lx-%lx", &start, &end) != 2)
-	    break;
-	  if (address >= start && address <= end - 1)
-	    {
-	      /* Found it.  Now see if this line contains a filename.  */
-	      while (c = getc (fp), c != EOF && c != '\n' && c != '/')
-		continue;
-	      if (c == '/')
-		{
-		  size_t size;
-		  int len;
-
-		  ungetc (c, fp);
-		  shared_library_fullname = NULL; size = 0;
-		  len = getline (&shared_library_fullname, &size, fp);
-		  if (len >= 0)
-		    {
-		      /* Success: filled shared_library_fullname.  */
-		      if (len > 0 && shared_library_fullname[len - 1] == '\n')
-			shared_library_fullname[len - 1] = '\0';
-		    }
-		}
-	      break;
-	    }
-	  while (c = getc (fp), c != EOF && c != '\n')
-	    continue;
-	}
+        {
+          unsigned long start, end;
+          int c;
+
+          if (fscanf (fp, "%lx-%lx", &start, &end) != 2)
+            break;
+          if (address >= start && address <= end - 1)
+            {
+              /* Found it.  Now see if this line contains a filename.  */
+              while (c = getc (fp), c != EOF && c != '\n' && c != '/')
+                continue;
+              if (c == '/')
+                {
+                  size_t size;
+                  int len;
+
+                  ungetc (c, fp);
+                  shared_library_fullname = NULL; size = 0;
+                  len = getline (&shared_library_fullname, &size, fp);
+                  if (len >= 0)
+                    {
+                      /* Success: filled shared_library_fullname.  */
+                      if (len > 0 && shared_library_fullname[len - 1] == '\n')
+                        shared_library_fullname[len - 1] = '\0';
+                    }
+                }
+              break;
+            }
+          while (c = getc (fp), c != EOF && c != '\n')
+            continue;
+        }
       fclose (fp);
     }
 #endif
@@ -422,69 +422,69 @@ relocate (const char *pathname)
   if (!initialized)
     {
       /* At this point, orig_prefix and curr_prefix likely have already been
-	 set through the main program's set_program_name_and_installdir
-	 function.  This is sufficient in the case that the library has
-	 initially been installed in the same orig_prefix.  But we can do
-	 better, to also cover the cases that 1. it has been installed
-	 in a different prefix before being moved to orig_prefix and (later)
-	 to curr_prefix, 2. unlike the program, it has not moved away from
-	 orig_prefix.  */
+         set through the main program's set_program_name_and_installdir
+         function.  This is sufficient in the case that the library has
+         initially been installed in the same orig_prefix.  But we can do
+         better, to also cover the cases that 1. it has been installed
+         in a different prefix before being moved to orig_prefix and (later)
+         to curr_prefix, 2. unlike the program, it has not moved away from
+         orig_prefix.  */
       const char *orig_installprefix = INSTALLPREFIX;
       const char *orig_installdir = INSTALLDIR;
       char *curr_prefix_better;
 
       curr_prefix_better =
-	compute_curr_prefix (orig_installprefix, orig_installdir,
-			     get_shared_library_fullname ());
+        compute_curr_prefix (orig_installprefix, orig_installdir,
+                             get_shared_library_fullname ());
 
       set_relocation_prefix (orig_installprefix,
-			     curr_prefix_better != NULL
-			     ? curr_prefix_better
-			     : curr_prefix);
+                             curr_prefix_better != NULL
+                             ? curr_prefix_better
+                             : curr_prefix);
 
       if (curr_prefix_better != NULL)
-	free (curr_prefix_better);
+        free (curr_prefix_better);
 
       initialized = 1;
     }
 #endif
 
   /* Note: It is not necessary to perform case insensitive comparison here,
-     even for DOS-like filesystems, because the pathname argument was
+     even for DOS-like file systems, because the pathname argument was
      typically created from the same Makefile variable as orig_prefix came
      from.  */
   if (orig_prefix != NULL && curr_prefix != NULL
       && strncmp (pathname, orig_prefix, orig_prefix_len) == 0)
     {
       if (pathname[orig_prefix_len] == '\0')
-	{
-	  /* pathname equals orig_prefix.  */
-	  char *result = (char *) xmalloc (strlen (curr_prefix) + 1);
+        {
+          /* pathname equals orig_prefix.  */
+          char *result = (char *) xmalloc (strlen (curr_prefix) + 1);
 
 #ifdef NO_XMALLOC
-	  if (result != NULL)
+          if (result != NULL)
 #endif
-	    {
-	      strcpy (result, curr_prefix);
-	      return result;
-	    }
-	}
+            {
+              strcpy (result, curr_prefix);
+              return result;
+            }
+        }
       else if (ISSLASH (pathname[orig_prefix_len]))
-	{
-	  /* pathname starts with orig_prefix.  */
-	  const char *pathname_tail = &pathname[orig_prefix_len];
-	  char *result =
-	    (char *) xmalloc (curr_prefix_len + strlen (pathname_tail) + 1);
+        {
+          /* pathname starts with orig_prefix.  */
+          const char *pathname_tail = &pathname[orig_prefix_len];
+          char *result =
+            (char *) xmalloc (curr_prefix_len + strlen (pathname_tail) + 1);
 
 #ifdef NO_XMALLOC
-	  if (result != NULL)
+          if (result != NULL)
 #endif
-	    {
-	      memcpy (result, curr_prefix, curr_prefix_len);
-	      strcpy (result + curr_prefix_len, pathname_tail);
-	      return result;
-	    }
-	}
+            {
+              memcpy (result, curr_prefix, curr_prefix_len);
+              strcpy (result + curr_prefix_len, pathname_tail);
+              return result;
+            }
+        }
     }
   /* Nothing to relocate.  */
   return pathname;