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Diffstat (limited to 'frontend/scanimage.c')
-rw-r--r--frontend/scanimage.c163
1 files changed, 95 insertions, 68 deletions
diff --git a/frontend/scanimage.c b/frontend/scanimage.c
index d41c849..b1d2481 100644
--- a/frontend/scanimage.c
+++ b/frontend/scanimage.c
@@ -76,6 +76,7 @@ Image;
#define OPTION_BATCH_DOUBLE 1005
#define OPTION_BATCH_INCREMENT 1006
#define OPTION_BATCH_PROMPT 1007
+#define OPTION_BATCH_PRINT 1008
#define BATCH_COUNT_UNLIMITED -1
@@ -95,6 +96,7 @@ static struct option basic_options[] = {
{"batch-start", required_argument, NULL, OPTION_BATCH_START_AT},
{"batch-double", no_argument, NULL, OPTION_BATCH_DOUBLE},
{"batch-increment", required_argument, NULL, OPTION_BATCH_INCREMENT},
+ {"batch-print", no_argument, NULL, OPTION_BATCH_PRINT},
{"batch-prompt", no_argument, NULL, OPTION_BATCH_PROMPT},
{"format", required_argument, NULL, OPTION_FORMAT},
{"accept-md5-only", no_argument, NULL, OPTION_MD5},
@@ -152,6 +154,7 @@ auth_callback (SANE_String_Const resource,
int md5mode = 0, len, query_user = 1;
FILE *pass_file;
struct stat stat_buf;
+ char * uname = NULL;
*tmp = 0;
@@ -250,7 +253,7 @@ auth_callback (SANE_String_Const resource,
md5mode = 1;
len = (strstr (resource, "$MD5$") - resource);
if (query_user == 1)
- fprintf (stderr, "Authentification required for resource %*.*s. "
+ fprintf (stderr, "Authentication required for resource %*.*s. "
"Enter username: ", len, len, resource);
}
else
@@ -270,14 +273,14 @@ auth_callback (SANE_String_Const resource,
if (query_user == 1)
fprintf (stderr,
- "Authentification required for resource %s. Enter username: ",
+ "Authentication required for resource %s. Enter username: ",
resource);
}
if (query_user == 1)
- fgets (username, SANE_MAX_USERNAME_LEN, stdin);
+ uname = fgets (username, SANE_MAX_USERNAME_LEN, stdin);
- if ((strlen (username)) && (username[strlen (username) - 1] == '\n'))
+ if (uname != NULL && (strlen (username)) && (username[strlen (username) - 1] == '\n'))
username[strlen (username) - 1] = 0;
if (query_user == 1)
@@ -1125,7 +1128,7 @@ process_backend_option (SANE_Handle device, int optnum, const char *optarg)
}
static void
-write_pnm_header (SANE_Frame format, int width, int height, int depth)
+write_pnm_header (SANE_Frame format, int width, int height, int depth, FILE *ofp)
{
/* The netpbm-package does not define raw image data with maxval > 255. */
/* But writing maxval 65535 for 16bit data gives at least a chance */
@@ -1136,20 +1139,20 @@ write_pnm_header (SANE_Frame format, int width, int height, int depth)
case SANE_FRAME_GREEN:
case SANE_FRAME_BLUE:
case SANE_FRAME_RGB:
- printf ("P6\n# SANE data follows\n%d %d\n%d\n", width, height,
+ fprintf (ofp, "P6\n# SANE data follows\n%d %d\n%d\n", width, height,
(depth <= 8) ? 255 : 65535);
break;
default:
if (depth == 1)
- printf ("P4\n# SANE data follows\n%d %d\n", width, height);
+ fprintf (ofp, "P4\n# SANE data follows\n%d %d\n", width, height);
else
- printf ("P5\n# SANE data follows\n%d %d\n%d\n", width, height,
+ fprintf (ofp, "P5\n# SANE data follows\n%d %d\n%d\n", width, height,
(depth <= 8) ? 255 : 65535);
break;
}
#ifdef __EMX__ /* OS2 - write in binary mode. */
- _fsetmode (stdout, "b");
+ _fsetmode (ofp, "b");
#endif
}
@@ -1184,7 +1187,7 @@ advance (Image * image)
}
static SANE_Status
-scan_it (void)
+scan_it (FILE *ofp)
{
int i, len, first_frame = 1, offset = 0, must_buffer = 0, hundred_percent;
SANE_Byte min = 0xff, max = 0;
@@ -1274,10 +1277,10 @@ scan_it (void)
sanei_write_tiff_header (parm.format,
parm.pixels_per_line, parm.lines,
parm.depth, resolution_value,
- icc_profile);
+ icc_profile, ofp);
else
write_pnm_header (parm.format, parm.pixels_per_line,
- parm.lines, parm.depth);
+ parm.lines, parm.depth, ofp);
}
break;
@@ -1398,7 +1401,7 @@ scan_it (void)
else /* ! must_buffer */
{
if ((output_format == OUTPUT_TIFF) || (parm.depth != 16))
- fwrite (buffer, 1, len, stdout);
+ fwrite (buffer, 1, len, ofp);
else
{
#if !defined(WORDS_BIGENDIAN)
@@ -1409,7 +1412,7 @@ scan_it (void)
{
if (len > 0)
{
- fwrite (buffer, 1, 1, stdout);
+ fwrite (buffer, 1, 1, ofp);
buffer[0] = (SANE_Byte) hang_over;
hang_over = -1;
start = 1;
@@ -1430,7 +1433,7 @@ scan_it (void)
len--;
}
#endif
- fwrite (buffer, 1, len, stdout);
+ fwrite (buffer, 1, len, ofp);
}
}
@@ -1454,10 +1457,10 @@ scan_it (void)
if (output_format == OUTPUT_TIFF)
sanei_write_tiff_header (parm.format, parm.pixels_per_line,
image.height, parm.depth, resolution_value,
- icc_profile);
+ icc_profile, ofp);
else
write_pnm_header (parm.format, parm.pixels_per_line,
- image.height, parm.depth);
+ image.height, parm.depth, ofp);
#if !defined(WORDS_BIGENDIAN)
/* multibyte pnm file may need byte swap to LE */
@@ -1475,11 +1478,11 @@ scan_it (void)
}
#endif
- fwrite (image.data, 1, image.height * image.width, stdout);
+ fwrite (image.data, 1, image.height * image.width, ofp);
}
/* flush the output buffer */
- fflush( stdout );
+ fflush( ofp );
cleanup:
if (image.data)
@@ -1708,6 +1711,7 @@ main (int argc, char **argv)
char readbuf[2];
char *readbuf2;
int batch = 0;
+ int batch_print = 0;
int batch_prompt = 0;
int batch_count = BATCH_COUNT_UNLIMITED;
int batch_start_at = 1;
@@ -1715,6 +1719,7 @@ main (int argc, char **argv)
SANE_Status status;
char *full_optstring;
SANE_Int version_code;
+ FILE *ofp = NULL;
atexit (scanimage_exit);
@@ -1776,6 +1781,9 @@ main (int argc, char **argv)
case 'n':
dont_scan = 1;
break;
+ case OPTION_BATCH_PRINT:
+ batch_print = 1;
+ break;
case OPTION_BATCH_PROMPT:
batch_prompt = 1;
break;
@@ -1826,23 +1834,16 @@ main (int argc, char **argv)
else
{
int i = 0, int_arg = 0;
- char *percent, *start, *fmt;
+ const char *percent, *start;
const char *text_arg = 0;
- char cc, ftype;
-
- fmt = malloc (strlen (optarg) + 1);
- if (fmt == 0)
- {
- fprintf (stderr, "%s: not enough memory\n", prog_name);
- exit (1);
- }
+ char ftype;
for (i = 0; device_list[i]; ++i)
{
- strcpy (fmt, optarg);
- start = fmt;
+ start = optarg;
while (*start && (percent = strchr (start, '%')))
{
+ int start_len = percent - start;
percent++;
if (*percent)
{
@@ -1850,19 +1851,19 @@ main (int argc, char **argv)
{
case 'd':
text_arg = device_list[i]->name;
- ftype = *percent = 's';
+ ftype = 's';
break;
case 'v':
text_arg = device_list[i]->vendor;
- ftype = *percent = 's';
+ ftype = 's';
break;
case 'm':
text_arg = device_list[i]->model;
- ftype = *percent = 's';
+ ftype = 's';
break;
case 't':
text_arg = device_list[i]->type;
- ftype = *percent = 's';
+ ftype = 's';
break;
case 'i':
int_arg = i;
@@ -1870,45 +1871,40 @@ main (int argc, char **argv)
break;
case 'n':
text_arg = "\n";
- ftype = *percent = 's';
+ ftype = 's';
break;
case '%':
- ftype = 0;
+ text_arg = "%";
+ ftype = 's';
break;
default:
fprintf (stderr,
"%s: unknown format specifier %%%c\n",
prog_name, *percent);
- *percent = '%';
- ftype = 0;
+ text_arg = "%";
+ ftype = 's';
}
- percent++;
- cc = *percent;
- *percent = 0;
+ printf ("%.*s", start_len, start);
switch (ftype)
{
case 's':
- printf (start, text_arg);
+ printf ("%s", text_arg);
break;
case 'i':
- printf (start, int_arg);
- break;
- case 0:
- printf (start);
+ printf ("%i", int_arg);
break;
}
- *percent = cc;
- start = percent;
+ start = percent + 1;
}
else
{
- /* last char of the string is a '%', suppress it */
- *start = 0;
+ /* last char of the string is a '%', ignore it */
+ start++;
break;
}
}
if (*start)
- printf (start);
+ printf ("%s", start);
}
}
if (i == 0 && ch != 'f')
@@ -1961,16 +1957,18 @@ Parameters are separated by a blank from single-character options (e.g.\n\
--batch-increment=# increase page number in filename by #\n\
--batch-double increment page number by two, same as\n\
--batch-increment=2\n\
- --batch-prompt ask for pressing a key before scanning a page\n\
- --accept-md5-only only accept authorization requests using md5\n");
+ --batch-print print image filenames to stdout\n\
+ --batch-prompt ask for pressing a key before scanning a page\n");
printf ("\
+ --accept-md5-only only accept authorization requests using md5\n\
-p, --progress print progress messages\n\
-n, --dont-scan only set options, don't actually scan\n\
-T, --test test backend thoroughly\n\
-A, --all-options list all available backend options\n\
-h, --help display this help message and exit\n\
-v, --verbose give even more status messages\n\
--B, --buffer-size=# change input buffer size (in kB, default 32)\n\
+-B, --buffer-size=# change input buffer size (in kB, default 32)\n");
+ printf ("\
-V, --version print version information\n");
}
@@ -2237,12 +2235,15 @@ List of available devices:", prog_name);
format = "out%d.pnm";
}
+ if (!batch)
+ ofp = stdout;
+
if (batch)
fprintf (stderr,
"Scanning %d pages, incrementing by %d, numbering from %d\n",
batch_count, batch_increment, batch_start_at);
- else if(isatty(fileno(stdout))){
+ else if(isatty(fileno(ofp))){
fprintf (stderr,"%s: output is not a file, exiting\n", prog_name);
exit (1);
}
@@ -2275,7 +2276,11 @@ List of available devices:", prog_name);
{
fprintf (stderr, "Batch terminated, %d pages scanned\n",
(n - batch_increment));
- fclose (stdout);
+ if (ofp)
+ {
+ fclose (ofp);
+ ofp = NULL;
+ }
break; /* get out of this loop */
}
}
@@ -2295,19 +2300,27 @@ List of available devices:", prog_name);
{
fprintf (stderr, "%s: sane_start: %s\n",
prog_name, sane_strstatus (status));
- fclose (stdout);
+ if (ofp)
+ {
+ fclose (ofp);
+ ofp = NULL;
+ }
break;
}
+
/* write to .part file while scanning is in progress */
- if (batch && NULL == freopen (part_path, "w", stdout))
+ if (batch)
{
- fprintf (stderr, "cannot open %s\n", part_path);
- sane_cancel (device);
- return SANE_STATUS_ACCESS_DENIED;
+ if (NULL == (ofp = fopen (part_path, "w")))
+ {
+ fprintf (stderr, "cannot open %s\n", part_path);
+ sane_cancel (device);
+ return SANE_STATUS_ACCESS_DENIED;
+ }
}
- status = scan_it ();
+ status = scan_it (ofp);
if (batch)
{
fprintf (stderr, "Scanned page %d.", n);
@@ -2320,17 +2333,16 @@ List of available devices:", prog_name);
case SANE_STATUS_EOF:
status = SANE_STATUS_GOOD;
if (batch)
- {
- /* close output file by redirecting, do not close
- stdout here! */
- if (NULL == freopen ("/dev/null", "w", stdout))
+ {
+ if (!ofp || 0 != fclose(ofp))
{
- fprintf (stderr, "cannot open /dev/null\n");
+ fprintf (stderr, "cannot close image file\n");
sane_cancel (device);
return SANE_STATUS_ACCESS_DENIED;
}
else
{
+ ofp = NULL;
/* let the fully scanned file show up */
if (rename (part_path, path))
{
@@ -2339,13 +2351,22 @@ List of available devices:", prog_name);
sane_cancel (device);
return SANE_STATUS_ACCESS_DENIED;
}
+ if (batch_print)
+ {
+ fprintf (stdout, "%s\n", path);
+ fflush (stdout);
+ }
}
}
break;
default:
if (batch)
{
- fclose (stdout);
+ if (ofp)
+ {
+ fclose (ofp);
+ ofp = NULL;
+ }
unlink (part_path);
}
break;
@@ -2356,6 +2377,12 @@ List of available devices:", prog_name);
&& (batch_count == BATCH_COUNT_UNLIMITED || --batch_count))
&& SANE_STATUS_GOOD == status);
+ if (batch
+ && SANE_STATUS_NO_DOCS == status
+ && (batch_count == BATCH_COUNT_UNLIMITED)
+ && n > batch_start_at)
+ status = SANE_STATUS_GOOD;
+
sane_cancel (device);
}
else
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 10:32:36 +0000