PtbPublic/exifdate
PtbPublic/exifdate
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Issue#1: a command option has been added.

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This commit is contained in:
Alexander Vdolainen 2023-07-01 17:32:28 +03:00
parent 8fd9643875
commit 0caca3fdf5
1 changed files with 13 additions and 4 deletions
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17
src/exifdate.c
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@ -37,8 +37,9 @@
#endif #endif
typedef enum { typedef enum {
EDT_MODIFY = 0, EDT_MODIFY_FO = 0,
EDT_DISPLAY = 1, EDT_DISPLAY = 1,
EDT_MODIFY_ED = 2,
} edt_mode_t; } edt_mode_t;
static void display_help(FILE *o, const char *exec_name) static void display_help(FILE *o, const char *exec_name)
@ -52,6 +53,8 @@ static void display_help(FILE *o, const char *exec_name)
fprintf(o, "\nOptions:\n"); fprintf(o, "\nOptions:\n");
fprintf(o, "\t%-36s Display date and time from exif data only, don't update file creation date.\n", fprintf(o, "\t%-36s Display date and time from exif data only, don't update file creation date.\n",
"-d | --display-date"); "-d | --display-date");
fprintf(o, "\t%-36s Fix/create EXIF creation date based on the file creation date.\n",
"-e | --exif-date-fix");
fprintf(o, "\t%-36s Display help.\n", "-h | --help"); fprintf(o, "\t%-36s Display help.\n", "-h | --help");
fprintf(o, "\t%-36s Display version information.\n\n", "-v | --version"); fprintf(o, "\t%-36s Display version information.\n\n", "-v | --version");
@ -113,7 +116,7 @@ static time_t exifdt_tm(const char *dtbuf)
int main(int argc, char **argv) int main(int argc, char **argv)
{ {
int opt, fargs = 0, i = 0; int opt, fargs = 0, i = 0;
edt_mode_t mode = EDT_MODIFY; edt_mode_t mode = EDT_MODIFY_FO;
char **fn_name = NULL; char **fn_name = NULL;
ExifData *ef; ExifData *ef;
ExifEntry *entry; ExifEntry *entry;
@ -126,18 +129,22 @@ int main(int argc, char **argv)
static struct option long_options[] = static struct option long_options[] =
{ {
{"display-date", no_argument, NULL, 'd'}, {"display-date", no_argument, NULL, 'd'},
{"exif-date-fix", no_argument, NULL, 'e'},
{"help", no_argument, NULL, 'h'}, {"help", no_argument, NULL, 'h'},
{"version", no_argument, NULL, 'v'}, {"version", no_argument, NULL, 'v'},
{NULL, 0, NULL, 0}, {NULL, 0, NULL, 0},
}; };
if((opt = getopt_long(argc, argv, "dhv", long_options, &option_index)) == -1) if((opt = getopt_long(argc, argv, "dehv", long_options, &option_index)) == -1)
break; break;
switch(opt) { switch(opt) {
case 'd': case 'd':
mode = EDT_DISPLAY; mode = EDT_DISPLAY;
break; break;
case 'e':
mode = EDT_MODIFY_ED;
break;
case 'h': case 'h':
display_help(stdout, argv[0]); display_help(stdout, argv[0]);
return 0; return 0;
@ -189,7 +196,7 @@ int main(int argc, char **argv)
case EDT_DISPLAY: case EDT_DISPLAY:
fprintf(stdout, "%s date and time: %s\n",fn_name[i], dtbuf); fprintf(stdout, "%s date and time: %s\n",fn_name[i], dtbuf);
break; break;
case EDT_MODIFY: case EDT_MODIFY_FO:
/* convert exif format to timeval */ /* convert exif format to timeval */
exif_dt = exifdt_tm(dtbuf); exif_dt = exifdt_tm(dtbuf);
if(exif_dt == (time_t) -1) if(exif_dt == (time_t) -1)
@ -200,6 +207,8 @@ int main(int argc, char **argv)
utime(fn_name[i], &ntimes); utime(fn_name[i], &ntimes);
} }
break; break;
case EDT_MODIFY_ED:
break;
} }
} else fprintf(stdout, "%s: No date and time information exists in exif.\n", } else fprintf(stdout, "%s: No date and time information exists in exif.\n",
fn_name[i]); fn_name[i]);