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/* print-libgphoto2-version.c - print libgphoto2 library version
*
* Copyright 2002,2005 Hans Ulrich Niedermann <hun@users.sourceforge.net>
* Portions Copyright 2002 Lutz Mueller <lutz@users.sourceforge.net>
* Portions Copyright 2005 Julien BLACHE <jblache@debian.org>
* Portions Copyright 2020 Hans Ulrich Niedermann <hun@n-dimensional.de>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*
*
* This has been mostly copied from the file
*
* packaging/generic/print-camera-list.c
*
*/
#include <stdio.h>
#include <stdlib.h>
#include "gphoto2/gphoto2-version.h"
/* Not sure whether this is the best possible name */
#define ARGV0 "print-libgphoto2-version"
#define FATAL(msg...) \
do { \
fprintf(stderr, ARGV0 ": Fatal: " msg); \
fprintf(stderr, "\n"); \
exit(13); \
} while (0)
typedef struct {
char *name;
GPVersionFunc version_func;
} module_version;
const module_version module_versions[] = {
{ "libgphoto2", gp_library_version },
{ "libgphoto2_port", gp_port_library_version },
{ NULL, NULL }
};
/* print_version_comment
* Print comment to output containing information on library versions
*
* out the file to write the comment to
* startline printed at the start of each line, e.g. "# " or " | "
* endline printed as the end of each line, e.g. "\n" or "\n"
* firstline printed before first line, e.g. NULL or "<!--+\n"
* lastline printed after last line, e.g. "\n" or " +-->\n"
*/
static void
print_version_comment(FILE *out,
const char *startline, const char *endline,
const char *firstline, const char *lastline)
{
unsigned int n;
if (out == NULL) { FATAL("Internal error: NULL out in print_version_comment()"); }
if (firstline != NULL) { fputs(firstline, out); }
if (startline != NULL) { fputs(startline, out); }
fputs("Short runtime version information on the libgphoto2 build:", out);
if (endline != NULL) { fputs(endline, out); }
for (n=0; (module_versions[n].name != NULL) && (module_versions[n].version_func != NULL); n++) {
const char *name = module_versions[n].name;
GPVersionFunc func = module_versions[n].version_func;
const char **v = func(GP_VERSION_SHORT);
unsigned int i;
if (!v) { continue; }
if (!v[0]) { continue; }
if (startline != NULL) { fputs(startline, out); }
fputs(" ", out);
fprintf(out,"%-15s %-14s ", name, v[0]);
for (i=1; v[i] != NULL; i++) {
fputs(v[i], out);
if (v[i+1] != NULL) {
fputs(", ", out);
}
}
if (endline != NULL) { fputs(endline, out); }
}
if (lastline != NULL) { fputs(lastline, out); }
}
static void
print_version_verbose(FILE *out,
const char *startline, const char *endline,
const char *firstline, const char *lastline)
{
unsigned int n;
if (out == NULL) { FATAL("Internal error: NULL out in print_version_verbose()"); }
if (firstline != NULL) { fputs(firstline, out); }
if (startline != NULL) { fputs(startline, out); }
fputs("Verbose runtime version information on the libgphoto2 build:", out);
if (endline != NULL) { fputs(endline, out); }
for (n=0; (module_versions[n].name != NULL) && (module_versions[n].version_func != NULL); n++) {
const char *name = module_versions[n].name;
GPVersionFunc func = module_versions[n].version_func;
const char **v = func(GP_VERSION_VERBOSE);
unsigned int i;
if (!v) { continue; }
if (!v[0]) { continue; }
if (startline != NULL) { fputs(startline, out); }
fputs(" * ", out);
fprintf(out,"%s %s", name, v[0]);
if (endline != NULL) { fputs(endline, out); }
for (i=1; v[i] != NULL; i++) {
fprintf(out, " * %s", v[i]);
if (endline != NULL) { fputs(endline, out); }
}
}
if (lastline != NULL) { fputs(lastline, out); }
}
int main()
{
print_version_comment(stdout, NULL, "\n", NULL, NULL);
printf("\n");
print_version_verbose(stdout, NULL, "\n", NULL, NULL);
return 0;
}
/*
* Local Variables:
* c-file-style:"linux"
* indent-tabs-mode:t
* End:
*/
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