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