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FFmpeg/compat/getopt.c
Michael Niedermayer 620c6292b1 Merge remote-tracking branch 'qatar/master'
* qatar/master:
  build: Fix Ogg demuxer dependencies
  build: Fix FLAC demuxer dependencies
  flac: Move flac functions shared between libraries to flac common code
  build: Fix CAF demuxer dependencies
  build: Fix MP2 muxer dependencies
  build: Add missing build rules for the ISMV muxer
  configure: Drop redundant mxf_d10 test dependency declaration
  Support AAC encoding via the external library fdk-aac
  libavcodec: Add more AAC profiles
  dct/fft-test: use a replacement getopt() if the system has none present.

Conflicts:
	Changelog
	libavcodec/Makefile
	libavcodec/version.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-07-12 23:57:00 +02:00

85 lines
2.4 KiB
C

/*
* This file is part of FFmpeg.
*
* FFmpeg 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 2.1 of the License, or (at your option) any later version.
*
* FFmpeg 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 FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* This file was copied from the following newsgroup posting:
*
* Newsgroups: mod.std.unix
* Subject: public domain AT&T getopt source
* Date: 3 Nov 85 19:34:15 GMT
*
* Here's something you've all been waiting for: the AT&T public domain
* source for getopt(3). It is the code which was given out at the 1985
* UNIFORUM conference in Dallas. I obtained it by electronic mail
* directly from AT&T. The people there assure me that it is indeed
* in the public domain.
*/
#define EOF (-1)
static int opterr = 1;
static int optind = 1;
static int optopt;
static char *optarg;
#undef fprintf
static int getopt(int argc, char *argv[], char *opts)
{
static int sp = 1;
int c;
char *cp;
if (sp == 1)
if (optind >= argc ||
argv[optind][0] != '-' || argv[optind][1] == '\0')
return EOF;
else if (!strcmp(argv[optind], "--")) {
optind++;
return EOF;
}
optopt = c = argv[optind][sp];
if (c == ':' || (cp = strchr(opts, c)) == NULL) {
fprintf(stderr, ": illegal option -- %c\n", c);
if (argv[optind][++sp] == '\0') {
optind++;
sp = 1;
}
return '?';
}
if (*++cp == ':') {
if (argv[optind][sp+1] != '\0')
optarg = &argv[optind++][sp+1];
else if(++optind >= argc) {
fprintf(stderr, ": option requires an argument -- %c\n", c);
sp = 1;
return '?';
} else
optarg = argv[optind++];
sp = 1;
} else {
if (argv[optind][++sp] == '\0') {
sp = 1;
optind++;
}
optarg = NULL;
}
return c;
}