dct/fft-test: use a replacement getopt() if the system has none present.

This allows compiling and running these tests on systems lacking a built-
in version of getopt(), such as MSVC.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Ronald S. Bultje 2012-07-03 20:14:09 -07:00 committed by Anton Khirnov
parent 183b1c2268
commit 667fb97a65
4 changed files with 99 additions and 0 deletions

84
compat/getopt.c Normal file
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@ -0,0 +1,84 @@
/*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; 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;
}

2
configure vendored
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@ -1083,6 +1083,7 @@ HAVE_LIST="
fork
getaddrinfo
gethrtime
getopt
GetProcessAffinityMask
GetProcessMemoryInfo
GetProcessTimes
@ -2862,6 +2863,7 @@ check_func fcntl
check_func fork
check_func getaddrinfo $network_extralibs
check_func gethrtime
check_func getopt
check_func getrusage
check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
check_func gettimeofday

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@ -25,10 +25,13 @@
* Started from sample code by Juan J. Sierralta P.
*/
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <math.h>
#include "libavutil/cpu.h"
@ -474,6 +477,10 @@ static void help(void)
"-t speed test\n");
}
#if !HAVE_GETOPT
#include "compat/getopt.c"
#endif
int main(int argc, char **argv)
{
int test_idct = 0, test_248_dct = 0;

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@ -34,7 +34,9 @@
#include "rdft.h"
#endif
#include <math.h>
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <stdlib.h>
#include <string.h>
@ -229,6 +231,10 @@ enum tf_transform {
TRANSFORM_DCT,
};
#if !HAVE_GETOPT
#include "compat/getopt.c"
#endif
int main(int argc, char **argv)
{
FFTComplex *tab, *tab1, *tab_ref;