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tinycap: replace manual option parsing with optparse

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This commit is contained in:
Ethan Sommer
2020-06-03 15:36:00 -04:00
parent 1737cfc530
commit 78041f07e7
1 changed files with 35 additions and 37 deletions
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utils/tinycap.c
+35 -37
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@@ -34,6 +34,9 @@
#include <string.h>
#include <limits.h>
#define OPTPARSE_IMPLEMENTATION
#include "optparse.h"
#define ID_RIFF 0x46464952
#define ID_WAVE 0x45564157
#define ID_FMT 0x20746d66
@@ -86,7 +89,8 @@ int main(int argc, char **argv)
unsigned int period_count = 4;
unsigned int capture_time = UINT_MAX;
enum pcm_format format;
int no_header = 0;
int no_header = 0, c;
struct optparse opts;
if (argc < 2) {
fprintf(stderr, "Usage: %s {file.wav | --} [-D card] [-d device] [-c channels] "
@@ -108,43 +112,37 @@ int main(int argc, char **argv)
}
/* parse command line arguments */
argv += 2;
while (*argv) {
if (strcmp(*argv, "-d") == 0) {
argv++;
if (*argv)
device = atoi(*argv);
} else if (strcmp(*argv, "-c") == 0) {
argv++;
if (*argv)
channels = atoi(*argv);
} else if (strcmp(*argv, "-r") == 0) {
argv++;
if (*argv)
rate = atoi(*argv);
} else if (strcmp(*argv, "-b") == 0) {
argv++;
if (*argv)
bits = atoi(*argv);
} else if (strcmp(*argv, "-D") == 0) {
argv++;
if (*argv)
card = atoi(*argv);
} else if (strcmp(*argv, "-p") == 0) {
argv++;
if (*argv)
period_size = atoi(*argv);
} else if (strcmp(*argv, "-n") == 0) {
argv++;
if (*argv)
period_count = atoi(*argv);
} else if (strcmp(*argv, "-t") == 0) {
argv++;
if (*argv)
capture_time = atoi(*argv);
optparse_init(&opts, argv + 1);
while ((c = optparse(&opts, "D:d:c:r:b:p:n:t:")) != -1) {
switch (c) {
case 'd':
device = atoi(opts.optarg);
break;
case 'c':
channels = atoi(opts.optarg);
break;
case 'r':
rate = atoi(opts.optarg);
break;
case 'b':
bits = atoi(opts.optarg);
break;
case 'D':
card = atoi(opts.optarg);
break;
case 'p':
period_size = atoi(opts.optarg);
break;
case 'n':
period_count = atoi(opts.optarg);
break;
case 't':
capture_time = atoi(opts.optarg);
break;
case '?':
fprintf(stderr, "%s\n", opts.errmsg);
return EXIT_FAILURE;
}
if (*argv)
argv++;
}
header.riff_id = ID_RIFF;