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checkasm: print usage on invalid arguments

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This checks that arguments are handled. If not, then this prints a
short usage notice and returns an error.
This commit is contained in:
Rémi Denis-Courmont
2023-07-14 21:43:01 +03:00
parent 97c3c9974c
commit d8ea5f50e2
1 changed files with 23 additions and 11 deletions
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34
tests/checkasm/checkasm.c
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@@ -715,6 +715,14 @@ static void bench_uninit(void)
#endif #endif
} }
static int usage(const char *path)
{
fprintf(stderr,
"Usage: %s [--bench] [--test=<pattern>] [--verbose] [seed]\n",
path);
return 1;
}
int main(int argc, char *argv[]) int main(int argc, char *argv[])
{ {
unsigned int seed = av_get_random_seed(); unsigned int seed = av_get_random_seed();
@@ -730,25 +738,29 @@ int main(int argc, char *argv[])
return 0; return 0;
} }
while (argc > 1) { for (i = 1; i < argc; i++) {
if (!strncmp(argv[1], "--bench", 7)) { const char *arg = argv[i];
unsigned long l;
char *end;
if (!strncmp(arg, "--bench", 7)) {
if (bench_init() < 0) if (bench_init() < 0)
return 1; return 1;
if (argv[1][7] == '=') { if (arg[7] == '=') {
state.bench_pattern = argv[1] + 8; state.bench_pattern = arg + 8;
state.bench_pattern_len = strlen(state.bench_pattern); state.bench_pattern_len = strlen(state.bench_pattern);
} else } else
state.bench_pattern = ""; state.bench_pattern = "";
} else if (!strncmp(argv[1], "--test=", 7)) { } else if (!strncmp(arg, "--test=", 7)) {
state.test_name = argv[1] + 7; state.test_name = arg + 7;
} else if (!strcmp(argv[1], "--verbose") || !strcmp(argv[1], "-v")) { } else if (!strcmp(arg, "--verbose") || !strcmp(arg, "-v")) {
state.verbose = 1; state.verbose = 1;
} else if ((l = strtoul(arg, &end, 10)) <= UINT_MAX &&
*end == '\0') {
seed = l;
} else { } else {
seed = strtoul(argv[1], NULL, 10); return usage(argv[0]);
} }
argc--;
argv++;
} }
fprintf(stderr, "checkasm: using random seed %u\n", seed); fprintf(stderr, "checkasm: using random seed %u\n", seed);