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ivfrate: fix one error message, make -h/--help display usage.

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Actually, right now, any first arg starting with '-' will show the usage.

git-svn-id: https://svn.eduke32.com/eduke32@4258 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
helixhorned 2014-01-15 20:29:06 +00:00
parent 4881a13f99
commit 63464e3693
1 changed files with 5 additions and 1 deletions
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6
polymer/eduke32/source/util/ivfrate.c
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@ -39,8 +39,12 @@ int main(int argc, char **argv)
return 255;
}
if (argc == 2 && argv[1][0]=='-')
goto usage;
if (argc != 2 && argc != 4 && argc != 5)
{
usage:
fprintf(stderr, "Usage: %s <file.ivf> [<fpsnumerator> <fpsdenominator> [-force]]\n"
" Without -force, <fpsnumerator> must be < 1000.\n"
" If <fpsnumerator> is >= 1000, the actual frame rate\n"
@ -54,7 +58,7 @@ int main(int argc, char **argv)
fd = open(argv[1], dowrite ? O_RDWR : O_RDONLY);
if (fd < 0)
{
fprintf(stderr, "Could't open \"%s\" for: %s\n",
fprintf(stderr, "Could't open \"%s\" for %s: %s\n", argv[1],
dowrite ? "reading/writing":"reading", strerror(errno));
return 2;
}