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Cage: exit when there is no application passed

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This regression was introduced in 667667505a
due to wrongfully handling optind.
This commit is contained in:
Jente Hidskes 2019-02-26 18:56:23 +01:00
parent c2226da89b
commit 848929c88c
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GPG key ID: 04BE5A29F32D91EA
1 changed files with 5 additions and 3 deletions
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8
cage.c
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@ -84,11 +84,13 @@ handle_signal(int signal, void *data)
static void
usage(FILE *file, const char *cage)
{
fprintf(file, "Usage: %s APPLICATION\n"
fprintf(file, "Usage: %s [OPTIONS] [--] APPLICATION\n"
"\n"
" -d\t Don't draw client side decorations, when possible\n"
" -D\t Turn on damage tracking debugging\n"
" -h\t Display this help message\n",
" -h\t Display this help message\n"
"\n"
" Use -- when you want to pass arguments to APPLICATION\n",
cage);
}
@ -113,7 +115,7 @@ parse_args(struct cg_server *server, int argc, char *argv[])
}
}
if (optind == 0) {
if (optind >= argc) {
usage(stderr, argv[0]);
return false;
}