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parse_options(): Avoid passing NULL as a string arg to fprintf

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This commit is contained in:
Jeff Downs 2011-06-23 14:12:37 -04:00
parent f925b24381
commit f6d28cf029
1 changed files with 1 additions and 1 deletions
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2
cmdutils.c
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@ -281,7 +281,7 @@ unknown_opt:
*po->u.float_arg = parse_number_or_die(opt, arg, OPT_FLOAT, -INFINITY, INFINITY);
} else if (po->u.func_arg) {
if (po->u.func_arg(opt, arg) < 0) {
fprintf(stderr, "%s: failed to set value '%s' for option '%s'\n", argv[0], arg, opt);
fprintf(stderr, "%s: failed to set value '%s' for option '%s'\n", argv[0], arg ? arg : "[null]", opt);
exit(1);
}
}