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-rw-r--r--parse-options.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/parse-options.c b/parse-options.c
index 8b21dea72e..51e804b3be 100644
--- a/parse-options.c
+++ b/parse-options.c
@@ -364,6 +364,9 @@ int parse_options(int argc, const char **argv, const struct option *options,
int usage_with_options_internal(const char * const *usagestr,
const struct option *opts, int full)
{
+ if (!usagestr)
+ return PARSE_OPT_HELP;
+
fprintf(stderr, "usage: %s\n", *usagestr++);
while (*usagestr && **usagestr)
fprintf(stderr, " or: %s\n", *usagestr++);