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-rw-r--r--argp/argp-help.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/argp/argp-help.c b/argp/argp-help.c
index 1921e5258e..67018709d3 100644
--- a/argp/argp-help.c
+++ b/argp/argp-help.c
@@ -1768,7 +1768,8 @@ __argp_error (const struct argp_state *state, const char *fmt, ...)
 	    {
 	      char *buf;
 
-	      __asprintf (&buf, fmt, ap);
+	      if (__asprintf (&buf, fmt, ap) < 0)
+		buf = NULL;
 
 	      __fwprintf (stream, L"%s: %s\n",
 			  state ? state->name : __argp_short_program_name (),
@@ -1846,7 +1847,8 @@ __argp_failure (const struct argp_state *state, int status, int errnum,
 		{
 		  char *buf;
 
-		  __asprintf (&buf, fmt, ap);
+		  if (__asprintf (&buf, fmt, ap) < 0)
+		    buf = NULL;
 
 		  __fwprintf (stream, L": %s", buf);