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-rw-r--r--lib/curl_strerror.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/curl_strerror.c b/lib/curl_strerror.c
index ac08978f5..1152aca4c 100644
--- a/lib/curl_strerror.c
+++ b/lib/curl_strerror.c
@@ -20,8 +20,9 @@
*
***************************************************************************/
-#include <curl/curl.h>
#include "setup.h"
+
+#include <curl/curl.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
@@ -503,7 +504,10 @@ const char *Curl_strerror(struct connectdata *conn, int err)
if (err >= 0 && err < sys_nerr) {
/* These should be atomic and hopefully thread-safe */
#ifdef HAVE_STRERROR_R
- strerror_r(err, buf, max); /* this may set ERANGE! */
+ strerror_r(err, buf, max);
+ /* this may set errno to ERANGE if insufficient storage was supplied via
+ strerrbuf and buflen to contain the generated message string, or EINVAL
+ if the value of errnum is not a valid error number.*/
#else
strncpy(buf, strerror(err), max);
#endif