diff options
Diffstat (limited to 'string/bits/string3.h')
| -rw-r--r-- | string/bits/string3.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/string/bits/string3.h b/string/bits/string3.h index 8fb66e41c8..6c027c23a0 100644 --- a/string/bits/string3.h +++ b/string/bits/string3.h @@ -85,11 +85,11 @@ __mempcpy_ichk (void *__restrict __dest, const void *__restrict __src, especially problematic if the intended fill value is zero. In this case no work is done at all. We detect these problems by referring non-existing functions. */ -extern char *__memset_zero_constant_len_parameter (void *, int, size_t, - size_t); +__warndecl (__warn_memset_zero_len, + "memset used with constant zero length parameter; this could be due to transposed parameters"); #define memset(dest, ch, len) \ (__builtin_constant_p (len) && (len) == 0 \ - ? __memset_zero_constant_len_parameter (dest, ch, len, 0) \ + ? (__warn_memset_zero_len (), (void) (ch), (void) (len), (void *) (dest)) \ : ((__bos0 (dest) != (size_t) -1) \ ? __builtin___memset_chk (dest, ch, len, __bos0 (dest)) \ : __memset_ichk (dest, ch, len))) |