diff options
Diffstat (limited to 'src/lib/libc/string/strnlen.c')
-rw-r--r-- | src/lib/libc/string/strnlen.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/src/lib/libc/string/strnlen.c b/src/lib/libc/string/strnlen.c index 33c3b6e2ca..db809756ac 100644 --- a/src/lib/libc/string/strnlen.c +++ b/src/lib/libc/string/strnlen.c | |||
@@ -1,4 +1,4 @@ | |||
1 | /* $OpenBSD: strnlen.c,v 1.7 2016/10/14 18:19:04 dtucker Exp $ */ | 1 | /* $OpenBSD: strnlen.c,v 1.8 2016/10/16 17:37:39 dtucker Exp $ */ |
2 | 2 | ||
3 | /* | 3 | /* |
4 | * Copyright (c) 2010 Todd C. Miller <Todd.Miller@courtesan.com> | 4 | * Copyright (c) 2010 Todd C. Miller <Todd.Miller@courtesan.com> |
@@ -19,7 +19,6 @@ | |||
19 | #include <sys/types.h> | 19 | #include <sys/types.h> |
20 | 20 | ||
21 | #include <string.h> | 21 | #include <string.h> |
22 | #include <stdint.h> | ||
23 | 22 | ||
24 | size_t | 23 | size_t |
25 | strnlen(const char *str, size_t maxlen) | 24 | strnlen(const char *str, size_t maxlen) |
@@ -29,10 +28,6 @@ strnlen(const char *str, size_t maxlen) | |||
29 | for (cp = str; maxlen != 0 && *cp != '\0'; cp++, maxlen--) | 28 | for (cp = str; maxlen != 0 && *cp != '\0'; cp++, maxlen--) |
30 | ; | 29 | ; |
31 | 30 | ||
32 | /* | 31 | return (size_t)(cp - str); |
33 | * Cast pointers to unsigned type before calculation, to avoid signed | ||
34 | * overflow when the string ends where the MSB has changed. | ||
35 | */ | ||
36 | return (size_t)((uintptr_t)cp - (uintptr_t)str); | ||
37 | } | 32 | } |
38 | DEF_WEAK(strnlen); | 33 | DEF_WEAK(strnlen); |