diff options
Diffstat (limited to 'src/memrchr.c')
| -rw-r--r-- | src/memrchr.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/src/memrchr.c b/src/memrchr.c index 3e60c55..57cf70e 100644 --- a/src/memrchr.c +++ b/src/memrchr.c @@ -1,5 +1,5 @@ /* memrchr.c - Replacement for memrchr. - * Copyright (C) 2002 Free Software Foundation, Inc. + * Copyright (C) 2002, 2004 Free Software Foundation, Inc. * * This file is part of GnuPG. * @@ -27,10 +27,14 @@ void * memrchr (const void *block, int c, size_t size) { - void *p; + const unsigned char *p = block; - for (p = block + size; p != block; p --) - if (*p == c) - return p; - return 0; + if (size) + { + for (p += size - 1; size; p--, size--) + if (*p == c) + return (void *)p; + } + return NULL; } + |