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| author | "Steven J. Hill" <sjhill@realitydiluted.com> | 2006-01-07 02:32:27 +0000 |
|---|---|---|
| committer | "Steven J. Hill" <sjhill@realitydiluted.com> | 2006-01-07 02:32:27 +0000 |
| commit | e523bd15353350c3480b8a1820a0944b0fa8212e (patch) | |
| tree | 60485116f9c62c306bb753f12f9d4eb79d16aa4e /libc/string/memrchr.c | |
| parent | 3b3434516a3415d7e0f4e1d50c553876dcb337b2 (diff) | |
| download | uClibc-alpine-e523bd15353350c3480b8a1820a0944b0fa8212e.tar.bz2 uClibc-alpine-e523bd15353350c3480b8a1820a0944b0fa8212e.tar.xz | |
Big fricking merge from trunk.
Diffstat (limited to 'libc/string/memrchr.c')
| -rw-r--r-- | libc/string/memrchr.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/libc/string/memrchr.c b/libc/string/memrchr.c new file mode 100644 index 000000000..fb696bc6d --- /dev/null +++ b/libc/string/memrchr.c @@ -0,0 +1,33 @@ +/* + * Copyright (C) 2002 Manuel Novoa III + * Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org> + * + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + */ + +#include "_string.h" + +void attribute_hidden *__memrchr(const void *s, int c, size_t n) +{ + register const unsigned char *r; +#ifdef __BCC__ + /* bcc can optimize the counter if it thinks it is a pointer... */ + register const char *np = (const char *) n; +#else +#define np n +#endif + + r = ((unsigned char *)s) + ((size_t) np); + + while (np) { + if (*--r == ((unsigned char)c)) { + return (void *) r; /* silence the warning */ + } + --np; + } + + return NULL; +} +#undef np + +strong_alias(__memrchr,memrchr) |