X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fmemchr.c;h=4b28e481f88e4789c52e74bf14483b924e38c64e;hb=a76a349e949dfad5716eb3893052070b770e949f;hp=8c3b59c1bbb6092057b7f8f7e13a59831bac6266;hpb=89f2b4892655a929a506eff123c9126a88e2c8eb;p=gnulib.git diff --git a/lib/memchr.c b/lib/memchr.c index 8c3b59c1b..4b28e481f 100644 --- a/lib/memchr.c +++ b/lib/memchr.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1991, 1993, 1997, 1999 Free Software Foundation, Inc. +/* Copyright (C) 1991,93,96,97,99,2000 Free Software Foundation, Inc. Based on strlen implementation by Torbjorn Granlund (tege@sics.se), with help from Dan Sahlin (dan@sics.se) and commentary by Jim Blandy (jimb@ai.mit.edu); @@ -34,11 +34,18 @@ USA. */ # define __ptr_t char * #endif /* C++ or ANSI C. */ -#if defined (_LIBC) +#if defined _LIBC # include +# include +#else +# define reg_char char +#endif + +#if HAVE_STDLIB_H || defined _LIBC +# include #endif -#if defined (HAVE_LIMITS_H) || defined (_LIBC) +#if HAVE_LIMITS_H || defined _LIBC # include #endif @@ -49,21 +56,28 @@ USA. */ #endif #include +#if HAVE_BP_SYM_H || defined _LIBC +# include +#else +# define BP_SYM(sym) sym +#endif +#undef memchr +#undef __memchr /* Search no more than N bytes of S for C. */ - __ptr_t -memchr (s, c, n) +__memchr (s, c_in, n) const __ptr_t s; - int c; + int c_in; size_t n; { const unsigned char *char_ptr; const unsigned long int *longword_ptr; unsigned long int longword, magic_bits, charmask; + unsigned reg_char c; - c = (unsigned char) c; + c = (unsigned char) c_in; /* Handle the first few characters by reading one character at a time. Do this until CHAR_PTR is aligned on a longword boundary. */ @@ -197,3 +211,6 @@ memchr (s, c, n) return 0; } +#ifdef weak_alias +weak_alias (__memchr, BP_SYM (memchr)) +#endif