diff options
Diffstat (limited to 'src/regex.c')
| -rw-r--r-- | src/regex.c | 45 |
1 files changed, 12 insertions, 33 deletions
diff --git a/src/regex.c b/src/regex.c index 10ab857b00a..b563d93fe29 100644 --- a/src/regex.c +++ b/src/regex.c @@ -248,37 +248,16 @@ xrealloc (block, size) # endif # define realloc xrealloc -/* When used in Emacs's lib-src, we need to get bzero and bcopy somehow. - If nothing else has been done, use the method below. */ -# ifdef INHIBIT_STRING_HEADER -# if !(defined HAVE_BZERO && defined HAVE_BCOPY) -# if !defined bzero && !defined bcopy -# undef INHIBIT_STRING_HEADER -# endif +/* This is the normal way of making sure we have memcpy, memcmp and memset. */ +# if defined HAVE_STRING_H || defined STDC_HEADERS || defined _LIBC +# include <string.h> +# else +# include <strings.h> +# ifndef memcmp +# define memcmp(s1, s2, n) bcmp (s1, s2, n) # endif -# endif - -/* This is the normal way of making sure we have memcpy, memcmp and bzero. - This is used in most programs--a few other programs avoid this - by defining INHIBIT_STRING_HEADER. */ -# ifndef INHIBIT_STRING_HEADER -# if defined HAVE_STRING_H || defined STDC_HEADERS || defined _LIBC -# include <string.h> -# ifndef bzero -# ifndef _LIBC -# define bzero(s, n) (memset (s, '\0', n), (s)) -# else -# define bzero(s, n) __bzero (s, n) -# endif -# endif -# else -# include <strings.h> -# ifndef memcmp -# define memcmp(s1, s2, n) bcmp (s1, s2, n) -# endif -# ifndef memcpy -# define memcpy(d, s, n) (bcopy (s, d, n), (d)) -# endif +# ifndef memcpy +# define memcpy(d, s, n) (bcopy (s, d, n), (d)) # endif # endif @@ -464,7 +443,7 @@ init_syntax_once () if (done) return; - bzero (re_syntax_table, sizeof re_syntax_table); + memset (re_syntax_table, 0, sizeof re_syntax_table); for (c = 0; c < CHAR_SET_SIZE; ++c) if (ISALNUM (c)) @@ -2948,7 +2927,7 @@ regex_compile (const re_char *pattern, size_t size, reg_syntax_t syntax, struct BUF_PUSH ((1 << BYTEWIDTH) / BYTEWIDTH); /* Clear the whole map. */ - bzero (b, (1 << BYTEWIDTH) / BYTEWIDTH); + memset (b, 0, (1 << BYTEWIDTH) / BYTEWIDTH); /* charset_not matches newline according to a syntax bit. */ if ((re_opcode_t) b[-2] == charset_not @@ -4303,7 +4282,7 @@ re_compile_fastmap (struct re_pattern_buffer *bufp) assert (fastmap && bufp->buffer); - bzero (fastmap, 1 << BYTEWIDTH); /* Assume nothing's valid. */ + memset (fastmap, 0, 1 << BYTEWIDTH); /* Assume nothing's valid. */ bufp->fastmap_accurate = 1; /* It will be when we're done. */ analysis = analyse_first (bufp->buffer, bufp->buffer + bufp->used, |