/* exclude.c -- exclude file names
- Copyright (C) 1992, 1993, 1994, 1997, 1999, 2000, 2001, 2002, 2003 Free
- Software Foundation, Inc.
+ Copyright (C) 1992, 1993, 1994, 1997, 1999, 2000, 2001, 2002, 2003,
+ 2004 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include <ctype.h>
#include <errno.h>
-#ifndef errno
-extern int errno;
-#endif
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#if HAVE_INTTYPES_H
-# include <inttypes.h>
-#else
-# if HAVE_STDINT_H
-# include <stdint.h>
-# endif
-#endif
#include "exclude.h"
#include "fnmatch.h"
-#include "unlocked-io.h"
#include "xalloc.h"
-#ifndef SIZE_MAX
-# define SIZE_MAX ((size_t) -1)
+#if USE_UNLOCKED_IO
+# include "unlocked-io.h"
#endif
#if STDC_HEADERS || (! defined isascii && ! HAVE_ISASCII)
struct exclude *
new_exclude (void)
{
- struct exclude *ex = xmalloc (sizeof *ex);
- ex->exclude_count = 0;
- ex->exclude_alloc = (1 << 6); /* This must be a power of 2. */
- ex->exclude = xmalloc (ex->exclude_alloc * sizeof ex->exclude[0]);
- return ex;
+ return xzalloc (sizeof *new_exclude ());
}
/* Free the storage associated with an exclude list. */
{
struct patopts *patopts;
- if (ex->exclude_alloc <= ex->exclude_count)
- {
- size_t s = 2 * ex->exclude_alloc;
- if (! (0 < s && s <= SIZE_MAX / sizeof ex->exclude[0]))
- xalloc_die ();
- ex->exclude_alloc = s;
- ex->exclude = xrealloc (ex->exclude, s * sizeof ex->exclude[0]);
- }
+ if (ex->exclude_count == ex->exclude_alloc)
+ ex->exclude = x2nrealloc (ex->exclude, &ex->exclude_alloc,
+ sizeof *ex->exclude);
patopts = &ex->exclude[ex->exclude_count++];
patopts->pattern = pattern;
{
bool use_stdin = filename[0] == '-' && !filename[1];
FILE *in;
- char *buf;
+ char *buf = NULL;
char *p;
char const *pattern;
char const *lim;
- size_t buf_alloc = (1 << 10); /* This must be a power of two. */
+ size_t buf_alloc = 0;
size_t buf_count = 0;
int c;
int e = 0;
else if (! (in = fopen (filename, "r")))
return -1;
- buf = xmalloc (buf_alloc);
-
while ((c = getc (in)) != EOF)
{
- buf[buf_count++] = c;
if (buf_count == buf_alloc)
- {
- buf_alloc *= 2;
- if (! buf_alloc)
- xalloc_die ();
- buf = xrealloc (buf, buf_alloc);
- }
+ buf = x2realloc (buf, &buf_alloc);
+ buf[buf_count++] = c;
}
if (ferror (in))