/* $NetBSD: exclude.c,v 1.1.1.1 2016/01/10 21:36:18 christos Exp $ */ /* exclude.c -- exclude file names Copyright 1992, 1993, 1994, 1997, 1999, 2000 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 the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* Written by Paul Eggert */ #if HAVE_CONFIG_H # include #endif #include #ifndef errno extern int errno; #endif #include #include #include #include void *xmalloc PARAMS ((size_t)); void *xrealloc PARAMS ((void *, size_t)); /* Keep track of excluded file name patterns. */ struct exclude { char const **exclude; int exclude_alloc; int exclude_count; }; struct exclude * new_exclude (void) { struct exclude *ex = (struct exclude *) xmalloc (sizeof (struct exclude)); ex->exclude_count = 0; ex->exclude_alloc = 64; ex->exclude = (char const **) xmalloc (ex->exclude_alloc * sizeof (char *)); return ex; } int excluded_filename (struct exclude const *ex, char const *f, int options) { char const * const *exclude = ex->exclude; int exclude_count = ex->exclude_count; int i; for (i = 0; i < exclude_count; i++) if (fnmatch (exclude[i], f, options) == 0) return 1; return 0; } void add_exclude (struct exclude *ex, char const *pattern) { if (ex->exclude_alloc <= ex->exclude_count) ex->exclude = (char const **) xrealloc (ex->exclude, ((ex->exclude_alloc *= 2) * sizeof (char *))); ex->exclude[ex->exclude_count++] = pattern; } int add_exclude_file (void (*add_func) PARAMS ((struct exclude *, char const *)), struct exclude *ex, char const *filename, char line_end) { int use_stdin = filename[0] == '-' && !filename[1]; FILE *in; char *buf; char *p; char const *pattern; char const *lim; size_t buf_alloc = 1024; size_t buf_count = 0; int c; int e = 0; if (use_stdin) in = stdin; 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 = xrealloc (buf, buf_alloc *= 2); } buf = xrealloc (buf, buf_count + 1); if (ferror (in)) e = errno; if (!use_stdin && fclose (in) != 0) e = errno; for (pattern = p = buf, lim = buf + buf_count; p <= lim; p++) if (p < lim ? *p == line_end : buf < p && p[-1]) { *p = '\0'; (*add_func) (ex, pattern); pattern = p + 1; } errno = e; return e ? -1 : 0; }