99 lines
2.3 KiB
C
99 lines
2.3 KiB
C
/* $NetBSD: opattern.c,v 1.5 2009/02/02 12:35:01 joerg Exp $ */
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/*
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* FreeBSD install - a package for the installation and maintainance
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* of non-core utilities.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* Jordan K. Hubbard
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* 18 July 1993
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*
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* Miscellaneous string utilities.
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <fnmatch.h>
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#include <ctype.h>
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#include <sys/param.h>
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#include "xbps_api_impl.h"
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/*
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* Perform glob match on "pkg" against "pattern".
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* Return 1 on match, 0 otherwise.
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*/
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static int
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glob_match(const char *pattern, const char *pkg)
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{
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return fnmatch(pattern, pkg, FNM_PERIOD) == 0;
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}
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/*
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* Perform simple match on "pkg" against "pattern".
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* Return 1 on match, 0 otherwise.
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*/
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static int
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simple_match(const char *pattern, const char *pkg)
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{
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return strcmp(pattern, pkg) == 0;
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}
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/*
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* Performs a fast check if pattern can ever match pkg.
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* Returns 1 if a match is possible and 0 otherwise.
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*/
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static int
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quick_pkg_match(const char *pattern, const char *pkg)
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{
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#define simple(x) (isalnum((unsigned char)(x)) || (x) == '-')
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if (!simple(pattern[0]))
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return 1;
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if (pattern[0] != pkg[0])
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return 0;
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if (!simple(pattern[1]))
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return 1;
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if (pattern[1] != pkg[1])
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return 0;
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return 1;
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#undef simple
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}
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/*
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* Match pkg against pattern, return 1 if matching, 0 otherwise or -1 on error.
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*/
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int
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xbps_pkgpattern_match(const char *pkg, const char *pattern)
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{
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if (!quick_pkg_match(pattern, pkg))
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return 0;
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if (strpbrk(pattern, "<>") != NULL) {
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/* perform relational dewey match on version number */
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return dewey_match(pattern, pkg);
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}
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if (strpbrk(pattern, "*?[]") != NULL) {
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/* glob match */
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if (glob_match(pattern, pkg))
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return 1;
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}
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/* no dewey or glob match -> simple compare */
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if (simple_match(pattern, pkg))
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return 1;
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/* no match */
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return 0;
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}
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