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-rw-r--r--lib/libalpm/versioncmp.c294
1 files changed, 0 insertions, 294 deletions
diff --git a/lib/libalpm/versioncmp.c b/lib/libalpm/versioncmp.c
deleted file mode 100644
index ae9ff90d..00000000
--- a/lib/libalpm/versioncmp.c
+++ /dev/null
@@ -1,294 +0,0 @@
-/*
- * versioncmp.c
- *
- * Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
- * Copyright (c) 2005 by Aurelien Foret <orelien@chez.com>
- * Copyright (c) 2005, 2006 by Miklos Vajna <vmiklos@frugalware.org>
- *
- * 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 of the License, 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; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
- * USA.
- */
-
-#include "config.h"
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <ctype.h>
-#include <string.h>
-
-/* libalpm */
-#include "versioncmp.h"
-#include "alpm_list.h"
-#include "alpm.h"
-#include "log.h"
-#include "util.h"
-
-#ifndef HAVE_STRVERSCMP
-/* GNU's strverscmp() function, taken from glibc 2.3.2 sources
- */
-
-/* Compare strings while treating digits characters numerically.
- Copyright (C) 1997, 2002 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Jean-François Bignolles <bignolle@ecoledoc.ibp.fr>, 1997.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
-
-/* states: S_N: normal, S_I: comparing integral part, S_F: comparing
- fractionnal parts, S_Z: idem but with leading Zeroes only */
-#define S_N 0x0
-#define S_I 0x4
-#define S_F 0x8
-#define S_Z 0xC
-
-/* result_type: CMP: return diff; LEN: compare using len_diff/diff */
-#define CMP 2
-#define LEN 3
-
-/* Compare S1 and S2 as strings holding indices/version numbers,
- returning less than, equal to or greater than zero if S1 is less than,
- equal to or greater than S2 (for more info, see the texinfo doc).
-*/
-
-static int strverscmp (s1, s2)
- const char *s1;
- const char *s2;
-{
- const unsigned char *p1 = (const unsigned char *) s1;
- const unsigned char *p2 = (const unsigned char *) s2;
- unsigned char c1, c2;
- int state;
- int diff;
-
- /* Symbol(s) 0 [1-9] others (padding)
- Transition (10) 0 (01) d (00) x (11) - */
- static const unsigned int next_state[] =
- {
- /* state x d 0 - */
- /* S_N */ S_N, S_I, S_Z, S_N,
- /* S_I */ S_N, S_I, S_I, S_I,
- /* S_F */ S_N, S_F, S_F, S_F,
- /* S_Z */ S_N, S_F, S_Z, S_Z
- };
-
- static const int result_type[] =
- {
- /* state x/x x/d x/0 x/- d/x d/d d/0 d/-
- 0/x 0/d 0/0 0/- -/x -/d -/0 -/- */
-
- /* S_N */ CMP, CMP, CMP, CMP, CMP, LEN, CMP, CMP,
- CMP, CMP, CMP, CMP, CMP, CMP, CMP, CMP,
- /* S_I */ CMP, -1, -1, CMP, +1, LEN, LEN, CMP,
- +1, LEN, LEN, CMP, CMP, CMP, CMP, CMP,
- /* S_F */ CMP, CMP, CMP, CMP, CMP, LEN, CMP, CMP,
- CMP, CMP, CMP, CMP, CMP, CMP, CMP, CMP,
- /* S_Z */ CMP, +1, +1, CMP, -1, CMP, CMP, CMP,
- -1, CMP, CMP, CMP
- };
-
- if (p1 == p2)
- return 0;
-
- c1 = *p1++;
- c2 = *p2++;
- /* Hint: '0' is a digit too. */
- state = S_N | ((c1 == '0') + (isdigit (c1) != 0));
-
- while ((diff = c1 - c2) == 0 && c1 != '\0')
- {
- state = next_state[state];
- c1 = *p1++;
- c2 = *p2++;
- state |= (c1 == '0') + (isdigit (c1) != 0);
- }
-
- state = result_type[state << 2 | (((c2 == '0') + (isdigit (c2) != 0)))];
-
- switch (state)
- {
- case CMP:
- return diff;
-
- case LEN:
- while (isdigit (*p1++))
- if (!isdigit (*p2++))
- return 1;
-
- return isdigit (*p2) ? -1 : diff;
-
- default:
- return state;
- }
-}
-
-#endif
-
-/* this function was taken from rpm 4.0.4 and rewritten */
-int _alpm_versioncmp(const char *a, const char *b)
-{
- char str1[64], str2[64];
- char *ptr1, *ptr2;
- char *one, *two;
- char *rel1 = NULL, *rel2 = NULL;
- char oldch1, oldch2;
- int is1num, is2num;
- int rc;
-
- ALPM_LOG_FUNC;
-
- if(!strcmp(a,b)) {
- return(0);
- }
-
- strncpy(str1, a, 64);
- str1[63] = 0;
- strncpy(str2, b, 64);
- str2[63] = 0;
-
- /* lose the release number */
- for(one = str1; *one && *one != '-'; one++);
- if(one) {
- *one = '\0';
- rel1 = ++one;
- }
- for(two = str2; *two && *two != '-'; two++);
- if(two) {
- *two = '\0';
- rel2 = ++two;
- }
-
- one = str1;
- two = str2;
-
- while(*one || *two) {
- while(*one && !isalnum((int)*one)) one++;
- while(*two && !isalnum((int)*two)) two++;
-
- ptr1 = one;
- ptr2 = two;
-
- /* find the next segment for each string */
- if(isdigit((int)*ptr1)) {
- is1num = 1;
- while(*ptr1 && isdigit((int)*ptr1)) ptr1++;
- } else {
- is1num = 0;
- while(*ptr1 && isalpha((int)*ptr1)) ptr1++;
- }
- if(isdigit((int)*ptr2)) {
- is2num = 1;
- while(*ptr2 && isdigit((int)*ptr2)) ptr2++;
- } else {
- is2num = 0;
- while(*ptr2 && isalpha((int)*ptr2)) ptr2++;
- }
-
- oldch1 = *ptr1;
- *ptr1 = '\0';
- oldch2 = *ptr2;
- *ptr2 = '\0';
-
- /* see if we ran out of segments on one string */
- if(one == ptr1 && two != ptr2) {
- return(is2num ? -1 : 1);
- }
- if(one != ptr1 && two == ptr2) {
- return(is1num ? 1 : -1);
- }
-
- /* see if we have a type mismatch (ie, one is alpha and one is digits) */
- if(is1num && !is2num) return(1);
- if(!is1num && is2num) return(-1);
-
- if(is1num) while(*one == '0') one++;
- if(is2num) while(*two == '0') two++;
-
- rc = strverscmp(one, two);
- if(rc) return(rc);
-
- *ptr1 = oldch1;
- *ptr2 = oldch2;
- one = ptr1;
- two = ptr2;
- }
-
- if((!*one) && (!*two)) {
- /* compare release numbers */
- if(rel1 && rel2 && strlen(rel1) && strlen(rel2)) return(_alpm_versioncmp(rel1, rel2));
- return(0);
- }
-
- return(*one ? 1 : -1);
-}
-
-int SYMEXPORT alpm_depcmp(pmpkg_t *pkg, pmdepend_t *dep)
-{
- int equal = 0;
-
- ALPM_LOG_FUNC;
-
- if(strcmp(pkg->name, dep->name) == 0
- || alpm_list_find_str(alpm_pkg_get_provides(pkg), dep->name)) {
- if(dep->mod == PM_DEP_MOD_ANY) {
- equal = 1;
- } else {
- int cmp = _alpm_versioncmp(alpm_pkg_get_version(pkg), dep->version);
- switch(dep->mod) {
- case PM_DEP_MOD_EQ: equal = (cmp == 0); break;
- case PM_DEP_MOD_GE: equal = (cmp >= 0); break;
- case PM_DEP_MOD_LE: equal = (cmp <= 0); break;
- default: equal = 1; break;
- }
- }
-
- char *mod = "~=";
- switch(dep->mod) {
- case PM_DEP_MOD_EQ: mod = "=="; break;
- case PM_DEP_MOD_GE: mod = ">="; break;
- case PM_DEP_MOD_LE: mod = "<="; break;
- default: break;
- }
-
- if(strlen(dep->version) > 0) {
- _alpm_log(PM_LOG_DEBUG, "depcmp: %s-%s %s %s-%s => %s",
- alpm_pkg_get_name(pkg), alpm_pkg_get_version(pkg),
- mod, dep->name, dep->version,
- (equal ? "match" : "no match"));
- } else {
- _alpm_log(PM_LOG_DEBUG, "depcmp: %s-%s %s %s => %s",
- alpm_pkg_get_name(pkg), alpm_pkg_get_version(pkg),
- mod, dep->name,
- (equal ? "match" : "no match"));
- }
- }
-
- return equal;
-}
-
-
-/* vim: set ts=2 sw=2 noet: */
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