diff options
author | Dan McGee <dan@archlinux.org> | 2007-07-12 15:20:43 -0400 |
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committer | Dan McGee <dan@archlinux.org> | 2007-07-12 15:20:43 -0400 |
commit | 20f73d6299c08fa79c2c8edd3d1955e208e701cb (patch) | |
tree | 470b4e84b81009aaaf318c04cee3fa1dcb1e2b53 /lib/libalpm/versioncmp.c | |
parent | 653fb8fe036363dfb550785c45adcf26f6fcbfbc (diff) |
Remove versioncmp.{c,h}, clean up selective #ifdefs
Remove versioncmp.c by moving all functions to locations that make sense.
Move replacement functions (for building without glibc) into util.c where
they belong, and do proper checks for them instead of using __sun__, etc.
Signed-off-by: Dan McGee <dan@archlinux.org>
Diffstat (limited to 'lib/libalpm/versioncmp.c')
-rw-r--r-- | lib/libalpm/versioncmp.c | 294 |
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: */ |