renamed rpmvercmp to versioncmp, added some fixes from isteve@bofh.cz

8 files changed, 82 insertions, 56 deletions

diff --git a/lib/libalpm/Makefile.am b/lib/libalpm/Makefile.am
index bc49af26..42b9b80c 100644
--- a/lib/libalpm/Makefile.am
+++ b/lib/libalpm/Makefile.am
@@ -15,7 +15,7 @@ TARGETS = md5driver.c \
 	conflict.c \
 	deps.c \
 	provide.c \
-	rpmvercmp.c \
+	versioncmp.c \
 	backup.c \
 	trans.c \
 	add.c \
diff --git a/lib/libalpm/add.c b/lib/libalpm/add.c
index 689172c5..e382fa14 100644
--- a/lib/libalpm/add.c
+++ b/lib/libalpm/add.c
@@ -35,7 +35,7 @@
 #include "error.h"
 #include "list.h"
 #include "cache.h"
-#include "rpmvercmp.h"
+#include "versioncmp.h"
 #include "md5.h"
 #include "log.h"
 #include "backup.h"
@@ -137,7 +137,7 @@ int add_loadtarget(pmtrans_t *trans, pmdb_t *db, char *name)
 		if(trans->flags & PM_TRANS_FLAG_FRESHEN) {
 			/* only upgrade/install this package if it is already installed and at a lesser version */
 			dummy = db_get_pkgfromcache(db, pkgname);
-			if(dummy == NULL || rpmvercmp(dummy->version, pkgver) >= 0) {
+			if(dummy == NULL || versioncmp(dummy->version, pkgver) >= 0) {
 				pm_errno = PM_ERR_PKG_CANT_FRESH;
 				goto error;
 			}
@@ -149,7 +149,7 @@ int add_loadtarget(pmtrans_t *trans, pmdb_t *db, char *name)
 	for(i = trans->packages; i; i = i->next) {
 		pmpkg_t *pkg = i->data;
 		if(strcmp(pkg->name, pkgname) == 0) {
-			if(rpmvercmp(pkg->version, pkgver) < 0) {
+			if(versioncmp(pkg->version, pkgver) < 0) {
 				_alpm_log(PM_LOG_WARNING, "replacing older version of %s %s by %s in target list", pkg->name, pkg->version, pkgver);
 				FREEPKG(i->data);
 				i->data = pkg_load(name);
diff --git a/lib/libalpm/alpm.c b/lib/libalpm/alpm.c
index 3afe0301..510d898e 100644
--- a/lib/libalpm/alpm.c
+++ b/lib/libalpm/alpm.c
@@ -34,7 +34,7 @@
 /* pacman */
 #include "log.h"
 #include "error.h"
-#include "rpmvercmp.h"
+#include "versioncmp.h"
 #include "md5.h"
 #include "list.h"
 #include "package.h"
@@ -479,7 +479,7 @@ int alpm_pkg_free(pmpkg_t *pkg)
 
 int alpm_pkg_vercmp(const char *ver1, const char *ver2)
 {
-	return(rpmvercmp(ver1, ver2));
+	return(versioncmp(ver1, ver2));
 }
 /** @} */
 
diff --git a/lib/libalpm/deps.c b/lib/libalpm/deps.c
index e794ae52..87d97053 100644
--- a/lib/libalpm/deps.c
+++ b/lib/libalpm/deps.c
@@ -32,7 +32,7 @@
 #include "cache.h"
 #include "provide.h"
 #include "deps.h"
-#include "rpmvercmp.h"
+#include "versioncmp.h"
 #include "handle.h"
 
 extern pmhandle_t *handle;
@@ -193,7 +193,7 @@ PMList *checkdeps(pmdb_t *db, unsigned char op, PMList *packages)
 						for(ptr = ver; *ptr != '-'; ptr++);
 						*ptr = '\0';
 					}
-					cmp = rpmvercmp(ver, depend.version);
+					cmp = versioncmp(ver, depend.version);
 					switch(depend.mod) {
 						case PM_DEP_MOD_EQ: found = (cmp == 0); break;
 						case PM_DEP_MOD_GE: found = (cmp >= 0); break;
@@ -330,7 +330,7 @@ PMList *checkdeps(pmdb_t *db, unsigned char op, PMList *packages)
 								for(ptr = ver; *ptr != '-'; ptr++);
 								*ptr = '\0';
 							}
-							cmp = rpmvercmp(ver, depend.version);
+							cmp = versioncmp(ver, depend.version);
 							switch(depend.mod) {
 								case PM_DEP_MOD_EQ: found = (cmp == 0); break;
 								case PM_DEP_MOD_GE: found = (cmp >= 0); break;
@@ -358,7 +358,7 @@ PMList *checkdeps(pmdb_t *db, unsigned char op, PMList *packages)
 								for(ptr = ver; *ptr != '-'; ptr++);
 								*ptr = '\0';
 							}
-							cmp = rpmvercmp(ver, depend.version);
+							cmp = versioncmp(ver, depend.version);
 							switch(depend.mod) {
 								case PM_DEP_MOD_EQ: found = (cmp == 0); break;
 								case PM_DEP_MOD_GE: found = (cmp >= 0); break;
@@ -387,7 +387,7 @@ PMList *checkdeps(pmdb_t *db, unsigned char op, PMList *packages)
 								for(ptr = ver; *ptr != '-'; ptr++);
 								*ptr = '\0';
 							}
-							cmp = rpmvercmp(ver, depend.version);
+							cmp = versioncmp(ver, depend.version);
 							switch(depend.mod) {
 								case PM_DEP_MOD_EQ: found = (cmp == 0); break;
 								case PM_DEP_MOD_GE: found = (cmp >= 0); break;
diff --git a/lib/libalpm/remove.c b/lib/libalpm/remove.c
index 0e335906..47350bd6 100644
--- a/lib/libalpm/remove.c
+++ b/lib/libalpm/remove.c
@@ -33,7 +33,7 @@
 /* pacman */
 #include "util.h"
 #include "error.h"
-#include "rpmvercmp.h"
+#include "versioncmp.h"
 #include "md5.h"
 #include "log.h"
 #include "backup.h"
diff --git a/lib/libalpm/sync.c b/lib/libalpm/sync.c
index 7e36fd11..9facd95f 100644
--- a/lib/libalpm/sync.c
+++ b/lib/libalpm/sync.c
@@ -40,7 +40,7 @@
 #include "deps.h"
 #include "trans.h"
 #include "sync.h"
-#include "rpmvercmp.h"
+#include "versioncmp.h"
 #include "handle.h"
 #include "alpm.h"
 
@@ -214,7 +214,7 @@ int sync_sysupgrade(pmtrans_t *trans, pmdb_t *db_local, PMList *dbs_sync)
 		}
 
 		/* compare versions and see if we need to upgrade */
-		cmp = rpmvercmp(local->version, spkg->version);
+		cmp = versioncmp(local->version, spkg->version);
 		if(cmp > 0 && !spkg->force) {
 			/* local version is newer */
 			_alpm_log(PM_LOG_FLOW1, "%s-%s: local version is newer",
diff --git a/lib/libalpm/rpmvercmp.c b/lib/libalpm/versioncmp.c
index 4667083e..bbcfb60a 100644
--- a/lib/libalpm/rpmvercmp.c
+++ b/lib/libalpm/versioncmp.c
@@ -1,5 +1,5 @@
 /*
- *  rpmvercmp.c
+ *  versioncmp.c
  * 
  *  Copyright (c) 2002-2005 by Judd Vinet <jvinet@zeroflux.org>
  * 
@@ -24,7 +24,7 @@
 #include <ctype.h>
 #include <string.h>
 /* pacman */
-#include "rpmvercmp.h"
+#include "versioncmp.h"
 
 #ifndef HAVE_STRVERSCMP
 /* GNU's strverscmp() function, taken from glibc 2.3.2 sources
@@ -140,35 +140,37 @@ static int strverscmp (s1, s2)
 #endif
 
 /* this function was taken from rpm 4.0.4 and rewritten */
-int rpmvercmp(const char *a, const char *b)
-{
-	char str1[64], str2[64];
-	char *ptr1, *ptr2;
+int versioncmp(const char *a, const char *b) {
+	char *str1, *ostr1, *str2, *ostr2;
 	char *one, *two;
 	char *rel1 = NULL, *rel2 = NULL;
 	char oldch1, oldch2;
 	int is1num, is2num;
-	int rc;
-
-	if(!strcmp(a,b)) {
+	int rc, rv;
+	
+	if (!strcmp(a,b)) {
 		return(0);
 	}
 
-	strncpy(str1, a, 64);
-	str1[63] = 0;
-	strncpy(str2, b, 64);
-	str2[63] = 0;
+	str1 = strdup(a);
+	ostr1 = str1;
+	str2 = strdup(b);
+	ostr2 = str2;
 
 	/* lose the release number */
 	for(one = str1; *one && *one != '-'; one++);
-	if(one) {
+	if(*one) {
 		*one = '\0';
 		rel1 = ++one;
+		if (*rel1 == '\0')
+			rel1 = NULL;
 	}
 	for(two = str2; *two && *two != '-'; two++);
-	if(two) {
+	if(*two) {
 		*two = '\0';
 		rel2 = ++two;
+		if (*rel2 == '\0')
+			rel2 = NULL;
 	}
 
 	one = str1;
@@ -178,58 +180,82 @@ int rpmvercmp(const char *a, const char *b)
 		while(*one && !isalnum(*one)) one++;
 		while(*two && !isalnum(*two)) two++;
 
-		ptr1 = one;
-		ptr2 = two;
+		str1 = one;
+		str2 = two;
 
 		/* find the next segment for each string */
-		if(isdigit(*ptr1)) {
+		if(isdigit(*str1)) {
 			is1num = 1;
-			while(*ptr1 && isdigit(*ptr1)) ptr1++;
+			while(*str1 && isdigit(*str1)) str1++;
 		} else {
 			is1num = 0;
-			while(*ptr1 && isalpha(*ptr1)) ptr1++;
+			while(*str1 && isalpha(*str1)) str1++;
 		}
-		if(isdigit(*ptr2)) {
+		if(isdigit(*str2)) {
 			is2num = 1;
-			while(*ptr2 && isdigit(*ptr2)) ptr2++;
+			while(*str2 && isdigit(*str2)) str2++;
 		} else {
 			is2num = 0;
-			while(*ptr2 && isalpha(*ptr2)) ptr2++;
+			while(*str2 && isalpha(*str2)) str2++;
 		}
 
-		oldch1 = *ptr1;
-		*ptr1 = '\0';
-		oldch2 = *ptr2;
-		*ptr2 = '\0';
+		oldch1 = *str1;
+		*str1 = '\0';
+		oldch2 = *str2;
+		*str2 = '\0';
 
 		/* see if we ran out of segments on one string */
-		if(one == ptr1 && two != ptr2) {
+		if(one == str1 && two != str2) {
+			free(ostr1);
+			free(ostr2);
 			return(is2num ? -1 : 1);
 		}
-		if(one != ptr1 && two == ptr2) {
+		if(one != str1 && two == str2) {
+			free(ostr1);
+			free(ostr2);
 			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 && !is2num) {
+			free(ostr1);
+			free(ostr2);
+			return(1);
+		}
+		if(!is1num && is2num) { 
+			free(ostr1);
+			free(ostr2);
+			return(-1);
+		}
 
 		if(is1num) while(*one == '0') one++;
 		if(is2num) while(*two == '0') two++;
 
 		rc = strverscmp(one, two);
-		if(rc) return(rc);
+		if(rc) { 
+			free(ostr1);
+			free(ostr2);
+			return(rc);
+		}
 
-		*ptr1 = oldch1;
-		*ptr2 = oldch2;
-		one = ptr1;
-		two = ptr2;
+		*str1 = oldch1;
+		*str2 = oldch2;
+		one = str1;
+		two = str2;
 	}
 
 	if((!*one) && (!*two)) {
 		/* compare release numbers */
-		if(rel1 && rel2) return(rpmvercmp(rel1, rel2));
-		return(0);
+		if(rel1 && rel2) {
+			rv = versioncmp(rel1, rel2);
+			free(ostr1);
+			free(ostr2);
+			return rv;
+		} else {
+			free(ostr1);
+			free(ostr2);
+			return(0);
+		}
 	}
 
 	return(*one ? 1 : -1);
diff --git a/lib/libalpm/rpmvercmp.h b/lib/libalpm/versioncmp.h
index e88d5c97..78f553a1 100644
--- a/lib/libalpm/rpmvercmp.h
+++ b/lib/libalpm/versioncmp.h
@@ -1,5 +1,5 @@
 /*
- *  rpmvercmp.h
+ *  versioncmp.h
  * 
  *  Copyright (c) 2002 by Judd Vinet <jvinet@zeroflux.org>
  * 
@@ -18,10 +18,10 @@
  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 
  *  USA.
  */
-#ifndef _PM_RPMVERCMP_H
-#define _PM_RPMVERCMP_H
+#ifndef _PM_VERSIONCMP_H
+#define _PM_VERSIONCMP_H
 
-int rpmvercmp(const char *a, const char *b);
+int versioncmp(const char *a, const char *b);
 
 #endif