/*
+ * Copyright (c) 2007-2009, Novell Inc.
+ *
+ * This program is licensed under the BSD license, read LICENSE.BSD
+ * for further information
+ */
+
+/*
* evr.c
*
* version compare
*/
+#include <ctype.h>
#include <stdio.h>
#include <string.h>
#include "evr.h"
#include "pool.h"
+
+
+#if defined(DEBIAN) || defined(MULTI_SEMANTICS)
+
+/* debian type version compare */
+int
+solv_vercmp_deb(const char *s1, const char *q1, const char *s2, const char *q2)
+{
+ int r, c1, c2;
+ while (1)
+ {
+ c1 = s1 < q1 ? *(const unsigned char *)s1++ : 0;
+ c2 = s2 < q2 ? *(const unsigned char *)s2++ : 0;
+ if ((c1 >= '0' && c1 <= '9') && (c2 >= '0' && c2 <= '9'))
+ {
+ while (c1 == '0')
+ c1 = s1 < q1 ? *(const unsigned char *)s1++ : 0;
+ while (c2 == '0')
+ c2 = s2 < q2 ? *(const unsigned char *)s2++ : 0;
+ r = 0;
+ while ((c1 >= '0' && c1 <= '9') && (c2 >= '0' && c2 <= '9'))
+ {
+ if (!r)
+ r = c1 - c2;
+ c1 = s1 < q1 ? *(const unsigned char *)s1++ : 0;
+ c2 = s2 < q2 ? *(const unsigned char *)s2++ : 0;
+ }
+ if (c1 >= '0' && c1 <= '9')
+ return 1;
+ if (c2 >= '0' && c2 <= '9')
+ return -1;
+ if (r)
+ return r < 0 ? -1 : 1;
+ }
+ c1 = c1 == '~' ? -1 : !c1 || (c1 >= '0' && c1 <= '9') || (c1 >= 'A' && c1 <= 'Z') || (c1 >= 'a' && c1 <= 'z') ? c1 : c1 + 256;
+ c2 = c2 == '~' ? -1 : !c2 || (c2 >= '0' && c2 <= '9') || (c2 >= 'A' && c2 <= 'Z') || (c2 >= 'a' && c2 <= 'z') ? c2 : c2 + 256;
+ r = c1 - c2;
+ if (r)
+ return r < 0 ? -1 : 1;
+ if (!c1)
+ return 0;
+ }
+}
+
+#endif
+
+#if !defined(DEBIAN) || defined(MULTI_SEMANTICS)
+
+/* rpm type version compare */
+/* note: the code assumes that *q1 and *q2 are not alphanumeric! */
+
int
-vercmp(const char *s1, const char *q1, const char *s2, const char *q2)
+solv_vercmp_rpm(const char *s1, const char *q1, const char *s2, const char *q2)
+{
+ int r = 0;
+ const char *e1, *e2;
+
+ for (;;)
+ {
+ while (s1 < q1 && !(*s1 >= '0' && *s1 <= '9') &&
+ !(*s1 >= 'a' && *s1 <= 'z') && !(*s1 >= 'A' && *s1 <= 'Z') && *s1 != '~' && *s1 != '^')
+ s1++;
+ while (s2 < q2 && !(*s2 >= '0' && *s2 <= '9') &&
+ !(*s2 >= 'a' && *s2 <= 'z') && !(*s2 >= 'A' && *s2 <= 'Z') && *s2 != '~' && *s2 != '^')
+ s2++;
+ if (s1 < q1 && *s1 == '~')
+ {
+ if (s2 < q2 && *s2 == '~')
+ {
+ s1++;
+ s2++;
+ continue;
+ }
+ return -1;
+ }
+ if (s2 < q2 && *s2 == '~')
+ return 1;
+ if (s1 < q1 && *s1 == '^')
+ {
+ if (s2 < q2 && *s2 == '^')
+ {
+ s1++;
+ s2++;
+ continue;
+ }
+ return s2 < q2 ? -1 : 1;
+ }
+ if (s2 < q2 && *s2 == '^')
+ return s1 < q1 ? 1 : -1;
+ if (s1 >= q1 || s2 >= q2)
+ break;
+ if ((*s1 >= '0' && *s1 <= '9') || (*s2 >= '0' && *s2 <= '9'))
+ {
+ while (*s1 == '0' && s1[1] >= '0' && s1[1] <= '9')
+ s1++;
+ while (*s2 == '0' && s2[1] >= '0' && s2[1] <= '9')
+ s2++;
+ for (e1 = s1; *e1 >= '0' && *e1 <= '9'; )
+ e1++;
+ for (e2 = s2; *e2 >= '0' && *e2 <= '9'; )
+ e2++;
+ r = (e1 - s1) - (e2 - s2);
+ if (!r)
+ r = strncmp(s1, s2, e1 - s1);
+ if (r)
+ return r > 0 ? 1 : -1;
+ }
+ else
+ {
+ for (e1 = s1; (*e1 >= 'a' && *e1 <= 'z') || (*e1 >= 'A' && *e1 <= 'Z'); )
+ e1++;
+ for (e2 = s2; (*e2 >= 'a' && *e2 <= 'z') || (*e2 >= 'A' && *e2 <= 'Z'); )
+ e2++;
+ r = (e1 - s1) - (e2 - s2);
+ if (r > 0)
+ {
+ r = strncmp(s1, s2, e2 - s2);
+ return r >= 0 ? 1 : -1;
+ }
+ if (r < 0)
+ {
+ r = strncmp(s1, s2, e1 - s1);
+ return r <= 0 ? -1 : 1;
+ }
+ r = strncmp(s1, s2, e1 - s1);
+ if (r)
+ return r > 0 ? 1 : -1;
+ }
+ s1 = e1;
+ s2 = e2;
+ }
+ return s1 < q1 ? 1 : s2 < q2 ? -1 : 0;
+}
+
+int
+solv_vercmp_rpm_notilde(const char *s1, const char *q1, const char *s2, const char *q2)
{
int r = 0;
const char *e1, *e2;
e1++;
for (e2 = s2; *e2 >= '0' && *e2 <= '9'; )
e2++;
- r = e1 - s1 - (e2 - s2);
+ r = (e1 - s1) - (e2 - s2);
if (!r)
r = strncmp(s1, s2, e1 - s1);
if (r)
e1++;
for (e2 = s2; (*e2 >= 'a' && *e2 <= 'z') || (*e2 >= 'A' && *e2 <= 'Z'); )
e2++;
- r = e1 - s1 - (e2 - s2);
+ r = (e1 - s1) - (e2 - s2);
if (r > 0)
{
r = strncmp(s1, s2, e2 - s2);
return s1 < q1 ? 1 : s2 < q2 ? -1 : 0;
}
+#endif
+
+#if defined(HAIKU) || defined(MULTI_SEMANTICS)
+
+static int
+solv_cmp_version_part_haiku(const char *s1, const char *q1, const char *s2,
+ const char *q2)
+{
+ while (s1 < q1 && s2 < q2)
+ {
+ int cmp, len1, len2;
+ const char *part1 = s1, *part2 = s2;
+
+ /* compare non-number part */
+ while (s1 < q1 && !isdigit(*s1))
+ s1++;
+ while (s2 < q2 && !isdigit(*s2))
+ s2++;
+
+ if (part1 != s1)
+ {
+ if (part2 == s2)
+ return 1;
+
+ len1 = s1 - part1;
+ len2 = s2 - part2;
+ cmp = strncmp(part1, part2, len1 < len2 ? len1 : len2);
+ if (cmp != 0)
+ return cmp;
+ if (len1 != len2)
+ return len1 - len2;
+ }
+ else if (part2 != s2)
+ return -1;
+
+ /* compare number part */
+ part1 = s1;
+ part2 = s2;
+
+ while (s1 < q1 && isdigit(*s1))
+ s1++;
+ while (s2 < q2 && isdigit(*s2))
+ s2++;
+
+ while (part1 + 1 < s1 && *part1 == '0')
+ part1++;
+ while (part2 + 1 < s2 && *part2 == '0')
+ part2++;
+
+ len1 = s1 - part1;
+ len2 = s2 - part2;
+ if (len1 != len2)
+ return len1 - len2;
+ if (len1 == 0)
+ return 0;
+
+ cmp = strncmp(part1, part2, len1);
+ if (cmp != 0)
+ return cmp;
+ }
+
+ return s1 < q1 ? 1 : s2 < q2 ? -1 : 0;
+}
-// edition (e:v-r) compare
int
-evrcmp(Pool *pool, Id evr1id, Id evr2id)
+solv_vercmp_haiku(const char *s1, const char *q1, const char *s2, const char *q2)
+{
+ const char *pre1 = s1;
+ const char *pre2 = s2;
+ int cmp;
+
+ /* find pre-release separator */
+ while (pre1 != q1 && *pre1 != '~')
+ pre1++;
+ while (pre2 != q2 && *pre2 != '~')
+ pre2++;
+
+ /* compare main versions */
+ cmp = solv_cmp_version_part_haiku(s1, pre1, s2, pre2);
+ if (cmp != 0)
+ return cmp < 0 ? -1 : 1; /* must return -1, 0, or 1 */
+
+ /* main versions are equal -- compare pre-release (none is greatest) */
+ if (pre1 == q1)
+ return pre2 == q2 ? 0 : 1;
+ if (pre2 == q2)
+ return -1;
+
+ cmp = solv_cmp_version_part_haiku(pre1 + 1, q1, pre2 + 1, q2);
+ return cmp == 0 ? 0 : cmp < 0 ? -1 : 1; /* must return -1, 0, or 1 */
+}
+
+#endif /* HAIKU */
+
+
+/*
+ * the solv_vercmp variant your system uses.
+ */
+int
+solv_vercmp(const char *s1, const char *q1, const char *s2, const char *q2)
+{
+#if defined(DEBIAN)
+ return solv_vercmp_deb(s1, q1, s2, q2);
+#elif defined(ARCHLINUX)
+ return solv_vercmp_rpm_notilde(s1, q1, s2, q2);
+#elif defined(HAIKU)
+ return solv_vercmp_haiku(s1, q1, s2, q2);
+#else
+ return solv_vercmp_rpm(s1, q1, s2, q2);
+#endif
+}
+
+#if defined(MULTI_SEMANTICS)
+# define solv_vercmp (*(pool->disttype == DISTTYPE_DEB ? &solv_vercmp_deb : \
+ pool->disttype == DISTTYPE_HAIKU ? solv_vercmp_haiku : \
+ &solv_ver##cmp_rpm))
+#elif defined(DEBIAN)
+# define solv_vercmp solv_vercmp_deb
+#elif defined(ARCHLINUX)
+# define solv_vercmp solv_vercmp_rpm_notilde
+#elif defined(HAIKU)
+# define solv_vercmp solv_vercmp_haiku
+#else
+# define solv_vercmp solv_vercmp_rpm
+#endif
+
+/* edition (e:v-r) compare */
+int
+pool_evrcmp_str(const Pool *pool, const char *evr1, const char *evr2, int mode)
{
int r;
- const char *evr1, *evr2;
const char *s1, *s2;
const char *r1, *r2;
- if (evr1id == evr2id)
+ if (evr1 == evr2)
return 0;
- evr1 = id2str(pool, evr1id);
- evr2 = id2str(pool, evr2id);
#if 0
- printf("evrcmp %s %s\n", evr1, evr2);
+ POOL_DEBUG(DEBUG_EVRCMP, "evrcmp %s %s mode=%d\n", evr1, evr2, mode);
#endif
for (s1 = evr1; *s1 >= '0' && *s1 <= '9'; s1++)
;
for (s2 = evr2; *s2 >= '0' && *s2 <= '9'; s2++)
;
+ if (mode == EVRCMP_MATCH && (*evr1 == ':' || *evr2 == ':'))
+ {
+ /* empty epoch, skip epoch check */
+ if (*s1 == ':')
+ evr1 = s1 + 1;
+ if (*s2 == ':')
+ evr2 = s2 + 1;
+ s1 = evr1;
+ s2 = evr2;
+ }
+
+ /* compare the epoch */
if (s1 == evr1 || *s1 != ':')
s1 = 0;
if (s2 == evr2 || *s2 != ':')
s2 = 0;
if (s1 && s2)
{
- r = vercmp(evr1, s1, evr2, s2);
+ r = solv_vercmp(evr1, s1, evr2, s2);
if (r)
return r;
evr1 = s1 + 1;
return -1;
evr2 = s2 + 1;
}
+
+ /* same epoch, now split into version/release */
for (s1 = evr1, r1 = 0; *s1; s1++)
if (*s1 == '-')
r1 = s1;
for (s2 = evr2, r2 = 0; *s2; s2++)
if (*s2 == '-')
r2 = s2;
- r = vercmp(evr1, r1 ? r1 : s1, evr2, r2 ? r2 : s2);
+ r = 0;
+ if (mode != EVRCMP_MATCH || (evr1 != (r1 ? r1 : s1) && evr2 != (r2 ? r2 : s2)))
+ r = solv_vercmp(evr1, r1 ? r1 : s1, evr2, r2 ? r2 : s2);
if (r)
return r;
+
+ if (mode == EVRCMP_COMPARE)
+ {
+ if (!r1 && r2)
+ return -1;
+ if (r1 && !r2)
+ return 1;
+ }
+ if (mode == EVRCMP_COMPARE_EVONLY)
+ return 0;
+ if (mode == EVRCMP_MATCH_RELEASE)
+ {
+ /* rpm treats empty releases as missing, i.e "foo = 4-" is the same as "foo = 4" */
+ if (r1 && r1 + 1 == s1)
+ r1 = 0;
+ if (r2 && r2 + 1 == s2)
+ r2 = 0;
+ }
if (r1 && r2)
{
- if (s1 != ++r1 && s2 != ++r2)
- r = vercmp(r1, s1, r2, s2);
+ r1++;
+ r2++;
+ if (mode != EVRCMP_MATCH || (s1 != r1 && s2 != r2))
+ {
+ if (pool->havedistepoch)
+ {
+ const char *d1, *d2;
+ for (d1 = r1; d1 < s1; d1++)
+ if (*d1 == ':')
+ break;
+ for (d2 = r2; d2 < s2; d2++)
+ if (*d2 == ':')
+ break;
+ /* XXX: promote just in one direction? */
+ r = solv_vercmp(r1, d1 ? d1 : s1, r2, d2 ? d2 : s2);
+ if (r == 0 && d1 < s1 && d2 < s2)
+ r = solv_vercmp(d1 + 1, s1, d2 + 1, s2);
+ }
+ else
+ r = solv_vercmp(r1, s1, r2, s2);
+ }
+ }
+ else if (mode == EVRCMP_MATCH_RELEASE)
+ {
+ if (!r1 && r2)
+ return -2;
+ if (r1 && !r2)
+ return 2;
}
return r;
}
-// EOF
+int
+pool_evrcmp(const Pool *pool, Id evr1id, Id evr2id, int mode)
+{
+ const char *evr1, *evr2;
+ if (evr1id == evr2id)
+ return 0;
+ evr1 = pool_id2str(pool, evr1id);
+ evr2 = pool_id2str(pool, evr2id);
+ return pool_evrcmp_str(pool, evr1, evr2, mode);
+}
+
+int
+pool_evrmatch(const Pool *pool, Id evrid, const char *epoch, const char *version, const char *release)
+{
+ const char *evr1;
+ const char *s1;
+ const char *r1;
+ int r;
+
+ evr1 = pool_id2str(pool, evrid);
+ for (s1 = evr1; *s1 >= '0' && *s1 <= '9'; s1++)
+ ;
+ if (s1 != evr1 && *s1 == ':')
+ {
+ if (epoch)
+ {
+ r = solv_vercmp(evr1, s1, epoch, epoch + strlen(epoch));
+ if (r)
+ return r;
+ }
+ evr1 = s1 + 1;
+ }
+ else if (epoch)
+ {
+ while (*epoch == '0')
+ epoch++;
+ if (*epoch)
+ return -1;
+ }
+ for (s1 = evr1, r1 = 0; *s1; s1++)
+ if (*s1 == '-')
+ r1 = s1;
+ if (version)
+ {
+ r = solv_vercmp(evr1, r1 ? r1 : s1, version, version + strlen(version));
+ if (r)
+ return r;
+ }
+ if (release)
+ {
+ if (!r1)
+ return -1;
+ r = solv_vercmp(r1 + 1, s1, release, release + strlen(release));
+ if (r)
+ return r;
+ }
+ return 0;
+}
+