2 * Copyright (c) 2007-2009, Novell Inc.
4 * This program is licensed under the BSD license, read LICENSE.BSD
5 * for further information
20 #ifdef DEBIAN_SEMANTICS
23 vercmp(const char *s1, const char *q1, const char *s2, const char *q2)
28 c1 = s1 < q1 ? *(const unsigned char *)s1++ : 0;
29 c2 = s2 < q2 ? *(const unsigned char *)s2++ : 0;
30 if ((c1 >= '0' && c1 <= '9') && (c2 >= '0' && c2 <= '9'))
33 c1 = s1 < q1 ? *(const unsigned char *)s1++ : 0;
35 c2 = s2 < q2 ? *(const unsigned char *)s2++ : 0;
37 while ((c1 >= '0' && c1 <= '9') && (c2 >= '0' && c2 <= '9'))
41 c1 = s1 < q1 ? *(const unsigned char *)s1++ : 0;
42 c2 = s2 < q2 ? *(const unsigned char *)s2++ : 0;
44 if (c1 >= '0' && c1 <= '9')
46 if (c2 >= '0' && c2 <= '9')
49 return r < 0 ? -1 : 1;
51 c1 = c1 == '~' ? -1 : !c1 || (c1 >= '0' && c1 <= '9') || (c1 >= 'A' && c1 <= 'Z') || (c1 >= 'a' && c1 <= 'z') ? c1 : c1 + 256;
52 c2 = c2 == '~' ? -1 : !c2 || (c2 >= '0' && c2 <= '9') || (c2 >= 'A' && c2 <= 'Z') || (c2 >= 'a' && c2 <= 'z') ? c2 : c2 + 256;
55 return r < 0 ? -1 : 1;
64 vercmp(const char *s1, const char *q1, const char *s2, const char *q2)
69 while (s1 < q1 && s2 < q2)
71 while (s1 < q1 && !(*s1 >= '0' && *s1 <= '9') &&
72 !(*s1 >= 'a' && *s1 <= 'z') && !(*s1 >= 'A' && *s1 <= 'Z'))
74 while (s2 < q2 && !(*s2 >= '0' && *s2 <= '9') &&
75 !(*s2 >= 'a' && *s2 <= 'z') && !(*s2 >= 'A' && *s2 <= 'Z'))
77 if ((*s1 >= '0' && *s1 <= '9') || (*s2 >= '0' && *s2 <= '9'))
79 while (*s1 == '0' && s1[1] >= '0' && s1[1] <= '9')
81 while (*s2 == '0' && s2[1] >= '0' && s2[1] <= '9')
83 for (e1 = s1; *e1 >= '0' && *e1 <= '9'; )
85 for (e2 = s2; *e2 >= '0' && *e2 <= '9'; )
87 r = e1 - s1 - (e2 - s2);
89 r = strncmp(s1, s2, e1 - s1);
91 return r > 0 ? 1 : -1;
95 for (e1 = s1; (*e1 >= 'a' && *e1 <= 'z') || (*e1 >= 'A' && *e1 <= 'Z'); )
97 for (e2 = s2; (*e2 >= 'a' && *e2 <= 'z') || (*e2 >= 'A' && *e2 <= 'Z'); )
99 r = e1 - s1 - (e2 - s2);
102 r = strncmp(s1, s2, e2 - s2);
103 return r >= 0 ? 1 : -1;
107 r = strncmp(s1, s2, e1 - s1);
108 return r <= 0 ? -1 : 1;
110 r = strncmp(s1, s2, e1 - s1);
112 return r > 0 ? 1 : -1;
117 return s1 < q1 ? 1 : s2 < q2 ? -1 : 0;
123 /* edition (e:v-r) compare */
125 evrcmp_str(Pool *pool, const char *evr1, const char *evr2, int mode)
135 POOL_DEBUG(DEBUG_EVRCMP, "evrcmp %s %s mode=%d\n", evr1, evr2, mode);
137 for (s1 = evr1; *s1 >= '0' && *s1 <= '9'; s1++)
139 for (s2 = evr2; *s2 >= '0' && *s2 <= '9'; s2++)
141 if (mode == EVRCMP_MATCH && (*evr1 == ':' || *evr2 == ':'))
143 /* empty epoch, skip epoch check */
151 if (s1 == evr1 || *s1 != ':')
153 if (s2 == evr2 || *s2 != ':')
157 r = vercmp(evr1, s1, evr2, s2);
165 if (!pool->promoteepoch)
182 for (s1 = evr1, r1 = 0; *s1; s1++)
185 for (s2 = evr2, r2 = 0; *s2; s2++)
190 if (mode != EVRCMP_MATCH || (evr1 != (r1 ? r1 : s1) && evr2 != (r2 ? r2 : s2)))
191 r = vercmp(evr1, r1 ? r1 : s1, evr2, r2 ? r2 : s2);
195 if (mode == EVRCMP_COMPARE)
204 if (s1 != ++r1 && s2 != ++r2)
205 r = vercmp(r1, s1, r2, s2);
211 evrcmp(Pool *pool, Id evr1id, Id evr2id, int mode)
213 const char *evr1, *evr2;
214 if (evr1id == evr2id)
216 evr1 = id2str(pool, evr1id);
217 evr2 = id2str(pool, evr2id);
218 return evrcmp_str(pool, evr1, evr2, mode);
222 evrmatch(Pool *pool, Id evrid, const char *epoch, const char *version, const char *release)
229 evr1 = id2str(pool, evrid);
230 for (s1 = evr1; *s1 >= '0' && *s1 <= '9'; s1++)
232 if (s1 != evr1 && *s1 == ':')
236 r = vercmp(evr1, s1, epoch, epoch + strlen(epoch));
244 while (*epoch == '0')
249 for (s1 = evr1, r1 = 0; *s1; s1++)
254 r = vercmp(evr1, r1 ? r1 : s1, version, version + strlen(version));
262 r = vercmp(r1 + 1, s1, release, release + strlen(release));