2 * Copyright (c) 2007, Novell Inc.
4 * This program is licensed under the BSD license, read LICENSE.BSD
5 * for further information
8 /* pack/unpack functions for key data */
10 #ifndef SATSOLVER_REPOPACK_H
11 #define SATSOLVER_REPOPACK_H
13 static inline unsigned char *
14 data_read_id(unsigned char *dp, Id *idp)
26 x = (x << 7) ^ c ^ 128;
30 static inline unsigned char *
31 data_read_ideof(unsigned char *dp, Id *idp, int *eof)
50 x = (x << 7) ^ c ^ 128;
54 static inline unsigned char *
55 data_read_u32(unsigned char *dp, unsigned int *nump)
57 *nump = (dp[0] << 24) | (dp[1] << 16) | (dp[2] << 8) | dp[3];
61 static inline unsigned char *
62 data_fetch(unsigned char *dp, KeyValue *kv, Repokey *key)
69 case REPOKEY_TYPE_VOID:
71 case REPOKEY_TYPE_CONSTANT:
74 case REPOKEY_TYPE_CONSTANTID:
77 case REPOKEY_TYPE_STR:
78 kv->str = (const char *)dp;
79 return dp + strlen(kv->str) + 1;
81 case REPOKEY_TYPE_DIR:
82 return data_read_id(dp, &kv->id);
83 case REPOKEY_TYPE_NUM:
84 return data_read_id(dp, &kv->num);
85 case REPOKEY_TYPE_U32:
86 return data_read_u32(dp, (unsigned int *)&kv->num);
87 case REPOKEY_TYPE_MD5:
88 kv->str = (const char *)dp;
89 return dp + SIZEOF_MD5;
90 case REPOKEY_TYPE_SHA1:
91 kv->str = (const char *)dp;
92 return dp + SIZEOF_SHA1;
93 case REPOKEY_TYPE_SHA256:
94 kv->str = (const char *)dp;
95 return dp + SIZEOF_SHA256;
96 case REPOKEY_TYPE_IDARRAY:
97 return data_read_ideof(dp, &kv->id, &kv->eof);
98 case REPOKEY_TYPE_DIRSTRARRAY:
99 dp = data_read_ideof(dp, &kv->id, &kv->eof);
100 kv->str = (const char *)dp;
101 return dp + strlen(kv->str) + 1;
102 case REPOKEY_TYPE_DIRNUMNUMARRAY:
103 dp = data_read_id(dp, &kv->id);
104 dp = data_read_id(dp, &kv->num);
105 return data_read_ideof(dp, &kv->num2, &kv->eof);
106 case REPOKEY_TYPE_FIXARRAY:
107 dp = data_read_id(dp, &kv->num);
108 return data_read_id(dp, &kv->id);
109 case REPOKEY_TYPE_FLEXARRAY:
110 return data_read_id(dp, &kv->num);
116 static inline unsigned char *
117 data_skip(unsigned char *dp, int type)
122 case REPOKEY_TYPE_VOID:
123 case REPOKEY_TYPE_CONSTANT:
124 case REPOKEY_TYPE_CONSTANTID:
126 case REPOKEY_TYPE_ID:
127 case REPOKEY_TYPE_NUM:
128 case REPOKEY_TYPE_DIR:
129 while ((*dp & 0x80) != 0)
132 case REPOKEY_TYPE_U32:
134 case REPOKEY_TYPE_MD5:
135 return dp + SIZEOF_MD5;
136 case REPOKEY_TYPE_SHA1:
137 return dp + SIZEOF_SHA1;
138 case REPOKEY_TYPE_SHA256:
139 return dp + SIZEOF_SHA256;
140 case REPOKEY_TYPE_IDARRAY:
141 case REPOKEY_TYPE_REL_IDARRAY:
142 while ((*dp & 0xc0) != 0)
145 case REPOKEY_TYPE_STR:
149 case REPOKEY_TYPE_DIRSTRARRAY:
152 while ((*dp & 0x80) != 0)
161 case REPOKEY_TYPE_DIRNUMNUMARRAY:
164 while ((*dp & 0x80) != 0)
167 while ((*dp & 0x80) != 0)
170 while ((*dp & 0x80) != 0)
181 static inline unsigned char *
182 data_skip_verify(unsigned char *dp, int type, int maxid, int maxdir)
189 case REPOKEY_TYPE_VOID:
190 case REPOKEY_TYPE_CONSTANT:
191 case REPOKEY_TYPE_CONSTANTID:
193 case REPOKEY_TYPE_NUM:
194 while ((*dp & 0x80) != 0)
197 case REPOKEY_TYPE_U32:
199 case REPOKEY_TYPE_MD5:
200 return dp + SIZEOF_MD5;
201 case REPOKEY_TYPE_SHA1:
202 return dp + SIZEOF_SHA1;
203 case REPOKEY_TYPE_SHA256:
204 return dp + SIZEOF_SHA256;
205 case REPOKEY_TYPE_ID:
206 dp = data_read_id(dp, &id);
210 case REPOKEY_TYPE_DIR:
211 dp = data_read_id(dp, &id);
215 case REPOKEY_TYPE_IDARRAY:
218 dp = data_read_ideof(dp, &id, &eof);
224 case REPOKEY_TYPE_STR:
228 case REPOKEY_TYPE_DIRSTRARRAY:
231 dp = data_read_ideof(dp, &id, &eof);
240 case REPOKEY_TYPE_DIRNUMNUMARRAY:
243 dp = data_read_id(dp, &id);
246 while ((*dp & 0x80) != 0)
249 while ((*dp & 0x80) != 0)
260 unsigned char *data_skip_key(Repodata *data, unsigned char *dp, Repokey *key);
262 #endif /* SATSOLVER_REPOPACK */