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_BINARY:
97 dp = data_read_id(dp, &kv->num);
98 kv->str = (const char *)dp;
100 case REPOKEY_TYPE_IDARRAY:
101 return data_read_ideof(dp, &kv->id, &kv->eof);
102 case REPOKEY_TYPE_DIRSTRARRAY:
103 dp = data_read_ideof(dp, &kv->id, &kv->eof);
104 kv->str = (const char *)dp;
105 return dp + strlen(kv->str) + 1;
106 case REPOKEY_TYPE_DIRNUMNUMARRAY:
107 dp = data_read_id(dp, &kv->id);
108 dp = data_read_id(dp, &kv->num);
109 return data_read_ideof(dp, &kv->num2, &kv->eof);
110 case REPOKEY_TYPE_FIXARRAY:
111 dp = data_read_id(dp, &kv->num);
112 return data_read_id(dp, &kv->id);
113 case REPOKEY_TYPE_FLEXARRAY:
114 return data_read_id(dp, &kv->num);
120 static inline unsigned char *
121 data_skip(unsigned char *dp, int type)
126 case REPOKEY_TYPE_VOID:
127 case REPOKEY_TYPE_CONSTANT:
128 case REPOKEY_TYPE_CONSTANTID:
129 case REPOKEY_TYPE_DELETED:
131 case REPOKEY_TYPE_ID:
132 case REPOKEY_TYPE_NUM:
133 case REPOKEY_TYPE_DIR:
134 while ((*dp & 0x80) != 0)
137 case REPOKEY_TYPE_U32:
139 case REPOKEY_TYPE_MD5:
140 return dp + SIZEOF_MD5;
141 case REPOKEY_TYPE_SHA1:
142 return dp + SIZEOF_SHA1;
143 case REPOKEY_TYPE_SHA256:
144 return dp + SIZEOF_SHA256;
145 case REPOKEY_TYPE_IDARRAY:
146 case REPOKEY_TYPE_REL_IDARRAY:
147 while ((*dp & 0xc0) != 0)
150 case REPOKEY_TYPE_STR:
154 case REPOKEY_TYPE_BINARY:
157 dp = data_read_id(dp, &len);
160 case REPOKEY_TYPE_DIRSTRARRAY:
163 while ((*dp & 0x80) != 0)
172 case REPOKEY_TYPE_DIRNUMNUMARRAY:
175 while ((*dp & 0x80) != 0)
178 while ((*dp & 0x80) != 0)
181 while ((*dp & 0x80) != 0)
192 static inline unsigned char *
193 data_skip_verify(unsigned char *dp, int type, int maxid, int maxdir)
200 case REPOKEY_TYPE_VOID:
201 case REPOKEY_TYPE_CONSTANT:
202 case REPOKEY_TYPE_CONSTANTID:
203 case REPOKEY_TYPE_DELETED:
205 case REPOKEY_TYPE_NUM:
206 while ((*dp & 0x80) != 0)
209 case REPOKEY_TYPE_U32:
211 case REPOKEY_TYPE_MD5:
212 return dp + SIZEOF_MD5;
213 case REPOKEY_TYPE_SHA1:
214 return dp + SIZEOF_SHA1;
215 case REPOKEY_TYPE_SHA256:
216 return dp + SIZEOF_SHA256;
217 case REPOKEY_TYPE_ID:
218 dp = data_read_id(dp, &id);
222 case REPOKEY_TYPE_DIR:
223 dp = data_read_id(dp, &id);
227 case REPOKEY_TYPE_IDARRAY:
230 dp = data_read_ideof(dp, &id, &eof);
236 case REPOKEY_TYPE_STR:
240 case REPOKEY_TYPE_DIRSTRARRAY:
243 dp = data_read_ideof(dp, &id, &eof);
252 case REPOKEY_TYPE_DIRNUMNUMARRAY:
255 dp = data_read_id(dp, &id);
258 while ((*dp & 0x80) != 0)
261 while ((*dp & 0x80) != 0)
272 #endif /* SATSOLVER_REPOPACK */