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| author | 2023-11-17 08:51:53 +0100 | |
|---|---|---|
| committer | 2023-11-17 08:51:53 +0100 | |
| commit | 80c5bac826c480fdabfaeae991a9a7fb298fb865 (patch) | |
| tree | 3dcc249478b68120aeb9cbdd0d9ba442463314dd /xs.h | |
| parent | Backport from xs. (diff) | |
| download | penes-snac2-80c5bac826c480fdabfaeae991a9a7fb298fb865.tar.gz penes-snac2-80c5bac826c480fdabfaeae991a9a7fb298fb865.tar.xz penes-snac2-80c5bac826c480fdabfaeae991a9a7fb298fb865.zip | |
Backport from xs.
Diffstat (limited to '')
| -rw-r--r-- | xs.h | 73 |
1 files changed, 0 insertions, 73 deletions
| @@ -119,10 +119,6 @@ void xs_data_get(void *data, const xs_data *value); | |||
| 119 | 119 | ||
| 120 | void *xs_memmem(const char *haystack, int h_size, const char *needle, int n_size); | 120 | void *xs_memmem(const char *haystack, int h_size, const char *needle, int n_size); |
| 121 | 121 | ||
| 122 | xs_str *xs_hex_enc(const xs_val *data, int size); | ||
| 123 | xs_val *xs_hex_dec(const xs_str *hex, int *size); | ||
| 124 | int xs_is_hex(const char *str); | ||
| 125 | |||
| 126 | unsigned int xs_hash_func(const char *data, int size); | 122 | unsigned int xs_hash_func(const char *data, int size); |
| 127 | 123 | ||
| 128 | #ifdef XS_ASSERT | 124 | #ifdef XS_ASSERT |
| @@ -1178,75 +1174,6 @@ void *xs_memmem(const char *haystack, int h_size, const char *needle, int n_size | |||
| 1178 | } | 1174 | } |
| 1179 | 1175 | ||
| 1180 | 1176 | ||
| 1181 | /** hex **/ | ||
| 1182 | |||
| 1183 | static char xs_hex_digits[] = "0123456789abcdef"; | ||
| 1184 | |||
| 1185 | xs_str *xs_hex_enc(const xs_val *data, int size) | ||
| 1186 | /* returns an hexdump of data */ | ||
| 1187 | { | ||
| 1188 | xs_str *s; | ||
| 1189 | char *p; | ||
| 1190 | int n; | ||
| 1191 | |||
| 1192 | p = s = xs_realloc(NULL, _xs_blk_size(size * 2 + 1)); | ||
| 1193 | |||
| 1194 | for (n = 0; n < size; n++) { | ||
| 1195 | *p++ = xs_hex_digits[*data >> 4 & 0xf]; | ||
| 1196 | *p++ = xs_hex_digits[*data & 0xf]; | ||
| 1197 | data++; | ||
| 1198 | } | ||
| 1199 | |||
| 1200 | *p = '\0'; | ||
| 1201 | |||
| 1202 | return s; | ||
| 1203 | } | ||
| 1204 | |||
| 1205 | |||
| 1206 | xs_val *xs_hex_dec(const xs_str *hex, int *size) | ||
| 1207 | /* decodes an hexdump into data */ | ||
| 1208 | { | ||
| 1209 | int sz = strlen(hex); | ||
| 1210 | xs_val *s = NULL; | ||
| 1211 | char *p; | ||
| 1212 | int n; | ||
| 1213 | |||
| 1214 | if (sz % 2) | ||
| 1215 | return NULL; | ||
| 1216 | |||
| 1217 | p = s = xs_realloc(NULL, _xs_blk_size(sz / 2 + 1)); | ||
| 1218 | |||
| 1219 | for (n = 0; n < sz; n += 2) { | ||
| 1220 | int i; | ||
| 1221 | if (sscanf(&hex[n], "%02x", &i) == 0) { | ||
| 1222 | /* decoding error */ | ||
| 1223 | return xs_free(s); | ||
| 1224 | } | ||
| 1225 | else | ||
| 1226 | *p = i; | ||
| 1227 | |||
| 1228 | p++; | ||
| 1229 | } | ||
| 1230 | |||
| 1231 | *p = '\0'; | ||
| 1232 | *size = sz / 2; | ||
| 1233 | |||
| 1234 | return s; | ||
| 1235 | } | ||
| 1236 | |||
| 1237 | |||
| 1238 | int xs_is_hex(const char *str) | ||
| 1239 | /* returns 1 if str is an hex string */ | ||
| 1240 | { | ||
| 1241 | while (*str) { | ||
| 1242 | if (strchr("0123456789abcdefABCDEF", *str++) == NULL) | ||
| 1243 | return 0; | ||
| 1244 | } | ||
| 1245 | |||
| 1246 | return 1; | ||
| 1247 | } | ||
| 1248 | |||
| 1249 | |||
| 1250 | unsigned int xs_hash_func(const char *data, int size) | 1177 | unsigned int xs_hash_func(const char *data, int size) |
| 1251 | /* a general purpose hashing function */ | 1178 | /* a general purpose hashing function */ |
| 1252 | { | 1179 | { |