comparison: dav/libxattr.c
dav/libxattr.c
- changeset 815
- 1f40ca07ae1b
- parent 814
- 0ce45bdc48bc
equal
deleted
inserted
replaced
| 814:0ce45bdc48bc | 815:1f40ca07ae1b |
|---|---|
| 71 | 71 |
| 72 static char ** parse_xattrlist(char *buf, ssize_t length, ssize_t *nelm) { | 72 static char ** parse_xattrlist(char *buf, ssize_t length, ssize_t *nelm) { |
| 73 size_t arraylen = LIST_ARRAY_LEN; | 73 size_t arraylen = LIST_ARRAY_LEN; |
| 74 size_t arraypos = 0; | 74 size_t arraypos = 0; |
| 75 char **array = malloc(LIST_ARRAY_LEN * sizeof(char*)); | 75 char **array = malloc(LIST_ARRAY_LEN * sizeof(char*)); |
| 76 if(!array) { | |
| 77 *nelm = -1; | |
| 78 return NULL; | |
| 79 } | |
| 76 | 80 |
| 77 char *begin = buf; | 81 char *begin = buf; |
| 78 char *name = NULL; | 82 char *name = NULL; |
| 79 for(int i=0;i<length;i++) { | 83 for(int i=0;i<length;i++) { |
| 80 if(!name && buf[i] == '.') { | 84 if(!name && buf[i] == '.') { |
| 81 name = buf + i + 1; | 85 name = buf + i + 1; |
| 82 } | 86 } |
| 83 if(buf[i] == '\0') { | 87 if(buf[i] == '\0') { |
| 84 char *attrname = strdup(name); | 88 char *attrname = strdup(name); |
| 89 if(!attrname) { | |
| 90 strarray_free(array, arraypos); | |
| 91 *nelm = -1; | |
| 92 return NULL; | |
| 93 } | |
| 85 if(strarray_add(&array, &arraypos, &arraylen, attrname)) { | 94 if(strarray_add(&array, &arraypos, &arraylen, attrname)) { |
| 86 strarray_free(array, arraypos); | 95 strarray_free(array, arraypos); |
| 87 *nelm = -1; | 96 *nelm = -1; |
| 88 return NULL; | 97 return NULL; |
| 89 } | 98 } |
| 144 | 153 |
| 145 static char* name2nsname(const char *name) { | 154 static char* name2nsname(const char *name) { |
| 146 // add the 'user' namespace to the name | 155 // add the 'user' namespace to the name |
| 147 size_t namelen = strlen(name); | 156 size_t namelen = strlen(name); |
| 148 char *attrname = malloc(8 + namelen); | 157 char *attrname = malloc(8 + namelen); |
| 158 if(!attrname) { | |
| 159 return NULL; | |
| 160 } | |
| 149 memcpy(attrname, "user.", 5); | 161 memcpy(attrname, "user.", 5); |
| 150 memcpy(attrname+5, name, namelen + 1); | 162 memcpy(attrname+5, name, namelen + 1); |
| 151 return attrname; | 163 return attrname; |
| 152 } | 164 } |
| 153 | 165 |
| 154 char * xattr_get(const char *path, const char *attr, ssize_t *len) { | 166 char * xattr_get(const char *path, const char *attr, ssize_t *len) { |
| 155 char *attrname = name2nsname(attr); | 167 char *attrname = name2nsname(attr); |
| 168 if(!attrname) { | |
| 169 *len = -1; | |
| 170 return NULL; | |
| 171 } | |
| 156 | 172 |
| 157 char *buf = malloc(ATTR_BUF_LEN); | 173 char *buf = malloc(ATTR_BUF_LEN); |
| 158 if(!buf) { | 174 if(!buf) { |
| 159 *len = -1; | 175 *len = -1; |
| 176 free(attrname); | |
| 160 return NULL; | 177 return NULL; |
| 161 } | 178 } |
| 162 ssize_t vlen = getxattr(path, attrname, buf, ATTR_BUF_LEN - 1); | 179 ssize_t vlen = getxattr(path, attrname, buf, ATTR_BUF_LEN - 1); |
| 163 if(vlen < 0) { | 180 if(vlen < 0) { |
| 164 switch(errno) { | 181 switch(errno) { |
| 193 return buf; | 210 return buf; |
| 194 } | 211 } |
| 195 | 212 |
| 196 int xattr_set(const char *path, const char *name, const void *value, size_t len) { | 213 int xattr_set(const char *path, const char *name, const void *value, size_t len) { |
| 197 char *attrname = name2nsname(name); | 214 char *attrname = name2nsname(name); |
| 215 if(!attrname) { | |
| 216 return 1; | |
| 217 } | |
| 198 int ret = setxattr(path, attrname, value, len, 0); | 218 int ret = setxattr(path, attrname, value, len, 0); |
| 199 free(attrname); | 219 free(attrname); |
| 200 return ret; | 220 return ret; |
| 201 } | 221 } |
| 202 | 222 |
| 203 int xattr_remove(const char *path, const char *name) { | 223 int xattr_remove(const char *path, const char *name) { |
| 204 char *attrname = name2nsname(name); | 224 char *attrname = name2nsname(name); |
| 225 if(!attrname) { | |
| 226 return 1; | |
| 227 } | |
| 205 int ret = removexattr(path, attrname); | 228 int ret = removexattr(path, attrname); |
| 206 free(attrname); | 229 free(attrname); |
| 207 return ret; | 230 return ret; |
| 208 } | 231 } |
| 209 | 232 |
