| #ifndef __EXTENTS_H |
| #define __EXTENTS_H |
| |
| #include "exfile.h" |
| |
| |
| /* Parses a string representation |ex_str| and populates an array |ex_arr| |
| * consisting of |*ex_count_p| extents. The string is expected to be a |
| * comma-separated list of pairs of the form "offset:length". An offset may be |
| * -1 or a non-negative integer; the former indicates a sparse extent |
| * (consisting of zeros). A length is a positive integer. If |ex_arr| is NULL, |
| * |*ex_count_p| is ignored and a new array is allocated based on the actual |
| * number of extents parsed. Upon success, returns a pointer to the populated |
| * array of extents and stores the actual number of extents at the location |
| * pointed to be |ex_count_p| (if provided). If the string parses correctly but |
| * the operation otherwise fails (allocation error, array too small), returns |
| * NULL but still store the number of parsed extents. Otherwise, returns NULL |
| * and does not store anything. If a new array was allocated, then it should be |
| * deallocated with free(3). */ |
| ex_t *extents_parse(const char *ex_str, ex_t *ex_arr, size_t *ex_count_p); |
| |
| #endif /* __EXTENTS_H */ |
