| 1 | #include "../git-compat-util.h" |
| 2 | #include "../wrapper.h" |
| 3 | |
| 4 | ssize_t git_pread(int fd, void *buf, size_t count, off_t offset) |
| 5 | { |
| 6 | off_t current_offset; |
| 7 | ssize_t rc; |
| 8 | |
| 9 | current_offset = lseek(fd, 0, SEEK_CUR); |
| 10 | if (current_offset < 0) |
| 11 | return -1; |
| 12 | |
| 13 | if (lseek(fd, offset, SEEK_SET) < 0) |
| 14 | return -1; |
| 15 | |
| 16 | rc = read_in_full(fd, buf, count); |
| 17 | |
| 18 | if (current_offset != lseek(fd, current_offset, SEEK_SET)) |
| 19 | return -1; |
| 20 | return rc; |
| 21 | } |