projects / thirdparty / git.git / blame
| Commit | Line | Data |
|---|---|---|
| 7230e6d0 RS |
1 | #include "cache.h" |
| 2 | ||
| 75025ccd SP |
3 | void read_or_die(int fd, void *buf, size_t count) |
| 4 | { | |
| 5 | char *p = buf; | |
| 6 | ssize_t loaded; | |
| 7 | ||
| 8 | while (count > 0) { | |
| 9 | loaded = xread(fd, p, count); | |
| 10 | if (loaded == 0) | |
| 11 | die("unexpected end of file"); | |
| 12 | else if (loaded < 0) | |
| 13 | die("read error (%s)", strerror(errno)); | |
| 14 | count -= loaded; | |
| 15 | p += loaded; | |
| 16 | } | |
| 17 | } | |
| 18 | ||
| 7230e6d0 RS |
19 | void write_or_die(int fd, const void *buf, size_t count) |
| 20 | { | |
| 21 | const char *p = buf; | |
| 22 | ssize_t written; | |
| 23 | ||
| 24 | while (count > 0) { | |
| 25 | written = xwrite(fd, p, count); | |
| 26 | if (written == 0) | |
| 27 | die("disk full?"); | |
| 28 | else if (written < 0) { | |
| 29 | if (errno == EPIPE) | |
| 30 | exit(0); | |
| 31 | die("write error (%s)", strerror(errno)); | |
| 32 | } | |
| 33 | count -= written; | |
| 34 | p += written; | |
| 35 | } | |
| 36 | } | |
| 7cf67205 CC |
37 | |
| 38 | int write_or_whine(int fd, const void *buf, size_t count, const char *msg) | |
| 39 | { | |
| 40 | const char *p = buf; | |
| 41 | ssize_t written; | |
| 42 | ||
| 43 | while (count > 0) { | |
| 44 | written = xwrite(fd, p, count); | |
| 45 | if (written == 0) { | |
| 46 | fprintf(stderr, "%s: disk full?\n", msg); | |
| 47 | return 0; | |
| 48 | } | |
| 49 | else if (written < 0) { | |
| 50 | if (errno == EPIPE) | |
| 51 | exit(0); | |
| 52 | fprintf(stderr, "%s: write error (%s)\n", | |
| 53 | msg, strerror(errno)); | |
| 54 | return 0; | |
| 55 | } | |
| 56 | count -= written; | |
| 57 | p += written; | |
| 58 | } | |
| 59 | ||
| 60 | return 1; | |
| 61 | } | |
| 825cee7b AW |
62 | |
| 63 | int write_in_full(int fd, const void *buf, size_t count, const char *msg) | |
| 64 | { | |
| 65 | const char *p = buf; | |
| 66 | ssize_t written; | |
| 67 | ||
| 68 | while (count > 0) { | |
| 69 | written = xwrite(fd, p, count); | |
| 70 | if (written == 0) { | |
| 71 | fprintf(stderr, "%s: disk full?\n", msg); | |
| 72 | return 0; | |
| 73 | } | |
| 74 | else if (written < 0) { | |
| 75 | fprintf(stderr, "%s: write error (%s)\n", | |
| 76 | msg, strerror(errno)); | |
| 77 | return 0; | |
| 78 | } | |
| 79 | count -= written; | |
| 80 | p += written; | |
| 81 | } | |
| 82 | ||
| 83 | return 1; | |
| 84 | } |