comparison: ucx/utils.c
ucx/utils.c
- changeset 181
- 1e9012ad8215
- parent 177
- 11ad03783baf
- child 192
- 1e51558b9d09
equal
deleted
inserted
replaced
| 179:ee25d79a4187 | 181:1e9012ad8215 |
|---|---|
| 52 write_func writefnc, char* buf, size_t bufsize, size_t n) { | 52 write_func writefnc, char* buf, size_t bufsize, size_t n) { |
| 53 if(n == 0 || bufsize == 0) { | 53 if(n == 0 || bufsize == 0) { |
| 54 return 0; | 54 return 0; |
| 55 } | 55 } |
| 56 | 56 |
| 57 char *lbuf; | |
| 57 size_t ncp = 0; | 58 size_t ncp = 0; |
| 58 if (!buf) { | 59 |
| 59 buf = (char*)malloc(bufsize); | 60 if(buf) { |
| 60 if(buf == NULL) { | 61 lbuf = buf; |
| 62 } else { | |
| 63 lbuf = (char*)malloc(bufsize); | |
| 64 if(lbuf == NULL) { | |
| 61 return 0; | 65 return 0; |
| 62 } | 66 } |
| 63 } | 67 } |
| 64 | 68 |
| 65 size_t r; | 69 size_t r; |
| 66 size_t rn = bufsize > n ? n : bufsize; | 70 size_t rn = bufsize > n ? n : bufsize; |
| 67 while((r = readfnc(buf, 1, rn, src)) != 0) { | 71 while((r = readfnc(lbuf, 1, rn, src)) != 0) { |
| 68 r = writefnc(buf, 1, r, dest); | 72 r = writefnc(lbuf, 1, r, dest); |
| 69 ncp += r; | 73 ncp += r; |
| 70 n -= r; | 74 n -= r; |
| 71 rn = bufsize > n ? n : bufsize; | 75 rn = bufsize > n ? n : bufsize; |
| 72 if(r == 0 || n == 0) { | 76 if(r == 0 || n == 0) { |
| 73 break; | 77 break; |
| 74 } | 78 } |
| 75 } | 79 } |
| 76 | 80 |
| 77 free(buf); | 81 if (lbuf != buf) { |
| 82 free(lbuf); | |
| 83 } | |
| 84 | |
| 78 return ncp; | 85 return ncp; |
| 79 } | 86 } |
| 80 | 87 |
| 81 /* COMPARE FUNCTIONS */ | 88 /* COMPARE FUNCTIONS */ |
| 82 | 89 |
