comparison: src/utils.c
src/utils.c
- changeset 675
- 765cf785b7fa
- parent 674
- dc514a5d42a5
- child 736
- 70885c3d15b0
equal
deleted
inserted
replaced
| 674:dc514a5d42a5 | 675:765cf785b7fa |
|---|---|
| 82 void *dest, | 82 void *dest, |
| 83 cx_read_func rfnc, | 83 cx_read_func rfnc, |
| 84 cx_write_func wfnc, | 84 cx_write_func wfnc, |
| 85 size_t n | 85 size_t n |
| 86 ) { | 86 ) { |
| 87 if (n == 0) { | 87 char buf[CX_STREAM_COPY_BUF_SIZE]; |
| 88 return 0; | 88 return cx_stream_bncopy(src, dest, rfnc, wfnc, |
| 89 } | 89 buf, CX_STREAM_COPY_BUF_SIZE, n); |
| 90 | |
| 91 const size_t bufsize = CX_STREAM_COPY_BUF_SIZE; | |
| 92 char lbuf[bufsize]; | |
| 93 size_t ncp = 0; | |
| 94 | |
| 95 size_t r; | |
| 96 size_t rn = bufsize > n ? n : bufsize; | |
| 97 while ((r = rfnc(lbuf, 1, rn, src)) != 0) { | |
| 98 r = wfnc(lbuf, 1, r, dest); | |
| 99 ncp += r; | |
| 100 n -= r; | |
| 101 rn = bufsize > n ? n : bufsize; | |
| 102 if (r == 0 || n == 0) { | |
| 103 break; | |
| 104 } | |
| 105 } | |
| 106 | |
| 107 return ncp; | |
| 108 } | 90 } |
| 109 | 91 |
| 110 #ifndef CX_SZMUL_BUILTIN | 92 #ifndef CX_SZMUL_BUILTIN |
| 111 #include "szmul.c" | 93 #include "szmul.c" |
| 112 #endif | 94 #endif |
