Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4973 | right-hear | 1 | /* Copyright (C) 1995 DJ Delorie, see COPYING.DJ for details */ |
| 2 | #include |
||
| 3 | #include |
||
| 4 | #include |
||
| 5 | #include |
||
| 6 | |||
| 7 | size_t |
||
| 8 | fwrite(const void *vptr, size_t size, size_t count, FILE *f) |
||
| 9 | { |
||
| 10 | const char *ptr = (const char *)vptr; |
||
| 11 | register int s; |
||
| 12 | |||
| 13 | s = size * count; |
||
| 14 | |||
| 15 | // __libclog_printf("fwrite(%x,%u,%u,%u)\n",vptr,size,count,f->_file); |
||
| 16 | |||
| 17 | if (f->_flag & _IOLBF) |
||
| 18 | while (s > 0) { |
||
| 19 | if (--f->_cnt > -f->_bufsiz && *(const char *)ptr != '\n') |
||
| 20 | *f->_ptr++ = *(const char *)ptr++; |
||
| 21 | else if (_flsbuf(*(const char *)ptr++, f) == EOF) |
||
| 22 | break; |
||
| 23 | s--; |
||
| 24 | } |
||
| 25 | else while (s > 0) { |
||
| 26 | if (f->_cnt < s) { |
||
| 27 | if (f->_cnt > 0) { |
||
| 28 | memcpy(f->_ptr, ptr, f->_cnt); |
||
| 29 | ptr += f->_cnt; |
||
| 30 | f->_ptr += f->_cnt; |
||
| 31 | s -= f->_cnt; |
||
| 32 | } |
||
| 33 | if (_flsbuf(*(const unsigned char *)ptr++, f) == EOF) |
||
| 34 | break; |
||
| 35 | s--; |
||
| 36 | } |
||
| 37 | if (f->_cnt >= s) { |
||
| 38 | memcpy(f->_ptr, ptr, s); |
||
| 39 | f->_ptr += s; |
||
| 40 | f->_cnt -= s; |
||
| 41 | return count; |
||
| 42 | } |
||
| 43 | } |
||
| 44 | return size != 0 ? count - ((s + size - 1) / size) : 0; |
||
| 45 | } |