-- see zlib.h -- */
| 259 | |
| 260 | /* -- see zlib.h -- */ |
| 261 | z_size_t ZEXPORT gzfwrite(voidpc buf, z_size_t size, z_size_t nitems, |
| 262 | gzFile file) { |
| 263 | z_size_t len; |
| 264 | gz_statep state; |
| 265 | |
| 266 | /* get internal structure */ |
| 267 | if (file == NULL) |
| 268 | return 0; |
| 269 | state = (gz_statep)file; |
| 270 | |
| 271 | /* check that we're writing and that there's no error */ |
| 272 | if (state->mode != GZ_WRITE || state->err != Z_OK) |
| 273 | return 0; |
| 274 | |
| 275 | /* compute bytes to read -- error on overflow */ |
| 276 | len = nitems * size; |
| 277 | if (size && len / size != nitems) { |
| 278 | gz_error(state, Z_STREAM_ERROR, "request does not fit in a size_t"); |
| 279 | return 0; |
| 280 | } |
| 281 | |
| 282 | /* write len bytes to buf, return the number of full items written */ |
| 283 | return len ? gz_write(state, buf, len) / size : 0; |
| 284 | } |
| 285 | |
| 286 | /* -- see zlib.h -- */ |
| 287 | int ZEXPORT gzputc(gzFile file, int c) { |