54 #  define GZ_SUFFIX "-gz"
58 #  define GZ_SUFFIX "-gz"
136 #  define GZ_SUFFIX ".gz"
151 /* for Z_SOLO, create simplified gz* functions using deflate and inflate */
206     gzFile gz;  local
209     gz = malloc(sizeof(struct gzFile_s));
210     if (gz == NULL)
212     gz->write = strchr(mode, 'w') != NULL;
213     gz->strm.zalloc = myalloc;
214     gz->strm.zfree = myfree;
215     gz->strm.opaque = Z_NULL;
216     if (gz->write)
217         ret = deflateInit2(&(gz->strm), -1, 8, 15 + 16, 8, 0);
219         gz->strm.next_in = 0;
220         gz->strm.avail_in = Z_NULL;
221         ret = inflateInit2(&(gz->strm), 15 + 16);
224         free(gz);
227     gz->file = path == NULL ? fdopen(fd, gz->write ? "wb" : "rb") :
228                               fopen(path, gz->write ? "wb" : "rb");
229     if (gz->file == NULL) {
230         gz->write ? deflateEnd(&(gz->strm)) : inflateEnd(&(gz->strm));
231         free(gz);
234     gz->err = 0;
235     gz->msg = "";
236     return gz;
241 int gzwrite(gz, buf, len)  in gzwrite()  argument
242     gzFile gz;  in gzwrite()
249     if (gz == NULL || !gz->write)
251     strm = &(gz->strm);
258         fwrite(out, 1, BUFLEN - strm->avail_out, gz->file);
265 int gzread(gz, buf, len)  in gzread()  argument
266     gzFile gz;  in gzread()
275     if (gz == NULL || gz->write)
277     if (gz->err)
279     strm = &(gz->strm);
283         got = fread(in, 1, 1, gz->file);
290             gz->err = Z_DATA_ERROR;
291             gz->msg = strm->msg;
302 int gzclose(gz)  in gzclose()  argument
303     gzFile gz;  in gzclose()
308     if (gz == NULL)
310     strm = &(gz->strm);
311     if (gz->write) {
318             fwrite(out, 1, BUFLEN - strm->avail_out, gz->file);
324     fclose(gz->file);
325     free(gz);
331 const char *gzerror(gz, err)  in gzerror()  argument
332     gzFile gz;  in gzerror()
335     *err = gz->err;
336     return gz->msg;
459  * Compress the given file: create a corresponding .gz file and remove the