49 #  define GZ_SUFFIX "-gz"
53 #  define GZ_SUFFIX "-gz"
131 #  define GZ_SUFFIX ".gz"
146 /* for Z_SOLO, create simplified gz* functions using deflate and inflate */
171     gzFile gz;  in gz_open()  local
174     gz = malloc(sizeof(struct gzFile_s));  in gz_open()
175     if (gz == NULL)  in gz_open()
177     gz->write = strchr(mode, 'w') != NULL;  in gz_open()
178     gz->strm.zalloc = myalloc;  in gz_open()
179     gz->strm.zfree = myfree;  in gz_open()
180     gz->strm.opaque = Z_NULL;  in gz_open()
181     if (gz->write)  in gz_open()
182         ret = deflateInit2(&(gz->strm), -1, 8, 15 + 16, 8, 0);  in gz_open()
184         gz->strm.next_in = 0;  in gz_open()
185         gz->strm.avail_in = Z_NULL;  in gz_open()
186         ret = inflateInit2(&(gz->strm), 15 + 16);  in gz_open()
189         free(gz);  in gz_open()
192     gz->file = path == NULL ? fdopen(fd, gz->write ? "wb" : "rb") :  in gz_open()
193                               fopen(path, gz->write ? "wb" : "rb");  in gz_open()
194     if (gz->file == NULL) {  in gz_open()
195         gz->write ? deflateEnd(&(gz->strm)) : inflateEnd(&(gz->strm));  in gz_open()
196         free(gz);  in gz_open()
199     gz->err = 0;  in gz_open()
200     gz->msg = "";  in gz_open()
201     return gz;  in gz_open()
212 static int gzwrite(gzFile gz, const void *buf, unsigned len) {  in gzwrite()  argument
216     if (gz == NULL || !gz->write)  in gzwrite()
218     strm = &(gz->strm);  in gzwrite()
225         fwrite(out, 1, BUFLEN - strm->avail_out, gz->file);  in gzwrite()
230 static int gzread(gzFile gz, void *buf, unsigned len) {  in gzread()  argument
236     if (gz == NULL || gz->write)  in gzread()
238     if (gz->err)  in gzread()
240     strm = &(gz->strm);  in gzread()
244         got = fread(in, 1, 1, gz->file);  in gzread()
251             gz->err = Z_DATA_ERROR;  in gzread()
252             gz->msg = strm->msg;  in gzread()
261 static int gzclose(gzFile gz) {  in gzclose()  argument
265     if (gz == NULL)  in gzclose()
267     strm = &(gz->strm);  in gzclose()
268     if (gz->write) {  in gzclose()
275             fwrite(out, 1, BUFLEN - strm->avail_out, gz->file);  in gzclose()
281     fclose(gz->file);  in gzclose()
282     free(gz);  in gzclose()
286 static const char *gzerror(gzFile gz, int *err) {  in gzerror()  argument
287     *err = gz->err;  in gzerror()
288     return gz->msg;  in gzerror()
390  * Compress the given file: create a corresponding .gz file and remove the