OpenGrok

4  /* gzread.c -- zlib functions for reading gzip files
88 /* Look for gzip header, set up for inflate or copy.  state.state->x.have must be 0.
91    if there is no gzip header and direct copying will be performed, or it will
92    be set to GZIP for decompression.  If direct copying, then leftover input
136     /* look for gzip magic bytes -- if there, do gzip decoding (note: there is
138        gzip file, to wit, if a single 31 byte is written, then we cannot tell
139        whether this is a single-byte file, or just a partially written gzip
140        file -- for here we assume that if a gzip file is being written, then
142        single byte is sufficient indication that it is not a gzip file) */
147         state.state->how = GZIP;
152     /* no gzip header -- if we were decoding gzip before, then this is trailing
177    data.  If the gzip stream completes, state.state->how is reset to LOOK to look for
178    the next gzip stream or raw data, once state.state->x.have is depleted.  Returns 0
218     /* if the gzip stream completed successfully, look for another */
228    file depending on state.state->how.  If state.state->how is LOOK, then a gzip header is
230    otherwise 0.  gz_fetch() will leave state.state->how as COPY or GZIP unless the
237         case LOOK:      /* -> LOOK, COPY (only if never GZIP), or GZIP */
249         case GZIP:      /* -> GZIP or LOOK (if end of gzip stream) */
348         else {  /* state.state->how == GZIP */
607     /* return 1 if transparent, 0 if processing a gzip stream */

Indexes created Sun May 03 00:22:47 UTC 2026