diff options
| -rw-r--r-- | generic/tclZlib.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/generic/tclZlib.c b/generic/tclZlib.c index 1fe5b05..be2f540 100644 --- a/generic/tclZlib.c +++ b/generic/tclZlib.c @@ -1996,6 +1996,9 @@ ZlibStreamSubcmd( { "-dictionary", &compDictObj }, { NULL, NULL } }; + const OptDescriptor gunzipOpts[] = { + { NULL, NULL } + }; const OptDescriptor *desc; Tcl_ZlibStream zh; @@ -2040,7 +2043,7 @@ ZlibStreamSubcmd( format = TCL_ZLIB_FORMAT_GZIP; break; case FMT_GUNZIP: - desc = expansionOpts; // FIXME - get header, not set compDict + desc = gunzipOpts; mode = TCL_ZLIB_STREAM_INFLATE; format = TCL_ZLIB_FORMAT_GZIP; break; @@ -2301,12 +2304,12 @@ ZlibStreamCmd( Tcl_Obj *obj; static const char *const cmds[] = { "add", "checksum", "close", "eof", "finalize", "flush", - "fullflush", "get", "put", "reset", + "fullflush", "get", "header", "put", "reset", NULL }; enum zlibStreamCommands { zs_add, zs_checksum, zs_close, zs_eof, zs_finalize, zs_flush, - zs_fullflush, zs_get, zs_put, zs_reset + zs_fullflush, zs_get, zs_header, zs_put, zs_reset }; static const char *const add_options[] = { "-buffer", "-finalize", "-flush", "-fullflush", NULL @@ -2431,6 +2434,7 @@ ZlibStreamCmd( case ao_buffer: Tcl_AppendResult(interp, "\"-buffer\" option not supported here", NULL); + Tcl_SetErrorCode(interp, "TCL", "ZIP", "BADOPT", NULL); return TCL_ERROR; } if (flush == -2) { @@ -2528,6 +2532,27 @@ ZlibStreamCmd( return TCL_ERROR; } return Tcl_ZlibStreamReset(zstream); + case zs_header: { /* $strm header */ + ZlibStreamHandle *zshPtr = (ZlibStreamHandle *) zstream; + Tcl_Obj *resultObj; + + if (objc != 2) { + Tcl_WrongNumArgs(interp, 2, objv, NULL); + return TCL_ERROR; + } else if (zshPtr->mode != TCL_ZLIB_STREAM_INFLATE + || zshPtr->format != TCL_ZLIB_FORMAT_GZIP) { + Tcl_AppendResult(interp, + "only gunzip streams can produce header information", + NULL); + Tcl_SetErrorCode(interp, "TCL", "ZIP", "BADOP", NULL); + return TCL_ERROR; + } + + TclNewObj(resultObj); + ExtractHeader(&zshPtr->gzHeaderPtr->header, resultObj); + Tcl_SetObjResult(interp, resultObj); + return TCL_OK; + } } return TCL_OK; |