Commit 7699d09e authored by Lars Magne Ingebrigtsen's avatar Lars Magne Ingebrigtsen
Browse files

Rename `zlib-decompress-gzipped-region' to `zlib-decompress-region'.

Also support zlib-format compression.
parent 1d238bc7
......@@ -43,7 +43,8 @@ no longer created during installation.
** Emacs can be compiled with zlib support. If this library is present
(which it normally is on most systems), the function
`zlib-decompress-gzipped-region' becomes available.
`zlib-decompress-region' becomes available, which can decompress gzip-
and zlib-format compressed data.
** Emacs for NS (OSX, GNUStep) can be built with ImageMagick support.
......@@ -3,6 +3,8 @@
* url-http.el (url-handle-content-transfer-encoding): Renamed
`zlib-decompress-gzipped-region' and check whether it's available,
(url-handle-content-transfer-encoding): Renamed
`zlib-decompress-region' again.
2013-08-11 Lars Magne Ingebrigtsen <>
......@@ -860,14 +860,14 @@ should be shown to the user."
(defun url-handle-content-transfer-encoding ()
(let ((encoding (mail-fetch-field "content-encoding")))
(when (and encoding
(fboundp 'zlib-decompress-gzipped-region)
(fboundp 'zlib-decompress-region)
(equal (downcase encoding) "gzip"))
(goto-char (point-min))
(when (search-forward "\n\n")
(zlib-decompress-gzipped-region (point) (point-max)))))))
(zlib-decompress-region (point) (point-max)))))))
;; Miscellaneous
(defun url-http-activate-callback ()
......@@ -210,7 +210,8 @@ Should be an assoc list of headers/contents.")
(defvar url-request-method nil "The method to use for the next request.")
(defvar url-mime-encoding-string (and (fboundp 'zlib-decompress-gzipped-region)
(defvar url-mime-encoding-string (and (fboundp 'zlib-decompress-region)
"String to send in the Accept-encoding: field in HTTP requests.")
2013-08-12 Lars Magne Ingebrigtsen <>
* decompress.c (Fzlib_decompress_region): Support zlib
decompression, too, and rename.
2013-08-12 Paul Eggert <>
Minor zlib configuration tweaks.
......@@ -119,10 +119,10 @@ DEFUN ("zlib-available-p", Fzlib_available_p, Szlib_available_p, 0, 0, 0,
DEFUN ("zlib-decompress-gzipped-region", Fzlib_decompress_gzipped_region,
DEFUN ("zlib-decompress-region", Fzlib_decompress_region,
2, 2, 0,
doc: /* Decompress a gzip-compressed region.
doc: /* Decompress a gzip- or zlib-compressed region.
Replace the text in the region by the decompressed data.
On failure, return nil and leave the data in place.
This function can be called only in unibyte buffers. */)
......@@ -151,8 +151,9 @@ This function can be called only in unibyte buffers. */)
stream.avail_in = 0;
stream.next_in = Z_NULL;
/* This magic number apparently means "this is gzip". */
if (fn_inflateInit2 (&stream, 16 + MAX_WBITS) != Z_OK)
/* The magic number 32 apparently means "autodect both the gzip and
zlib formats" according to zlib.h. */
if (fn_inflateInit2 (&stream, MAX_WBITS + 32) != Z_OK)
return Qnil;
unwind_data.start = iend;
......@@ -210,7 +211,7 @@ void
syms_of_decompress (void)
DEFSYM (Qzlib_dll, "zlib");
defsubr (&Szlib_decompress_gzipped_region);
defsubr (&Szlib_decompress_region);
defsubr (&Szlib_available_p);
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