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01/05: gnu: gd: Fix an issue with XBM decoding.
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From: |
Leo Famulari |
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Subject: |
01/05: gnu: gd: Fix an issue with XBM decoding. |
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Date: |
Fri, 3 Mar 2017 14:28:02 -0500 (EST) |
lfam pushed a commit to branch core-updates
in repository guix.
commit e8293ef12cd3df77f4111163fa5ac554480d134b
Author: Julien Lepiller <address@hidden>
Date: Mon Feb 27 11:09:11 2017 +0100
gnu: gd: Fix an issue with XBM decoding.
* gnu/packages/patches/gd-php-73968-Fix-109-XBM-reading.patch: New file.
* gnu/local.scm (dist_patch_DATA): Add it.
* gnu/packages/gd.scm (gd)[source]: Use it.
Signed-off-by: Leo Famulari <address@hidden>
---
gnu/local.mk | 1 +
gnu/packages/gd.scm | 3 +-
.../patches/gd-php-73968-Fix-109-XBM-reading.patch | 121 +++++++++++++++++++++
3 files changed, 124 insertions(+), 1 deletion(-)
diff --git a/gnu/local.mk b/gnu/local.mk
index abb1b04..5765a3f 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -583,6 +583,7 @@ dist_patch_DATA =
\
%D%/packages/patches/gd-fix-tests-on-i686.patch \
%D%/packages/patches/gd-fix-truecolor-format-correction.patch \
%D%/packages/patches/gd-freetype-test-failure.patch \
+ %D%/packages/patches/gd-php-73968-Fix-109-XBM-reading.patch \
%D%/packages/patches/gegl-CVE-2012-4433.patch \
%D%/packages/patches/geoclue-config.patch \
%D%/packages/patches/ghc-dont-pass-linker-flags-via-response-files.patch
\
diff --git a/gnu/packages/gd.scm b/gnu/packages/gd.scm
index ea13540..62c8fd8 100644
--- a/gnu/packages/gd.scm
+++ b/gnu/packages/gd.scm
@@ -53,7 +53,8 @@
"1rp4v7n1dq38b92kl7gkvpvqqkw7nvdfnz6d5kip5klkxfki6zqk"))
(patches (search-patches "gd-fix-gd2-read-test.patch"
"gd-fix-tests-on-i686.patch"
- "gd-freetype-test-failure.patch"))))
+ "gd-freetype-test-failure.patch"
+
"gd-php-73968-Fix-109-XBM-reading.patch"))))
(build-system gnu-build-system)
(arguments
;; As recommended by github.com/libgd/libgd/issues/278 to fix rounding
diff --git a/gnu/packages/patches/gd-php-73968-Fix-109-XBM-reading.patch
b/gnu/packages/patches/gd-php-73968-Fix-109-XBM-reading.patch
new file mode 100644
index 0000000..a926c14
--- /dev/null
+++ b/gnu/packages/patches/gd-php-73968-Fix-109-XBM-reading.patch
@@ -0,0 +1,121 @@
+This bug was first reported to php on https://bugs.php.net/bug.php?id=73968.
+php then reported it to gd in https://github.com/libgd/libgd/issues/109.
+
+Patch adapted from upstream source repository:
+
+https://github.com/libgd/libgd/commit/082c5444838ea0d84f9fb6441aefdb44d78d9bba
+
+Binary diffs have been removed from the patch because our patch
+procedure doesn't support them.
+
+From 082c5444838ea0d84f9fb6441aefdb44d78d9bba Mon Sep 17 00:00:00 2001
+From: "Christoph M. Becker" <address@hidden>
+Date: Fri, 20 Jan 2017 22:48:20 +0100
+Subject: [PATCH] Fix #109: XBM reading fails with printed error
+
+When calculating the number of required bytes of an XBM image, we have
+to take the line padding into account.
+---
+ src/gd_xbm.c | 2 +-
+ tests/xbm/CMakeLists.txt | 1 +
+ tests/xbm/Makemodule.am | 5 ++++-
+ tests/xbm/github_bug_109.c | 35 +++++++++++++++++++++++++++++++++++
+ tests/xbm/github_bug_109.xbm | 5 +++++
+ 5 files changed, 47 insertions(+), 2 deletions(-)
+ create mode 100644 tests/xbm/github_bug_109.c
+ create mode 100644 tests/xbm/github_bug_109.xbm
+ create mode 100644 tests/xbm/github_bug_109_exp.png
+
+diff --git a/src/gd_xbm.c b/src/gd_xbm.c
+index 5f09b56..c2ba2ad 100644
+--- a/src/gd_xbm.c
++++ b/src/gd_xbm.c
+@@ -108,7 +108,7 @@ BGD_DECLARE(gdImagePtr) gdImageCreateFromXbm(FILE * fd)
+ max_bit = 32768;
+ }
+ if (max_bit) {
+- bytes = (width * height / 8) + 1;
++ bytes = (width + 7) / 8 * height;
+ if (!bytes) {
+ return 0;
+ }
+diff --git a/tests/xbm/CMakeLists.txt b/tests/xbm/CMakeLists.txt
+index 183cf5e..08576e0 100644
+--- a/tests/xbm/CMakeLists.txt
++++ b/tests/xbm/CMakeLists.txt
+@@ -1,4 +1,5 @@
+ LIST(APPEND TESTS_FILES
++ github_bug_109
+ github_bug_170
+ )
+
+diff --git a/tests/xbm/Makemodule.am b/tests/xbm/Makemodule.am
+index ba1eabd..0f5beb6 100644
+--- a/tests/xbm/Makemodule.am
++++ b/tests/xbm/Makemodule.am
+@@ -1,5 +1,8 @@
+ libgd_test_programs += \
++ xbm/github_bug_109 \
+ xbm/github_bug_170
+
+ EXTRA_DIST += \
+- xbm/CMakeLists.txt
++ xbm/CMakeLists.txt \
++ xbm/github_bug_109.xbm \
++ xbm/github_bug_109_exp.png
+diff --git a/tests/xbm/github_bug_109.c b/tests/xbm/github_bug_109.c
+new file mode 100644
+index 0000000..1a020c6
+--- /dev/null
++++ b/tests/xbm/github_bug_109.c
+@@ -0,0 +1,35 @@
++/**
++ * Test reading of XBM images with a width that is not a multiple of 8
++ *
++ * We're reading such an XBM image, and check that we got what we've expected,
++ * instead of an error message.
++ *
++ * See also <https://github.com/libgd/libgd/issues/109>.
++ */
++
++
++#include "gd.h"
++#include "gdtest.h"
++
++
++int main()
++{
++ gdImagePtr im;
++ FILE *fp;
++ char *path;
++
++ fp = gdTestFileOpen2("xbm", "github_bug_109.xbm");
++ im = gdImageCreateFromXbm(fp);
++ fclose(fp);
++ gdTestAssert(im != NULL);
++ gdTestAssert(gdImageGetTrueColorPixel(im, 0, 0) == 0);
++ gdTestAssert(gdImageGetTrueColorPixel(im, 0, 1) == 0xffffff);
++
++ path = gdTestFilePath2("xbm", "github_bug_109_exp.png");
++ gdAssertImageEqualsToFile(path, im);
++ gdFree(path);
++
++ gdImageDestroy(im);
++
++ return gdNumFailures();
++}
+diff --git a/tests/xbm/github_bug_109.xbm b/tests/xbm/github_bug_109.xbm
+new file mode 100644
+index 0000000..f427d86
+--- /dev/null
++++ b/tests/xbm/github_bug_109.xbm
+@@ -0,0 +1,5 @@
++#define test_width 10
++#define test_height 10
++static unsigned char test_bits[] = {
++ 0xFF, 0x03, 0x00, 0x00, 0xFF, 0x03, 0x00, 0x00, 0xFF, 0x03, 0x00, 0x00,
++ 0xFF, 0x03, 0x00, 0x00, 0xFF, 0x03, 0x00, 0x00};
+
+--
+2.7.4
+