GraphicsMagick: ReadXPMImage(): Eliminate unnecessary strlen() u...

changeset d6f7fda3716b in /hg/GraphicsMagick
details: http://hg.GraphicsMagick.org/hg/GraphicsMagick?cmd=changeset;node=d6f7fda3716b
summary: ReadXPMImage(): Eliminate unnecessary strlen() upon memory reallocation for better performance.

diffstat:

 ChangeLog                              |   5 +++++
 VisualMagick/installer/inc/version.isx |   4 ++--
 coders/xpm.c                           |   7 +++++--
 magick/version.h                       |   4 ++--
 www/Changelog.html                     |  27 +++++++++++++++++++++++++++
 5 files changed, 41 insertions(+), 6 deletions(-)

diffs (91 lines):

diff -r 94516c1cc211 -r d6f7fda3716b ChangeLog
--- a/ChangeLog	Sat Oct 29 00:09:43 2022 +0200
+++ b/ChangeLog	Fri Oct 28 17:59:05 2022 -0500
@@ -1,3 +1,8 @@
+2022-10-28  Bob Friesenhahn  <[email protected]>
+
+	* coders/xpm.c (ReadXPMImage): Eliminate unnecessary strlen() upon
+	memory reallocation for better performance.
+
 2022-10-29  Fojtik Jaroslav  <[email protected]>
 
 	* PerlMagick/t/input_bilevel.xpm
diff -r 94516c1cc211 -r d6f7fda3716b VisualMagick/installer/inc/version.isx
--- a/VisualMagick/installer/inc/version.isx	Sat Oct 29 00:09:43 2022 +0200
+++ b/VisualMagick/installer/inc/version.isx	Fri Oct 28 17:59:05 2022 -0500
@@ -10,5 +10,5 @@
 
 #define public MagickPackageName "GraphicsMagick"
 #define public MagickPackageVersion "1.4"
-#define public MagickPackageVersionAddendum ".020221023"
-#define public MagickPackageReleaseDate "snapshot-20221023"
+#define public MagickPackageVersionAddendum ".020221028"
+#define public MagickPackageReleaseDate "snapshot-20221028"
diff -r 94516c1cc211 -r d6f7fda3716b coders/xpm.c
--- a/coders/xpm.c	Sat Oct 29 00:09:43 2022 +0200
+++ b/coders/xpm.c	Fri Oct 28 17:59:05 2022 -0500
@@ -320,8 +320,11 @@
               MagickFreeResourceLimitedMemory(xpm_buffer);
               break;
             }
-          xpm_buffer=new_xpm_buffer;
-          p=xpm_buffer+strlen(xpm_buffer);
+          if (xpm_buffer != new_xpm_buffer)
+            {
+              p=(p-xpm_buffer)+new_xpm_buffer;
+              xpm_buffer=new_xpm_buffer;
+            }
         }
     }
   if (xpm_buffer == (char *) NULL)
diff -r 94516c1cc211 -r d6f7fda3716b magick/version.h
--- a/magick/version.h	Sat Oct 29 00:09:43 2022 +0200
+++ b/magick/version.h	Fri Oct 28 17:59:05 2022 -0500
@@ -38,8 +38,8 @@
 #define MagickLibVersion  0x272400
 #define MagickLibVersionText  "1.4"
 #define MagickLibVersionNumber 27,24,0
-#define MagickChangeDate   "20221023"
-#define MagickReleaseDate  "snapshot-20221023"
+#define MagickChangeDate   "20221028"
+#define MagickReleaseDate  "snapshot-20221028"
 
 /*
   The MagickLibInterfaceNewest and MagickLibInterfaceOldest defines
diff -r 94516c1cc211 -r d6f7fda3716b www/Changelog.html
--- a/www/Changelog.html	Sat Oct 29 00:09:43 2022 +0200
+++ b/www/Changelog.html	Fri Oct 28 17:59:05 2022 -0500
@@ -37,6 +37,33 @@
 </div>
 
 <div class="document">
+<p>2022-10-28  Bob Friesenhahn  &lt;<a class="reference external" href="mailto:bfriesen&#37;&#52;&#48;simple&#46;dallas&#46;tx&#46;us">bfriesen<span>&#64;</span>simple<span>&#46;</span>dallas<span>&#46;</span>tx<span>&#46;</span>us</a>&gt;</p>
+<blockquote>
+<ul class="simple">
+<li><p>coders/xpm.c (ReadXPMImage): Eliminate unnecessary strlen() upon
+memory reallocation for better performance.</p></li>
+</ul>
+</blockquote>
+<p>2022-10-29  Fojtik Jaroslav  &lt;<a class="reference external" href="mailto:JaFojtik&#37;&#52;&#48;yandex&#46;com">JaFojtik<span>&#64;</span>yandex<span>&#46;</span>com</a>&gt;</p>
+<blockquote>
+<ul class="simple">
+<li><p>PerlMagick/t/input_bilevel.xpm</p></li>
+<li><p>PerlMagick/t/reference/read/input_xpm_bilevel.miff New testcase
+with bilevel monochrome image.</p></li>
+<li><p>PerlMagick/t/read.t: Added input_xpm_pal16.miff to PerlMagick test
+suite.</p></li>
+</ul>
+</blockquote>
+<p>2022-10-28  Fojtik Jaroslav  &lt;<a class="reference external" href="mailto:JaFojtik&#37;&#52;&#48;yandex&#46;com">JaFojtik<span>&#64;</span>yandex<span>&#46;</span>com</a>&gt;</p>
+<blockquote>
+<ul class="simple">
+<li><p>PerlMagick/t/input_pal16.xpm</p></li>
+<li><p>PerlMagick/t/reference/read/input_xpm_pal16.miff New testcase
+with 16 bit palette.</p></li>
+<li><p>PerlMagick/t/read.t: Added input_xpm_pal16.miff to PerlMagick test
+suite.</p></li>
+</ul>
+</blockquote>
 <p>2022-10-23  Bob Friesenhahn  &lt;<a class="reference external" href="mailto:bfriesen&#37;&#52;&#48;simple&#46;dallas&#46;tx&#46;us">bfriesen<span>&#64;</span>simple<span>&#46;</span>dallas<span>&#46;</span>tx<span>&#46;</span>us</a>&gt;</p>
 <blockquote>
 <ul class="simple">