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[libpng17] Changed tabs to 3 spaces in png_debug macros and changed '"%s"m'

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to '"%s" m' to improve portability among compilers.
Changed png_free_default() to free() in pngtest.c
This commit is contained in:
Glenn Randers-Pehrson 2013-11-28 14:09:12 -06:00
parent a4f1de9109
commit 05f896004f
4 changed files with 22 additions and 17 deletions
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7
ANNOUNCE
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@ -1,5 +1,5 @@
Libpng 1.7.0beta24 - November 25, 2013 Libpng 1.7.0beta24 - November 28, 2013
This is not intended to be a public release. It will be replaced This is not intended to be a public release. It will be replaced
within a few weeks by a public version or by another test version. within a few weeks by a public version or by another test version.
@ -437,9 +437,12 @@ Version 1.7.0beta23 [November 24, 2013]
This reverts to the previous 'static' implementation and works round This reverts to the previous 'static' implementation and works round
the 'unused static function' warning by using PNG_UNUSED(). the 'unused static function' warning by using PNG_UNUSED().
Version 1.7.0beta24 [November 25, 2013] Version 1.7.0beta24 [November 28, 2013]
Removed or marked PNG_UNUSED some harmless "dead assignments" reported Removed or marked PNG_UNUSED some harmless "dead assignments" reported
by clang scan-build. by clang scan-build.
Changed tabs to 3 spaces in png_debug macros and changed '"%s"m'
to '"%s" m' to improve portability among compilers.
Changed png_free_default() to free() in pngtest.c
Send comments/corrections/commendations to png-mng-implement at lists.sf.net Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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5
CHANGES
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@ -4726,9 +4726,12 @@ Version 1.7.0beta23 [November 24, 2013]
This reverts to the previous 'static' implementation and works round This reverts to the previous 'static' implementation and works round
the 'unused static function' warning by using PNG_UNUSED(). the 'unused static function' warning by using PNG_UNUSED().
Version 1.7.0beta24 [November 25, 2013] Version 1.7.0beta24 [November 28, 2013]
Removed or marked PNG_UNUSED some harmless "dead assignments" reported Removed or marked PNG_UNUSED some harmless "dead assignments" reported
by clang scan-build. by clang scan-build.
Changed tabs to 3 spaces in png_debug macros and changed '"%s"m'
to '"%s" m' to improve portability among compilers.
Changed png_free_default() to free() in pngtest.c
Send comments/corrections/commendations to png-mng-implement at lists.sf.net Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit (subscription required; visit

21
pngdebug.h
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@ -1,11 +1,11 @@
/* pngdebug.h - Debugging macros for libpng, also used in pngtest.c /* pngdebug.h - Debugging macros for libpng, also used in pngtest.c
* *
* Copyright (c) 1998-2011 Glenn Randers-Pehrson * Copyright (c) 1998-2013 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
* *
* Last changed in libpng 1.5.0 [January 6, 2011] * Last changed in libpng 1.5.18 [(PENDING RELEASE)]
* *
* This code is released under the libpng license. * This code is released under the libpng license.
* For conditions of distribution and use, see the disclaimer * For conditions of distribution and use, see the disclaimer
@ -25,7 +25,7 @@
* (actually ((void)0)). * (actually ((void)0)).
* *
* level: level of detail of message, starting at 0. A level 'n' * level: level of detail of message, starting at 0. A level 'n'
* message is preceded by 'n' tab characters (not implemented * message is preceded by 'n' 3-space indentations (not implemented
* on Microsoft compilers unless PNG_DEBUG_FILE is also * on Microsoft compilers unless PNG_DEBUG_FILE is also
* defined, to allow debug DLL compilation with no standard IO). * defined, to allow debug DLL compilation with no standard IO).
* message: a printf(3) style text string. A trailing '\n' is added * message: a printf(3) style text string. A trailing '\n' is added
@ -77,32 +77,29 @@
# endif /* PNG_DEBUG_FILE */ # endif /* PNG_DEBUG_FILE */
# if (PNG_DEBUG > 1) # if (PNG_DEBUG > 1)
/* Note: ["%s"m PNG_STRING_NEWLINE] probably does not work on
* non-ISO compilers
*/
# ifdef __STDC__ # ifdef __STDC__
# ifndef png_debug # ifndef png_debug
# define png_debug(l,m) \ # define png_debug(l,m) \
do { \ do { \
int num_tabs=l; \ int num_tabs=l; \
fprintf(PNG_DEBUG_FILE,"%s"m PNG_STRING_NEWLINE,(num_tabs==1 ? "\t" : \ fprintf(PNG_DEBUG_FILE,"%s" m PNG_STRING_NEWLINE,(num_tabs==1 ? " " : \
(num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":"")))); \ (num_tabs==2 ? " " : (num_tabs>2 ? " " : "")))); \
} while (0) } while (0)
# endif # endif
# ifndef png_debug1 # ifndef png_debug1
# define png_debug1(l,m,p1) \ # define png_debug1(l,m,p1) \
do { \ do { \
int num_tabs=l; \ int num_tabs=l; \
fprintf(PNG_DEBUG_FILE,"%s"m PNG_STRING_NEWLINE,(num_tabs==1 ? "\t" : \ fprintf(PNG_DEBUG_FILE,"%s" m PNG_STRING_NEWLINE,(num_tabs==1 ? " " : \
(num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":""))),p1); \ (num_tabs==2 ? " " : (num_tabs>2 ? " " : ""))),p1); \
} while (0) } while (0)
# endif # endif
# ifndef png_debug2 # ifndef png_debug2
# define png_debug2(l,m,p1,p2) \ # define png_debug2(l,m,p1,p2) \
do { \ do { \
int num_tabs=l; \ int num_tabs=l; \
fprintf(PNG_DEBUG_FILE,"%s"m PNG_STRING_NEWLINE,(num_tabs==1 ? "\t" : \ fprintf(PNG_DEBUG_FILE,"%s" m PNG_STRING_NEWLINE,(num_tabs==1 ? " " : \
(num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":""))),p1,p2); \ (num_tabs==2 ? " " : (num_tabs>2 ? " " : ""))),p1,p2);\
} while (0) } while (0)
# endif # endif
# else /* __STDC __ */ # else /* __STDC __ */

6
pngtest.c
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@ -570,7 +570,8 @@ png_debug_free(png_structp png_ptr, png_voidp ptr)
/* We must free the list element too, but first kill /* We must free the list element too, but first kill
the memory that is to be freed. */ the memory that is to be freed. */
memset(ptr, 0x55, pinfo->size); memset(ptr, 0x55, pinfo->size);
png_free_default(png_ptr, pinfo); if (pinfo)
free(pinfo);
pinfo = NULL; pinfo = NULL;
break; break;
} }
@ -589,7 +590,8 @@ png_debug_free(png_structp png_ptr, png_voidp ptr)
if (verbose) if (verbose)
printf("Freeing %p\n", ptr); printf("Freeing %p\n", ptr);
png_free_default(png_ptr, ptr); if (ptr)
free(ptr);
ptr = NULL; ptr = NULL;
} }
#endif /* PNG_USER_MEM_SUPPORTED && PNG_DEBUG */ #endif /* PNG_USER_MEM_SUPPORTED && PNG_DEBUG */