Rename the function and move the declaration from gif_lib.h to gif_lib_private.h to solve conflicts when some .c-file #includes both stdlib.h and gif_lib.h. See also https://sourceforge.net/p/giflib/bugs/110/ * gnu/packages/patches/giflib-make-reallocarray-private.patch: New file * gnu/local.mk (dist_patch_DATA): Register it. * gnu/packages/image.scm(giflib)[source](patches): New field.
		
			
				
	
	
		
			120 lines
		
	
	
	
		
			5.3 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			120 lines
		
	
	
	
		
			5.3 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
Move the declaration from gif_lib.h to gif_lib_private.h to solve
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conflicts when some .c-file #includes both stdlib.h and gif_lib.h.
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See also https://sourceforge.net/p/giflib/bugs/110/
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diff -ur giflib-5.1.4.orig/lib/dgif_lib.c giflib-5.1.4/lib/dgif_lib.c
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--- giflib-5.1.4.orig/lib/dgif_lib.c	2018-02-28 20:31:02.294682673 +0100
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+++ giflib-5.1.4/lib/dgif_lib.c	2018-02-28 22:38:11.659126414 +0100
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@@ -396,7 +396,7 @@
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     if (GifFile->SavedImages) {
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         SavedImage* new_saved_images =
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-            (SavedImage *)reallocarray(GifFile->SavedImages,
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+            (SavedImage *)giflib_private_reallocarray(GifFile->SavedImages,
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                             (GifFile->ImageCount + 1), sizeof(SavedImage));
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         if (new_saved_images == NULL) {
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             GifFile->Error = D_GIF_ERR_NOT_ENOUGH_MEM;
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@@ -1108,7 +1108,7 @@
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               if (ImageSize > (SIZE_MAX / sizeof(GifPixelType))) {
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                   return GIF_ERROR;
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               }
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-              sp->RasterBits = (unsigned char *)reallocarray(NULL, ImageSize,
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+              sp->RasterBits = (unsigned char *)giflib_private_reallocarray(NULL, ImageSize,
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                       sizeof(GifPixelType));
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               if (sp->RasterBits == NULL) {
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diff -ur giflib-5.1.4.orig/lib/gifalloc.c giflib-5.1.4/lib/gifalloc.c
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--- giflib-5.1.4.orig/lib/gifalloc.c	2018-02-28 20:31:02.294682673 +0100
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+++ giflib-5.1.4/lib/gifalloc.c	2018-02-28 22:38:11.657126423 +0100
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@@ -8,7 +8,7 @@
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 #include <stdio.h>
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 #include <string.h>
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-#include "gif_lib.h"
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+#include "gif_lib_private.h"
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 #define MAX(x, y)    (((x) > (y)) ? (x) : (y))
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@@ -188,7 +188,7 @@
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         /* perhaps we can shrink the map? */
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         if (RoundUpTo < ColorUnion->ColorCount) {
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-            GifColorType *new_map = (GifColorType *)reallocarray(Map,
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+            GifColorType *new_map = (GifColorType *)giflib_private_reallocarray(Map,
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                                  RoundUpTo, sizeof(GifColorType));
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             if( new_map == NULL ) {
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                 GifFreeMapObject(ColorUnion);
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@@ -232,7 +232,7 @@
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     if (*ExtensionBlocks == NULL)
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         *ExtensionBlocks=(ExtensionBlock *)malloc(sizeof(ExtensionBlock));
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     else {
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-        ExtensionBlock* ep_new = (ExtensionBlock *)reallocarray
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+        ExtensionBlock* ep_new = (ExtensionBlock *)giflib_private_reallocarray
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 				 (*ExtensionBlocks, (*ExtensionBlockCount + 1),
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                                       sizeof(ExtensionBlock));
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         if( ep_new == NULL )
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@@ -325,7 +325,7 @@
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     if (GifFile->SavedImages == NULL)
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         GifFile->SavedImages = (SavedImage *)malloc(sizeof(SavedImage));
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     else
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-        GifFile->SavedImages = (SavedImage *)reallocarray(GifFile->SavedImages,
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+        GifFile->SavedImages = (SavedImage *)giflib_private_reallocarray(GifFile->SavedImages,
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                                (GifFile->ImageCount + 1), sizeof(SavedImage));
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     if (GifFile->SavedImages == NULL)
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@@ -355,7 +355,7 @@
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             }
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             /* next, the raster */
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-            sp->RasterBits = (unsigned char *)reallocarray(NULL,
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+            sp->RasterBits = (unsigned char *)giflib_private_reallocarray(NULL,
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                                                   (CopyFrom->ImageDesc.Height *
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                                                   CopyFrom->ImageDesc.Width),
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 						  sizeof(GifPixelType));
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@@ -369,7 +369,7 @@
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             /* finally, the extension blocks */
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             if (sp->ExtensionBlocks != NULL) {
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-                sp->ExtensionBlocks = (ExtensionBlock *)reallocarray(NULL,
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+                sp->ExtensionBlocks = (ExtensionBlock *)giflib_private_reallocarray(NULL,
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                                       CopyFrom->ExtensionBlockCount,
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 				      sizeof(ExtensionBlock));
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                 if (sp->ExtensionBlocks == NULL) {
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diff -ur giflib-5.1.4.orig/lib/gif_lib.h giflib-5.1.4/lib/gif_lib.h
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--- giflib-5.1.4.orig/lib/gif_lib.h	2018-02-28 20:31:02.294682673 +0100
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+++ giflib-5.1.4/lib/gif_lib.h	2018-02-28 20:31:43.135716712 +0100
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@@ -244,9 +244,6 @@
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                                      GifPixelType ColorTransIn2[]);
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 extern int GifBitSize(int n);
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-extern void *
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-reallocarray(void *optr, size_t nmemb, size_t size);
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-
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 /******************************************************************************
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  Support for the in-core structures allocation (slurp mode).              
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 ******************************************************************************/
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diff -ur giflib-5.1.4.orig/lib/gif_lib_private.h giflib-5.1.4/lib/gif_lib_private.h
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--- giflib-5.1.4.orig/lib/gif_lib_private.h	2018-02-28 20:31:02.294682673 +0100
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+++ giflib-5.1.4/lib/gif_lib_private.h	2018-02-28 22:38:11.657126423 +0100
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@@ -54,6 +54,9 @@
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     bool gif89;
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 } GifFilePrivateType;
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+extern void *
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+giflib_private_reallocarray(void *optr, size_t nmemb, size_t size);
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+
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 #endif /* _GIF_LIB_PRIVATE_H */
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 /* end */
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diff -ur giflib-5.1.4.orig/lib/openbsd-reallocarray.c giflib-5.1.4/lib/openbsd-reallocarray.c
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--- giflib-5.1.4.orig/lib/openbsd-reallocarray.c	2018-02-28 20:31:02.295682659 +0100
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+++ giflib-5.1.4/lib/openbsd-reallocarray.c	2018-02-28 22:38:11.656126428 +0100
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@@ -27,7 +27,7 @@
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 #define MUL_NO_OVERFLOW	((size_t)1 << (sizeof(size_t) * 4))
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 void *
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-reallocarray(void *optr, size_t nmemb, size_t size)
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+giflib_private_reallocarray(void *optr, size_t nmemb, size_t size)
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 {
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 	if ((nmemb >= MUL_NO_OVERFLOW || size >= MUL_NO_OVERFLOW) &&
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 	    nmemb > 0 && SIZE_MAX / nmemb < size) {
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