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add WebPFree() to the API

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this should be used in preference to free() for releasing memory
returned from WebPDecode*() / WebPEncode*(). this simplifies memory
management when working through language bindings

Change-Id: I15eb538a45390efc552fda8e5c251a3fbdc13c29
This commit is contained in:
James Zern
2015-07-06 23:11:29 -07:00
parent 0ae2c2e4b2
commit 822f113ebb
4 changed files with 21 additions and 21 deletions
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16
Makefile.vc
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@ -118,9 +118,7 @@ LIBWEBP = $(DIRLIB)\$(LIBWEBP_BASENAME).lib
LIBWEBPMUX = $(DIRLIB)\$(LIBWEBPMUX_BASENAME).lib
LIBWEBPDEMUX = $(DIRLIB)\$(LIBWEBPDEMUX_BASENAME).lib
!ELSE IF "$(DLLBUILD)" == "TRUE"
DLLC = webp_dll.c
DLLINC = webp_dll.h
DLL_OBJS = $(DIROBJ)\$(DLLC:.c=.obj)
CC = $(CC) /I$(DIROBJ) /FI$(DLLINC) $(RTLIB) /DWEBP_DLL
LIBWEBPDECODER = $(DIRLIB)\$(LIBWEBPDECODER_BASENAME)_dll.lib
LIBWEBP = $(DIRLIB)\$(LIBWEBP_BASENAME)_dll.lib
@ -350,7 +348,7 @@ $(LIBWEBP_OBJS) $(LIBWEBPMUX_OBJS) $(LIBWEBPDEMUX_OBJS): $(OUTPUT_DIRS)
!IF "$(DLLBUILD)" == "TRUE"
$(LIBWEBP_OBJS) $(LIBWEBPMUX_OBJS) $(LIBWEBPDEMUX_OBJS): \
$(DIROBJ)\$(DLLINC) $(DIROBJ)\$(DLLC)
$(DIROBJ)\$(DLLINC)
{$(DIROBJ)}.c{$(DIROBJ)}.obj:
$(CC) $(CFLAGS) /Fd$(LIBWEBP_PDBNAME) /Fo$@ $<
@ -363,7 +361,7 @@ $(LIBWEBPDECODER) $(LIBWEBP) $(LIBWEBPMUX) $(LIBWEBPDEMUX):
-xcopy $(DIROBJ)\*.pdb $(DIRLIB) /y
clean::
@-erase /s $(DIROBJ)\$(DLLC) $(DIROBJ)\$(DLLINC) 2> NUL
@-erase /s $(DIROBJ)\$(DLLINC) 2> NUL
!ELSE
$(LIBWEBPDECODER) $(LIBWEBP) $(LIBWEBPMUX) $(LIBWEBPDEMUX):
$(LNKLIB) /out:$@ $**
@ -380,16 +378,6 @@ $(DIROBJ)\$(DLLINC):
@echo #define WEBP_EXTERN(type) __declspec(dllexport) type >> $@
@echo #endif /* WEBP_DLL_H_ */ >> $@
# expose a WebPFree() function for use in managed code
$(DIROBJ)\$(DLLC): $(DIROBJ)\$(DLLINC)
@echo #include ^<stdlib.h^> > $@
@echo #include "webp_dll.h" >> $@
@echo // This function should be used in place of free() for memory >> $@
@echo // returned by the WebP API. >> $@
@echo WEBP_EXTERN(void) WebPFree(void* ptr) { >> $@
@echo free(ptr); >> $@
@echo } >> $@
.SUFFIXES: .c .cc .obj .res .exe
# File-specific flag builds. Note batch rules take precedence over wildcards,
# so for now name each file individually.