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Merge pull request #10 from pornel/const

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Declare inbuffer arg in jpeg_mem_src() to be const
This reassures the caller that the buffer will not be modified and also
allows read-only buffers to be passed to the function.
This commit is contained in:
DRC
2015-08-13 16:51:08 -05:00
parent 8fb37b8171 7222ec2717
commit b2db23c449
2 changed files with 4 additions and 3 deletions
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4
jdatasrc.c
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@@ -254,7 +254,7 @@ jpeg_stdio_src (j_decompress_ptr cinfo, FILE * infile)
GLOBAL(void)
jpeg_mem_src (j_decompress_ptr cinfo,
unsigned char * inbuffer, unsigned long insize)
const unsigned char * inbuffer, unsigned long insize)
{
struct jpeg_source_mgr * src;
@@ -278,6 +278,6 @@ jpeg_mem_src (j_decompress_ptr cinfo,
src->resync_to_restart = jpeg_resync_to_restart; /* use default method */
src->term_source = term_source;
src->bytes_in_buffer = (size_t) insize;
src->next_input_byte = (JOCTET *) inbuffer;
src->next_input_byte = (const JOCTET *) inbuffer;
}
#endif

3
jpeglib.h
View File

@@ -919,7 +919,8 @@ EXTERN(void) jpeg_stdio_src (j_decompress_ptr cinfo, FILE * infile);
/* Data source and destination managers: memory buffers. */
EXTERN(void) jpeg_mem_dest (j_compress_ptr cinfo, unsigned char ** outbuffer,
unsigned long * outsize);
EXTERN(void) jpeg_mem_src (j_decompress_ptr cinfo, unsigned char * inbuffer,
EXTERN(void) jpeg_mem_src (j_decompress_ptr cinfo,
const unsigned char * inbuffer,
unsigned long insize);
#endif