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psd_loader: Fix bad assumption about signedness of chars 

Whether "char" is signed or unsigned is architecture dependent, so if we
know we need a -1 in a char type we must declared it to be signed.
This commit is contained in:
Derek Foreman 2016-06-03 16:25:50 -05:00
parent 6c2a3a2034
commit 34ce296cac
1 changed files with 3 additions and 2 deletions
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5
src/modules/evas/image_loaders/psd/evas_image_load_psd.c
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@ -200,7 +200,8 @@ read_compressed_channel(const unsigned char *map, size_t length, size_t *positio
{
// FIXME: what does channel_length means, and why is it not used
unsigned int i;
char headbyte, c;
signed char headbyte;
unsigned char c;
#define CHECK_RET(Call) \
if (!Call) return READ_COMPRESSED_ERROR_FILE_READ_ERROR; \
@ -502,7 +503,7 @@ get_single_channel(PSD_Header *head,
Eina_Bool compressed)
{
unsigned int i, bpc;
char headbyte;
signed char headbyte;
int c;
int pixels_count;