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-rw-r--r--src/H5detect.c26
1 files changed, 20 insertions, 6 deletions
diff --git a/src/H5detect.c b/src/H5detect.c
index b79911d..73ded41 100644
--- a/src/H5detect.c
+++ b/src/H5detect.c
@@ -195,17 +195,31 @@ precision (detected_t *d)
*/
#define DETECT_I(TYPE,VAR,INFO) { \
TYPE _v; \
+ int _int_v; \
int _i, _j; \
unsigned char *_x; \
+ \
memset (&INFO, 0, sizeof(INFO)); \
INFO.varname = #VAR; \
INFO.size = sizeof(TYPE); \
- for (_i=sizeof(TYPE),_v=0; _i>0; --_i) _v = (_v<<8) + _i; \
- for (_i=0,_x=(unsigned char *)&_v; _i<(signed)sizeof(TYPE); _i++) { \
- _j = (*_x++)-1; \
- assert (_j<(signed)sizeof(TYPE)); \
- INFO.perm[_i] = _j; \
- } \
+ \
+ if(sizeof(TYPE)!=1) { \
+ for (_i=sizeof(TYPE),_v=0; _i>0; --_i) _v = (_v<<8) + _i; \
+ for (_i=0,_x=(unsigned char *)&_v; _i<(signed)sizeof(TYPE); _i++) { \
+ _j = (*_x++)-1; \
+ assert (_j<(signed)sizeof(TYPE)); \
+ INFO.perm[_i] = _j; \
+ } \
+ } else { /*Not able to detect order if type size is 1 byte. Use native int \
+ *instead. No effect on data, just make it look correct. */ \
+ for (_i=sizeof(int),_int_v=0; _i>0; --_i) _int_v = (_int_v<<8) + _i; \
+ for (_i=0,_x=(unsigned char *)&_int_v; _i<(signed)sizeof(int); _i++) { \
+ _j = (*_x++)-1; \
+ assert (_j<(signed)sizeof(int)); \
+ INFO.perm[_i] = _j; \
+ } \
+ } \
+ \
INFO.sign = ('U'!=*(#VAR)); \
precision (&(INFO)); \
ALIGNMENT(TYPE, INFO); \