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Issue #262 - Attempt to prevent undefined behavior

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This commit is contained in:
Justin Ethier 2018-06-14 17:33:56 -04:00
parent 5c54f45234
commit 0d40488d2e
1 changed files with 10 additions and 2 deletions
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8
include/cyclone/types.h
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@ -493,12 +493,20 @@ typedef uint32_t char_type;
/** /**
* Convert from an object to an integer. * Convert from an object to an integer.
*/ */
#ifdef __clang__
#define obj_obj2int(n) (((long)((ulong)(n) & ~1))/(long)(1uL<<1))
#else
#define obj_obj2int(x) ((long)(x)>>1) #define obj_obj2int(x) ((long)(x)>>1)
#endif
/** /**
* Convert from an integer to an object. * Convert from an integer to an object.
*/ */
#ifdef __clang__
#define obj_int2obj(n) ((void *) ((((long)(n))*(long)(1uL<<1)) | 1))
#else
#define obj_int2obj(c) ((void *)((((long)c)<<1) | 1)) #define obj_int2obj(c) ((void *)((((long)c)<<1) | 1))
#endif
/** /**
* Determine if the object is a char. * Determine if the object is a char.