Page MenuHomePhabricator
Differential D9383 Diff 28110 src/secp256k1/src/util.h

Changeset View

Standalone View

View Options

src/secp256k1/src/util.h

Show First 20 Lines • Show All 135 Lines • ▼ Show 20 Linesstatic SECP256K1_INLINE void *manual_alloc(void** prealloc_ptr, size_t alloc_size, void* base, size_t max_size) {
void* ret; void* ret;
VERIFY_CHECK(prealloc_ptr != NULL); VERIFY_CHECK(prealloc_ptr != NULL);
VERIFY_CHECK(*prealloc_ptr != NULL); VERIFY_CHECK(*prealloc_ptr != NULL);
VERIFY_CHECK(base != NULL); VERIFY_CHECK(base != NULL);
VERIFY_CHECK((unsigned char*)*prealloc_ptr >= (unsigned char*)base); VERIFY_CHECK((unsigned char*)*prealloc_ptr >= (unsigned char*)base);
VERIFY_CHECK(((unsigned char*)*prealloc_ptr - (unsigned char*)base) % ALIGNMENT == 0); VERIFY_CHECK(((unsigned char*)*prealloc_ptr - (unsigned char*)base) % ALIGNMENT == 0);
VERIFY_CHECK((unsigned char*)*prealloc_ptr - (unsigned char*)base + aligned_alloc_size <= max_size); VERIFY_CHECK((unsigned char*)*prealloc_ptr - (unsigned char*)base + aligned_alloc_size <= max_size);
ret = *prealloc_ptr; ret = *prealloc_ptr;
*((unsigned char**)prealloc_ptr) += aligned_alloc_size; *prealloc_ptr = (unsigned char*)*prealloc_ptr + aligned_alloc_size;
return ret; return ret;
} }
/* Macro for restrict, when available and not in a VERIFY build. */ /* Macro for restrict, when available and not in a VERIFY build. */
#if defined(SECP256K1_BUILD) && defined(VERIFY) #if defined(SECP256K1_BUILD) && defined(VERIFY)
# define SECP256K1_RESTRICT # define SECP256K1_RESTRICT
#else #else
# if (!defined(__STDC_VERSION__) || (__STDC_VERSION__ < 199901L) ) # if (!defined(__STDC_VERSION__) || (__STDC_VERSION__ < 199901L) )
▲ Show 20 Lines • Show All 127 Lines • Show Last 20 Lines