Changeset 30763fd for libcfa/src/stdlib.cfa
- Timestamp:
- Nov 26, 2019, 3:20:30 PM (5 years ago)
- Branches:
- ADT, arm-eh, ast-experimental, enum, forall-pointer-decay, jacob/cs343-translation, master, new-ast, new-ast-unique-expr, pthread-emulation, qualifiedEnum
- Children:
- d4f1521
- Parents:
- 7768b8d (diff), 58e280f4 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
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libcfa/src/stdlib.cfa
r7768b8d r30763fd 10 10 // Created On : Thu Jan 28 17:10:29 2016 11 11 // Last Modified By : Peter A. Buhr 12 // Last Modified On : Tue Oct 22 08:57:52201913 // Update Count : 4 7812 // Last Modified On : Wed Nov 20 17:22:47 2019 13 // Update Count : 485 14 14 // 15 15 … … 30 30 T * alloc_set( T ptr[], size_t dim, char fill ) { // realloc array with fill 31 31 size_t olen = malloc_usable_size( ptr ); // current allocation 32 char * nptr = (char*)realloc( (void *)ptr, dim * sizeof(T) ); // C realloc32 void * nptr = (void *)realloc( (void *)ptr, dim * sizeof(T) ); // C realloc 33 33 size_t nlen = malloc_usable_size( nptr ); // new allocation 34 34 if ( nlen > olen ) { // larger ? 35 memset( nptr + olen, (int)fill, nlen - olen ); // initialize added storage35 memset( (char *)nptr + olen, (int)fill, nlen - olen ); // initialize added storage 36 36 } // if 37 37 return (T *)nptr; 38 38 } // alloc_set 39 39 40 T * alloc_align( T ptr[], size_t align ) { // aligned realloc array41 char * nptr;42 size_t alignment = malloc_alignment( ptr );43 if ( align != alignment && (uintptr_t)ptr % align != 0 ) {44 size_t olen = malloc_usable_size( ptr ); // current allocation45 nptr = (char *)memalign( align, olen );46 size_t nlen = malloc_usable_size( nptr ); // new allocation47 size_t lnth = olen < nlen ? olen : nlen; // min48 memcpy( nptr, ptr, lnth ); // initialize storage49 free( ptr );50 } else {51 nptr = (char *)ptr;52 } // if53 return (T *)nptr;54 } // alloc_align55 56 T * alloc_align( T ptr[], size_t align, size_t dim ) { // aligned realloc array57 char * nptr;58 size_t alignment = malloc_alignment( ptr );59 if ( align != alignment ) {60 size_t olen = malloc_usable_size( ptr ); // current allocation61 nptr = (char *)memalign( align, dim * sizeof(T) );62 size_t nlen = malloc_usable_size( nptr ); // new allocation63 size_t lnth = olen < nlen ? olen : nlen; // min64 memcpy( nptr, ptr, lnth ); // initialize storage65 free( ptr );66 } else {67 nptr = (char *)realloc( (void *)ptr, dim * sizeof(T) ); // C realloc68 } // if69 return (T *)nptr;70 } // alloc_align71 72 40 T * alloc_align_set( T ptr[], size_t align, char fill ) { // aligned realloc with fill 73 41 size_t olen = malloc_usable_size( ptr ); // current allocation 74 char * nptr = alloc_align( ptr, align ); 42 void * nptr = (void *)realloc( (void *)ptr, align, sizeof(T) ); // CFA realloc 43 // char * nptr = alloc_align( ptr, align ); 75 44 size_t nlen = malloc_usable_size( nptr ); // new allocation 76 45 if ( nlen > olen ) { // larger ? 77 memset( nptr + olen, (int)fill, nlen - olen ); // initialize added storage46 memset( (char *)nptr + olen, (int)fill, nlen - olen ); // initialize added storage 78 47 } // if 79 48 return (T *)nptr;
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