#ifndef FLAC__SHARE__ALLOC_H
#define FLAC__SHARE__ALLOC_H
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
+
/* WATCHOUT: for c++ you may have to #define __STDC_LIMIT_MACROS 1 real early
* before #including this file, otherwise SIZE_MAX might not be defined
*/
#define SIZE_MAX SIZE_T_MAX
#endif
+#ifndef FLaC__INLINE
+#define FLaC__INLINE
+#endif
+
/* avoid malloc()ing 0 bytes, see:
* https://www.securecoding.cert.org/confluence/display/seccode/MEM04-A.+Do+not+make+assumptions+about+the+result+of+allocating+0+bytes?focusedCommentId=5407003
*/
-static void *safe_malloc_(size_t size)
+static FLaC__INLINE void *safe_malloc_(size_t size)
{
/* malloc(0) is undefined; FLAC src convention is to always allocate */
if(!size)
return malloc(size);
}
-static void *safe_calloc_(size_t nmemb, size_t size)
+static FLaC__INLINE void *safe_calloc_(size_t nmemb, size_t size)
{
if(!nmemb || !size)
return malloc(1); /* malloc(0) is undefined; FLAC src convention is to always allocate */
/*@@@@ there's probably a better way to prevent overflows when allocating untrusted sums but this works for now */
-static void *safe_malloc_add_2op_(size_t size1, size_t size2)
+static FLaC__INLINE void *safe_malloc_add_2op_(size_t size1, size_t size2)
{
size2 += size1;
if(size2 < size1)
return safe_malloc_(size2);
}
-static void *safe_malloc_add_3op_(size_t size1, size_t size2, size_t size3)
+static FLaC__INLINE void *safe_malloc_add_3op_(size_t size1, size_t size2, size_t size3)
{
size2 += size1;
if(size2 < size1)
return safe_malloc_(size3);
}
-static void *safe_malloc_add_4op_(size_t size1, size_t size2, size_t size3, size_t size4)
+static FLaC__INLINE void *safe_malloc_add_4op_(size_t size1, size_t size2, size_t size3, size_t size4)
{
size2 += size1;
if(size2 < size1)
return safe_malloc_(size4);
}
-static void *safe_malloc_mul_2op_(size_t size1, size_t size2)
+static FLaC__INLINE void *safe_malloc_mul_2op_(size_t size1, size_t size2)
#if 0
needs support for cases where sizeof(size_t) != 4
{
}
#endif
-static void *safe_malloc_mul_3op_(size_t size1, size_t size2, size_t size3)
+static FLaC__INLINE void *safe_malloc_mul_3op_(size_t size1, size_t size2, size_t size3)
{
if(!size1 || !size2 || !size3)
return malloc(1); /* malloc(0) is undefined; FLAC src convention is to always allocate */
}
/* size1*size2 + size3 */
-static void *safe_malloc_mul2add_(size_t size1, size_t size2, size_t size3)
+static FLaC__INLINE void *safe_malloc_mul2add_(size_t size1, size_t size2, size_t size3)
{
if(!size1 || !size2)
return safe_malloc_(size3);
}
/* size1 * (size2 + size3) */
-static void *safe_malloc_muladd2_(size_t size1, size_t size2, size_t size3)
+static FLaC__INLINE void *safe_malloc_muladd2_(size_t size1, size_t size2, size_t size3)
{
if(!size1 || (!size2 && !size3))
return malloc(1); /* malloc(0) is undefined; FLAC src convention is to always allocate */
return safe_malloc_mul_2op_(size1, size2);
}
-static void *safe_realloc_add_2op_(void *ptr, size_t size1, size_t size2)
+static FLaC__INLINE void *safe_realloc_add_2op_(void *ptr, size_t size1, size_t size2)
{
size2 += size1;
if(size2 < size1)
return realloc(ptr, size2);
}
-static void *safe_realloc_add_3op_(void *ptr, size_t size1, size_t size2, size_t size3)
+static FLaC__INLINE void *safe_realloc_add_3op_(void *ptr, size_t size1, size_t size2, size_t size3)
{
size2 += size1;
if(size2 < size1)
return realloc(ptr, size3);
}
-static void *safe_realloc_add_4op_(void *ptr, size_t size1, size_t size2, size_t size3, size_t size4)
+static FLaC__INLINE void *safe_realloc_add_4op_(void *ptr, size_t size1, size_t size2, size_t size3, size_t size4)
{
size2 += size1;
if(size2 < size1)
return realloc(ptr, size4);
}
-static void *safe_realloc_mul_2op_(void *ptr, size_t size1, size_t size2)
+static FLaC__INLINE void *safe_realloc_mul_2op_(void *ptr, size_t size1, size_t size2)
{
if(!size1 || !size2)
return realloc(ptr, 0); /* preserve POSIX realloc(ptr, 0) semantics */
}
/* size1 * (size2 + size3) */
-static void *safe_realloc_muladd2_(void *ptr, size_t size1, size_t size2, size_t size3)
+static FLaC__INLINE void *safe_realloc_muladd2_(void *ptr, size_t size1, size_t size2, size_t size3)
{
if(!size1 || (!size2 && !size3))
return realloc(ptr, 0); /* preserve POSIX realloc(ptr, 0) semantics */