X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=dosdemo;a=blobdiff_plain;f=libs%2Fmikmod%2Fmmio%2Fmmalloc.c;fp=libs%2Fmikmod%2Fmmio%2Fmmalloc.c;h=ed5fd4684c000db267855e88f196e00ded5feff5;hp=0000000000000000000000000000000000000000;hb=cf94899f4f4d8535074db6421245b973d2fcde8c;hpb=8024ae981f39d370af5cceb3cb97f62820b0a120

diff --git a/libs/mikmod/mmio/mmalloc.c b/libs/mikmod/mmio/mmalloc.c
new file mode 100644
index 0000000..ed5fd46
--- /dev/null
+++ b/libs/mikmod/mmio/mmalloc.c
@@ -0,0 +1,142 @@
+/*	MikMod sound library
+	(c) 1998, 1999 Miodrag Vallat and others - see file AUTHORS for
+	complete list.
+
+	This library is free software; you can redistribute it and/or modify
+	it under the terms of the GNU Library General Public License as
+	published by the Free Software Foundation; either version 2 of
+	the License, or (at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU Library General Public License for more details.
+
+	You should have received a copy of the GNU Library General Public
+	License along with this library; if not, write to the Free Software
+	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+	02111-1307, USA.
+*/
+
+/*==============================================================================
+
+  $Id$
+
+  Dynamic memory routines
+
+==============================================================================*/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#ifdef HAVE_POSIX_MEMALIGN
+#define _XOPEN_SOURCE 600 /* for posix_memalign */
+#endif
+
+#include "string.h"
+#include "mikmod_internals.h"
+
+#if defined(HAVE_SSE2) || defined(HAVE_ALTIVEC)
+#undef WIN32_ALIGNED_MALLOC
+#if defined(_WIN32) && !defined(_WIN32_WCE)
+# if defined(_WIN64) /* OK with MSVC and MinGW */
+#  define WIN32_ALIGNED_MALLOC
+# elif defined(_MSC_VER) && (_MSC_VER >= 1300)
+#  define WIN32_ALIGNED_MALLOC
+# elif defined(__MINGW32__)
+  /* no guarantees that msvcrt.dll will have it */
+# endif
+#endif
+
+#define PTRSIZE (sizeof(void*))
+
+/* return a 16 byte aligned address */
+void* MikMod_amalloc(size_t size)
+{
+	void *d;
+#if defined(HAVE_POSIX_MEMALIGN)
+	if (!posix_memalign(&d, 16, size)) {
+		memset(d, 0, size);
+		return d;
+	}
+#elif defined(WIN32_ALIGNED_MALLOC)
+	d = _aligned_malloc(size, 16);
+	if (d) {
+		ZeroMemory(d, size);
+		return d;
+	}
+#else
+	size_t s = (size)? ((size + (PTRSIZE-1)) & ~(PTRSIZE-1)) : PTRSIZE;
+	s += PTRSIZE + 16;
+	d = calloc(1, s);
+	if (d) {
+		char *pptr = (char *)d + PTRSIZE;
+		size_t err = ((size_t)pptr) & 15;
+		char *fptr = pptr + (16 - err);
+		*(size_t*)(fptr - PTRSIZE) = (size_t)d;
+		return fptr;
+	}
+#endif
+
+	_mm_errno = MMERR_OUT_OF_MEMORY;
+	if(_mm_errorhandler) _mm_errorhandler();
+	return NULL;
+}
+
+void MikMod_afree(void *data)
+{
+	if (!data) return;
+#if defined(HAVE_POSIX_MEMALIGN)
+	free(data);
+#elif defined(WIN32_ALIGNED_MALLOC)
+	_aligned_free(data);
+#else
+	free((void *) *(size_t*)((unsigned char *)data - PTRSIZE));
+#endif
+}
+#endif /* (HAVE_SSE2) || (HAVE_ALTIVEC) */
+
+void* MikMod_realloc(void *data, size_t size)
+{
+	if (data) return realloc(data, size);
+	return calloc(1, size);
+}
+
+/* Same as malloc, but sets error variable _mm_error when fails */
+void* MikMod_malloc(size_t size)
+{
+	return MikMod_calloc(1, size);
+}
+
+/* Same as calloc, but sets error variable _mm_error when fails */
+void* MikMod_calloc(size_t nitems, size_t size)
+{
+	void *d = calloc(nitems, size);
+	if (d) return d;
+
+	_mm_errno = MMERR_OUT_OF_MEMORY;
+	if(_mm_errorhandler) _mm_errorhandler();
+	return NULL;
+}
+
+void MikMod_free(void *data)
+{
+	if (data) free(data);
+}
+
+/* like strdup(), but the result must be freed using MikMod_free() */
+CHAR *MikMod_strdup(const CHAR *s)
+{
+	size_t l;
+	CHAR *d;
+
+	if (!s) return NULL;
+
+	l = strlen(s) + 1;
+	d = (CHAR *) MikMod_calloc(1, l * sizeof(CHAR));
+	if (d) strcpy(d, s);
+	return d;
+}
+
+/* ex:set ts=4: */