From f5ec0fa592f9e23625de38673d22c4c7ee0fdfad Mon Sep 17 00:00:00 2001
From: Magnus Holmgren <magnushol@gmail.com>
Date: Sun, 18 Sep 2005 12:44:27 +0000
Subject: iriver: fix problem with playing some long vorbis files (e.g., this
 week in tech, #21); the decoder would run out of memory and freeze rockbox.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7526 a1c6a512-1295-4272-9138-f99709370657
---
 apps/codecs/codec.h        | 9 +++++++--
 apps/codecs/lib/codeclib.h | 6 +++++-
 apps/codecs/lib/xxx2wav.c  | 2 ++
 apps/codecs/lib/xxx2wav.h  | 6 +++++-
 4 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/apps/codecs/codec.h b/apps/codecs/codec.h
index 0da653cf04..f954d1bc4d 100644
--- a/apps/codecs/codec.h
+++ b/apps/codecs/codec.h
@@ -29,16 +29,21 @@
  * be implemented elsewhere */
 #define malloc(x) codec_malloc(x)
 #define calloc(x,y) codec_calloc(x,y)
-#define alloca(x) codec_alloca(x)
 #define realloc(x,y) codec_realloc(x,y)
 #define free(x) codec_free(x)
 
 void* codec_malloc(size_t size);
 void* codec_calloc(size_t nmemb, size_t size);
-void* codec_alloca(size_t size);
 void* codec_realloc(void* ptr, size_t size);
 void codec_free(void* ptr);
 
+#if !defined(SIMULATOR)
+#define alloca __builtin_alloca
+#else
+#define alloca(x) codec_alloca(x)
+void* codec_alloca(size_t size);
+#endif
+
 #define abs(x) ((x)>0?(x):-(x))
 #define labs(x) abs(x)
 
diff --git a/apps/codecs/lib/codeclib.h b/apps/codecs/lib/codeclib.h
index 3fc03bd122..d6bbfd3888 100644
--- a/apps/codecs/lib/codeclib.h
+++ b/apps/codecs/lib/codeclib.h
@@ -28,9 +28,13 @@ extern unsigned char* mallocbuf;  /* 512K from the start of MP3 buffer */
 
 void* codec_malloc(size_t size);
 void* codec_calloc(size_t nmemb, size_t size);
-void* codec_alloca(size_t size);
 void* codec_realloc(void* ptr, size_t size);
 void codec_free(void* ptr);
+
+#if defined(SIMULATOR)
+void* codec_alloca(size_t size);
+#endif
+
 void *memcpy(void *dest, const void *src, size_t n);
 void *memset(void *s, int c, size_t n);
 int memcmp(const void *s1, const void *s2, size_t n);
diff --git a/apps/codecs/lib/xxx2wav.c b/apps/codecs/lib/xxx2wav.c
index cd09d32450..776b29acfd 100644
--- a/apps/codecs/lib/xxx2wav.c
+++ b/apps/codecs/lib/xxx2wav.c
@@ -56,12 +56,14 @@ void* codec_calloc(size_t nmemb, size_t size)
     return(x);
 }
 
+#if defined(SIMULATOR)
 void* codec_alloca(size_t size)
 {
     void* x;
     x = codec_malloc(size);
     return(x);
 }
+#endif
 
 void codec_free(void* ptr) {
     (void)ptr;
diff --git a/apps/codecs/lib/xxx2wav.h b/apps/codecs/lib/xxx2wav.h
index 2c9a73729c..e1e76078f2 100644
--- a/apps/codecs/lib/xxx2wav.h
+++ b/apps/codecs/lib/xxx2wav.h
@@ -46,9 +46,13 @@ extern unsigned char* filebuf;    // The rest of the MP3 buffer
 
 void* codec_malloc(size_t size);
 void* codec_calloc(size_t nmemb, size_t size);
-void* codec_alloca(size_t size);
 void* codec_realloc(void* ptr, size_t size);
 void codec_free(void* ptr);
+
+#if defined(SIMULATOR)
+void* codec_alloca(size_t size);
+#endif
+
 size_t strlen(const char *s);
 char *strcpy(char *dest, const char *src);
 char *strcat(char *dest, const char *src);
-- 
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