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-rw-r--r--firmware/buffer.c25
1 files changed, 14 insertions, 11 deletions
diff --git a/firmware/buffer.c b/firmware/buffer.c
index a21a882ff2..4ede24df21 100644
--- a/firmware/buffer.c
+++ b/firmware/buffer.c
@@ -72,19 +72,22 @@ void *buffer_alloc(size_t size)
72 72
73#ifdef BUFFER_ALLOC_DEBUG 73#ifdef BUFFER_ALLOC_DEBUG
74 retval +=sizeof(struct buffer_start_marker); 74 retval +=sizeof(struct buffer_start_marker);
75 end=(struct buffer_end_marker*)(audiobuf - sizeof(struct buffer_end_marker)); 75 if(size>0)
76 if(end->magic == BUF_MAGIC)
77 { 76 {
78 end->last=0; 77 end=(struct buffer_end_marker*)(audiobuf - sizeof(struct buffer_end_marker));
79 } 78 if(end->magic == BUF_MAGIC)
80 start=(struct buffer_start_marker*)audiobuf; 79 {
81 start->magic = BUF_MAGIC; 80 end->last=0;
82 start->buffer_size = size; 81 }
83 end=(struct buffer_end_marker*)(audiobuf+sizeof(struct buffer_start_marker)+size); 82 start=(struct buffer_start_marker*)audiobuf;
84 end->magic = BUF_MAGIC; 83 start->magic = BUF_MAGIC;
85 end->last = 1; 84 start->buffer_size = size;
85 end=(struct buffer_end_marker*)(audiobuf+sizeof(struct buffer_start_marker)+size);
86 end->magic = BUF_MAGIC;
87 end->last = 1;
86 88
87 audiobuf = ((unsigned char *)end) + sizeof(struct buffer_end_marker); 89 audiobuf = ((unsigned char *)end) + sizeof(struct buffer_end_marker);
90 }
88 91
89 logf("Alloc %x %d",(unsigned int)retval,size); 92 logf("Alloc %x %d",(unsigned int)retval,size);
90#else /* !BUFFER_ALLOC_DEBUG */ 93#else /* !BUFFER_ALLOC_DEBUG */