Fix valgrind found memcpy issues in codec_ilbc.

Valgrind found codec_ilbc using memcpy instead of memmove for overlapping
memory blocks.

(issue ASTERISK-19890)
(closes issue ASTERISK-20231)
Reported by: Walter Doekes
Patches:
      ASTERISK-20231.patch (license #5674) patch uploaded by Walter Doekes
........

Merged revisions 373640 from http://svn.asterisk.org/svn/asterisk/branches/1.8

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/10@373645 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/codecs/ilbc/iLBC_decode.c b/codecs/ilbc/iLBC_decode.c
index 978d480ec1ed97b1ab8039610bde160813cdbb00..e7bda11644d112311c33dfcaa1964e73e65a8515 100644 (file)
--- a/codecs/ilbc/iLBC_decode.c
+++ b/codecs/ilbc/iLBC_decode.c
@@ -251,7 +251,7 @@
 
                /* update memory */
 
-               memcpy(mem, mem+SUBL, (CB_MEML-SUBL)*sizeof(float));
+               memmove(mem, mem+SUBL, (CB_MEML-SUBL)*sizeof(float));
                memcpy(mem+CB_MEML-SUBL,
 
 
@@ -299,7 +299,7 @@
 
                /* update memory */
 
-               memcpy(mem, mem+SUBL, (CB_MEML-SUBL)*sizeof(float));
+               memmove(mem, mem+SUBL, (CB_MEML-SUBL)*sizeof(float));
                memcpy(mem+CB_MEML-SUBL,
                    &reverseDecresidual[subframe*SUBL],
                    SUBL*sizeof(float));

diff --git a/codecs/ilbc/iLBC_encode.c b/codecs/ilbc/iLBC_encode.c
index 463641403083d2fbb2203a9abd00e0cc78b78db9..4c2e6f714cf231b717f6c5ddd0217897e335ed0d 100644 (file)
--- a/codecs/ilbc/iLBC_encode.c
+++ b/codecs/ilbc/iLBC_encode.c
@@ -308,7 +308,7 @@
 
                /* update memory */
 
-               memcpy(mem, mem+SUBL, (CB_MEML-SUBL)*sizeof(float));
+               memmove(mem, mem+SUBL, (CB_MEML-SUBL)*sizeof(float));
                memcpy(mem+CB_MEML-SUBL,
 
 
@@ -386,7 +386,7 @@
 
                /* update memory */
 
-               memcpy(mem, mem+SUBL, (CB_MEML-SUBL)*sizeof(float));
+               memmove(mem, mem+SUBL, (CB_MEML-SUBL)*sizeof(float));
                memcpy(mem+CB_MEML-SUBL,
                    &reverseDecresidual[subframe*SUBL],
                    SUBL*sizeof(float));