summaryrefslogtreecommitdiffstats
path: root/Modules
diff options
context:
space:
mode:
authorSerhiy Storchaka <storchaka@gmail.com>2013-10-20 06:42:26 (GMT)
committerSerhiy Storchaka <storchaka@gmail.com>2013-10-20 06:42:26 (GMT)
commitce82eb2e13d909bb399b40822bc1aae777acb814 (patch)
tree488bd0ef27547aef50eb67828ac3f4a0f7f62d01 /Modules
parentd49c47bfb0ea3bc2e7d8778d8002c0f628d97488 (diff)
downloadcpython-ce82eb2e13d909bb399b40822bc1aae777acb814.zip
cpython-ce82eb2e13d909bb399b40822bc1aae777acb814.tar.gz
cpython-ce82eb2e13d909bb399b40822bc1aae777acb814.tar.bz2
Issue #12866: Fix bias() for 24-bit. Add more tests.
Diffstat (limited to 'Modules')
-rw-r--r--Modules/audioop.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/Modules/audioop.c b/Modules/audioop.c
index 362dc06..5e1de1b 100644
--- a/Modules/audioop.c
+++ b/Modules/audioop.c
@@ -985,10 +985,12 @@ audioop_bias(PyObject *self, PyObject *args)
val = GETINTX(unsigned char, cp, i);
else if (size == 2)
val = GETINTX(unsigned short, cp, i);
- else if (size == 2)
+ else if (size == 3)
val = ((unsigned int)GETINT24(cp, i)) & 0xffffffu;
- else
+ else {
+ assert(size == 4);
val = GETINTX(PY_UINT32_T, cp, i);
+ }
val += (unsigned int)bias;
/* wrap around in case of overflow */
@@ -998,10 +1000,12 @@ audioop_bias(PyObject *self, PyObject *args)
SETINTX(unsigned char, ncp, i, val);
else if (size == 2)
SETINTX(unsigned short, ncp, i, val);
- else if (size == 2)
+ else if (size == 3)
SETINT24(ncp, i, (int)val);
- else
+ else {
+ assert(size == 4);
SETINTX(PY_UINT32_T, ncp, i, val);
+ }
}
return rv;
}