gnu: audiofile: Shorten patch file names.

At least 'audiofile-division-by-zero-BlockCodec-runPull.patch' could end
up not being included in a tarball.

* gnu/packages/patches/audiofile-Check-the-number-of-coefficients.patch:
Rename to...
* gnu/packages/patches/audiofile-check-number-of-coefficients.patch:
... this.
* gnu/packages/patches/audiofile-division-by-zero-BlockCodec-runPull.patch:
Rename to...
* gnu/packages/patches/audiofile-division-by-zero.patch: ....this.
* gnu/packages/patches/audiofile-signature-of-multiplyCheckOverflow.patch:
Rename to...
* gnu/packages/patches/audiofile-function-signature.patch: ... this.
* gnu/packages/patches/audiofile-Fix-multiply-overflow-sfconvert.patch:
Rename to....
* gnu/packages/patches/audiofile-multiply-overflow.patch: ... this.
* gnu/packages/patches/audiofile-Fix-overflow-in-MSADPCM-decodeSam.patch:
Rename to...
* gnu/packages/patches/audiofile-overflow-in-MSADPCM.patch: ... this.
* gnu/packages/audio.scm (audiofile)[source]: Adjust accordingly.
* gnu/local.mk (dist_patch_DATA): Likewise.

1 files changed, 30 insertions, 0 deletions

diff --git a/gnu/packages/patches/audiofile-check-number-of-coefficients.patch b/gnu/packages/patches/audiofile-check-number-of-coefficients.patch
new file mode 100644
index 0000000000..f9427cbe61
--- /dev/null
+++ b/gnu/packages/patches/audiofile-check-number-of-coefficients.patch
@@ -0,0 +1,30 @@
+From: Antonio Larrosa <larrosa@kde.org>
+Date: Mon, 6 Mar 2017 12:51:22 +0100
+Subject: Always check the number of coefficients
+
+When building the library with NDEBUG, asserts are eliminated
+so it's better to always check that the number of coefficients
+is inside the array range.
+
+This fixes the 00191-audiofile-indexoob issue in #41
+---
+ libaudiofile/WAVE.cpp | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/libaudiofile/WAVE.cpp b/libaudiofile/WAVE.cpp
+index 9dd8511..0fc48e8 100644
+--- a/libaudiofile/WAVE.cpp
++++ b/libaudiofile/WAVE.cpp
+@@ -281,6 +281,12 @@ status WAVEFile::parseFormat(const Tag &id, uint32_t size)
+ 
+ 			/* numCoefficients should be at least 7. */
+ 			assert(numCoefficients >= 7 && numCoefficients <= 255);
++			if (numCoefficients < 7 || numCoefficients > 255)
++			{
++				_af_error(AF_BAD_HEADER,
++						"Bad number of coefficients");
++				return AF_FAIL;
++			}
+ 
+ 			m_msadpcmNumCoefficients = numCoefficients;
+