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authordkf <donal.k.fellows@manchester.ac.uk>2012-08-04 07:52:39 (GMT)
committerdkf <donal.k.fellows@manchester.ac.uk>2012-08-04 07:52:39 (GMT)
commit4aff1e5a4ca6dc45fa445b23777e3d8dd728c82c (patch)
treef191ab6d4e59ba4240dd4544b19de87c4da601dd /compat/zlib/contrib/minizip/mztools.c
parent945186c2fac7c4c3ba9275d1c6cbb45b8e10a954 (diff)
parent24ef33dc101a3e9114318b884c1e99d792f4739d (diff)
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Diffstat (limited to 'compat/zlib/contrib/minizip/mztools.c')
-rw-r--r--compat/zlib/contrib/minizip/mztools.c24
1 files changed, 17 insertions, 7 deletions
diff --git a/compat/zlib/contrib/minizip/mztools.c b/compat/zlib/contrib/minizip/mztools.c
index f9092e6..96891c2 100644
--- a/compat/zlib/contrib/minizip/mztools.c
+++ b/compat/zlib/contrib/minizip/mztools.c
@@ -42,7 +42,7 @@ uLong* bytesRecovered;
int entries = 0;
uLong totalBytes = 0;
char header[30];
- char filename[256];
+ char filename[1024];
char extra[1024];
int offset = 0;
int offsetCD = 0;
@@ -73,9 +73,14 @@ uLong* bytesRecovered;
/* Filename */
if (fnsize > 0) {
- if (fread(filename, 1, fnsize, fpZip) == fnsize) {
- if (fwrite(filename, 1, fnsize, fpOut) == fnsize) {
- offset += fnsize;
+ if (fnsize < sizeof(filename)) {
+ if (fread(filename, 1, fnsize, fpZip) == fnsize) {
+ if (fwrite(filename, 1, fnsize, fpOut) == fnsize) {
+ offset += fnsize;
+ } else {
+ err = Z_ERRNO;
+ break;
+ }
} else {
err = Z_ERRNO;
break;
@@ -91,9 +96,14 @@ uLong* bytesRecovered;
/* Extra field */
if (extsize > 0) {
- if (fread(extra, 1, extsize, fpZip) == extsize) {
- if (fwrite(extra, 1, extsize, fpOut) == extsize) {
- offset += extsize;
+ if (extsize < sizeof(extra)) {
+ if (fread(extra, 1, extsize, fpZip) == extsize) {
+ if (fwrite(extra, 1, extsize, fpOut) == extsize) {
+ offset += extsize;
+ } else {
+ err = Z_ERRNO;
+ break;
+ }
} else {
err = Z_ERRNO;
break;