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Handle unlikely overflow and silence clang warning

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Aaron Culliney 2014-06-21 14:51:41 -07:00
parent cecc78e824
commit ea71d197e0
1 changed files with 8 additions and 1 deletions
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9
src/zlib-helpers.c
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@ -92,7 +92,14 @@ const char *def(const char* const src, const int expected_bytecount)
} }
if (buflen > 0) { if (buflen > 0) {
size_t written = gzwrite(gzdest, buf, buflen); unsigned int buflen_ = 0;
if (buflen > UINT_MAX) {
ERRLOG("OOPS buffer is huge!");
break;
} else {
buflen_ = (unsigned int)buflen;
}
size_t written = gzwrite(gzdest, buf, buflen_);
if (written < buflen) { if (written < buflen) {
ERRLOG("OOPS gzwrite ..."); ERRLOG("OOPS gzwrite ...");
break; break;