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stream: fix a nasty bug that completely messed up with the streambuf

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structure tracking. Now when the new streambuf position is exactly at
the end of the previous streambuf, we only fuzz the streambuf if new
data is available (i.e. when streambuf_count != 0); otherwise, it just
means that we’re at the end of the file, waiting for new read orders.
This commit is contained in:
Sam Hocevar
2015-01-20 01:32:51 +01:00
parent 1d0fd3c370
commit 6ccb82a9ff
2 changed files with 40 additions and 19 deletions
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test/check-utils
+3 -1
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@@ -83,8 +83,10 @@ checkutils()
check "$ZZOPTS" "$ZZAT -x \"repeat(-1,__fread_chk(1,1000),feof(1))\" $file" \
"Gentoo __fread_chk() bug regression"
fi
check "$ZZOPTS" "$ZZAT -x \"fread(1,4095) fread(1,1) fseek(0,SEEK_SET) fread(1,33000)\" $file" \
"streambuf end bug regression"
check "$ZZOPTS" "$ZZAT -x \"fread(1,32768) fseek(-100,SEEK_END) fread(1,1) fseek(-1,SEEK_END) fread(1,1) fseek(-100,SEEK_CUR) fread(1,100)\" $file" \
"fread(1) before EOF bug regression"
"streambuf end bug regression"
# Misc tests
for n in \
"fread(1,33000)" \