Improve rule for possibly never read variables.

Originally committed as revision 23578 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago · b6c265ec2b
parent c404e783b9
commit b6c265ec2b
1 changed files with 1 additions and 1 deletions
--- a/tools/patcheck
+++ b/tools/patcheck
@ -112,7 +112,7 @@ for i in \
    ; do
    echo $i | grep '^NULL$' && continue
    egrep $i' *(\+|-|\*|/|\||&|%|)=[^=]' $* >/dev/null || echo "possibly never written:"$i >> $TMP
-    egrep '(=|\(|return).*'$i'[^=]*$'    $* >/dev/null || echo "possibly never read   :"$i >> $TMP
+    egrep '(=|\(|return).*'$i'(==|[^=])*$'    $* >/dev/null || echo "possibly never read   :"$i >> $TMP
    egrep -o $i' *((\+|-|\*|/|\||&|%|)=[^=]|\+\+|--) *(0x|)[0-9]*(;|)'   $* |\
           egrep -v $i' *= *(0x|)[0-9]{1,};'>/dev/null || echo "possibly constant     :"$i >> $TMP
 done