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Skip nulls in putback to don't confuse with EOFs

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This commit is contained in:
Andrey A. Chernov 1994-12-19 00:26:20 +00:00
parent 6185408336
commit b63b4cdb92
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=5167
1 changed files with 2 additions and 0 deletions
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2
usr.bin/m4/misc.c
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@ -77,6 +77,8 @@ int c;
{
if (c == EOF)
c = 0;
else if (c == 0)
return;
if (bp < endpbb)
*bp++ = c;
else