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(do_xifdef): Warn about `#ifdef 0' if not traditional; formerly the

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warning was issued if not pedantic.

From-SVN: r10992
This commit is contained in:
Richard Kenner 1996-01-15 14:38:51 -05:00
parent 58a0888230
commit e20566775f
1 changed files with 7 additions and 5 deletions
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12
gcc/cccp.c
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@ -1,5 +1,5 @@
/* C Compatible Compiler Preprocessor (CCCP)
Copyright (C) 1986, 87, 89, 92, 93, 94, 1995 Free Software Foundation, Inc.
Copyright (C) 1986, 87, 89, 92-95, 1996 Free Software Foundation, Inc.
Written by Paul Rubin, June 1986
Adapted to ANSI C, Richard Stallman, Jan 1987
@ -7046,10 +7046,12 @@ do_xifdef (buf, limit, op, keyword)
} else {
HASHNODE *hp;
if (pedantic && buf[0] >= '0' && buf[0] <= '9')
pedwarn ("`#%s' argument starts with a digit", keyword->name);
else if (end != limit && !traditional)
pedwarn ("garbage at end of `#%s' argument", keyword->name);
if (! traditional) {
if (isdigit (buf[0]))
pedwarn ("`#%s' argument starts with a digit", keyword->name);
else if (end != limit)
pedwarn ("garbage at end of `#%s' argument", keyword->name);
}
hp = lookup (buf, end-buf, -1);