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authorIngo Schwarze <schwarze@cvs.openbsd.org>2014-03-07 18:37:33 +0000
committerIngo Schwarze <schwarze@cvs.openbsd.org>2014-03-07 18:37:33 +0000
commitae7dfe87886f2abbc46f5b44b71e097b7e18d8b9 (patch)
treee863ef8afcffe3cd67152c51d96ec6b8b9151907 /usr.bin
parenta9076407bf3f70c7a0211207dcd61829200fe3fd (diff)
In roff_cond_sub(), make sure that the incorrect input sequence `\\}',
when found on a macro line, does not close a conditional block. The companion function roff_cond_text() already did this correctly, but make the code more readable without functional change. While here, report the correct column number in related error messages.
Diffstat (limited to 'usr.bin')
-rw-r--r--usr.bin/mandoc/roff.c25
1 files changed, 13 insertions, 12 deletions
diff --git a/usr.bin/mandoc/roff.c b/usr.bin/mandoc/roff.c
index 2b695e4b917..b335ea866ad 100644
--- a/usr.bin/mandoc/roff.c
+++ b/usr.bin/mandoc/roff.c
@@ -1,4 +1,4 @@
-/* $Id: roff.c,v 1.69 2014/03/07 17:57:28 schwarze Exp $ */
+/* $Id: roff.c,v 1.70 2014/03/07 18:37:32 schwarze Exp $ */
/*
* Copyright (c) 2010, 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2010-2014 Ingo Schwarze <schwarze@openbsd.org>
@@ -1078,10 +1078,11 @@ roff_cond_sub(ROFF_ARGS)
/* Always check for the closing delimiter `\}'. */
while (NULL != (ep = strchr(ep, '\\'))) {
- if ('}' != *(++ep))
- continue;
- *ep = '&';
- roff_ccond(r, ln, pos);
+ if ('}' == *(++ep)) {
+ *ep = '&';
+ roff_ccond(r, ln, ep - *bufp - 1);
+ }
+ ++ep;
}
return(ROFFRULE_DENY == rr ? ROFF_IGN : ROFF_CONT);
}
@@ -1096,13 +1097,13 @@ roff_cond_text(ROFF_ARGS)
rr = r->last->rule;
roffnode_cleanscope(r);
- ep = &(*bufp)[pos];
- for ( ; NULL != (ep = strchr(ep, '\\')); ep++) {
- ep++;
- if ('}' != *ep)
- continue;
- *ep = '&';
- roff_ccond(r, ln, pos);
+ ep = *bufp + pos;
+ while (NULL != (ep = strchr(ep, '\\'))) {
+ if ('}' == *(++ep)) {
+ *ep = '&';
+ roff_ccond(r, ln, ep - *bufp - 1);
+ }
+ ++ep;
}
return(ROFFRULE_DENY == rr ? ROFF_IGN : ROFF_CONT);
}