SHA256
1
0
forked from pool/mandoc
mandoc/boo1209830-endless-loop.patch

81 lines
2.4 KiB
Diff

===================================================================
RCS file: /cvsrepo/anoncvs/cvs/a/out.c,v
retrieving revision 1.54
retrieving revision 1.55
---
out.c | 22 ++++++++++++++++++----
1 file changed, 18 insertions(+), 4 deletions(-)
--- a/out.c
+++ b/out.c
@@ -1,4 +1,4 @@
-/* $Id: out.c,v 1.82 2021/09/07 17:07:58 schwarze Exp $ */
+/* $OpenBSD: out.c,v 1.55 2021/09/28 17:06:17 schwarze Exp $ */
/*
* Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2011, 2014, 2015, 2017, 2018, 2019, 2021
@@ -123,6 +123,7 @@ tblcalc(struct rofftbl *tbl, const struc
const struct tbl_dat *dp;
struct roffcol *col;
struct tbl_colgroup *first_group, **gp, *g;
+ size_t *colwidth;
size_t ewidth, min1, min2, wanted, width, xwidth;
int done, icol, maxcol, necol, nxcol, quirkcol;
@@ -256,16 +257,28 @@ tblcalc(struct rofftbl *tbl, const struc
gp = &(*gp)->next;
}
+ colwidth = mandoc_reallocarray(NULL, maxcol + 1, sizeof(*colwidth));
while (first_group != NULL) {
/*
+ * Rebuild the array of the widths of all columns
+ * participating in spans that require expansion.
+ */
+
+ for (icol = 0; icol <= maxcol; icol++)
+ colwidth[icol] = SIZE_MAX;
+ for (g = first_group; g != NULL; g = g->next)
+ for (icol = g->startcol; icol <= g->endcol; icol++)
+ colwidth[icol] = tbl->cols[icol].width;
+
+ /*
* Find the smallest and second smallest column width
* among the columns which may need expamsion.
*/
min1 = min2 = SIZE_MAX;
for (icol = 0; icol <= maxcol; icol++) {
- width = tbl->cols[icol].width;
+ width = colwidth[icol];
if (min1 > width) {
min2 = min1;
min1 = width;
@@ -283,7 +296,7 @@ tblcalc(struct rofftbl *tbl, const struc
for (g = first_group; g != NULL; g = g->next) {
necol = 0;
for (icol = g->startcol; icol <= g->endcol; icol++)
- if (tbl->cols[icol].width == min1)
+ if (colwidth[icol] == min1)
necol++;
if (necol == 0)
continue;
@@ -300,7 +313,7 @@ tblcalc(struct rofftbl *tbl, const struc
while ((g = *gp) != NULL) {
done = 0;
for (icol = g->startcol; icol <= g->endcol; icol++) {
- if (tbl->cols[icol].width != min1)
+ if (colwidth[icol] != min1)
continue;
if (g->wanted <= wanted - min1) {
tbl->cols[icol].width += g->wanted;
@@ -317,6 +330,7 @@ tblcalc(struct rofftbl *tbl, const struc
gp = &(*gp)->next;
}
}
+ free(colwidth);
/*
* Align numbers with text.