File boo1209830-endless-loop.patch of Package mandoc

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File boo1209830-endless-loop.patch of Package mandoc (Revision 56b82d117962305aead5f13ddcbef350)

Currently displaying revision 56b82d117962305aead5f13ddcbef350 , Show latest

===================================================================
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.

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File boo1209830-endless-loop.patch of Package mandoc (Revision 56b82d117962305aead5f13ddcbef350)

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