void-packages/srcpkgs/mdocml/patches/stress-ng-hang.patch

76 lines
2.1 KiB
Diff

fixes hang from rendering stress-ng(1)
from https://inbox.vuxu.org/mandoc-discuss/ZIIbRuk+yJtoAJhv@asta-kit.de/
===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/mandoc/out.c,v
retrieving revision 1.54
retrieving revision 1.55
diff -u -r1.54 -r1.55
--- a/out.c 2021/09/07 17:05:30 1.54
+++ b/out.c 2021/09/28 17:06:17 1.55
@@ -121,6 +121,7 @@
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;
@@ -254,16 +255,28 @@
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;
@@ -281,7 +294,7 @@
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;
@@ -298,7 +311,7 @@
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;
@@ -315,6 +328,7 @@
gp = &(*gp)->next;
}
}
+ free(colwidth);
/*
* Align numbers with text.