shithub: neatroff

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font: fix reading gsub scripts

Reported and tested by aksr <aksr@t-com.me>.

--- a/font.c

+++ b/font.c

@@ -404,7 +404,7 @@

 static void font_readfeat(struct font *fn, char *tok, int *feat, int *scrp)

 {

 	*scrp = -1;

-	if (strchr(tok, ':')) {

+	if (strchr(tok, ':')) {		/* "feature:script" */

 		*scrp = font_findscrp(fn, strchr(tok, ':') + 1);

 		strchr(tok, ':')[0] = '\0';

 	}

@@ -419,10 +419,8 @@

 	int i, n;

 	if (fscanf(fin, "%s %d", tok, &n) != 2)

 		return 1;

-	if (strchr(tok, ':'))		/* "feature:script" */

-		strchr(tok, ':')[0] = '\0';

 	font_readfeat(fn, tok, &feat, &scrp);

-	rule = font_gpos(fn, n, feat, scrp);

+	rule = font_gsub(fn, n, feat, scrp);

 	for (i = 0; i < n; i++) {

 		if (fscanf(fin, "%s", tok) != 1)

 			return 1;