commit f250a75b11007ccfa973953ab437757403444646
from: Omar Polo <op@omarpolo.com>
date: Sat Mar 06 19:10:19 2021 UTC

[gemtext] improve parse_link

* add a mising `&& isspace(buf[0])' that would make the parser skip the
  link label
* swap alt and line: line is the text, alt the URL
* text is always defined, at worst is a copy of URL

commit - 4dd664cea4f1c5745dac573900e48c1fee5ab151
commit + f250a75b11007ccfa973953ab437757403444646
blob - d9122de6004c046a2708f6e775be460fdbe46cd4
blob + 267a1d8e7214cfcf5278c961b470d5f94c6629bd
--- gemtext.c
+++ gemtext.c
@@ -125,21 +125,26 @@ parse_link(struct parser *p, enum line_type t, const c
 	memcpy(u, url_start, buf - url_start);
 
 	if (len == 0)
-		return emit_line(p, t, u, NULL);
+		goto nolabel;
 
-	while (len > 0) {
+	while (len > 0 && isspace(buf[0])) {
 		buf++;
 		len--;
 	}
 
 	if (len == 0)
-		return emit_line(p, t, u, NULL);
+		goto nolabel;
 
 	if ((l = calloc(1, len + 1)) == NULL)
 		return 0;
 
 	memcpy(l, buf, len);
-	return emit_line(p, t, u, l);
+	return emit_line(p, t, l, u);
+
+nolabel:
+	if ((l = strdup(u)) == NULL)
+		return 0;
+	return emit_line(p, t, l, u);
 }
 
 static int