git: 037c2f4fe3d0 - stable/13 - libfetch: use more portable getline() interface

[Baptiste Daroussin]

The branch stable/13 has been updated by bapt:

URL: https://cgit.FreeBSD.org/src/commit/?id=037c2f4fe3d0198d5794ed10f6f4086355b8f20c

commit 037c2f4fe3d0198d5794ed10f6f4086355b8f20c
Author:     Daniel Kolesa <daniel at octaforge.org>
AuthorDate: 2021-08-17 14:01:46 +0000
Commit:     Baptiste Daroussin <bapt at FreeBSD.org>
CommitDate: 2021-09-22 09:57:35 +0000

    libfetch: use more portable getline() interface
    
    this is for better portability in order to avoid using a function
    which is BSD-only or available via libbsd
    
    (cherry picked from commit ee3ca711a898cf41330c320826ea1e0e6e451f1d)
    (cherry picked from commit 635eb7ac7990a2bb29e1992b739617a9db012bf2)
---
 lib/libfetch/http.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/lib/libfetch/http.c b/lib/libfetch/http.c
index e61e23b1425a..bcb089dc0fc4 100644
--- a/lib/libfetch/http.c
+++ b/lib/libfetch/http.c
@@ -1526,12 +1526,13 @@ http_get_proxy(struct url * url, const char *flags)
 static void
 http_print_html(FILE *out, FILE *in)
 {
-	size_t len;
-	char *line, *p, *q;
+	ssize_t len = 0;
+	size_t cap;
+	char *line = NULL, *p, *q;
 	int comment, tag;
 
 	comment = tag = 0;
-	while ((line = fgetln(in, &len)) != NULL) {
+	while ((len = getline(&line, &cap, in)) >= 0) {
 		while (len && isspace((unsigned char)line[len - 1]))
 			--len;
 		for (p = q = line; q < line + len; ++q) {
@@ -1559,6 +1560,8 @@ http_print_html(FILE *out, FILE *in)
 			fwrite(p, q - p, 1, out);
 		fputc('\n', out);
 	}
+
+	free(line);
 }