[PATCH 4/5] strbuf_readlink(): support link targets that exceed PATH_MAX

From

Karsten Blees via GitGitGadget <gitgitgadget@gmail.com>

Date

Dec 16, 2025, 15:33 UTC

Message-ID

<db1feb2293d20532f9468ab63ede43d4fc620203.1765899229.git.gitgitgadget@gmail.com>

In-Reply-To

<pull.2017.git.1765899229.gitgitgadget@gmail.com>

From: Karsten Blees <blees@dcon.de>

Signed-off-by: Karsten Blees <blees@dcon.de>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
---
 strbuf.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/strbuf.c b/strbuf.c
index 44a8f6a554..fa4e30f112 100644
--- a/strbuf.c
+++ b/strbuf.c
@@ -566,8 +566,6 @@ ssize_t strbuf_write(struct strbuf *sb, FILE *f)
 	return sb->len ? fwrite(sb->buf, 1, sb->len, f) : 0;
 }
 
-#define STRBUF_MAXLINK (2*PATH_MAX)
-
 int strbuf_readlink(struct strbuf *sb, const char *path, size_t hint)
 {
 	size_t oldalloc = sb->alloc;
@@ -575,7 +573,7 @@ int strbuf_readlink(struct strbuf *sb, const char *path, size_t hint)
 	if (hint < 32)
 		hint = 32;
 
-	while (hint < STRBUF_MAXLINK) {
+	for (;;) {
 		ssize_t len;
 
 		strbuf_grow(sb, hint + 1);

-- 
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