terminal: convert to strnprintf()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

terminal: convert to strnprintf()
93d5ebf1 · Christian Brauner · fa60cd7b · 93d5ebf1
Unverified Commit 93d5ebf1 authored Feb 11, 2021 by Christian Brauner
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terminal.c src/lxc/terminal.c +2 -2

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--- a/src/lxc/terminal.c
+++ b/src/lxc/terminal.c
@@ -209,8 +209,8 @@ static int lxc_terminal_rotate_log_file(struct lxc_terminal *terminal)
 	len = strlen(terminal->log_path) + sizeof(".1");
 	tmp = must_realloc(NULL, len);

-	ret = snprintf(tmp, len, "%s.1", terminal->log_path);
-	if (ret < 0 || (size_t)ret >= len)
+	ret = strnprintf(tmp, len, "%s.1", terminal->log_path);
+	if (ret < 0)
 		return -EFBIG;

 	close(terminal->log_fd);