guix/gnu/packages/patches/xdg-desktop-portal-wlr-harcoded-length.patch

From 3121eeb5e68bedd6e2398f35b9bd60b69709a47e Mon Sep 17 00:00:00 2001
From: Josselin Poiret <dev@jpoiret.xyz>
Date: Tue, 14 Dec 2021 18:49:54 +0100
Subject: [PATCH] Replace hardcoded command length

---
 src/screenshot/screenshot.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/screenshot/screenshot.c b/src/screenshot/screenshot.c
index 9df0ea7..5f27681 100644
--- a/src/screenshot/screenshot.c
+++ b/src/screenshot/screenshot.c
@@ -42,8 +42,9 @@ static bool exec_screenshooter_interactive(const char *path) {
 		perror("fork");
 		return false;
 	} else if (pid == 0) {
-		char cmd[strlen(path) + 25];
-		snprintf(cmd, sizeof(cmd), "grim -g \"$(slurp)\" -- %s", path);
+		const char cmd_fmt[] = "grim -g \"$(slurp)\" -- %s";
+		char cmd[strlen(path) + sizeof(cmd_fmt)];
+		snprintf(cmd, sizeof(cmd), cmd_fmt, path);
 		execl("/bin/sh", "/bin/sh", "-c", cmd, NULL);
 		perror("execl");
 		exit(127);
-- 
2.34.0