Fix -Wformat-truncation warnings in profiles path buffers

bda39bb041a1a3c4b39fadc39ffe3424ddbf674d · Claude · Feb 15, 2026 23:21

Use larger filepath buffers (MAX_PROFILE_PATH + 256 + 2) when combining
a directory path with a filename to avoid potential truncation warnings
from gcc's -Wformat-truncation check.

https://claude.ai/code/session_01BE1wUvwm1CH6oy9w5AFzSu

+4 −4 · 2 files changed

src/profiles.c +3 −3
src/profiles.h +1 −1

diff --git a/src/profiles.c b/src/profiles.c
index d9fdacb..5b21800 100644
--- a/src/profiles.c
+++ b/src/profiles.c
@@ -1147,8 +1147,8 @@ int profile_manager_load_dir(profile_manager_t* manager, const char* dirpath) {
         if (namelen < 5) continue;
         if (strcasecmp(entry->d_name + namelen - 4, ".cfg") != 0) continue;
 
-        // Build full path
-        char filepath[MAX_PROFILE_PATH];
+        // Build full path (dir + "/" + name, both bounded)
+        char filepath[MAX_PROFILE_PATH + 256 + 2];
         snprintf(filepath, sizeof(filepath), "%s/%s", resolved, entry->d_name);
 
         // Check it's a regular file
@@ -1234,7 +1234,7 @@ int profile_manager_check_reload(profile_manager_t* manager) {
             // Only process .cfg files
             size_t namelen = strlen(ev->name);
             if (namelen >= 5 && strcasecmp(ev->name + namelen - 4, ".cfg") == 0) {
-                char filepath[MAX_PROFILE_PATH];
+                char filepath[MAX_PROFILE_PATH + 256 + 2];
                 snprintf(filepath, sizeof(filepath), "%s/%s", manager->profiles_dir, ev->name);
 
                 if (ev->mask & (IN_CLOSE_WRITE | IN_MOVED_TO | IN_CREATE)) {
diff --git a/src/profiles.h b/src/profiles.h
index df96e6f..b538f86 100644
--- a/src/profiles.h
+++ b/src/profiles.h
@@ -9,7 +9,7 @@
 #define MAX_PROFILES 32
 
 // Maximum path length for profile directory/files
-#define MAX_PROFILE_PATH 512
+#define MAX_PROFILE_PATH 1024
 
 // ============================================================================
 // PROFILE SYSTEM ARCHITECTURE