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-rw-r--r--procps/pstree.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/procps/pstree.c b/procps/pstree.c
index 8ba30795d..ea690a9c8 100644
--- a/procps/pstree.c
+++ b/procps/pstree.c
@@ -34,8 +34,15 @@
struct child;
+#ifdef ENABLE_FEATURE_SHOW_THREADS
+/* For threads, we add {...} around the comm, so we need two extra bytes */
+# define COMM_DISP_LEN (COMM_LEN + 2)
+#else
+# define COMM_DISP_LEN COMM_LEN
+#endif
+
typedef struct proc {
- char comm[COMM_LEN + 1];
+ char comm[COMM_DISP_LEN + 1];
// char flags; - unused, delete?
pid_t pid;
uid_t uid;
@@ -341,8 +348,8 @@ static void dump_by_user(PROC *current, uid_t uid)
#if ENABLE_FEATURE_SHOW_THREADS
static void handle_thread(const char *comm, pid_t pid, pid_t ppid, uid_t uid)
{
- char threadname[COMM_LEN + 2];
- sprintf(threadname, "{%.*s}", COMM_LEN - 2, comm);
+ char threadname[COMM_DISP_LEN + 1];
+ sprintf(threadname, "{%.*s}", (int)sizeof(threadname) - 1, comm);
add_proc(threadname, pid, ppid, uid/*, 1*/);
}
#endif