From 90303eb8b5cce0cfe96cebae779bb68a64437c20 Mon Sep 17 00:00:00 2001
From: Bruno Raoult <braoult@gmail.com>
Date: Mon, 20 Dec 2021 15:10:17 +0100
Subject: [PATCH] pool.c: name becomes char array instead of pointer

---
 2021/include/pool.h | 4 +++-
 2021/libsrc/pool.c  | 4 ++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/2021/include/pool.h b/2021/include/pool.h
index b2f7727..f64024e 100644
--- a/2021/include/pool.h
+++ b/2021/include/pool.h
@@ -19,13 +19,15 @@
 #include "list.h"
 #include "bits.h"
 
+#define POOL_NAME_LENGTH (16)                     /* max name length including trailing \0 */
+
 typedef struct {
     struct list_head list_blocks;                 /* list of allocated blocks in pool */
     char data[];                                  /* objects block */
 } block_t;
 
 typedef struct {
-    char *name;                                   /* pool name */
+    char name[POOL_NAME_LENGTH];                  /* pool name */
     u32 available;                                /* current available elements */
     u32 allocated;                                /* total objects allocated */
     u32 growsize;                                 /* number of objects per block allocated */
diff --git a/2021/libsrc/pool.c b/2021/libsrc/pool.c
index d1f2ddc..7383758 100644
--- a/2021/libsrc/pool.c
+++ b/2021/libsrc/pool.c
@@ -50,7 +50,8 @@ pool_t *pool_create(const char *name, u32 growsize, size_t eltsize)
     if (eltsize < sizeof (struct list_head))
         return NULL;
     if ((pool = malloc(sizeof (*pool)))) {
-        pool->name = strdup(name);
+        strncpy(pool->name, name, POOL_NAME_LENGTH - 1);
+        pool->name[POOL_NAME_LENGTH - 1] = 0;
         pool->growsize = growsize;
         pool->eltsize = eltsize;
         pool->available = 0;
@@ -156,7 +157,6 @@ void pool_destroy(pool_t *pool)
 #   ifdef DEBUG_POOL
     log(5, "\n");
 #   endif
-    free(pool->name);
     free(pool);
 }