* remove FREE() macro

src/common.h

@@ -28,6 +28,4 @@
 
 #define UNUSED(x)  (void)(x)
 
-#define FREE(x)   free(x), x = NULL
-
 #endif /* F2B_COMMON_H_ */

src/config.c

@@ -277,7 +277,8 @@ f2b_config_load(f2b_config_t *config, const char *path, bool recursion) {
     for (; SECTION->param != NULL; \
            SECTION->param = np) { \
       np = SECTION->param->next; \
-      FREE(SECTION->param); \
+      free(SECTION->param);  \
+      SECTION->param = NULL; \
     } \
   }
 

src/filelist.c

@@ -36,7 +36,7 @@ f2b_filelist_from_glob(const char *pattern) {
       continue;
     if (f2b_logfile_open(file, globbuf.gl_pathv[i]) == false) {
       f2b_log_msg(log_error, "can't open file: %s: %s", globbuf.gl_pathv[i], strerror(errno));
-      FREE(file);
+      free(file);
       continue;
     }
     files = f2b_filelist_append(files, file);

src/ipaddr.c

@@ -32,7 +32,7 @@ f2b_ipaddr_create(const char *addr, size_t matches) {
   return a;
 
   cleanup:
-  FREE(a);
+  free(a);
   return NULL;
 }
 

src/jail.c

@@ -266,7 +266,7 @@ f2b_jail_init(f2b_jail_t *jail, f2b_config_t *config) {
     f2b_log_msg(log_error, "jail '%s': 'source' supports only 'files' for now", jail->name);
     return false;
   }
-  if (jail->source_init == '\0') {
+  if (jail->source_init[0] == '\0') {
     f2b_log_msg(log_error, "jail '%s': 'source' requires file or files pattern", jail->name);
     return false;
   }

src/matches.c

@@ -24,7 +24,8 @@ void
 f2b_matches_destroy(f2b_matches_t *m) {
   assert(m != NULL);
 
-  FREE(m->times);
+  free(m->times);
+  m->times = NULL;
   m->used = 0;
   m->max  = 0;
 }