conf: path buffer size is small.

Author: pymumu

src/dns_conf/conf_file.c

@@ -26,6 +26,7 @@
 
 #include <errno.h>
 #include <getopt.h>
+#include <limits.h>
 #include <stdio.h>
 
 struct conf_file_path {
@@ -69,8 +70,8 @@ static int conf_file_check_duplicate(const char *conf_file)
 
 static int conf_additional_file(const char *conf_file)
 {
-	char file_path[DNS_MAX_PATH];
-	char file_path_dir[DNS_MAX_PATH];
+	char file_path[PATH_MAX];
+	char file_path_dir[PATH_MAX];
 
 	if (conf_file == NULL) {
 		return -1;

src/dns_conf/set_file.c

@@ -21,6 +21,7 @@
 #include "smartdns/lib/stringutil.h"
 #include "smartdns/util.h"
 
+#include <limits.h>
 #include <errno.h>
 #include <getopt.h>
 #include <glob.h>
@@ -67,8 +68,8 @@ int _config_set_rule_each_from_list(const char *file, set_rule_add_func callback
 
 int _config_foreach_file(const char *file_pattern, int (*callback)(const char *file, void *priv), void *priv)
 {
-	char file_path[DNS_MAX_PATH];
-	char file_path_dir[DNS_MAX_PATH];
+	char file_path[PATH_MAX];
+	char file_path_dir[PATH_MAX];
 	glob_t globbuf = {0};
 
 	if (file_pattern == NULL) {

src/utils/stack.c

@@ -24,6 +24,7 @@
 #include <dlfcn.h>
 #include <errno.h>
 #include <stdint.h>
+#include <unistd.h>
 #include <signal.h>
 
 void bug_ext(const char *file, int line, const char *func, const char *errfmt, ...)