#980 fix compile warning in og_set_client_mode

  CC       src/rest.o
src/rest.c: In function ‘og_cmd_post_modes.isra.27’:
src/rest.c:966:4: warning: ‘%s’ directive output may be truncated writing up to 4096 bytes into a region of size between 3018 and 4041 -Wformat-truncation=]
    "MODE_FILE='%s'\nMAC='%s'\nDATA='%s'\n"
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/rest.c:1085:7:
       template_name, scope_name);
       ~~~~~~~~~~~~~
src/rest.c:967:33: note: format string is defined here
    "MODE='PERM'\nTEMPLATE_NAME='%s'",
                                 ^~
src/rest.c:965:2: note: ‘snprintf’ output 57 or more bytes (assuming 5176) into a destination of size 4096
  snprintf(cmd_params, sizeof(cmd_params),
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    "MODE_FILE='%s'\nMAC='%s'\nDATA='%s'\n"
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    "MODE='PERM'\nTEMPLATE_NAME='%s'",
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    mode, mac, params, template_name);
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

1 files changed, 2 insertions, 2 deletions

diff --git a/src/rest.c b/src/rest.c
index ec6ca63..2256788 100644
--- a/src/rest.c
+++ b/src/rest.c
@@ -936,8 +936,8 @@ static int og_set_client_mode(struct og_dbi *dbi, const char *mac,
 			      const char *scope_name)
 {
 	char filename[PATH_MAX + 1] = "/tmp/mode_params_XXXXXX";
-	char cmd_params[PATH_MAX + 1] = {};
-	char params[PATH_MAX + 1] = "\0";
+	char cmd_params[16384] = {};
+	char params[4096] = "\0";
 	const char *msglog;
 	dbi_result result;
 	unsigned int i;