fix potential bugs in snprintf

diff --git a/src/proc.c b/src/proc.c
index 029dc5d..1873ffd 100644 (file)
--- a/src/proc.c
+++ b/src/proc.c
@@ -181,7 +181,7 @@ void print_pid_environ_list(struct text_object *obj, char *p, int p_max_size)
                        buf[i-1] = ';';
                }
                buf[i-1] = 0;
-               snprintf(p, p_max_size, buf);
+               snprintf(p, p_max_size, "%s", buf);
                free(buf);
                fclose(infofile);
        } else {
@@ -200,7 +200,7 @@ void print_pid_readlink(struct text_object *obj, char *p, int p_max_size)
 
        memset(buf, 0, p_max_size);
        if(readlink(obj->data.s, buf, p_max_size) >= 0) {
-               snprintf(p, p_max_size, buf);
+               snprintf(p, p_max_size, "%s", buf);
        } else {
                NORM_ERR(READERR, obj->data.s);
        }