fixup!

Author: saghul

qjs.c

@@ -48,17 +48,18 @@ extern const uint32_t qjsc_repl_size;
 extern const uint8_t qjsc_standalone[];
 extern const uint32_t qjsc_standalone_size;
 
+// Must match standalone.js
+#define TRAILER_SIZE 12
+static const char trailer_magic[] = "quickjs2";
+static const int trailer_magic_size = sizeof(trailer_magic) - 1;
+static const int trailer_size = TRAILER_SIZE;
+
 static int qjs__argc;
 static char **qjs__argv;
 
 
 static BOOL is_standalone(const char *exe)
 {
-    // Must match standalone.js
-    static const char trailer_magic[] = "quickjs2";
-    static const int trailer_magic_size = sizeof(trailer_magic) - 1;
-    static const int trailer_size = 12; /* 8 bytes for the trailer magic + 4 bytes for the offset. */
-
     FILE *exe_f = fopen(exe, "rb");
     if (!exe_f) {
         perror(exe);
@@ -67,7 +68,7 @@ static BOOL is_standalone(const char *exe)
     if (fseek(exe_f, -trailer_size, SEEK_END) < 0) {
         exit(1);
     }
-    uint8_t buf[trailer_size];
+    uint8_t buf[TRAILER_SIZE];
     if (fread(buf, 1, trailer_size, exe_f) != trailer_size) {
         perror("fread exe trailer");
         exit(1);