Don't rely on sizeof(int) == 4

diff --git a/ext/interbase/interbase.c b/ext/interbase/interbase.c
index 408586a8a610826ea56a4b4aa7cf3a9cb7de38d4..ed0c1b197ec8a684402d9d778ff8a3e365756a9e 100644 (file)
--- a/ext/interbase/interbase.c
+++ b/ext/interbase/interbase.c
@@ -52,6 +52,9 @@
 
 #define SAFE_STRING(s) ((s)?(s):"")
 
+#define ISC_LONG_MIN (-ISC_LONG_MAX - 1)
+#define ISC_LONG_MAX 2147483647
+
 #ifdef PHP_WIN32
 # ifndef ISC_UINT64
 #  define ISC_UINT64 unsigned __int64
@@ -1363,7 +1366,7 @@ static int _php_ibase_bind(XSQLDA *sqlda, zval **b_vars, BIND_BUF *buf, ibase_qu
                                        convert_to_long(b_var);
 #if (SIZEOF_LONG > 4)
                                        /* ISC_LONG is always 32-bit */
-                                       if (Z_LVAL_P(b_var) > INT_MAX || Z_LVAL_P(b_var) < INT_MIN) {
+                                       if (Z_LVAL_P(b_var) > ISC_LONG_MAX || Z_LVAL_P(b_var) < ISC_LONG_MIN) {
                                                _php_ibase_module_error("Parameter %d exceeds field width" TSRMLS_CC, i+1);
                                                rv = FAILURE;
                                        }