fix build

diff --git a/ext/gmp/gmp.c b/ext/gmp/gmp.c
index 928ec26005a529ed2518ba14c1d5be31e2ba4580..a1e15899c99422098f8274cf3f474b8097281d11 100644 (file)
--- a/ext/gmp/gmp.c
+++ b/ext/gmp/gmp.c
@@ -1145,7 +1145,7 @@ ZEND_FUNCTION(gmp_export)
                size_t bits_per_word = size * 8;
                size_t count = (mpz_sizeinbase(gmpnumber, 2) + bits_per_word - 1) / bits_per_word;
 
-               zend_string *out_string = zend_string_safe_alloc(count, out_len, 0, 0);
+               zend_string *out_string = zend_string_safe_alloc(count, size, 0, 0);
                mpz_export(ZSTR_VAL(out_string), NULL, order, size, endian, 0, gmpnumber);
                ZSTR_VAL(out_string)[ZSTR_LEN(out_string)] = '\0';