1 files changed, 16 insertions, 0 deletions
diff --git a/src/stdlib/int64.c b/src/stdlib/int64.c
index 754ac619..131d77ab 100644
--- a/src/stdlib/int64.c
+++ b/src/stdlib/int64.c
@@ -1,3 +1,19 @@
 #define INTX_C_H__INT_BITS 64
 #include "intX.c.h"
 #undef INTX_C_H__INT_BITS
+
+public
+int Int64$print(FILE *f, int64_t n) {
+    char buf[21] = {[20] = 0}; // Big enough for INT64_MIN + '\0'
+    char *p = &buf[19];
+    bool negative = n < 0;
+
+    do {
+        *(p--) = '0' + (n % 10);
+        n /= 10;
+    } while (n > 0);
+
+    if (negative) *(p--) = '-';
+
+    return fwrite(p + 1, sizeof(char), (size_t)(&buf[19] - p), f);
+}