refactor: src & pragma once

1 files changed, 32 insertions, 0 deletions

diff --git a/src/str.c b/src/str.c
new file mode 100644
index 0000000..eccacd8
--- /dev/null
+++ b/src/str.c
@@ -0,0 +1,32 @@
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "../include/memory.h"
+#include "../include/str.h"
+
+// Returns 1 if strings are equal, 0 otherwise
+i32 Str_equals(Str a, Str b) {
+    return (a.len == b.len) && (!a.len || !memcmp(a.data, b.data, a.len));
+}
+
+u64 Str_hash64(Str s) {
+    u64 h = 0x100;
+    for (size i = 0; i < s.len; i++) {
+        h ^= s.data[i] & 255;
+        h *= 1111111111111111111;
+    }
+    return h;
+}
+
+Str Str_copy(Arena *a, byte *data, size len) {
+    Str str = {0};
+    str.len = len;
+    str.data = new(a, byte, len);
+    if (str.len) memcpy(str.data, data, len);
+    return str;
+}
+
+i32 Str_fprint(FILE *w, Str s) {
+    return fprintf(w, "%.*s", (i32)s.len, s.data);
+}