From 8a9e6b1bd3be1041792311a86d8aac68b659e891 Mon Sep 17 00:00:00 2001 From: Martin Kagamino Lehoux Date: Fri, 31 Jan 2025 08:02:09 +0100 Subject: feat: First version, failing json parse string --- string.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 string.c (limited to 'string.c') diff --git a/string.c b/string.c new file mode 100644 index 0000000..509163f --- /dev/null +++ b/string.c @@ -0,0 +1,33 @@ +#include "string.h" + +#include +#include + +#include "memory.h" + +Str *Str_new(Arena *a, uintptr_t len) { + Str *s = new (a, Str, 1); + s->data = new (a, char, len); + return s; +} + +int Str_equals(Str a, Str b) { + return (a.len == b.len) && (!a.len || !memcmp(a.data, b.data, a.len)); +} + +uint64_t Str_hash64(Str s) { + uint64_t h = 0x100; + for (ptrdiff_t i = 0; i < s.len; i++) { + h ^= s.data[i] & 255; + h *= 1111111111111111111; + } + return h; +} + +Str Str_copy(Arena *a, char *data, uintptr_t len) { + Str str = {0}; + str.data = new (a, char, len); + if (str.len) + memcpy(str.data, data, len); + return str; +} -- cgit v1.3