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#include "str.h"
#include <string.h>
#include "mem.h"
str8 str8_create(u8* buf, size_t len) { return (str8){ .buf = buf, .len = len }; }
bool str8_equals(str8 a, str8 b) {
if (a.len != b.len) {
return false;
}
for (size_t i = 0; i < a.len; i++) {
if (a.buf[i] != b.buf[i]) {
return false;
}
}
return true;
}
char* str8_to_cstr(arena* a, str8 s) {
bool is_null_terminated = s.buf[s.len - 1] == 0;
size_t n_bytes = is_null_terminated ? s.len : s.len + 1;
u8* dest = arena_alloc(a, n_bytes);
memcpy(dest, s.buf, s.len);
if (is_null_terminated) {
dest[s.len] = '\0';
}
return (char*)dest;
}
str8 str8_concat(arena* a, str8 left, str8 right) {
size_t n_bytes = left.len + right.len + 1;
u8* dest = arena_alloc(a, n_bytes);
memcpy(dest, left.buf, left.len);
memcpy(dest + right.len, right.buf, right.len);
dest[n_bytes - 1] = '\0';
return str8_create(dest, n_bytes);
}
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