diff options
Diffstat (limited to 'src/std/str.c')
-rw-r--r-- | src/std/str.c | 88 |
1 files changed, 44 insertions, 44 deletions
diff --git a/src/std/str.c b/src/std/str.c index e15c38f..2aac15f 100644 --- a/src/std/str.c +++ b/src/std/str.c @@ -3,62 +3,62 @@ #include <string.h> #include "mem.h" -// str8 str8_create(u8* buf, size_t len) { return (str8){ .buf = buf, .len = len }; } +Str8 Str8_create(u8* buf, size_t len) { return (Str8){ .buf = buf, .len = len }; } -// str8 str8_cstr_view(char* string) { return str8_create((u8*)string, strlen(string)); } +Str8 Str8_cstr_view(char* string) { return Str8_create((u8*)string, strlen(string)); } -// bool str8_equals(str8 a, str8 b) { -// if (a.len != b.len) { -// return false; -// } +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; -// } + 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; +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); + u8* dest = arena_alloc(a, n_bytes); -// memcpy(dest, s.buf, s.len); -// if (is_null_terminated) { -// dest[s.len] = '\0'; -// } -// return (char*)dest; -// } + 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; +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); + 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'; + dest[n_bytes - 1] = '\0'; -// return str8_create(dest, n_bytes); -// } + return Str8_create(dest, n_bytes); +} -// str8 str8_substr(str8 s, u64 min, u64 max) { -// assert(min >= 0); -// assert(min < s.len); -// assert(max >= 0); -// assert(max <= s.len); -// uint8_t* start = s.buf + (ptrdiff_t)min; -// size_t new_len = max - min; -// return (str8){ .buf = start, .len = new_len }; -// } +Str8 Str8_substr(Str8 s, u64 min, u64 max) { + assert(min >= 0); + assert(min < s.len); + assert(max >= 0); + assert(max <= s.len); + uint8_t* start = s.buf + (ptrdiff_t)min; + size_t new_len = max - min; + return (Str8){ .buf = start, .len = new_len }; +} -// str8 str8_take(str8 s, u64 first_n) { return str8_substr(s, 0, first_n); } +Str8 Str8_take(Str8 s, u64 first_n) { return Str8_substr(s, 0, first_n); } -// str8 str8_drop(str8 s, u64 last_n) { return str8_substr(s, s.len - last_n, s.len); } +Str8 Str8_drop(Str8 s, u64 last_n) { return Str8_substr(s, s.len - last_n, s.len); } -// str8 str8_skip(str8 s, u64 n) { return str8_substr(s, n, s.len); } +Str8 Str8_skip(Str8 s, u64 n) { return Str8_substr(s, n, s.len); } -// str8 str8_chop(str8 s, u64 n) { return str8_substr(s, 0, s.len - n); } +Str8 Str8_chop(Str8 s, u64 n) { return Str8_substr(s, 0, s.len - n); } |