diff options
Diffstat (limited to 'src/runtime/c/gu/string.c')
| -rw-r--r-- | src/runtime/c/gu/string.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/runtime/c/gu/string.c b/src/runtime/c/gu/string.c index e2708aae1..c8b443daf 100644 --- a/src/runtime/c/gu/string.c +++ b/src/runtime/c/gu/string.c @@ -5,6 +5,7 @@ #include <gu/string.h> #include <gu/utf8.h> #include <gu/assert.h> +#include <stdlib.h> const GuString gu_empty_string = { 1 }; @@ -166,6 +167,43 @@ gu_string_write(GuString s, GuOut* out, GuExn* err) } GuString +gu_string_read(size_t len, GuPool* pool, GuIn* in, GuExn* err) +{ + uint8_t* buf = alloca(len*4); + uint8_t* p = buf; + for (size_t i = 0; i < len; i++) { + gu_in_utf8_buf(&p, in, err); + } + return gu_utf8_string(buf, p-buf, pool); +} + +GuString +gu_string_read_latin1(size_t len, GuPool* pool, GuIn* in, GuExn* err) +{ + if (len < GU_MIN(sizeof(GuWord), 128)) { + GuWord w = 0; + for (size_t n = 0; n < len; n++) { + w = w << 8 | gu_in_u8(in, err); + } + w = w << 8 | (len << 1) | 1; + return (GuString) { w }; + } + uint8_t* p = NULL; + if (len < 256) { + p = gu_malloc_aligned(pool, 1 + len, 2); + p[0] = (uint8_t) len; + } else { + p = gu_malloc_prefixed(pool, gu_alignof(size_t), + sizeof(size_t), 1, 1 + len); + ((size_t*) p)[-1] = len; + p[0] = 0; + } + + gu_in_bytes(in, &p[1], len, err); + return (GuString) { (GuWord) (void*) p }; +} + +GuString gu_format_string_v(const char* fmt, va_list args, GuPool* pool) { GuPool* tmp_pool = gu_local_pool(); |