From 2a3537ae2272d9699312a0855a7b72472d1719c5 Mon Sep 17 00:00:00 2001 From: Akashi, Takahiro Date: Fri, 14 Dec 2018 19:10:38 +0900 Subject: lib: add u16_strcpy/strdup functions Add u16_strcpy() and u16_strdup(). The latter function will be used later in implementing efi HII database protocol. Signed-off-by: Akashi Takahiro Reviewed-by: Heinrich Schuchardt Signed-off-by: Alexander Graf --- lib/charset.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) (limited to 'lib/charset.c') diff --git a/lib/charset.c b/lib/charset.c index 10557b9e753..5e349ed5ee4 100644 --- a/lib/charset.c +++ b/lib/charset.c @@ -349,6 +349,35 @@ size_t u16_strnlen(const u16 *in, size_t count) return i; } +u16 *u16_strcpy(u16 *dest, const u16 *src) +{ + u16 *tmp = dest; + + for (;; dest++, src++) { + *dest = *src; + if (!*src) + break; + } + + return tmp; +} + +u16 *u16_strdup(const u16 *src) +{ + u16 *new; + + if (!src) + return NULL; + + new = malloc((u16_strlen(src) + 1) * sizeof(u16)); + if (!new) + return NULL; + + u16_strcpy(new, src); + + return new; +} + /* Convert UTF-16 to UTF-8. */ uint8_t *utf16_to_utf8(uint8_t *dest, const uint16_t *src, size_t size) { -- cgit v1.2.3