Signed-off-by: Paul Barker paul.barker@sancloud.com --- include/efi_loader.h | 3 ++- lib/efi_loader/efi_string.c | 24 ++++++++++++++++++++++++ 2 files changed, 26 insertions(+), 1 deletion(-)
diff --git a/include/efi_loader.h b/include/efi_loader.h index 545ba06d9466..4dbbb2d3a06c 100644 --- a/include/efi_loader.h +++ b/include/efi_loader.h @@ -985,9 +985,10 @@ struct pkcs7_message *efi_parse_pkcs7_header(const void *buf, /* runtime implementation of memcpy() */ void efi_memcpy_runtime(void *dest, const void *src, size_t n);
-/* commonly used helper function */ +/* commonly used helper functions */ u16 *efi_create_indexed_name(u16 *buffer, size_t buffer_size, const char *name, unsigned int index); +efi_string_t efi_convert_string(const char *str);
extern const struct efi_firmware_management_protocol efi_fmp_fit; extern const struct efi_firmware_management_protocol efi_fmp_raw; diff --git a/lib/efi_loader/efi_string.c b/lib/efi_loader/efi_string.c index 8bf1e493b89e..e21e09c94617 100644 --- a/lib/efi_loader/efi_string.c +++ b/lib/efi_loader/efi_string.c @@ -8,6 +8,7 @@ #include <common.h> #include <charset.h> #include <efi_loader.h> +#include <malloc.h>
/** * efi_create_indexed_name - create a string name with an index @@ -41,3 +42,26 @@ u16 *efi_create_indexed_name(u16 *buffer, size_t buffer_size, const char *name,
return p; } + +/** + * efi_convert_string - Convert an ASCII or UTF-8 string to UTF-16 + * @str: String to be converted + * + * Return: Converted string in UTF-16 format. The caller is responsible for + * freeing this string when it is no longer needed. + */ +efi_string_t efi_convert_string(const char *str) +{ + efi_string_t str_16, tmp; + size_t sz_16; + + sz_16 = utf8_utf16_strlen(str); + str_16 = calloc(sz_16 + 1, sizeof(u16)); + if (!str_16) + return NULL; + + tmp = str_16; + utf8_utf16_strcpy(&tmp, str); + + return str_16; +}