leandrof/u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

efi: Add string conversion helper

Browse Source 
Signed-off-by: Paul Barker <paul.barker@sancloud.com>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Paul Barker 2022-10-05 13:18:35 +01:00 committed by Heinrich Schuchardt
parent 932f72d68e
commit 39434a9b25
2 changed files with 26 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
include/efi_loader.h
View File

@ -1014,9 +1014,10 @@ 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;

24
lib/efi_loader/efi_string.c
View File

@ -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;
}