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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include "efi.h"
#include "macro-fundamental.h"
size_t strnlen8(const char *s, size_t n);
size_t strnlen16(const char16_t *s, size_t n);
static inline size_t strlen8(const char *s) {
return strnlen8(s, SIZE_MAX);
}
static inline size_t strlen16(const char16_t *s) {
return strnlen16(s, SIZE_MAX);
}
static inline size_t strsize8(const char *s) {
return s ? (strlen8(s) + 1) * sizeof(*s) : 0;
}
static inline size_t strsize16(const char16_t *s) {
return s ? (strlen16(s) + 1) * sizeof(*s) : 0;
}
void strtolower8(char *s);
void strtolower16(char16_t *s);
int strncmp8(const char *s1, const char *s2, size_t n);
int strncmp16(const char16_t *s1, const char16_t *s2, size_t n);
int strncasecmp8(const char *s1, const char *s2, size_t n);
int strncasecmp16(const char16_t *s1, const char16_t *s2, size_t n);
static inline int strcmp8(const char *s1, const char *s2) {
return strncmp8(s1, s2, SIZE_MAX);
}
static inline int strcmp16(const char16_t *s1, const char16_t *s2) {
return strncmp16(s1, s2, SIZE_MAX);
}
static inline int strcasecmp8(const char *s1, const char *s2) {
return strncasecmp8(s1, s2, SIZE_MAX);
}
static inline int strcasecmp16(const char16_t *s1, const char16_t *s2) {
return strncasecmp16(s1, s2, SIZE_MAX);
}
static inline bool strneq8(const char *s1, const char *s2, size_t n) {
return strncmp8(s1, s2, n) == 0;
}
static inline bool strneq16(const char16_t *s1, const char16_t *s2, size_t n) {
return strncmp16(s1, s2, n) == 0;
}
static inline bool streq8(const char *s1, const char *s2) {
return strcmp8(s1, s2) == 0;
}
static inline bool streq16(const char16_t *s1, const char16_t *s2) {
return strcmp16(s1, s2) == 0;
}
static inline int strncaseeq8(const char *s1, const char *s2, size_t n) {
return strncasecmp8(s1, s2, n) == 0;
}
static inline int strncaseeq16(const char16_t *s1, const char16_t *s2, size_t n) {
return strncasecmp16(s1, s2, n) == 0;
}
static inline bool strcaseeq8(const char *s1, const char *s2) {
return strcasecmp8(s1, s2) == 0;
}
static inline bool strcaseeq16(const char16_t *s1, const char16_t *s2) {
return strcasecmp16(s1, s2) == 0;
}
char *strcpy8(char * restrict dest, const char * restrict src);
char16_t *strcpy16(char16_t * restrict dest, const char16_t * restrict src);
char *strchr8(const char *s, char c);
char16_t *strchr16(const char16_t *s, char16_t c);
char *xstrndup8(const char *s, size_t n);
char16_t *xstrndup16(const char16_t *s, size_t n);
static inline char *xstrdup8(const char *s) {
return xstrndup8(s, SIZE_MAX);
}
static inline char16_t *xstrdup16(const char16_t *s) {
return xstrndup16(s, SIZE_MAX);
}
char16_t *xstrn8_to_16(const char *str8, size_t n);
static inline char16_t *xstr8_to_16(const char *str8) {
return xstrn8_to_16(str8, strlen8(str8));
}
char *startswith8(const char *s, const char *prefix);
bool efi_fnmatch(const char16_t *pattern, const char16_t *haystack);
bool parse_number8(const char *s, uint64_t *ret_u, const char **ret_tail);
bool parse_number16(const char16_t *s, uint64_t *ret_u, const char16_t **ret_tail);
#ifdef __clang__
# define _gnu_printf_(a, b) _printf_(a, b)
#else
# define _gnu_printf_(a, b) __attribute__((format(gnu_printf, a, b)))
#endif
_gnu_printf_(2, 3) void printf_status(EFI_STATUS status, const char *format, ...);
_gnu_printf_(2, 0) void vprintf_status(EFI_STATUS status, const char *format, va_list ap);
_gnu_printf_(2, 3) _warn_unused_result_ char16_t *xasprintf_status(EFI_STATUS status, const char *format, ...);
_gnu_printf_(2, 0) _warn_unused_result_ char16_t *xvasprintf_status(EFI_STATUS status, const char *format, va_list ap);
#if SD_BOOT
# define printf(...) printf_status(EFI_SUCCESS, __VA_ARGS__)
# define xasprintf(...) xasprintf_status(EFI_SUCCESS, __VA_ARGS__)
/* inttypes.h is provided by libc instead of the compiler and is not supposed to be used in freestanding
* environments. We could use clang __*_FMT*__ constants for this, bug gcc does not have them. :( */
# if defined(__ILP32__) || defined(__arm__) || defined(__i386__)
# define PRI64_PREFIX "ll"
# elif defined(__LP64__)
# define PRI64_PREFIX "l"
# elif defined(__LLP64__) || (__SIZEOF_LONG__ == 4 && __SIZEOF_POINTER__ == 8)
# define PRI64_PREFIX "ll"
# else
# error Unknown 64-bit data model
# endif
# define PRIi32 "i"
# define PRIu32 "u"
# define PRIx32 "x"
# define PRIX32 "X"
# define PRIiPTR "zi"
# define PRIuPTR "zu"
# define PRIxPTR "zx"
# define PRIXPTR "zX"
# define PRIi64 PRI64_PREFIX "i"
# define PRIu64 PRI64_PREFIX "u"
# define PRIx64 PRI64_PREFIX "x"
# define PRIX64 PRI64_PREFIX "X"
/* The compiler normally has knowledge about standard functions such as memcmp, but this is not the case when
* compiling with -ffreestanding. By referring to builtins, the compiler can check arguments and do
* optimizations again. Note that we still need to provide implementations as the compiler is free to not
* inline its own implementation and instead issue a library call. */
# define memchr __builtin_memchr
# define memcmp __builtin_memcmp
# define memcpy __builtin_memcpy
# define memset __builtin_memset
static inline void *mempcpy(void * restrict dest, const void * restrict src, size_t n) {
if (!dest || !src || n == 0)
return dest;
memcpy(dest, src, n);
return (uint8_t *) dest + n;
}
#else
/* For unit testing. */
void *efi_memchr(const void *p, int c, size_t n);
int efi_memcmp(const void *p1, const void *p2, size_t n);
void *efi_memcpy(void * restrict dest, const void * restrict src, size_t n);
void *efi_memset(void *p, int c, size_t n);
#endif
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