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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#if SD_BOOT
# include "efi.h"
# include "efi-string.h"
#else
# include <string.h>
#endif
#include "macro-fundamental.h"
#if SD_BOOT
# define strlen strlen16
# define strcmp strcmp16
# define strncmp strncmp16
# define strcasecmp strcasecmp16
# define strncasecmp strncasecmp16
# define STR_C(str) (L ## str)
typedef char16_t sd_char;
#else
# define STR_C(str) (str)
typedef char sd_char;
#endif
#define streq(a,b) (strcmp((a),(b)) == 0)
#define strneq(a, b, n) (strncmp((a), (b), (n)) == 0)
#define strcaseeq(a,b) (strcasecmp((a),(b)) == 0)
#define strncaseeq(a, b, n) (strncasecmp((a), (b), (n)) == 0)
static inline int strcmp_ptr(const sd_char *a, const sd_char *b) {
if (a && b)
return strcmp(a, b);
return CMP(a, b);
}
static inline int strcasecmp_ptr(const sd_char *a, const sd_char *b) {
if (a && b)
return strcasecmp(a, b);
return CMP(a, b);
}
static inline bool streq_ptr(const sd_char *a, const sd_char *b) {
return strcmp_ptr(a, b) == 0;
}
static inline bool strcaseeq_ptr(const sd_char *a, const sd_char *b) {
return strcasecmp_ptr(a, b) == 0;
}
static inline size_t strlen_ptr(const sd_char *s) {
if (!s)
return 0;
return strlen(s);
}
sd_char *startswith(const sd_char *s, const sd_char *prefix) _pure_;
sd_char *startswith_no_case(const sd_char *s, const sd_char *prefix) _pure_;
sd_char *endswith(const sd_char *s, const sd_char *postfix) _pure_;
sd_char *endswith_no_case(const sd_char *s, const sd_char *postfix) _pure_;
static inline bool isempty(const sd_char *a) {
return !a || a[0] == '\0';
}
static inline const sd_char *strempty(const sd_char *s) {
return s ?: STR_C("");
}
static inline const sd_char *yes_no(bool b) {
return b ? STR_C("yes") : STR_C("no");
}
static inline const sd_char* comparison_operator(int result) {
return result < 0 ? STR_C("<") : result > 0 ? STR_C(">") : STR_C("==");
}
int strverscmp_improved(const sd_char *a, const sd_char *b);
/* Like startswith(), but operates on arbitrary memory blocks */
static inline void *memory_startswith(const void *p, size_t sz, const sd_char *token) {
assert(token);
size_t n = strlen(token) * sizeof(sd_char);
if (sz < n)
return NULL;
assert(p);
if (memcmp(p, token, n) != 0)
return NULL;
return (uint8_t*) p + n;
}
#define _STRV_FOREACH(s, l, i) \
for (typeof(*(l)) *s, *i = (l); (s = i) && *i; i++)
#define STRV_FOREACH(s, l) \
_STRV_FOREACH(s, l, UNIQ_T(i, UNIQ))
static inline bool ascii_isdigit(sd_char a) {
/* A pure ASCII, locale independent version of isdigit() */
return a >= '0' && a <= '9';
}
static inline bool ascii_ishex(sd_char a) {
return ascii_isdigit(a) || (a >= 'a' && a <= 'f') || (a >= 'A' && a <= 'F');
}
static inline bool ascii_isalpha(sd_char a) {
/* A pure ASCII, locale independent version of isalpha() */
return (a >= 'a' && a <= 'z') || (a >= 'A' && a <= 'Z');
}
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