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// SPDX-License-Identifier: BSD-2-Clause-Patent
#ifndef SHIM_STR_H
#define SHIM_STR_H
static inline __attribute__((unused)) unsigned long
strnlena(const CHAR8 *s, unsigned long n)
{
unsigned long i;
for (i = 0; i < n; i++)
if (s[i] == '\0')
break;
return i;
}
static inline
__attribute__((unused))
CHAR8 *
strncpya(CHAR8 *dest, const CHAR8 *src, unsigned long n)
{
unsigned long i;
for (i = 0; i < n && src[i] != '\0'; i++)
dest[i] = src[i];
for (; i < n; i++)
dest[i] = '\0';
return dest;
}
static inline
__attribute__((unused))
CHAR8 *
strcata(CHAR8 *dest, const CHAR8 *src)
{
unsigned long dest_len = strlena(dest);
unsigned long i;
for (i = 0; src[i] != '\0'; i++)
dest[dest_len + i] = src[i];
dest[dest_len + i] = '\0';
return dest;
}
static inline
__attribute__((unused))
CHAR8 *
strndupa(const CHAR8 * const src, const UINTN srcmax)
{
UINTN len;
CHAR8 *news = NULL;
if (!src || !srcmax)
return news;
len = strnlena(src, srcmax);
news = AllocateZeroPool(len + 1);
if (news)
strncpya(news, src, len);
return news;
}
static inline
__attribute__((unused))
CHAR8 *
translate_slashes(CHAR8 *out, const char *str)
{
int i;
int j;
if (str == NULL || out == NULL)
return NULL;
for (i = 0, j = 0; str[i] != '\0'; i++, j++) {
if (str[i] == '\\') {
out[j] = '/';
if (str[i+1] == '\\')
i++;
} else
out[j] = str[i];
}
out[j] = '\0';
return out;
}
static inline UNUSED CHAR8 *
strchrnula(const CHAR8 *s, int c)
{
unsigned int i;
if (s == NULL)
return NULL;
for (i = 0; s[i] != '\000' && s[i] != c; i++)
;
return (CHAR8 *)&s[i];
}
static inline UNUSED CHAR8 *
strchra(const CHAR8 *s, int c)
{
const CHAR8 *s1;
s1 = strchrnula(s, c);
if (!s1 || s1[0] == '\000')
return NULL;
return (CHAR8 *)s1;
}
#endif /* SHIM_STR_H */
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