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#include <assert.h> /* assert */
#include <limits.h> /* PATH_MAX */
#include <locale.h> /* locale_t */
#include <stddef.h> /* NULL, size_t */
#include <stdlib.h> /* getenv, realpath, strto* */
#include <unistd.h> /* get*id */
/**
* Resolve a pathname, with buffer overflow checking.
*
* LSB 5.0: LSB-Core-generic/baselib---realpath-chk-1.html
*/
char *__realpath_chk(const char *path, char *resolved_path, size_t resolved_len)
{
assert(path != NULL);
assert(resolved_path != NULL);
assert(resolved_len >= PATH_MAX);
return realpath(path, resolved_path);
}
/**
* Get an environment variable.
*/
char *__secure_getenv(const char *name)
{
if (geteuid() != getuid() || getegid() != getgid()) {
return NULL;
}
return getenv(name);
}
/**
* Underlying function for strtod.
*
* "__group shall be 0 or the behavior of __strtod_internal() is undefined."
*
* LSB 5.0: LSB-Core-generic/baselib---strtod-internal-1.html
*/
double __strtod_internal(const char *nptr, char **endptr, int group)
{
assert(group == 0);
return strtod(nptr, endptr);
}
/**
* Underlying function for strtof.
*
* "__group shall be 0 or the behavior of __strtof_internal() is undefined."
*
* LSB 5.0: LSB-Core-generic/baselib---strtof-internal.html
*/
float __strtof_internal(const char *nptr, char **endptr, int group)
{
assert(group == 0);
return strtof(nptr, endptr);
}
/**
* Underlying function for strtold.
*
* "__group shall be 0 or the behavior of __strtold_internal() is undefined."
*
* LSB 5.0: LSB-Core-generic/baselib---strtold-internal-1.html
*/
long double __strtold_internal(const char *nptr, char **endptr, int group)
{
assert(group == 0);
return strtold(nptr, endptr);
}
/**
* Convert string value to a long long integer.
*
* Some day, when musl supports LC_NUMERIC, we can probably remove this.
*/
long long int strtoll_l(const char *nptr, char **endptr, int base,
locale_t locale)
{
return strtoll(nptr, endptr, base);
}
/**
* Convert string value to a long long integer.
*
* LSB 5.0: LSB-Core-generic/baselib-strtoq-3.html
*/
long long strtoq(const char *nptr, char **endptr, int base)
{
return strtoll(nptr, endptr, base);
}
/**
* Convert a string to an unsigned long long.
*
* Some day, when musl supports LC_NUMERIC, we can probably remove this.
*/
unsigned long long int strtoull_l(const char *nptr, char **endptr, int base,
locale_t locale)
{
return strtoull(nptr, endptr, base);
}
/**
* Convert a string to an unsigned long long.
*
* LSB 5.0: LSB-Core-generic/baselib-strtouq-3.html
*/
unsigned long long strtouq(const char *nptr, char **endptr, int base)
{
return strtoull(nptr, endptr, base);
}
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