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#include <bits/ensure.h>
#include <stddef.h>
#include <errno.h>
#include <utmpx.h>
#include <stdio.h>
#include <time.h>
#include <paths.h>
#include <unistd.h>
#include <fcntl.h>
int utmpx_file = -1;
void updwtmpx(const char *, const struct utmpx *) {
// Empty as musl does
}
void endutxent(void) {
if (utmpx_file >= 0) {
close(utmpx_file);
}
}
void setutxent(void) {
if (utmpx_file < 0) {
utmpx_file = open(UTMPX_FILE, O_RDWR | O_CREAT, 0755);
} else {
lseek(utmpx_file, 0, SEEK_SET);
}
}
struct utmpx returned;
struct utmpx *getutxent(void) {
if (utmpx_file < 0) {
setutxent();
if (utmpx_file < 0) {
return NULL;
}
}
if (read(utmpx_file, &returned, sizeof(struct utmpx)) != sizeof(struct utmpx)) {
return NULL;
}
return &returned;
}
struct utmpx *pututxline(const struct utmpx *added) {
if (utmpx_file < 0) {
setutxent();
if (utmpx_file < 0) {
return NULL;
}
}
lseek(utmpx_file, 0, SEEK_END);
if (write(utmpx_file, added, sizeof(struct utmpx)) != sizeof(struct utmpx)) {
return NULL;
}
return (struct utmpx *)added;
}
int utmpxname(const char *path) {
if (utmpx_file > 0) {
close(utmpx_file);
}
utmpx_file = open(path, O_RDWR | O_CREAT, 0755);
if (utmpx_file > 0) {
lseek(utmpx_file, 0, SEEK_END);
return 1;
} else {
return 0;
}
}
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