feat(userspace/libc): implement functions for porting apps

Signed-off-by: EnderIce2 <enderice2@protonmail.com>

Userspace/libc/include/bits/libc.h

@@ -70,5 +70,10 @@ int sysdep(ChangeDirectory)(const char *Pathname);
 char *sysdep(GetWorkingDirectory)(char *Buffer, size_t Size);
 int sysdep(Brk)(void *Address);
 int sysdep(FileControl)(int Descriptor, int Command, void *Arg);
+int sysdep(ClockGetTime)(clockid_t ClockID, struct timespec *TP);
+time_t sysdep(Time)(void);
+clock_t sysdep(Clock)(void);
+int sysdep(RemoveDirectory)(const char *Pathname);
+int sysdep(Unlink)(const char *Pathname);
 
 #endif // FENNIX_BITS_LIBC_H

Userspace/libc/include/iconv.h

@@ -0,0 +1,29 @@
+/*
+	This file is part of Fennix C Library.
+
+	Fennix C Library is free software: you can redistribute it and/or
+	modify it under the terms of the GNU General Public License as
+	published by the Free Software Foundation, either version 3 of
+	the License, or (at your option) any later version.
+
+	Fennix C Library is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with Fennix C Library. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#ifndef _ICONV_H
+#define _ICONV_H
+
+#include <stddef.h>
+
+typedef void *iconv_t;
+
+iconv_t iconv_open(const char *tocode, const char *fromcode);
+size_t iconv(iconv_t cd, char **restrict inbuf, size_t *restrict inbytesleft, char **restrict outbuf, size_t *restrict outbytesleft);
+int iconv_close(iconv_t cd);
+
+#endif // _ICONV_H

Userspace/libc/include/stddef.h

@@ -27,6 +27,8 @@ extern "C"
 #define NULL ((void *)0)
 #endif
 
+#define offsetof(TYPE, MEMBER) ((size_t)&((TYPE *)0)->MEMBER)
+
 	typedef struct
 	{
 		long long __a;

Userspace/libc/include/stdio.h

@@ -106,7 +106,7 @@ extern "C"
 	int fputs(const char *restrict s, FILE *restrict stream);
 	size_t fread(void *restrict ptr, size_t size, size_t nitems, FILE *restrict stream);
 	FILE *freopen(const char *restrict, const char *restrict, FILE *restrict);
-	int fscanf(FILE *restrict, const char *restrict, ...);
+	int fscanf(FILE *restrict stream, const char *restrict format, ...);
 	int fseek(FILE *stream, long offset, int whence);
 	int fseeko(FILE *, off_t, int);
 	int fsetpos(FILE *, const fpos_t *);
@@ -131,16 +131,16 @@ extern "C"
 	int putc_unlocked(int c, FILE *stream);
 	int putchar_unlocked(int c);
 	int puts(const char *s);
-	int remove(const char *);
+	int remove(const char *path);
 	int rename(const char *, const char *);
 	int renameat(int, const char *, int, const char *);
 	void rewind(FILE *);
-	int scanf(const char *restrict, ...);
+	int scanf(const char *restrict format, ...);
 	void setbuf(FILE *restrict, char *restrict);
 	int setvbuf(FILE *restrict, char *restrict, int, size_t);
 	int snprintf(char *restrict s, size_t n, const char *restrict format, ...);
 	int sprintf(char *restrict s, const char *restrict format, ...);
-	int sscanf(const char *restrict, const char *restrict, ...);
+	int sscanf(const char *restrict s, const char *restrict format, ...);
 	FILE *tmpfile(void);
 	char *tmpnam(char *);
 	int ungetc(int, FILE *);
@@ -149,7 +149,7 @@ extern "C"
 	int vfscanf(FILE *restrict, const char *restrict, va_list);
 	int vprintf(const char *restrict, va_list);
 	int vscanf(const char *restrict, va_list);
-	int vsnprintf(char *restrict, size_t, const char *restrict, va_list);
+	int vsnprintf(char *restrict s, size_t n, const char *restrict format, va_list ap);
 	int vsprintf(char *restrict, const char *restrict, va_list);
 	int vsscanf(const char *restrict, const char *restrict, va_list);
 

Userspace/libc/include/stdlib.h

@@ -102,7 +102,8 @@ extern "C"
 	double strtod(const char *, char **);
 	long strtol(const char *restrict nptr, char **restrict endptr, int base);
 	long long strtoll(const char *restrict nptr, char **restrict endptr, int base);
-	unsigned long int strtoul(const char *, char **, int);
+	unsigned long int strtoul(const char *restrict str, char **restrict endptr, int base);
+	unsigned long long strtoull(const char *restrict str, char **restrict endptr, int base);
 	int system(const char *command);
 	int ttyslot(void);
 	int unlockpt(int);

Userspace/libc/include/sys/select.h

@@ -0,0 +1,41 @@
+/*
+	This file is part of Fennix C Library.
+
+	Fennix C Library is free software: you can redistribute it and/or
+	modify it under the terms of the GNU General Public License as
+	published by the Free Software Foundation, either version 3 of
+	the License, or (at your option) any later version.
+
+	Fennix C Library is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with Fennix C Library. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#ifndef _SYS_SELECT_H
+#define _SYS_SELECT_H
+
+#include <sys/types.h>
+#include <signal.h>
+#include <time.h>
+#include <sys/time.h>
+
+#define FD_SETSIZE 1024
+
+typedef struct
+{
+	unsigned long fds_bits[(FD_SETSIZE + (8 * sizeof(unsigned long) - 1)) / (8 * sizeof(unsigned long))];
+} fd_set;
+
+#define FD_CLR(fd, fdset) ((fdset)->fds_bits[(fd) / (8 * sizeof(unsigned long))] &= ~(1UL << ((fd) % (8 * sizeof(unsigned long)))))
+#define FD_ISSET(fd, fdset) (((fdset)->fds_bits[(fd) / (8 * sizeof(unsigned long))] & (1UL << ((fd) % (8 * sizeof(unsigned long))))) != 0)
+#define FD_SET(fd, fdset) ((fdset)->fds_bits[(fd) / (8 * sizeof(unsigned long))] |= (1UL << ((fd) % (8 * sizeof(unsigned long)))))
+#define FD_ZERO(fdset) (memset((fdset), 0, sizeof(fd_set)))
+
+int select(int nfds, fd_set *restrict readfds, fd_set *restrict writefds, fd_set *restrict exceptfds, struct timeval *restrict timeout);
+int pselect(int nfds, fd_set *restrict readfds, fd_set *restrict writefds, fd_set *restrict exceptfds, const struct timespec *restrict timeout, const sigset_t *restrict sigmask);
+
+#endif // _SYS_SELECT_H

Userspace/libc/include/sys/time.h

@@ -0,0 +1,51 @@
+/*
+	This file is part of Fennix C Library.
+
+	Fennix C Library is free software: you can redistribute it and/or
+	modify it under the terms of the GNU General Public License as
+	published by the Free Software Foundation, either version 3 of
+	the License, or (at your option) any later version.
+
+	Fennix C Library is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with Fennix C Library. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#ifndef _SYS_TIME_H
+#define _SYS_TIME_H
+
+#include <bits/libc.h>
+#include <sys/types.h>
+#include <sys/select.h>
+
+typedef long time_t;
+typedef long suseconds_t;
+
+struct timeval
+{
+	time_t tv_sec;		 /* Seconds */
+	suseconds_t tv_usec; /* Microseconds */
+};
+
+struct itimerval
+{
+	struct timeval it_interval; /* Timer interval */
+	struct timeval it_value;	/* Current value */
+};
+
+/* Values for the which argument of getitimer() and setitimer() */
+#define ITIMER_REAL 0
+#define ITIMER_VIRTUAL 1
+#define ITIMER_PROF 2
+
+int getitimer(int which, struct itimerval *value);
+int gettimeofday(struct timeval *restrict tp, void *restrict tzp);
+// int select(int nfds, fd_set *restrict readfds, fd_set *restrict writefds, fd_set *restrict exceptfds, struct timeval *restrict timeout);
+int setitimer(int which, const struct itimerval *restrict new_value, struct itimerval *restrict old_value);
+int utimes(const char *filename, const struct timeval times[2]);
+
+#endif // _SYS_TIME_H

Userspace/libc/include/sys/un.h

@@ -0,0 +1,31 @@
+/*
+	This file is part of Fennix C Library.
+
+	Fennix C Library is free software: you can redistribute it and/or
+	modify it under the terms of the GNU General Public License as
+	published by the Free Software Foundation, either version 3 of
+	the License, or (at your option) any later version.
+
+	Fennix C Library is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with Fennix C Library. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#ifndef _SYS_UN_H
+#define _SYS_UN_H
+
+#include <sys/socket.h>
+
+#define SUN_PATH_SIZE 108
+
+struct sockaddr_un
+{
+	sa_family_t sun_family;		  /* Address family */
+	char sun_path[SUN_PATH_SIZE]; /* Socket pathname storage */
+};
+
+#endif // _SYS_UN_H

Userspace/libc/include/time.h

@@ -49,7 +49,7 @@ extern "C"
 		struct timespec it_value;	 /* Timer expiration. */
 	} itimerspec;
 
-#define CLOCKS_PER_SEC
+#define CLOCKS_PER_SEC 1000000
 #define TIME_UTC
 #define CLOCK_MONOTONIC __SYS_CLOCK_MONOTONIC
 #define CLOCK_PROCESS_CPUTIME_ID __SYS_CLOCK_PROCESS_CPUTIME_ID
@@ -64,10 +64,10 @@ extern "C"
 	char *asctime(const struct tm *);
 	clock_t clock(void);
 	int clock_getcpuclockid(pid_t, clockid_t *);
-	int clock_getres(clockid_t, struct timespec *);
-	int clock_gettime(clockid_t, struct timespec *);
+	int clock_getres(clockid_t clock_id, struct timespec *res);
+	int clock_gettime(clockid_t clock_id, struct timespec *tp);
 	int clock_nanosleep(clockid_t, int, const struct timespec *, struct timespec *);
-	int clock_settime(clockid_t, const struct timespec *);
+	int clock_settime(clockid_t clock_id, const struct timespec *tp);
 	char *ctime(const time_t *);
 	double difftime(time_t, time_t);
 	struct tm *getdate(const char *);
@@ -81,7 +81,7 @@ extern "C"
 	size_t strftime(char *restrict, size_t, const char *restrict, const struct tm *restrict);
 	size_t strftime_l(char *restrict, size_t, const char *restrict, const struct tm *restrict, locale_t);
 	char *strptime(const char *restrict, const char *restrict, struct tm *restrict);
-	time_t time(time_t *);
+	time_t time(time_t *tloc);
 	int timer_create(clockid_t, struct sigevent *restrict, timer_t *restrict);
 	int timer_delete(timer_t);
 	int timer_getoverrun(timer_t);

Userspace/libc/include/unistd.h

@@ -121,7 +121,7 @@ extern "C"
 	ssize_t pwrite(int fildes, const void *buf, size_t nbyte, off_t offset);
 	ssize_t read(int fildes, void *buf, size_t nbyte);
 	int readlink(const char *, char *, size_t);
-	int rmdir(const char *);
+	int rmdir(const char *path);
 	void *sbrk(intptr_t incr);
 	int setgid(gid_t);
 	int setpgid(pid_t, pid_t);
@@ -141,7 +141,7 @@ extern "C"
 	char *ttyname(int);
 	int ttyname_r(int, char *, size_t);
 	useconds_t ualarm(useconds_t, useconds_t);
-	int unlink(const char *);
+	int unlink(const char *path);
 	int usleep(useconds_t);
 	pid_t vfork(void);
 	ssize_t write(int fildes, const void *buf, size_t nbyte);