Update libc implementation

libc/include/assert.h

@@ -0,0 +1,4 @@
+#ifndef _ASSERT_H
+#define _ASSERT_H
+
+#endif

libc/include/aux.h

@@ -1,7 +1,7 @@
 #ifndef __FENNIX_LIBC_AUX_H__
 #define __FENNIX_LIBC_AUX_H__
 
-#include <types.h>
+#include <stddef.h>
 
 #define AT_NULL 0
 #define AT_IGNORE 1
@@ -44,11 +44,26 @@
 
 typedef struct
 {
-    unsigned long a_type;
+    uint32_t a_type;
     union
     {
-        unsigned long a_val;
+        uint32_t a_val;
+    } a_un;
+} Elf32_auxv_t;
+
+typedef struct
+{
+    uint64_t a_type;
+    union
+    {
+        uint64_t a_val;
     } a_un;
 } Elf64_auxv_t;
 
+#ifdef __LP64__
+#define Elf_auxv_t Elf64_auxv_t
+#else
+#define Elf_auxv_t Elf32_auxv_t
+#endif
+
 #endif // !__FENNIX_LIBC_AUX_H__

libc/include/ctype.h

@@ -1,4 +1,8 @@
 #ifndef _CTYPE_H
 #define _CTYPE_H
 
+int tolower(int c);
+int toupper(int c);
+int isspace(int c);
+
 #endif // !_CTYPE_H

libc/include/errno.h

@@ -1,4 +1,42 @@
 #ifndef _ERRNO_H
 #define _ERRNO_H
 
+#define EPERM 1    /* Operation not permitted */
+#define ENOENT 2   /* No such file or directory */
+#define ESRCH 3    /* No such process */
+#define EINTR 4    /* Interrupted system call */
+#define EIO 5      /* I/O error */
+#define ENXIO 6    /* No such device or address */
+#define E2BIG 7    /* Argument list too long */
+#define ENOEXEC 8  /* Exec format error */
+#define EBADF 9    /* Bad file number */
+#define ECHILD 10  /* No child processes */
+#define EAGAIN 11  /* Try again */
+#define ENOMEM 12  /* Out of memory */
+#define EACCES 13  /* Permission denied */
+#define EFAULT 14  /* Bad address */
+#define ENOTBLK 15 /* Block device required */
+#define EBUSY 16   /* Device or resource busy */
+#define EEXIST 17  /* File exists */
+#define EXDEV 18   /* Cross-device link */
+#define ENODEV 19  /* No such device */
+#define ENOTDIR 20 /* Not a directory */
+#define EISDIR 21  /* Is a directory */
+#define EINVAL 22  /* Invalid argument */
+#define ENFILE 23  /* File table overflow */
+#define EMFILE 24  /* Too many open files */
+#define ENOTTY 25  /* Not a typewriter */
+#define ETXTBSY 26 /* Text file busy */
+#define EFBIG 27   /* File too large */
+#define ENOSPC 28  /* No space left on device */
+#define ESPIPE 29  /* Illegal seek */
+#define EROFS 30   /* Read-only file system */
+#define EMLINK 31  /* Too many links */
+#define EPIPE 32   /* Broken pipe */
+#define EDOM 33    /* Math argument out of domain of func */
+#define ERANGE 34  /* Math result not representable */
+
+extern int *__errno_location(void) __attribute__((const));
+#define errno (*__errno_location())
+
 #endif

libc/include/limits.h

@@ -0,0 +1,119 @@
+#ifndef _LIMITS_H
+#define _LIMITS_H
+
+#undef CHAR_BIT
+#define CHAR_BIT __CHAR_BIT__
+
+#ifndef MB_LEN_MAX
+#define MB_LEN_MAX 1
+#endif
+
+#undef SCHAR_MIN
+#define SCHAR_MIN (-SCHAR_MAX - 1)
+#undef SCHAR_MAX
+#define SCHAR_MAX __SCHAR_MAX__
+
+#undef UCHAR_MAX
+#if __SCHAR_MAX__ == __INT_MAX__
+#define UCHAR_MAX (SCHAR_MAX * 2U + 1U)
+#else
+#define UCHAR_MAX (SCHAR_MAX * 2 + 1)
+#endif
+
+#ifdef __CHAR_UNSIGNED__
+#undef CHAR_MIN
+#if __SCHAR_MAX__ == __INT_MAX__
+#define CHAR_MIN 0U
+#else
+#define CHAR_MIN 0
+#endif
+#undef CHAR_MAX
+#define CHAR_MAX UCHAR_MAX
+#else
+#undef CHAR_MIN
+#define CHAR_MIN SCHAR_MIN
+#undef CHAR_MAX
+#define CHAR_MAX SCHAR_MAX
+#endif
+
+#undef SHRT_MIN
+#define SHRT_MIN (-SHRT_MAX - 1)
+#undef SHRT_MAX
+#define SHRT_MAX __SHRT_MAX__
+
+#undef USHRT_MAX
+#if __SHRT_MAX__ == __INT_MAX__
+#define USHRT_MAX (SHRT_MAX * 2U + 1U)
+#else
+#define USHRT_MAX (SHRT_MAX * 2 + 1)
+#endif
+
+#undef INT_MIN
+#define INT_MIN (-INT_MAX - 1)
+#undef INT_MAX
+#define INT_MAX __INT_MAX__
+
+#undef UINT_MAX
+#define UINT_MAX (INT_MAX * 2U + 1U)
+
+#undef LONG_MIN
+#define LONG_MIN (-LONG_MAX - 1L)
+#undef LONG_MAX
+#define LONG_MAX __LONG_MAX__
+
+#undef ULONG_MAX
+#define ULONG_MAX (LONG_MAX * 2UL + 1UL)
+
+#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+#undef LLONG_MIN
+#define LLONG_MIN (-LLONG_MAX - 1LL)
+#undef LLONG_MAX
+#define LLONG_MAX __LONG_LONG_MAX__
+
+#undef ULLONG_MAX
+#define ULLONG_MAX (LLONG_MAX * 2ULL + 1ULL)
+#endif
+
+#if defined(__GNU_LIBRARY__) ? defined(__USE_GNU) : !defined(__STRICT_ANSI__)
+#undef LONG_LONG_MIN
+#define LONG_LONG_MIN (-LONG_LONG_MAX - 1LL)
+#undef LONG_LONG_MAX
+#define LONG_LONG_MAX __LONG_LONG_MAX__
+
+#undef ULONG_LONG_MAX
+#define ULONG_LONG_MAX (LONG_LONG_MAX * 2ULL + 1ULL)
+#endif
+
+#if (defined __STDC_WANT_IEC_60559_BFP_EXT__ || (defined(__STDC_VERSION__) && __STDC_VERSION__ > 201710L))
+#undef CHAR_WIDTH
+#define CHAR_WIDTH __SCHAR_WIDTH__
+#undef SCHAR_WIDTH
+#define SCHAR_WIDTH __SCHAR_WIDTH__
+#undef UCHAR_WIDTH
+#define UCHAR_WIDTH __SCHAR_WIDTH__
+#undef SHRT_WIDTH
+#define SHRT_WIDTH __SHRT_WIDTH__
+#undef USHRT_WIDTH
+#define USHRT_WIDTH __SHRT_WIDTH__
+#undef INT_WIDTH
+#define INT_WIDTH __INT_WIDTH__
+#undef UINT_WIDTH
+#define UINT_WIDTH __INT_WIDTH__
+#undef LONG_WIDTH
+#define LONG_WIDTH __LONG_WIDTH__
+#undef ULONG_WIDTH
+#define ULONG_WIDTH __LONG_WIDTH__
+#undef LLONG_WIDTH
+#define LLONG_WIDTH __LONG_LONG_WIDTH__
+#undef ULLONG_WIDTH
+#define ULLONG_WIDTH __LONG_LONG_WIDTH__
+#endif
+
+#if defined(__STDC_VERSION__) && __STDC_VERSION__ > 201710L
+#undef BOOL_MAX
+#define BOOL_MAX 1
+#undef BOOL_WIDTH
+#define BOOL_WIDTH 1
+#endif
+
+#endif // !_LIMITS_H

libc/include/stdio.h

@@ -5,6 +5,8 @@
 #include <stddef.h>
 
 #define SEEK_SET 0
+#define SEEK_CUR 1
+#define SEEK_END 2
 
 typedef struct
 {
@@ -31,12 +33,17 @@ extern "C"
     size_t fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream);
     void setbuf(FILE *stream, char *buf);
     int vfprintf(FILE *stream, const char *format, va_list arg);
+    int vsscanf(const char *s, const char *format, va_list arg);
+    int sscanf(const char *s, const char *format, ...);
 
-    int puts(const char *s);
+    int fputc(int c, FILE *stream);
+    int putc(int c, FILE *stream);
+    int fputs(const char *s, FILE *stream);
     int putchar(int c);
+    int puts(const char *s);
 
 #ifdef __cplusplus
 }
 #endif
 
-#endif
+#endif

libc/include/stdlib.h

@@ -18,6 +18,9 @@ extern "C"
     void *realloc(void *Address, size_t Size);
     void *calloc(size_t Count, size_t Size);
     void free(void *Address);
+    int system(const char *command);
+
+    double atof(const char *nptr);
 
 #ifdef __cplusplus
 }

libc/include/string.h

@@ -8,11 +8,18 @@ extern "C"
 {
 #endif
 
-    void *memcpy(void *, const void *, size_t);
-    void *memset(void *, int, size_t);
-    char *strcpy(char *, const char *);
-    size_t strlen(const char *);
+    size_t strlen(const char *str);
+    int strcmp(const char *l, const char *r);
     int strncmp(const char *s1, const char *s2, size_t n);
+    int strcasecmp(const char *s1, const char *s2);
+    int strncasecmp(const char *string1, const char *string2, size_t count);
+    char *strstr(const char *haystack, const char *needle);
+    char *strncpy(char *destination, const char *source, unsigned long num);
+    char *strdup(const char *s);
+    char *strchr(char const *s, int c);
+    char *strrchr(char const *s, int c);
+
+    void *memmove(void *dest, const void *src, size_t n);
 
 #ifdef __cplusplus
 }

libc/include/sys/stat.h

@@ -1,4 +1,18 @@
 #ifndef _SYS_STAT_H
 #define _SYS_STAT_H
 
+typedef unsigned int _dev_t;
+typedef unsigned short _ino_t;
+typedef unsigned short _mode_t;
+typedef int _off_t;
+
+#define dev_t _dev_t
+#define ino_t _ino_t
+#define mode_t _mode_t
+#define off_t _off_t
+
+int mkdir(const char *path, mode_t mode);
+int remove(const char *pathname);
+int rename(const char *oldpath, const char *newpath);
+
 #endif

libc/include/sys/time.h

@@ -0,0 +1,4 @@
+#ifndef _SYS_TIME_H
+#define _SYS_TIME_H
+
+#endif