mirror of
https://github.com/c3lang/c3c.git
synced 2026-02-27 12:01:16 +00:00
385 lines
15 KiB
C
385 lines
15 KiB
C
// Copyright (c) 2021 Christoffer Lerno. All rights reserved.
|
|
// Use of this source code is governed by the MIT license
|
|
// a copy of which can be found in the LICENSE_STDLIB file.
|
|
module libc;
|
|
|
|
|
|
// stdlib
|
|
|
|
|
|
// Constants need to be per os/arch
|
|
const int EXIT_FAILURE = 1;
|
|
const int EXIT_SUCCESS = 0;
|
|
const int RAND_MAX = 0x7fffffff;
|
|
|
|
struct DivResult
|
|
{
|
|
int quot;
|
|
int rem;
|
|
}
|
|
|
|
struct LongDivResult
|
|
{
|
|
long quot;
|
|
long rem;
|
|
}
|
|
|
|
|
|
|
|
fn Errno errno()
|
|
{
|
|
$if (env::OS_TYPE == OsType.WIN32):
|
|
return (Errno)windows::errno();
|
|
$elif (env::OS_TYPE == OsType.MACOSX):
|
|
return (Errno)macos::errno();
|
|
$elif (env::OS_TYPE == OsType.LINUX):
|
|
return (Errno)linux::errno();
|
|
$else:
|
|
return errno::ENOTRECOVERABLE;
|
|
$endif;
|
|
}
|
|
|
|
|
|
define TerminateFunction = fn void();
|
|
define CompareFunction = fn int(void*, void*);
|
|
extern fn double atof(char* str);
|
|
extern fn int atoi(char* str);
|
|
extern fn CLongLong atoll(char* str);
|
|
extern fn double strtod(char* str, char** endptr);
|
|
extern fn CLong strtol(char* str, char** endptr, int base);
|
|
extern fn CULong stroul(char* str, char** endptr, int base);
|
|
extern fn void abort();
|
|
extern fn void atexit(TerminateFunction f);
|
|
extern fn void exit(int status);
|
|
extern fn char* getenv(char* name);
|
|
extern fn int system(char* str);
|
|
extern fn void bsearch(void* key, void *base, usz items, usz size, CompareFunction compare);
|
|
extern fn void qsort(void* base, usz items, usz size, CompareFunction compare);
|
|
extern fn int abs(int x);
|
|
extern fn DivResult div(int numer, int denom);
|
|
extern fn long labs(long x);
|
|
extern fn LongDivResult ldiv(long number, long denom);
|
|
extern fn int rand();
|
|
extern fn void srand(uint seed);
|
|
|
|
define JmpBuf = CInt[$$JMP_BUF_SIZE];
|
|
|
|
extern fn void longjmp(JmpBuf* buffer, CInt value);
|
|
$if (env::OS_TYPE == OsType.WIN32):
|
|
// TODO win32 aarch64
|
|
extern fn CInt _setjmp(void* frameptr, JmpBuf* buffer);
|
|
macro CInt setjmp(JmpBuf* buffer) = _setjmp($$frameaddress(), buffer);
|
|
$else:
|
|
extern fn CInt setjmp(JmpBuf* buffer);
|
|
$endif;
|
|
// MB functions omitted
|
|
|
|
// string
|
|
extern fn void* memchr(void* str, int c, usz n);
|
|
extern fn int memcmp(void* str1, void* str2, usz n);
|
|
extern fn void* memcpy(void* dest, void* src, usz n);
|
|
extern fn void* memmove(void* dest, void* src, usz n);
|
|
extern fn void* memset(void* dest, usz n);
|
|
extern fn char* strcat(char* dest, char* src);
|
|
extern fn char* strncat(char* dest, char* src, usz n);
|
|
extern fn char* strchr(char* str, int c);
|
|
extern fn int strcmp(char* str1, char* str2);
|
|
extern fn int strncmp(char* str1, char* str2, usz n);
|
|
extern fn int strcoll(char* str1, char* str2);
|
|
extern fn char* strcpy(char* dst, char* src);
|
|
extern fn char* strncpy(char* dst, char* src, usz n);
|
|
extern fn usz strcspn(char* str1, char* str2);
|
|
extern fn char* strerror(int errn);
|
|
extern fn usz strlen(char* str);
|
|
extern fn char* strpbrk(char* str1, char* str2);
|
|
extern fn usz strspn(char* str1, char* str2);
|
|
extern fn char* strstr(char* haystack, char* needle);
|
|
extern fn char* strtok(char* str, char* delim);
|
|
extern fn usz strxfrm(char* dest, char* src, usz n);
|
|
|
|
// malloc
|
|
extern fn void* malloc(usz size);
|
|
extern fn void* calloc(usz count, usz size);
|
|
extern fn void* free(void*);
|
|
extern fn void* realloc(void* ptr, usz size);
|
|
|
|
// stdio
|
|
|
|
define Fpos = long;
|
|
define CFile = void*;
|
|
|
|
$switch (env::OS_TYPE):
|
|
$case OsType.LINUX:
|
|
extern CFile __stdin @extname("stdin");
|
|
extern CFile __stdout @extname("stdout");
|
|
extern CFile __stderr @extname("stderr");
|
|
extern fn usz malloc_usable_size(void* ptr);
|
|
macro usz malloc_size(void* ptr) { return malloc_usable_size(ptr); }
|
|
extern fn void* aligned_alloc(usz align, usz size);
|
|
macro CFile stdin() { return __stdin; }
|
|
macro CFile stdout() { return __stdout; }
|
|
macro CFile stderr() { return __stderr; }
|
|
$case OsType.MACOSX:
|
|
extern CFile __stdinp;
|
|
extern CFile __stdoutp;
|
|
extern CFile __stderrp;
|
|
extern fn usz malloc_size(void* ptr);
|
|
extern fn void* aligned_alloc(usz align, usz size);
|
|
macro CFile stdin() { return __stdinp; }
|
|
macro CFile stdout() { return __stdoutp; }
|
|
macro CFile stderr() { return __stderrp; }
|
|
$case OsType.WIN32:
|
|
extern fn CFile __acrt_iob_func(CInt c);
|
|
extern fn usz _msize(void* ptr);
|
|
macro usz malloc_size(void* ptr) { return _msize(ptr); }
|
|
macro CFile stdin() { return __acrt_iob_func(0); }
|
|
macro CFile stdout() { return __acrt_iob_func(1); }
|
|
macro CFile stderr() { return __acrt_iob_func(2); }
|
|
$default:
|
|
macro CFile stdin() { return (CFile*)(uptr)0; }
|
|
macro CFile stdout() { return (CFile*)(uptr)1; }
|
|
macro CFile stderr() { return (CFile*)(uptr)2; }
|
|
$endswitch;
|
|
|
|
|
|
const HAS_MALLOC_SIZE =
|
|
env::OS_TYPE == OsType.LINUX
|
|
|| env::OS_TYPE == OsType.WIN32
|
|
|| env::OS_TYPE == OsType.MACOSX;
|
|
|
|
// The following needs to be set per arch+os
|
|
// For now I have simply pulled the defaults from MacOS
|
|
const int SEEK_SET = 0;
|
|
const int SEEK_CUR = 1;
|
|
const int SEEK_END = 2;
|
|
const int _IOFBF = 0; // Fully buffered
|
|
const int _IOLBF = 1; // Line buffered
|
|
const int _IONBF = 2; // Unbuffered
|
|
const int BUFSIZ = 1024;
|
|
const int EOF = -1;
|
|
const int FOPEN_MAX = 20;
|
|
const int FILENAME_MAX = 1024;
|
|
|
|
define Errno = distinct CInt;
|
|
define SeekIndex = CLong;
|
|
|
|
extern fn int fclose(CFile stream);
|
|
extern fn void clearerr(CFile stream);
|
|
extern fn int feof(CFile stream);
|
|
extern fn int ferror(CFile stream);
|
|
extern fn int fflush(CFile stream);
|
|
extern fn int fgetpos(CFile stream, Fpos* pos);
|
|
extern fn CFile fopen(char* filename, char* mode);
|
|
extern fn usz fread(void* ptr, usz size, usz nmemb, CFile stream);
|
|
extern fn CFile freopen(char* filename, char* mode, CFile stream);
|
|
extern fn int fseek(CFile stream, SeekIndex offset, int whence);
|
|
extern fn int fsetpos(CFile stream, Fpos* pos);
|
|
extern fn SeekIndex ftell(CFile stream);
|
|
extern fn usz fwrite(void* ptr, usz size, usz nmemb, CFile stream);
|
|
extern fn int remove(char* filename);
|
|
extern fn int rename(char* old_name, char* new_name);
|
|
extern fn void rewind(CFile stream);
|
|
extern fn void setbuf(CFile stream, char* buffer);
|
|
extern fn void setvbuf(CFile stream, char* buffer, int mode, usz size);
|
|
extern fn CFile tmpnam(char* str);
|
|
extern fn int fprintf(CFile stream, char* format, ...);
|
|
extern fn int printf(char* format, ...);
|
|
extern fn int sprintf(char* str, char* format, ...);
|
|
extern fn int snprintf(char* str, usz size, char* format, ...);
|
|
extern fn int fscanf(CFile stream, char* format, ...);
|
|
extern fn int scanf(char* format, ...);
|
|
extern fn int sscanf(char* str, char* format, ...);
|
|
extern fn int fgetc(CFile stream);
|
|
extern fn char* fgets(char* str, int n, CFile stream);
|
|
extern fn int fputc(int c, CFile stream);
|
|
extern fn int getc(CFile stream);
|
|
extern fn int getchar();
|
|
extern fn int putc(char c, CFile stream);
|
|
extern fn int putchar(int c);
|
|
extern fn int puts(char* str);
|
|
extern fn int ungetc(int c, CFile stream);
|
|
extern fn void perror(char* str);
|
|
extern fn isz getline(char** linep, usz* linecapp, CFile stream);
|
|
|
|
// vsprintf vprintf not supported
|
|
|
|
// time.h
|
|
|
|
define TimeOffset = CLong;
|
|
|
|
struct Tm
|
|
{
|
|
int tm_sec; /* seconds after the minute [0-60] */
|
|
int tm_min; /* minutes after the hour [0-59] */
|
|
int tm_hour; /* hours since midnight [0-23] */
|
|
int tm_mday; /* day of the month [1-31] */
|
|
int tm_mon; /* months since January [0-11] */
|
|
int tm_year; /* years since 1900 */
|
|
int tm_wday; /* days since Sunday [0-6] */
|
|
int tm_yday; /* days since January 1 [0-365] */
|
|
int tm_isdst; /* Daylight Savings Time flag */
|
|
TimeOffset tm_gmtoff; /* offset from UTC in seconds */
|
|
char *tm_zone; /* timezone abbreviation */
|
|
}
|
|
|
|
// Likely wrong, must be per platform.
|
|
const CLOCKS_PER_SEC = 1000000;
|
|
|
|
// Time also needs to be per platform
|
|
define Time = long;
|
|
define Clock = ulong;
|
|
|
|
extern fn char* asctime(Tm *timeptr);
|
|
extern fn Clock clock();
|
|
extern fn char* ctime(Time *timer);
|
|
extern fn double difftime(Time time1, Time time2);
|
|
extern fn Tm* gmtime(Time *timer);
|
|
extern fn Tm* localtime(Time *timer);
|
|
extern fn Time mktime(Tm *timeptr);
|
|
extern fn usz strftime(char* str, usz maxsize, char* format, Tm *timeptr);
|
|
extern fn Time time(Time *timer);
|
|
|
|
// signal
|
|
define SignalFunction = fn void(int);
|
|
extern fn SignalFunction signal(int sig, SignalFunction function);
|
|
// Incomplete
|
|
|
|
|
|
module libc::errno;
|
|
|
|
const Errno EPERM = 1; /* Operation not permitted */
|
|
const Errno ENOENT = 2; /* No such file or directory */
|
|
const Errno ESRCH = 3; /* No such process */
|
|
const Errno EINTR = 4; /* Interrupted system call */
|
|
const Errno EIO = 5; /* I/O error */
|
|
const Errno ENXIO = 6; /* No such device or address */
|
|
const Errno E2BIG = 7; /* Argument list too long */
|
|
const Errno ENOEXEC = 8; /* Exec format error */
|
|
const Errno EBADF = 9; /* Bad file number */
|
|
const Errno ECHILD = 10; /* No child processes */
|
|
const Errno EAGAIN = 11; /* Try again */
|
|
const Errno ENOMEM = 12; /* Out of memory */
|
|
const Errno EACCES = 13; /* Permission denied */
|
|
const Errno EFAULT = 14; /* Bad address */
|
|
const Errno ENOTBLK = 15; /* Block device required */
|
|
const Errno EBUSY = 16; /* Device or resource busy */
|
|
const Errno EEXIST = 17; /* File exists */
|
|
const Errno EXDEV = 18; /* Cross-device link */
|
|
const Errno ENODEV = 19; /* No such device */
|
|
const Errno ENOTDIR = 20; /* Not a directory */
|
|
const Errno EISDIR = 21; /* Is a directory */
|
|
const Errno EINVAL = 22; /* Invalid argument */
|
|
const Errno ENFILE = 23; /* File table overflow */
|
|
const Errno EMFILE = 24; /* Too many open files */
|
|
const Errno ENOTTY = 25; /* Not a typewriter */
|
|
const Errno ETXTBSY = 26; /* Text file busy */
|
|
const Errno EFBIG = 27; /* File too large */
|
|
const Errno ENOSPC = 28; /* No space left on device */
|
|
const Errno ESPIPE = 29; /* Illegal seek */
|
|
const Errno EROFS = 30; /* Read-only file system */
|
|
const Errno EMLINK = 31; /* Too many links */
|
|
const Errno EPIPE = 32; /* Broken pipe */
|
|
const Errno EDOM = 33; /* Math argument out of domain of func */
|
|
const Errno ERANGE = 34; /* Math result not representable */
|
|
const Errno EDEADLK = 35; /* Resource deadlock would occur */
|
|
const Errno ENAMETOOLONG = 36; /* File name too long */
|
|
const Errno ENOLCK = 37; /* No record locks available */
|
|
const Errno ENOSYS = 38; /* Function not implemented */
|
|
const Errno ENOTEMPTY = 39; /* Directory not empty */
|
|
const Errno ELOOP = 40; /* Too many symbolic links encountered */
|
|
|
|
const Errno ENOMSG = 42; /* No message of desired type */
|
|
const Errno EIDRM = 43; /* Identifier removed */
|
|
const Errno ECHRNG = 44; /* Channel number out of range */
|
|
const Errno EL2NSYNC = 45; /* Level 2 not synchronized */
|
|
const Errno EL3HLT = 46; /* Level 3 halted */
|
|
const Errno EL3RST = 47; /* Level 3 reset */
|
|
const Errno ELNRNG = 48; /* Link number out of range */
|
|
const Errno EUNATCH = 49; /* Protocol driver not attached */
|
|
const Errno ENOCSI = 50; /* No CSI structure available */
|
|
const Errno EL2HLT = 51; /* Level 2 halted */
|
|
const Errno EBADE = 52; /* Invalid exchange */
|
|
const Errno EBADR = 53; /* Invalid request descriptor */
|
|
const Errno EXFULL = 54; /* Exchange full */
|
|
const Errno ENOANO = 55; /* No anode */
|
|
const Errno EBADRQC = 56; /* Invalid request code */
|
|
const Errno EBADSLT = 57; /* Invalid slot */
|
|
|
|
const Errno EBFONT = 59; /* Bad font file format */
|
|
const Errno ENOSTR = 60; /* Device not a stream */
|
|
const Errno ENODATA = 61; /* No data available */
|
|
const Errno ETIME = 62; /* Timer expired */
|
|
const Errno ENOSR = 63; /* Out of streams resources */
|
|
const Errno ENONET = 64; /* Machine is not on the network */
|
|
const Errno ENOPKG = 65; /* Package not installed */
|
|
const Errno EREMOTE = 66; /* Object is remote */
|
|
const Errno ENOLINK = 67; /* Link has been severed */
|
|
const Errno EADV = 68; /* Advertise error */
|
|
const Errno ESRMNT = 69; /* Srmount error */
|
|
const Errno ECOMM = 70; /* Communication error on send */
|
|
const Errno EPROTO = 71; /* Protocol error */
|
|
const Errno EMULTIHOP = 72; /* Multihop attempted */
|
|
const Errno EDOTDOT = 73; /* RFS specific error */
|
|
const Errno EBADMSG = 74; /* Not a data message */
|
|
const Errno EOVERFLOW = 75; /* Value too large for defined data type */
|
|
const Errno ENOTUNIQ = 76; /* Name not unique on network */
|
|
const Errno EBADFD = 77; /* File descriptor in bad state */
|
|
const Errno EREMCHG = 78; /* Remote address changed */
|
|
const Errno ELIBACC = 79; /* Can not access a needed shared library */
|
|
const Errno ELIBBAD = 80; /* Accessing a corrupted shared library */
|
|
const Errno ELIBSCN = 81; /* .lib section in a.out corrupted */
|
|
const Errno ELIBMAX = 82; /* Attempting to link in too many shared libraries */
|
|
const Errno ELIBEXEC = 83; /* Cannot exec a shared library directly */
|
|
const Errno EILSEQ = 84; /* Illegal byte sequence */
|
|
const Errno ERESTART = 85; /* Interrupted system call should be restarted */
|
|
const Errno ESTRPIPE = 86; /* Streams pipe error */
|
|
const Errno EUSERS = 87; /* Too many users */
|
|
const Errno ENOTSOCK = 88; /* Socket operation on non-socket */
|
|
const Errno EDESTADDRREQ = 89; /* Destination address required */
|
|
const Errno EMSGSIZE = 90; /* Message too long */
|
|
const Errno EPROTOTYPE = 91; /* Protocol wrong type for socket */
|
|
const Errno ENOPROTOOPT = 92; /* Protocol not available */
|
|
const Errno EPROTONOSUPPORT = 93; /* Protocol not supported */
|
|
const Errno ESOCKTNOSUPPORT = 94; /* Socket type not supported */
|
|
const Errno EOPNOTSUPP = 95; /* Operation not supported on transport endpoint */
|
|
const Errno EPFNOSUPPORT = 96; /* Protocol family not supported */
|
|
const Errno EAFNOSUPPORT = 97; /* Address family not supported by protocol */
|
|
const Errno EADDRINUSE = 98; /* Address already in use */
|
|
const Errno EADDRNOTAVAIL = 99; /* Cannot assign requested address */
|
|
const Errno ENETDOWN = 100; /* Network is down */
|
|
const Errno ENETUNREACH = 101; /* Network is unreachable */
|
|
const Errno ENETRESET = 102; /* Network dropped connection because of reset */
|
|
const Errno ECONNABORTED = 103; /* Software caused connection abort */
|
|
const Errno ECONNRESET = 104; /* Connection reset by peer */
|
|
const Errno ENOBUFS = 105; /* No buffer space available */
|
|
const Errno EISCONN = 106; /* Transport endpoint is already connected */
|
|
const Errno ENOTCONN = 107; /* Transport endpoint is not connected */
|
|
const Errno ESHUTDOWN = 108; /* Cannot send after transport endpoint shutdown */
|
|
const Errno ETOOMANYREFS = 109; /* Too many references: cannot splice */
|
|
const Errno ETIMEDOUT = 110; /* Connection timed out */
|
|
const Errno ECONNREFUSED = 111; /* Connection refused */
|
|
const Errno EHOSTDOWN = 112; /* Host is down */
|
|
const Errno EHOSTUNREACH = 113; /* No route to host */
|
|
const Errno EALREADY = 114; /* Operation already in progress */
|
|
const Errno EINPROGRESS = 115; /* Operation now in progress */
|
|
const Errno ESTALE = 116; /* Stale NFS file handle */
|
|
const Errno EUCLEAN = 117; /* Structure needs cleaning */
|
|
const Errno ENOTNAM = 118; /* Not a XENIX named type file */
|
|
const Errno ENAVAIL = 119; /* No XENIX semaphores available */
|
|
const Errno EISNAM = 120; /* Is a named type file */
|
|
const Errno EREMOTEIO = 121; /* Remote I/O error */
|
|
const Errno EDQUOT = 122; /* Quota exceeded */
|
|
|
|
const Errno ENOMEDIUM = 123; /* No medium found */
|
|
const Errno EMEDIUMTYPE = 124; /* Wrong medium type */
|
|
const Errno ECANCELED = 125; /* Operation Canceled */
|
|
const Errno ENOKEY = 126; /* Required key not available */
|
|
const Errno EKEYEXPIRED = 127; /* Key has expired */
|
|
const Errno EKEYREVOKED = 128; /* Key has been revoked */
|
|
const Errno EKEYREJECTED = 129; /* Key was rejected by service */
|
|
|
|
const Errno EOWNERDEAD = 130; /* Owner died */
|
|
const Errno ENOTRECOVERABLE = 131; /* State not recoverable */
|
|
|
|
|