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graydongraydon
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Add libc module to libcore and utility file to help generate it.
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4 files changed

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-7
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4 files changed

+1144
-7
lines changed

‎src/etc/libc.c

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/*
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* This calculates the platform-variable portion of the libc module.
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* Move code in here only as you discover it is platform-variable.
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*
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*/
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/* c95 */
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#include <stddef.h>
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#include <time.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <limits.h>
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/* c99 */
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#include <inttypes.h>
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/* posix */
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#define S(T) ((((T)-1)<0) ? 'i' : 'u')
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#define B(T) (((int)sizeof(T)) * CHAR_BIT)
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#define put_type(N,T) \
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printf(" type %s = %c%d;\n", N, S(T), B(T))
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#define CT(T) ((((T)-1)<0) ? "int" : "uint")
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#define CS(T) ((((T)-1)<0) ? "" : "_u")
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#define put_const(N,T) \
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printf(" const %s : %s = %d%s;\n", \
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#N, CT(T), N, CS(T))
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void c95_types() {
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printf(" mod c95 {\n");
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put_type("c_char", char);
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put_type("c_schar", signed char);
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put_type("c_uchar", unsigned char);
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put_type("c_short", short);
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put_type("c_ushort", unsigned short);
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put_type("c_int", int);
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put_type("c_uint", unsigned int);
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put_type("c_long", long);
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put_type("c_ulong", unsigned long);
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put_type("size_t", size_t);
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put_type("ptrdiff_t", ptrdiff_t);
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put_type("clock_t", clock_t);
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put_type("time_t", time_t);
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printf(" }\n");
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}
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void c99_types() {
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printf(" mod c99 {\n");
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put_type("c_longlong", long long);
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put_type("c_ulonglong", unsigned long long);
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put_type("intptr_t", intptr_t);
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put_type("uintptr_t", uintptr_t);
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printf(" }\n");
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}
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void posix88_types() {
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printf(" mod posix88 {\n");
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put_type("off_t", off_t);
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put_type("dev_t", dev_t);
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put_type("ino_t", ino_t);
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put_type("pid_t", pid_t);
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#ifndef __WIN32__
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put_type("uid_t", uid_t);
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put_type("gid_t", gid_t);
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#endif
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put_type("useconds_t", useconds_t);
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put_type("mode_t", mode_t);
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put_type("ssize_t", ssize_t);
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printf(" }\n");
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}
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void extra_types() {
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printf(" mod extra {\n");
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printf(" }\n");
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}
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void c95_consts() {
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printf(" mod c95 {\n");
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put_const(EXIT_FAILURE, int);
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put_const(EXIT_SUCCESS, int);
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put_const(RAND_MAX, int);
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put_const(EOF, int);
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put_const(SEEK_SET, int);
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put_const(SEEK_CUR, int);
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put_const(SEEK_END, int);
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put_const(_IOFBF, int);
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put_const(_IONBF, int);
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put_const(_IOLBF, int);
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put_const(BUFSIZ, size_t);
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put_const(FOPEN_MAX, size_t);
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put_const(FILENAME_MAX, size_t);
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put_const(L_tmpnam, size_t);
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put_const(TMP_MAX, size_t);
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printf(" }\n");
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}
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void posix88_consts() {
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printf(" mod posix88 {\n");
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put_const(O_RDONLY, int);
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put_const(O_WRONLY, int);
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put_const(O_RDWR, int);
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put_const(O_APPEND, int);
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put_const(O_CREAT, int);
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put_const(O_EXCL, int);
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put_const(O_TRUNC, int);
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put_const(S_IFIFO, int);
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put_const(S_IFCHR, int);
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put_const(S_IFBLK, int);
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put_const(S_IFDIR, int);
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put_const(S_IFREG, int);
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put_const(S_IFMT, int);
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put_const(S_IEXEC, int);
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put_const(S_IWRITE, int);
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put_const(S_IREAD, int);
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put_const(S_IRWXU, int);
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put_const(S_IXUSR, int);
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put_const(S_IWUSR, int);
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put_const(S_IRUSR, int);
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#ifdef F_OK
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put_const(F_OK, int);
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#endif
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#ifdef R_OK
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put_const(R_OK, int);
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#endif
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#ifdef W_OK
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put_const(W_OK, int);
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#endif
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#ifdef X_OK
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put_const(X_OK, int);
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#endif
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#ifdef STDERR_FILENO
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put_const(STDERR_FILENO, int);
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#endif
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#ifdef STDIN_FILENO
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put_const(STDIN_FILENO, int);
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#endif
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#ifdef STDOUT_FILENO
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put_const(STDOUT_FILENO, int);
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#endif
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#ifdef F_LOCK
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put_const(F_LOCK, int);
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#endif
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#ifdef F_TEST
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put_const(F_TEST, int);
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#endif
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#ifdef F_TLOCK
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put_const(F_TLOCK, int);
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#endif
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#ifdef F_ULOCK
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put_const(F_ULOCK, int);
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#endif
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printf(" }\n");
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}
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void extra_consts() {
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printf(" mod extra {\n");
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#ifdef O_RSYNC
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put_const(O_RSYNC, int);
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#endif
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#ifdef O_DSYNC
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put_const(O_DSYNC, int);
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#endif
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#ifdef O_SYNC
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put_const(O_SYNC, int);
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#endif
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#ifdef O_TEXT
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put_const(O_TEXT, int);
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#endif
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#ifdef O_BINARY
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put_const(O_BINARY, int);
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#endif
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#ifdef O_IRUSR
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put_const(O_IRUSR, int);
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#endif
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#ifdef O_IWUSR
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put_const(O_IWUSR, int);
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#endif
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printf(" }\n");
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}
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int main() {
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printf("mod types {");
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c95_types();
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c99_types();
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posix88_types();
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extra_types();
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printf("}\n");
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printf("mod consts {\n");
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c95_consts();
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posix88_consts();
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extra_consts();
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printf("}\n");
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}
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‎src/libcore/core.rc

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@@ -81,6 +81,7 @@ mod to_str;
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// Runtime and language-primitive support
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mod libc;
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mod ctypes;
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mod math;
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mod cmath;

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