lib: Add mlibc

Signed-off-by: Ian Moffett <ian@osmora.org>

18 files changed, 552 insertions, 0 deletions

diff --git a/lib/mlibc/options/posix/include/bits/posix/fd_set.h b/lib/mlibc/options/posix/include/bits/posix/fd_set.h
new file mode 100644
index 0000000..554738e
--- /dev/null
+++ b/lib/mlibc/options/posix/include/bits/posix/fd_set.h
@@ -0,0 +1,14 @@
+#ifndef MLIBC_FD_SET_H
+#define MLIBC_FD_SET_H
+
+#include <bits/types.h>
+
+typedef struct {
+	union {
+		__mlibc_uint8 __mlibc_elems[128];
+		// Some programs require the fds_bits field to be present
+		__mlibc_uint8 fds_bits[128];
+	};
+} fd_set;
+
+#endif // MLIBC_FD_SET_H
diff --git a/lib/mlibc/options/posix/include/bits/posix/id_t.h b/lib/mlibc/options/posix/include/bits/posix/id_t.h
new file mode 100644
index 0000000..f222bc1
--- /dev/null
+++ b/lib/mlibc/options/posix/include/bits/posix/id_t.h
@@ -0,0 +1,6 @@
+#ifndef _MLIBC_ID_T_H
+#define _MLIBC_ID_T_H
+
+typedef unsigned int id_t;
+
+#endif // _MLIBC_ID_T_H
diff --git a/lib/mlibc/options/posix/include/bits/posix/in_addr_t.h b/lib/mlibc/options/posix/include/bits/posix/in_addr_t.h
new file mode 100644
index 0000000..bac9ff2
--- /dev/null
+++ b/lib/mlibc/options/posix/include/bits/posix/in_addr_t.h
@@ -0,0 +1,8 @@
+#ifndef MLIBC_IN_ADDR_H
+#define MLIBC_IN_ADDR_H
+
+#include <stdint.h>
+
+typedef uint32_t in_addr_t;
+
+#endif // MLIBC_IN_ADDR_H
diff --git a/lib/mlibc/options/posix/include/bits/posix/in_port_t.h b/lib/mlibc/options/posix/include/bits/posix/in_port_t.h
new file mode 100644
index 0000000..0368159
--- /dev/null
+++ b/lib/mlibc/options/posix/include/bits/posix/in_port_t.h
@@ -0,0 +1,8 @@
+#ifndef MLIBC_IN_PORT_H
+#define MLIBC_IN_PORT_H
+
+#include <stdint.h>
+
+typedef uint16_t in_port_t;
+
+#endif // MLIBC_IN_PORT_H
diff --git a/lib/mlibc/options/posix/include/bits/posix/iovec.h b/lib/mlibc/options/posix/include/bits/posix/iovec.h
new file mode 100644
index 0000000..c004f1c
--- /dev/null
+++ b/lib/mlibc/options/posix/include/bits/posix/iovec.h
@@ -0,0 +1,11 @@
+#ifndef MLIBC_IOVEC_H
+#define MLIBC_IOVEC_H
+
+#include <bits/types.h>
+
+struct iovec {
+	void *iov_base;
+	__mlibc_size iov_len;
+};
+
+#endif // MLIBC_IOVEC_H
diff --git a/lib/mlibc/options/posix/include/bits/posix/locale_t.h b/lib/mlibc/options/posix/include/bits/posix/locale_t.h
new file mode 100644
index 0000000..c128d58
--- /dev/null
+++ b/lib/mlibc/options/posix/include/bits/posix/locale_t.h
@@ -0,0 +1,14 @@
+#ifndef _LOCALE_T_H
+#define _LOCALE_T_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef void *locale_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _LOCALE_T_H
diff --git a/lib/mlibc/options/posix/include/bits/posix/posix_ctype.h b/lib/mlibc/options/posix/include/bits/posix/posix_ctype.h
new file mode 100644
index 0000000..2b11057
--- /dev/null
+++ b/lib/mlibc/options/posix/include/bits/posix/posix_ctype.h
@@ -0,0 +1,36 @@
+#ifndef _POSIX_CTYPE_H
+#define _POSIX_CTYPE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <bits/posix/locale_t.h>
+
+#ifndef __MLIBC_ABI_ONLY
+
+int isalnum_l(int c, locale_t loc);
+int isalpha_l(int c, locale_t loc);
+int isblank_l(int c, locale_t loc);
+int iscntrl_l(int c, locale_t loc);
+int isdigit_l(int c, locale_t loc);
+int isgraph_l(int c, locale_t loc);
+int islower_l(int c, locale_t loc);
+int isprint_l(int c, locale_t loc);
+int ispunct_l(int c, locale_t loc);
+int isspace_l(int c, locale_t loc);
+int isupper_l(int c, locale_t loc);
+int isxdigit_l(int c, locale_t loc);
+
+int isascii_l(int c, locale_t loc);
+
+int tolower_l(int c, locale_t loc);
+int toupper_l(int c, locale_t loc); 
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _POSIX_CTYPE_H
diff --git a/lib/mlibc/options/posix/include/bits/posix/posix_locale.h b/lib/mlibc/options/posix/include/bits/posix/posix_locale.h
new file mode 100644
index 0000000..7554bc5
--- /dev/null
+++ b/lib/mlibc/options/posix/include/bits/posix/posix_locale.h
@@ -0,0 +1,23 @@
+#ifndef MLIBC_POSIX_LOCALE_H
+#define MLIBC_POSIX_LOCALE_H
+
+#include <bits/posix/locale_t.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __MLIBC_ABI_ONLY
+
+locale_t newlocale(int category_mask, const char *locale, locale_t base);
+void freelocale(locale_t locobj);
+locale_t uselocale(locale_t locobj);
+locale_t duplocale(locale_t locobj);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // MLIBC_POSIX_LOCALE_H
diff --git a/lib/mlibc/options/posix/include/bits/posix/posix_signal.h b/lib/mlibc/options/posix/include/bits/posix/posix_signal.h
new file mode 100644
index 0000000..20f030f
--- /dev/null
+++ b/lib/mlibc/options/posix/include/bits/posix/posix_signal.h
@@ -0,0 +1,111 @@
+
+#ifndef MLIBC_POSIX_SIGNAL_H
+#define MLIBC_POSIX_SIGNAL_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <bits/ansi/time_t.h>
+#include <bits/ansi/timespec.h>
+#include <bits/posix/pthread_t.h>
+#include <bits/sigset_t.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <mlibc-config.h>
+
+#define FPE_INTDIV      1       /* integer divide by zero */
+#define FPE_INTOVF      2       /* integer overflow */
+#define FPE_FLTDIV      3       /* floating point divide by zero */
+#define FPE_FLTOVF      4       /* floating point overflow */
+#define FPE_FLTUND      5       /* floating point underflow */
+#define FPE_FLTRES      6       /* floating point inexact result */
+#define FPE_FLTINV      7       /* floating point invalid operation */
+#define FPE_FLTSUB      8       /* subscript out of range */
+
+#define TRAP_BRKPT      1       /* process breakpoint */
+#define TRAP_TRACE      2       /* process trace trap */
+
+// Start Glibc stuff
+
+struct _libc_fpxreg {
+  unsigned short int significand[4];
+  unsigned short int exponent;
+  unsigned short int __glibc_reserved1[3];
+};
+
+struct _libc_xmmreg {
+  uint32_t element[4];
+};
+
+struct _libc_fpstate {
+  uint16_t cwd;
+  int16_t  swd;
+  uint16_t ftw;
+  uint16_t fop;
+  uint64_t rip;
+  uint64_t dp;
+  uint32_t mxcsr;
+  uint32_t mxcr_mask;
+  struct _libc_fpxreg _st[8];
+  struct _libc_xmmreg _xmm[16];
+  uint32_t __glibc_reserved1[24];
+};
+
+typedef struct _libc_fpstate *fpregset_t;
+// End Glibc stuff
+
+typedef unsigned long int greg_t;
+
+#define FPE_INTDIV      1       /* integer divide by zero */
+#define FPE_INTOVF      2       /* integer overflow */
+#define FPE_FLTDIV      3       /* floating point divide by zero */
+#define FPE_FLTOVF      4       /* floating point overflow */
+#define FPE_FLTUND      5       /* floating point underflow */
+#define FPE_FLTRES      6       /* floating point inexact result */
+#define FPE_FLTINV      7       /* floating point invalid operation */
+#define FPE_FLTSUB      8       /* subscript out of range */
+
+#define TRAP_BRKPT      1       /* process breakpoint */
+#define TRAP_TRACE      2       /* process trace trap */
+
+#ifndef __MLIBC_ABI_ONLY
+
+// functions to block / wait for signals
+int sigsuspend(const sigset_t *);
+int sigprocmask(int, const sigset_t *__restrict, sigset_t *__restrict);
+
+int pthread_sigmask(int, const sigset_t *__restrict, sigset_t *__restrict);
+int pthread_kill(pthread_t, int);
+
+// functions to handle signals
+int sigaction(int, const struct sigaction *__restrict, struct sigaction *__restrict);
+int sigpending(sigset_t *);
+
+int siginterrupt(int sig, int flag);
+
+int sigaltstack(const stack_t *__restrict ss, stack_t *__restrict oss);
+
+// functions to raise signals
+int kill(pid_t, int);
+int killpg(int, int);
+
+int sigtimedwait(const sigset_t *__restrict set, siginfo_t *__restrict info, const struct timespec *__restrict timeout);
+int sigwait(const sigset_t *__restrict set, int *__restrict sig);
+int sigwaitinfo(const sigset_t *__restrict set, siginfo_t *__restrict info);
+
+// Glibc extension
+#if __MLIBC_GLIBC_OPTION
+int sigisemptyset(const sigset_t *set);
+#endif // __MLIBC_GLIBC_OPTION
+
+int sigqueue(pid_t pid, int sig, const union sigval value);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // MLIBC_POSIX_SIGNAL_H
+
diff --git a/lib/mlibc/options/posix/include/bits/posix/posix_stdio.h b/lib/mlibc/options/posix/include/bits/posix/posix_stdio.h
new file mode 100644
index 0000000..4572a04
--- /dev/null
+++ b/lib/mlibc/options/posix/include/bits/posix/posix_stdio.h
@@ -0,0 +1,72 @@
+
+#ifndef MLIBC_POSIX_STDIO_H
+#define MLIBC_POSIX_STDIO_H
+
+#include <bits/off_t.h>
+#include <bits/size_t.h>
+#include <bits/ssize_t.h>
+
+// MISSING: var_list
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define P_tmpdir "/tmp"
+
+#ifndef __MLIBC_ABI_ONLY
+
+typedef struct __mlibc_file_base FILE;
+
+int fileno(FILE *file);
+FILE *fdopen(int fd, const char *mode);
+
+FILE *fmemopen(void *__restrict, size_t, const char *__restrict);
+int pclose(FILE *);
+FILE *popen(const char*, const char *);
+FILE *open_memstream(char **, size_t *);
+
+int fseeko(FILE *stream, off_t offset, int whence);
+off_t ftello(FILE *stream);
+
+int dprintf(int fd, const char *format, ...);
+int vdprintf(int fd, const char *format, __builtin_va_list args);
+
+char *fgetln(FILE *, size_t *);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#define RENAME_EXCHANGE (1 << 1)
+
+// GNU extensions
+typedef ssize_t (cookie_read_function_t)(void *, char *, size_t);
+typedef ssize_t (cookie_write_function_t)(void *, const char *, size_t);
+typedef int (cookie_seek_function_t)(void *, off_t *, int);
+typedef int (cookie_close_function_t)(void *);
+
+typedef struct _IO_cookie_io_functions_t {
+	cookie_read_function_t *read;
+	cookie_write_function_t *write;
+	cookie_seek_function_t *seek;
+	cookie_close_function_t *close;
+} cookie_io_functions_t;
+
+#ifndef __MLIBC_ABI_ONLY
+
+#if defined(_GNU_SOURCE)
+
+FILE *fopencookie(void *__restrict cookie, const char *__restrict mode, cookie_io_functions_t io_funcs);
+
+#endif // defined(_GNU_SOURCE)
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+// MISSING: various functions and macros
+
+#endif /* MLIBC_POSIX_STDIO_H */
+
+
diff --git a/lib/mlibc/options/posix/include/bits/posix/posix_stdlib.h b/lib/mlibc/options/posix/include/bits/posix/posix_stdlib.h
new file mode 100644
index 0000000..5248fca
--- /dev/null
+++ b/lib/mlibc/options/posix/include/bits/posix/posix_stdlib.h
@@ -0,0 +1,73 @@
+
+#ifndef MLIBC_POSIX_STDLIB_H
+#define MLIBC_POSIX_STDLIB_H
+
+#include <bits/posix/locale_t.h>
+#include <bits/size_t.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __MLIBC_ABI_ONLY
+
+long random(void);
+double drand48(void);
+void srand48(long int);
+char *initstate(unsigned int, char *, size_t);
+char *setstate(char *);
+void srandom(unsigned int);
+
+// ----------------------------------------------------------------------------
+// Environment.
+// ----------------------------------------------------------------------------
+
+int putenv(char *);
+int setenv(const char *, const char *, int);
+int unsetenv(const char *);
+
+// ----------------------------------------------------------------------------
+// Path handling.
+// ----------------------------------------------------------------------------
+
+int mkstemp(char *);
+int mkstemps(char *pattern, int suffixlen);
+int mkostemp(char *, int flags);
+int mkostemps(char *pattern, int suffixlen, int flags);
+char *mkdtemp(char *path);
+
+char *realpath(const char *__restrict, char *__restrict);
+
+// ----------------------------------------------------------------------------
+// Pseudoterminals
+// ----------------------------------------------------------------------------
+
+int posix_openpt(int flags);
+int grantpt(int fd);
+int unlockpt(int fd);
+char *ptsname(int fd);
+int ptsname_r(int fd, char *buf, size_t len);
+
+double strtod_l(const char *__restrict__ nptr, char ** __restrict__ endptr, locale_t loc);
+long double strtold_l(const char *__restrict__ nptr, char ** __restrict__ endptr, locale_t loc);
+float strtof_l(const char *__restrict string, char **__restrict end, locale_t loc);
+
+int getloadavg(double *, int);
+
+// GNU extension
+char *secure_getenv(const char *);
+char *canonicalize_file_name(const char *);
+
+// BSD extension
+void *reallocarray(void *, size_t, size_t);
+
+int clearenv(void);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // MLIBC_POSIX_STDLIB_H
+
diff --git a/lib/mlibc/options/posix/include/bits/posix/posix_string.h b/lib/mlibc/options/posix/include/bits/posix/posix_string.h
new file mode 100644
index 0000000..1f61942
--- /dev/null
+++ b/lib/mlibc/options/posix/include/bits/posix/posix_string.h
@@ -0,0 +1,57 @@
+
+#ifndef MLIBC_POSIX_STRING_H
+#define MLIBC_POSIX_STRING_H
+
+#include <alloca.h>
+#include <bits/posix/locale_t.h>
+#include <bits/size_t.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __MLIBC_ABI_ONLY
+
+char *strdup(const char *string);
+char *strndup(const char *, size_t);
+size_t strnlen(const char *, size_t);
+char *strtok_r(char *__restrict, const char *__restrict, char **__restrict);
+char *strsep(char **stringp, const char *delim);
+char *strsignal(int sig);
+char *stpcpy(char *__restrict, const char *__restrict);
+char *stpncpy(char *__restrict, const char *__restrict, size_t n);
+void *memccpy(void *__restrict dest, const void *__restrict src, int c, size_t n);
+
+int strcoll_l(const char *s1, const char *s2, locale_t locale);
+
+// GNU extensions.
+#if defined(_GNU_SOURCE)
+char *strcasestr(const char *, const char *);
+#define strdupa(x) ({ \
+	const char *str = (x); \
+	size_t len = strlen(str) + 1; \
+	char *buf = alloca(len); \
+	(char *) memcpy(buf, str, len); \
+})
+#define strndupa(x, y) ({ \
+	const char *str = (x); \
+	size_t len = strnlen(str, (y)) + 1; \
+	char *buf = alloca(len); \
+	buf[len - 1] = '\0'; \
+	(char *) memcpy(buf, str, len - 1); \
+})
+void *memrchr(const void *, int, size_t);
+#endif /* defined(_GNU_SOURCE) */
+
+// BSD extensions
+size_t strlcpy(char *d, const char *s, size_t n);
+size_t strlcat(char *d, const char *s, size_t n);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // MLIBC_POSIX_STRING_H
+
diff --git a/lib/mlibc/options/posix/include/bits/posix/posix_time.h b/lib/mlibc/options/posix/include/bits/posix/posix_time.h
new file mode 100644
index 0000000..d3e8e1d
--- /dev/null
+++ b/lib/mlibc/options/posix/include/bits/posix/posix_time.h
@@ -0,0 +1,25 @@
+#ifndef MLIBC_POSIX_TIME_H
+#define MLIBC_POSIX_TIME_H
+
+#include <bits/posix/timeval.h>
+
+#define TIMER_ABSTIME 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __MLIBC_ABI_ONLY
+
+int utimes(const char *, const struct timeval[2]);
+
+// Not standardized, Linux and BSDs have it
+int futimes(int, const struct timeval[2]);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // MLIBC_POSIX_TIME_H
diff --git a/lib/mlibc/options/posix/include/bits/posix/posix_wctype.h b/lib/mlibc/options/posix/include/bits/posix/posix_wctype.h
new file mode 100644
index 0000000..4d2887c
--- /dev/null
+++ b/lib/mlibc/options/posix/include/bits/posix/posix_wctype.h
@@ -0,0 +1,44 @@
+#ifndef _POSIX_WCTYPE_H
+#define _POSIX_WCTYPE_H
+
+#include <bits/posix/locale_t.h>
+#include <bits/wint_t.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __MLIBC_ABI_ONLY
+
+typedef unsigned long wctype_t;
+typedef unsigned long wctrans_t;
+
+int iswalnum_l(wint_t, locale_t);
+int iswblank_l(wint_t, locale_t);
+int iswcntrl_l(wint_t, locale_t);
+int iswdigit_l(wint_t, locale_t);
+int iswgraph_l(wint_t, locale_t);
+int iswlower_l(wint_t, locale_t);
+int iswprint_l(wint_t, locale_t);
+int iswpunct_l(wint_t, locale_t);
+int iswspace_l(wint_t, locale_t);
+int iswupper_l(wint_t, locale_t);
+int iswxdigit_l(wint_t, locale_t);
+int iswalpha_l(wint_t, locale_t);
+
+wctype_t wctype_l(const char *);
+int iswctype_l(wint_t, wctype_t);
+
+wint_t towlower_l(wint_t, locale_t);
+wint_t towupper_l(wint_t, locale_t);
+
+wctrans_t wctrans_l(const char *, locale_t);
+wint_t towctrans_l(wint_t, wctrans_t, locale_t);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _POSIX_WCTYPE_H
diff --git a/lib/mlibc/options/posix/include/bits/posix/pthread_t.h b/lib/mlibc/options/posix/include/bits/posix/pthread_t.h
new file mode 100644
index 0000000..1310c40
--- /dev/null
+++ b/lib/mlibc/options/posix/include/bits/posix/pthread_t.h
@@ -0,0 +1,8 @@
+#ifndef _MLIBC_BITS_PTHREAD_T_HPP
+#define _MLIBC_BITS_PTHREAD_T_HPP
+
+#include <bits/threads.h>
+
+typedef struct __mlibc_thread_data *pthread_t;
+
+#endif // _MLIBC_BITS_PTHREAD_T_HPP
diff --git a/lib/mlibc/options/posix/include/bits/posix/stat.h b/lib/mlibc/options/posix/include/bits/posix/stat.h
new file mode 100644
index 0000000..4dd081d
--- /dev/null
+++ b/lib/mlibc/options/posix/include/bits/posix/stat.h
@@ -0,0 +1,24 @@
+#ifndef MLIBC_STAT_H
+#define MLIBC_STAT_H
+
+#include <abi-bits/stat.h>
+
+// Used by utimensat and friends
+#define UTIME_NOW ((1l << 30) - 1l)
+#define UTIME_OMIT ((1l << 30) - 2l)
+
+#define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
+#define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
+#define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
+#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
+#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
+#define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
+#define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
+
+// POSIX compatibility macros
+#define st_atime st_atim.tv_sec
+#define st_mtime st_mtim.tv_sec
+#define st_ctime st_ctim.tv_sec
+
+#endif // MLIBC_STAT_H
+
diff --git a/lib/mlibc/options/posix/include/bits/posix/timer_t.h b/lib/mlibc/options/posix/include/bits/posix/timer_t.h
new file mode 100644
index 0000000..b230501
--- /dev/null
+++ b/lib/mlibc/options/posix/include/bits/posix/timer_t.h
@@ -0,0 +1,6 @@
+#ifndef _MLIBC_TIMER_T_H
+#define _MLIBC_TIMER_T_H
+
+typedef void * timer_t;
+
+#endif // _MLIBC_TIMER_T_H
diff --git a/lib/mlibc/options/posix/include/bits/posix/timeval.h b/lib/mlibc/options/posix/include/bits/posix/timeval.h
new file mode 100644
index 0000000..445ee7f
--- /dev/null
+++ b/lib/mlibc/options/posix/include/bits/posix/timeval.h
@@ -0,0 +1,12 @@
+#ifndef MLIBC_TIMEVAL_H
+#define MLIBC_TIMEVAL_H
+
+#include <bits/ansi/time_t.h>
+#include <abi-bits/suseconds_t.h>
+
+struct timeval {
+	time_t tv_sec;
+	suseconds_t tv_usec;
+};
+
+#endif // MLIBC_TIMEVAL_H