#pragma prototyped noticed

#if defined(__STDPP__directive) && defined(__STDPP__hide)

__STDPP__directive pragma pp:hide utime utimes

#else

#define utime ______utime

#define utimes ______utimes

#endif

#include <ast.h>

#include <error.h>

#include <tm.h>

#include "FEATURE/omitted"

#undef OMITTED

#if _win32_botch

#define OMITTED 1

#include <ls.h>

#include <utime.h>

#if __CYGWIN__

#include <ast_windows.h>

#if _win32_botch_execve || _lib_spawn_mode

#define CONVERT 1

#endif

#endif

#if defined(__STDPP__directive) && defined(__STDPP__hide)

__STDPP__directive pragma pp:nohide utime utimes

#else

#undef utime

#undef utimes

#endif

#ifndef MAX_PATH

#define MAX_PATH PATH_MAX

#endif

#undef _pathconf

#undef pathconf

#undef stat

extern int _access(const char*, int);

extern unsigned int _alarm(unsigned int);

extern int _chmod(const char*, mode_t);

extern int _close(int);

extern pid_t _execve(const char*, char* const*, char* const*);

extern uid_t _getuid(void);

extern int _link(const char*, const char*);

extern int _open(const char*, int, ...);

extern long _pathconf(const char*, int);

extern ssize_t _read(int, void*, size_t);

extern int _rename(const char*, const char*);

extern pid_t _spawnve(int, const char*, char* const*, char* const*);

extern int _stat(const char*, struct stat*);

extern int _unlink(const char*);

extern int _utime(const char*, const struct utimbuf*);

extern int _utimes(const char*, const struct timeval*);

extern ssize_t _write(int, const void*, size_t);

#if defined(__EXPORT__)

#define extern __EXPORT__

#endif

#if _win32_botch_access

#define sysaccess _access

#else

#define sysaccess access

#endif

#if _win32_botch_alarm

#define sysalarm _alarm

#else

#define sysalarm alarm

#endif

#if _win32_botch_chmod

#define syschmod _chmod

#else

#define syschmod chmod

#endif

#if _win32_botch_copy

#define sysclose _close

#else

#define sysclose close

#endif

#if _win32_botch_execve || _lib_spawn_mode

#define sysexecve _execve

#else

#define sysexecve execve

#endif

#if CONVERT

#define sysgetuid _getuid

#else

#define sysgetuid getuid

#endif

#if _win32_botch_link

#define syslink _link

#else

#define syslink link

#endif

#if _win32_botch_open || _win32_botch_copy

#define sysopen _open

#else

#define sysopen open

#endif

#if _win32_botch_pathconf

#define syspathconf _pathconf

#else

#define syspathconf pathconf

#endif

#define sysread _read

#if _win32_botch_rename

#define sysrename _rename

#else

#define sysrename rename

#endif

#if _lib_spawn_mode

#define sysspawnve _spawnve

#else

#define sysspawnve spawnve

#endif

#if _win32_botch_stat

#define sysstat _stat

#else

#define sysstat stat

#endif

#if _win32_botch_truncate

#define systruncate _truncate

#else

#define systruncate truncate

#endif

#if _win32_botch_unlink

#define sysunlink _unlink

#else

#define sysunlink unlink

#endif

#if _win32_botch_utime

#define sysutime _utime

#define sysutimes _utimes

#else

#define sysutime utime

#define sysutimes utimes

#endif

#if _win32_botch_copy

#define syswrite _write

#else

#define syswrite write

#endif

static char*

suffix(register const char* path)

{

register const char* s = path + strlen(path);

register int c;

while (s > path)

if ((c = *--s) == '.')

return (char*)s + 1;

else if (c == '/' || c == '\\')

break;

return 0;

}

static int

execrate(const char* path, char* buf, int size, int physical)

{

char* s;

int n;

int oerrno;

if (suffix(path))

return 0;

oerrno = errno;

if (physical || strlen(path) >= size || !(s = pathcanon(strcpy(buf, path), size, PATH_PHYSICAL|PATH_DOTDOT|PATH_EXISTS)))

snprintf(buf, size, "%s.exe", path);

else if (!suffix(buf) && ((buf + size) - s) >= 4)

strcpy(s, ".exe");

errno = oerrno;

return 1;

}

static int

magic(const char* path, int* ux)

{

int fd;

int r;

int n;

int m;

int oerrno;

#if CONVERT

unsigned char buf[512];

#else

unsigned char buf[2];

#endif

oerrno = errno;

if ((fd = sysopen(path, O_RDONLY, 0)) >= 0)

{

#if CONVERT

if (ux)

n = sizeof(buf);

else

#endif

n = 2;

r = (m = sysread(fd, buf, n)) >= 2 && (buf[1] == 0x5a && (buf[0] == 0x4c || buf[0] == 0x4d) || ux && buf[0] == '#' && buf[1] == '!' && (*ux = 1) && !(ux = 0)) ? 0 : -1;

sysclose(fd);

if (ux)

{

if (r)

oerrno = ENOEXEC;

else if (m > 61 && (n = buf[60] | (buf[61]<<8) + 92) < (m - 1))

*ux = (buf[n] | (buf[n+1]<<8)) == 3;

else

*ux = 0;

}

}

else if (!ux)

r = -1;

else if (errno == ENOENT)

{

oerrno = errno;

r = -1;

}

else

{

r = 0;

*ux = 0;

}

errno = oerrno;

return r;

}

#if _win32_botch_access

extern int

access(const char* path, int op)

{

int r;

int oerrno;

char buf[PATH_MAX];

oerrno = errno;

if ((r = sysaccess(path, op)) && errno == ENOENT && execrate(path, buf, sizeof(buf), 0))

{

errno = oerrno;

r = sysaccess(buf, op);

}

return r;

}

#endif

#if _win32_botch_alarm

extern unsigned int

alarm(unsigned int s)

{

unsigned int n;

unsigned int r;

static unsigned int a;

n = (unsigned int)time(NiL);

if (a <= n)

r = 0;

else

r = a - n;

a = n + s - 1;

(void)sysalarm(s);

return r;

}

#endif

#if _win32_botch_chmod

extern int

chmod(const char* path, mode_t mode)

{

int r;

int oerrno;

char buf[PATH_MAX];

if ((r = syschmod(path, mode)) && errno == ENOENT && execrate(path, buf, sizeof(buf), 0))

{

errno = oerrno;

return syschmod(buf, mode);

}

if (!(r = syschmod(path, mode)) &&

(mode & (S_IXUSR|S_IXGRP|S_IXOTH)) &&

!suffix(path) &&

(strlen(path) + 4) < sizeof(buf))

{

oerrno = errno;

if (!magic(path, NiL))

{

snprintf(buf, sizeof(buf), "%s.exe", path);

sysrename(path, buf);

}

errno = oerrno;

}

return r;

}

#endif

#if _win32_botch_execve || _lib_spawn_mode

#if _lib_spawn_mode

#define execve ______execve

#define spawnve ______spawnve

#include <process.h>

#undef execve

#undef spawnve

#endif

#if CONVERT

static int convertinit;

static const char* convertvars[] = { "DOSPATHVARS", "PATH" };

static int

convert(register const char* d, const char* s)

{

register const char* t;

register const char* v;

int i;

for (i = 0; i < elementsof(convertvars); i++)

{

for (v = convertvars[i], t = s; *t && *t == *v; t++, v++);

if (*t == '=' && *v == 0)

return 0;

}

for (;;)

{

while (*d == ' ' || *d == '\t')

d++;

if (!*d)

break;

for (t = s; *t && *t == *d; d++, t++);

if (*t == '=' && (*d == ' ' || *d == '\t' || *d == 0))

return t - s + 1;

while (*d && *d != ' ' && *d != '\t')

d++;

}

return 0;

}

getuid(void)

{

register char* d;

register char* s;

register char* t;

register char** e;

int n;

int m;

if (!convertinit++ && (d = getenv(convertvars[0])))

for (e = environ; s = *e; e++)

if ((n = convert(d, s)) && (m = cygwin_win32_to_posix_path_list_buf_size(s + n)) > 0)

{

if (!(t = malloc(n + m + 1)))

break;

*e = t;

memcpy(t, s, n);

cygwin_win32_to_posix_path_list(s + n, t + n);

}

return sysgetuid();

}

#endif

#ifndef _P_OVERLAY

#define _P_OVERLAY (-1)

#endif

#define DEBUG 1

static pid_t

runve(int mode, const char* path, char* const* argv, char* const* envv)

{

register char* s;

register char** p;

register char** v;

void* m1;

void* m2;

pid_t pid;

int oerrno;

int ux;

int n;

#if defined(_P_DETACH) && defined(_P_NOWAIT)

int pgrp;

#endif

#if CONVERT

char* d;

char* t;

int m;

#endif

struct stat st;

char buf[PATH_MAX];

char tmp[PATH_MAX];

#if DEBUG

static int trace;

#endif

#if defined(_P_DETACH) && defined(_P_NOWAIT)

if (mode == _P_DETACH)

{

/*

mode = _P_NOWAIT;

pgrp = 1;

}

else

pgrp = 0;

#endif

if (!envv)

envv = (char* const*)environ;

m1 = m2 = 0;

oerrno = errno;

#if DEBUG

if (!trace)

trace = (s = getenv("_AST_exec_trace")) ? *s : 'n';

#endif

if (execrate(path, buf, sizeof(buf), 0))

{

if (!sysstat(buf, &st))

path = (const char*)buf;

else

errno = oerrno;

}

if (path != (const char*)buf && sysstat(path, &st))

return -1;

if (!S_ISREG(st.st_mode) || !(st.st_mode & (S_IXUSR|S_IXGRP|S_IXOTH)))

{

errno = EACCES;

return -1;

}

if (magic(path, &ux))

{

#if _CYGWIN_fork_works

errno = ENOEXEC;

return -1;

#else

ux = 1;

p = (char**)argv;

while (*p++);

if (!(v = (char**)malloc((p - (char**)argv + 2) * sizeof(char*))))

{

errno = EAGAIN;

return -1;

}

m1 = v;

p = v;

*p++ = (char*)path;

*p++ = (char*)path;

path = (const char*)pathshell();

if (*argv)

argv++;

while (*p++ = (char*)*argv++);

argv = (char* const*)v;

#endif

}

/*

if (p = (char**)envv)

{

n = 1;

while (s = *p++)

if (strneq(s, "PATH=", 5))

{

s += 5;

do

{

s = pathcat(s, ':', NiL, "", tmp, sizeof(tmp));

if (streq(tmp, "/usr/bin/") || streq(tmp, "/bin/"))

{

n = 0;

break;

}

} while (s);

if (n)

{

n = 0;

snprintf(tmp, sizeof(tmp), "%s:/bin", *(p - 1));

*(p - 1) = tmp;

}

break;

}

if (n)

{

n = p - (char**)envv + 1;

p = (char**)envv;

if (v = (char**)malloc(n * sizeof(char*)))

{

m2 = v;

envv = (char* const*)v;

*v++ = strcpy(tmp, "PATH=/bin");

while (*v++ = *p++);

}

}

#if CONVERT

if (!ux && (d = getenv(convertvars[0])))

for (p = (char**)envv; s = *p; p++)

if ((n = convert(d, s)) && (m = cygwin_posix_to_win32_path_list_buf_size(s + n)) > 0)

{

if (!(t = malloc(n + m + 1)))

break;

*p = t;

memcpy(t, s, n);

cygwin_posix_to_win32_path_list(s + n, t + n);

}

#endif

}

#if DEBUG

if (trace == 'a' || trace == 'e')

{

sfprintf(sfstderr, "%s %s [", mode == _P_OVERLAY ? "_execve" : "_spawnve", path);

for (n = 0; argv[n]; n++)

sfprintf(sfstderr, " '%s'", argv[n]);

if (trace == 'e')

{

sfprintf(sfstderr, " ] [");

for (n = 0; envv[n]; n++)

sfprintf(sfstderr, " '%s'", envv[n]);

}

sfprintf(sfstderr, " ]\n");

sfsync(sfstderr);

}

#endif

#if _lib_spawn_mode

if (mode != _P_OVERLAY)

{

pid = sysspawnve(mode, path, argv, envv);

#if defined(_P_DETACH) && defined(_P_NOWAIT)

if (pid > 0 && pgrp)

setpgid(pid, 0);

#endif

}

else

#endif

{

#if defined(_P_DETACH) && defined(_P_NOWAIT)

if (pgrp)

setpgid(0, 0);

#endif

pid = sysexecve(path, argv, envv);

}

if (m1)

free(m1);

if (m2)

free(m2);

return pid;

}

#if _win32_botch_execve

extern pid_t

execve(const char* path, char* const* argv, char* const* envv)

{

return runve(_P_OVERLAY, path, argv, envv);

}

#endif

#if _lib_spawn_mode

extern pid_t

spawnve(int mode, const char* path, char* const* argv, char* const* envv)

{

return runve(mode, path, argv, envv);

}

#endif

#endif

#if _win32_botch_getpagesize

extern size_t

getpagesize(void)

{

return 64 * 1024;

}

#endif

#if _win32_botch_link

extern int

link(const char* fp, const char* tp)

{

int r;

int oerrno;

char fb[PATH_MAX];

char tb[PATH_MAX];

oerrno = errno;

if ((r = syslink(fp, tp)) && errno == ENOENT && execrate(fp, fb, sizeof(fb), 1))

{

if (execrate(tp, tb, sizeof(tb), 1))

tp = tb;

errno = oerrno;

r = syslink(fb, tp);

}

return r;

}

#endif

#if _win32_botch_open || _win32_botch_copy

#if _win32_botch_copy

typedef struct Exe_test_s

{

int test;

ino_t ino;

char path[PATH_MAX];

} Exe_test_t;

static Exe_test_t* exe[16];

extern int

close(int fd)

{

int r;

int oerrno;

struct stat st;

char buf[PATH_MAX];

if (fd >= 0 && fd < elementsof(exe) && exe[fd])

{

r = exe[fd]->test;

exe[fd]->test = 0;

if (r > 0 && !fstat(fd, &st) && st.st_ino == exe[fd]->ino)

{

if (r = sysclose(fd))

return r;

oerrno = errno;

if (!stat(exe[fd]->path, &st) && st.st_ino == exe[fd]->ino)

{

snprintf(buf, sizeof(buf), "%s.exe", exe[fd]->path);

sysrename(exe[fd]->path, buf);

}

errno = oerrno;

return 0;

}

}

return sysclose(fd);

}

extern ssize_t

write(int fd, const void* buf, size_t n)

{

if (fd >= 0 && fd < elementsof(exe) && exe[fd] && exe[fd]->test < 0)

exe[fd]->test = n >= 2 && ((unsigned char*)buf)[1] == 0x5a && (((unsigned char*)buf)[0] == 0x4c || ((unsigned char*)buf)[0] == 0x4d) && !lseek(fd, (off_t)0, SEEK_CUR);

return syswrite(fd, buf, n);

}

#endif

extern int

open(const char* path, int flags, ...)

{

int fd;

int mode;

int oerrno;

char buf[PATH_MAX];

#if _win32_botch_copy

struct stat st;

#endif

va_list ap;

va_start(ap, flags);

mode = (flags & O_CREAT) ? va_arg(ap, int) : 0;

oerrno = errno;

fd = sysopen(path, flags, mode);

#if _win32_botch_open

if (fd < 0 && errno == ENOENT && execrate(path, buf, sizeof(buf), 0))

{

errno = oerrno;

fd = sysopen(buf, flags, mode);

}

#endif

#if _win32_botch_copy

if (fd >= 0 && fd < elementsof(exe) && strlen(path) < PATH_MAX &&

(flags & (O_CREAT|O_TRUNC)) == (O_CREAT|O_TRUNC) && (mode & 0111))

{

if (!suffix(path) && !fstat(fd, &st) && (exe[fd] || (exe[fd] = (Exe_test_t*)malloc(sizeof(Exe_test_t)))))

{

exe[fd]->test = -1;

exe[fd]->ino = st.st_ino;

strcpy(exe[fd]->path, path);

}

errno = oerrno;

}

#endif

va_end(ap);

return fd;

}

#endif

#if _win32_botch_pathconf

extern long

pathconf(const char* path, int op)

{

if (sysaccess(path, F_OK))

return -1;

return syspathconf(path, op);

}

#endif

#if _win32_botch_rename

extern int

rename(const char* fp, const char* tp)

{

int r;

int oerrno;

char fb[PATH_MAX];

char tb[PATH_MAX];

oerrno = errno;

if ((r = sysrename(fp, tp)) && errno == ENOENT && execrate(fp, fb, sizeof(fb), 1))

{

if (execrate(tp, tb, sizeof(tb), 1))

tp = tb;

errno = oerrno;

r = sysrename(fb, tp);

}

return r;

}

#endif

#if _win32_botch_stat

extern int

stat(const char* path, struct stat* st)

{

int r;

int oerrno;

char buf[PATH_MAX];

oerrno = errno;

if ((r = sysstat(path, st)) && errno == ENOENT && execrate(path, buf, sizeof(buf), 0))

{

errno = oerrno;

r = sysstat(buf, st);

}

return r;

}

#endif

#if _win32_botch_truncate

extern int

truncate(const char* path, off_t offset)

{

int r;

int oerrno;

char buf[PATH_MAX];

oerrno = errno;

if ((r = systruncate(path, offset)) && errno == ENOENT && execrate(path, buf, sizeof(buf), 0))

{

errno = oerrno;

r = systruncate(buf, offset);

}

return r;

}

#endif

#if _win32_botch_unlink

extern int

unlink(const char* path)

{

int r;

int drive;

int mask;

int suffix;

int stop;

int oerrno;

unsigned long base;

char buf[PATH_MAX];

char tmp[MAX_PATH];

#define DELETED_DIR_1 7

#define DELETED_DIR_2 16

static char deleted[] = "%c:\\temp\\.deleted\\%08x.%03x";

static int count = 0;

#if __CYGWIN__

DWORD fattr = FILE_ATTRIBUTE_NORMAL|FILE_FLAG_DELETE_ON_CLOSE;

DWORD share = FILE_SHARE_DELETE;

HANDLE hp;

struct stat st;

char nat[MAX_PATH];

oerrno = errno;

if (lstat(path, &st) || !S_ISREG(st.st_mode))

goto try_unlink;

cygwin_conv_to_full_win32_path(path, nat);

if (!strncasecmp(nat + 1, ":\\temp\\", 7))

goto try_unlink;

drive = nat[0];

path = (const char*)nat;

for (;;)

{

hp = CreateFile(path, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL|FILE_FLAG_DELETE_ON_CLOSE, NULL);

if (hp != INVALID_HANDLE_VALUE)

{

CloseHandle(hp);

errno = oerrno;

return 0;

}

if (GetLastError() != ERROR_FILE_NOT_FOUND)

break;

if (path == (const char*)buf || !execrate(path, buf, sizeof(buf), 1))

{

errno = ENOENT;

return -1;

}

path = (const char*)buf;

}

#else

if (sysaccess(path, 0))

#if _win32_botch_access

{

if (errno != ENOENT || !execrate(path, buf, sizeof(buf), 1) || sysaccess(buf, 0))

return -1;

path = (const char*)buf;

}

#else

return -1;

#endif

drive = 'C':

#endif

/*

base = ((getuid() & 0xffff) << 16) | (time(NiL) & 0xffff);

suffix = (getpid() & 0xfff) + count++;

snprintf(tmp, sizeof(tmp), deleted, drive, base, suffix);

if (!sysrename(path, tmp))

{

path = (const char*)tmp;

goto try_delete;

}

if (errno != ENOTDIR && errno != ENOENT)

goto try_unlink;

tmp[DELETED_DIR_2] = 0;

if (sysaccess(tmp, 0))

{

mask = umask(0);

tmp[DELETED_DIR_1] = 0;

if (sysaccess(tmp, 0) && mkdir(tmp, S_IRWXU|S_IRWXG|S_IRWXO))

{

umask(mask);

goto try_unlink;

}

tmp[DELETED_DIR_1] = '\\';

r = mkdir(tmp, S_IRWXU|S_IRWXG|S_IRWXO);

umask(mask);

if (r)

goto try_unlink;

errno = 0;

}

tmp[DELETED_DIR_2] = '\\';

if (!errno && !sysrename(path, tmp))

{

path = (const char*)tmp;

goto try_delete;

}

#if !__CYGWIN__

if (errno == ENOENT)

{

#if !_win32_botch_access

if (execrate(path, buf, sizeof(buf), 1) && !sysrename(buf, tmp))

path = (const char*)tmp;

#endif

goto try_unlink;

}

#endif

stop = suffix;

do

{

snprintf(tmp, sizeof(tmp), deleted, drive, base, suffix);

if (!sysrename(path, tmp))

{

path = (const char*)tmp;

goto try_delete;

}

if (++suffix > 0xfff)

suffix = 0;

} while (suffix != stop);

try_delete:

#if __CYGWIN__

hp = CreateFile(path, GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL|FILE_FLAG_DELETE_ON_CLOSE, NULL);

if (hp != INVALID_HANDLE_VALUE)

{

CloseHandle(hp);

errno = oerrno;

return 0;

}

#endif

try_unlink:

errno = oerrno;

return sysunlink(path);

}

#endif

#if _win32_botch_utime

#if __CYGWIN__

static void

ctime_now(const char* path)

{

HANDLE hp;

SYSTEMTIME st;

FILETIME ct;

WIN32_FIND_DATA ff;

struct stat fs;

int oerrno;

char tmp[MAX_PATH];

if (sysstat(path, &fs) || (fs.st_mode & S_IWUSR) || syschmod(path, (fs.st_mode | S_IWUSR) & S_IPERM))

fs.st_mode = 0;

cygwin_conv_to_win32_path(path, tmp);

hp = CreateFile(tmp, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);

if (hp && hp != INVALID_HANDLE_VALUE)

{

GetSystemTime(&st);

SystemTimeToFileTime(&st, &ct);

SetFileTime(hp, &ct, 0, 0);

CloseHandle(hp);

}

if (fs.st_mode)

syschmod(path, fs.st_mode & S_IPERM);

errno = oerrno;

}

#else

#define ctime_now(p)

#endif

extern int

utimes(const char* path, const struct timeval* ut)

{

int r;

int oerrno;

char buf[PATH_MAX];

oerrno = errno;

if ((r = sysutimes(path, ut)) && errno == ENOENT && execrate(path, buf, sizeof(buf), 0))

{

errno = oerrno;

r = sysutimes(path = buf, ut);

}

if (!r)

ctime_now(path);

return r;

}

extern int

utime(const char* path, const struct utimbuf* ut)

{

int r;

int oerrno;

char buf[PATH_MAX];

oerrno = errno;

if ((r = sysutime(path, ut)) && errno == ENOENT && execrate(path, buf, sizeof(buf), 0))

{

errno = oerrno;

r = sysutime(path = buf, ut);

}

if (!r)

ctime_now(path);

return r;

}

#endif

#endif

#if !_lib_bzero || defined(bzero)

#undef bzero

bzero(void* b, size_t n)

{

memset(b, 0, n);

}

#endif

#if !_lib_getpagesize || defined(getpagesize)

#ifndef OMITTED

#define OMITTED 1

#endif

#undef getpagesize

#ifdef _SC_PAGESIZE

#undef _AST_PAGESIZE

#define _AST_PAGESIZE (int)sysconf(_SC_PAGESIZE)

#else

#ifndef _AST_PAGESIZE

#define _AST_PAGESIZE 4096

#endif

#endif

getpagesize()

{

return _AST_PAGESIZE;

}

#endif

#if __CYGWIN__ && defined(__IMPORT__) && defined(__EXPORT__)

#ifndef OMITTED

#define OMITTED 1

#endif

#ifndef strtod

__EXPORT__ double (*_imp__strtod)(const char*, char**) = strtod;

#endif

#endif

#ifndef OMITTED

NoN(omitted)

#endif