26b070c0cf
(_execve): Drop temporary define and drop export alias. (execl): Call spawnve. (execle): New function. (execlp): New function. (execv): Call spawnve. (execve): Drop converting NULL envp to emtpy envp. (execvp): Call spawnve. (execvpe): Drop converting NULL envp to emtpy envp. Call spawnve. (fexecve): Call spawnve. * spawn.cc (spawnve): Convert NULL envp to emtpy envp. Remove outdated comment. (spawnlp): Call spawnve. (spawnlpe): Ditto. (spawnvp): Ditto. (spawnvpe): Fix formatting.
136 lines
2.8 KiB
C++
136 lines
2.8 KiB
C++
/* exec.cc: exec system call support.
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Copyright 1996, 1997, 1998, 2000, 2001, 2002, 2009, 2011 Red Hat, Inc.
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#include "winsup.h"
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#include <process.h>
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#include "cygerrno.h"
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#include "path.h"
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#include "environ.h"
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#include "sync.h"
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#include "fhandler.h"
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#include "dtable.h"
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#include "cygheap.h"
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#include "winf.h"
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extern "C" int
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execl (const char *path, const char *arg0, ...)
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{
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int i;
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va_list args;
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const char *argv[1024];
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va_start (args, arg0);
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argv[0] = arg0;
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i = 1;
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do
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argv[i] = va_arg (args, const char *);
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while (argv[i++] != NULL);
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va_end (args);
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MALLOC_CHECK;
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return spawnve (_P_OVERLAY, path, (char * const *) argv, cur_environ ());
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}
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extern "C" int
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execle (const char *path, const char *arg0, ...)
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{
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int i;
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va_list args;
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const char *argv[1024];
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const char * const *envp;
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va_start (args, arg0);
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argv[0] = arg0;
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i = 1;
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do
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argv[i] = va_arg (args, const char *);
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while (argv[i++] != NULL);
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envp = va_arg (args, const char * const *);
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va_end (args);
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MALLOC_CHECK;
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return spawnve (_P_OVERLAY, path, (char * const *) argv, envp);
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}
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extern "C" int
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execlp (const char *file, const char *arg0, ...)
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{
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int i;
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va_list args;
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const char *argv[1024];
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path_conv buf;
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va_start (args, arg0);
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argv[0] = arg0;
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i = 1;
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do
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argv[i] = va_arg (args, const char *);
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while (argv[i++] != NULL);
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va_end (args);
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MALLOC_CHECK;
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return spawnve (_P_OVERLAY, find_exec (file, buf, "PATH=", FE_NNF) ?: "",
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(char * const *) argv, cur_environ ());
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}
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extern "C" int
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execv (const char *path, char * const *argv)
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{
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MALLOC_CHECK;
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return spawnve (_P_OVERLAY, path, argv, cur_environ ());
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}
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extern "C" int
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execve (const char *path, char *const argv[], char *const envp[])
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{
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MALLOC_CHECK;
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return spawnve (_P_OVERLAY, path, argv, envp);
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}
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extern "C" int
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execvp (const char *file, char * const *argv)
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{
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path_conv buf;
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MALLOC_CHECK;
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return spawnve (_P_OVERLAY | _P_PATH_TYPE_EXEC,
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find_exec (file, buf, "PATH=", FE_NNF) ?: "",
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argv, cur_environ ());
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}
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extern "C" int
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execvpe (const char *file, char * const *argv, char *const *envp)
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{
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path_conv buf;
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MALLOC_CHECK;
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return spawnve (_P_OVERLAY | _P_PATH_TYPE_EXEC,
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find_exec (file, buf, "PATH=", FE_NNF) ?: "",
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argv, envp);
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}
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extern "C" int
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fexecve (int fd, char * const *argv, char *const *envp)
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{
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cygheap_fdget cfd (fd);
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if (cfd < 0)
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{
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syscall_printf ("-1 = fexecve (%d, %p, %p)", fd, argv, envp);
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return -1;
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}
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MALLOC_CHECK;
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return spawnve (_P_OVERLAY, cfd->pc.get_win32 (), argv, envp);
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}
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extern "C" pid_t
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sexecve_is_bad ()
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{
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set_errno (ENOSYS);
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return 0;
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}
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