spawnlp.cpp File Reference

#include <corecrt_internal.h>
#include <corecrt_internal_traits.h>
#include <stddef.h>
#include <process.h>
#include <stdarg.h>

Include dependency graph for spawnlp.cpp:

Go to the source code of this file.

Functions
template<typename Character >
static intptr_t __cdecl	common_spawnlp (bool const pass_environment, int const mode, Character const *const file_name, Character const *const arguments, va_list varargs) throw ()
intptr_t	_execlp (char const *const file_name, char const *const arguments,...)
intptr_t	_execlpe (char const *const file_name, char const *const arguments,...)
intptr_t	_spawnlp (int const mode, char const *const file_name, char const *const arguments,...)
intptr_t	_spawnlpe (int const mode, char const *const file_name, char const *const arguments,...)
intptr_t	_wexeclp (wchar_t const *const file_name, wchar_t const *const arguments,...)
intptr_t	_wexeclpe (wchar_t const *const file_name, wchar_t const *const arguments,...)
intptr_t	_wspawnlp (int const mode, wchar_t const *const file_name, wchar_t const *const arguments,...)
intptr_t	_wspawnlpe (int const mode, wchar_t const *const file_name, wchar_t const *const arguments,...)

Function Documentation

_execlp()

intptr_t _execlp	(	char const *const	file_name,
		char const *const	arguments,
			...
	)

Definition at line 55 of file spawnlp.cpp.

{
    va_list varargs;
    va_start(varargs, arguments);
    return common_spawnlp(false, _P_OVERLAY, file_name, arguments, varargs);
}

_execlpe()

intptr_t _execlpe	(	char const *const	file_name,
		char const *const	arguments,
			...
	)

Definition at line 65 of file spawnlp.cpp.

{
    va_list varargs;
    va_start(varargs, arguments);
    return common_spawnlp(true, _P_OVERLAY, file_name, arguments, varargs);
}

_spawnlp()

intptr_t _spawnlp	(	int const	mode,
		char const *const	file_name,
		char const *const	arguments,
			...
	)

Definition at line 75 of file spawnlp.cpp.

{
    va_list varargs;
    va_start(varargs, arguments);
    return common_spawnlp(false, mode, file_name, arguments, varargs);
}

_spawnlpe()

intptr_t _spawnlpe	(	int const	mode,
		char const *const	file_name,
		char const *const	arguments,
			...
	)

Definition at line 86 of file spawnlp.cpp.

{
    va_list varargs;
    va_start(varargs, arguments);
    return common_spawnlp(true, mode, file_name, arguments, varargs);
}

_wexeclp()

intptr_t _wexeclp	(	wchar_t const *const	file_name,
		wchar_t const *const	arguments,
			...
	)

Definition at line 99 of file spawnlp.cpp.

{
    va_list varargs;
    va_start(varargs, arguments);
    return common_spawnlp(false, _P_OVERLAY, file_name, arguments, varargs);
}

_wexeclpe()

intptr_t _wexeclpe	(	wchar_t const *const	file_name,
		wchar_t const *const	arguments,
			...
	)

Definition at line 109 of file spawnlp.cpp.

{
    va_list varargs;
    va_start(varargs, arguments);
    return common_spawnlp(true, _P_OVERLAY, file_name, arguments, varargs);
}

_wspawnlp()

intptr_t _wspawnlp	(	int const	mode,
		wchar_t const *const	file_name,
		wchar_t const *const	arguments,
			...
	)

Definition at line 119 of file spawnlp.cpp.

{
    va_list varargs;
    va_start(varargs, arguments);
    return common_spawnlp(false, mode, file_name, arguments, varargs);
}

_wspawnlpe()

intptr_t _wspawnlpe	(	int const	mode,
		wchar_t const *const	file_name,
		wchar_t const *const	arguments,
			...
	)

Definition at line 130 of file spawnlp.cpp.

{
    va_list varargs;
    va_start(varargs, arguments);
    return common_spawnlp(true, mode, file_name, arguments, varargs);
}

common_spawnlp()

template<typename Character >

static intptr_t __cdecl common_spawnlp ( bool const  pass_environment, int const  mode, Character const *const  file_name, Character const *const  arguments, va_list  varargs  ) throw ( )

static

Definition at line 19 of file spawnlp.cpp.

{
    typedef __crt_char_traits<Character> traits;
 
    _VALIDATE_RETURN(file_name    != nullptr, EINVAL, -1);
    _VALIDATE_RETURN(file_name[0] != '\0',    EINVAL, -1);
    _VALIDATE_RETURN(arguments    != nullptr, EINVAL, -1);
    _VALIDATE_RETURN(arguments[0] != '\0',    EINVAL, -1);
 
    Character* arguments_buffer[64];
    Character** const captured_arguments = traits::capture_argv(
        &varargs,
        arguments,
        &arguments_buffer[0],
        64);
 
    _VALIDATE_RETURN_NOEXC(captured_arguments != nullptr, ENOMEM, -1);
 
    __crt_unique_heap_ptr<Character*> const captured_arguments_cleanup(
        captured_arguments == arguments_buffer ? nullptr : captured_arguments);
 
    Character const* const* const environment = pass_environment
        ? va_arg(varargs, Character const* const*)
        : nullptr;
 
    return traits::tspawnvpe(mode, file_name, captured_arguments, environment);
}

Referenced by _execlp(), _execlpe(), _spawnlp(), _spawnlpe(), _wexeclp(), _wexeclpe(), _wspawnlp(), and _wspawnlpe().