/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012.
This file is part of the Sortix C Library.
The Sortix C Library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or (at your
option) any later version.
The Sortix C Library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with the Sortix C Library. If not, see .
vexecle.cpp
Loads a process image.
*******************************************************************************/
#include
#include
#include
extern "C" int vexecle(const char* pathname, va_list args)
{
va_list iter;
va_copy(iter, args);
size_t numargs = 0;
while ( va_arg(iter, const char*) ) { numargs++; }
va_end(iter);
char** argv = (char**) malloc(sizeof(char*) * (numargs+1));
if ( !argv ) { return -1; }
for ( size_t i = 0; i < numargs; i++ )
{
argv[i] = (char*) va_arg(args, const char*);
}
argv[numargs] = (char*) va_arg(args, char* const*) /* NULL */;
char* const* envp = va_arg(args, char* const*);
int result = execve(pathname, argv, envp);
free(argv);
return result;
}