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