/*** *execvp.c - execute a file and search along PATH * * Copyright (c) 1985-1997, Microsoft Corporation. All rights reserved. * *Purpose: * defines _execvp() - execute a file and search along PATH * *******************************************************************************/ #include #include #include #include /*** *int _execvp(filename, argvector) - execute file; search along PATH * *Purpose: * Execute the given file with given path and current environ. * try to execute the file. start with the name itself (directory '.'), * and if that doesn't work start prepending pathnames from the * environment until one works or we run out. if the file is a pathname, * don't go to the environment to get alternate paths. if errno comes * back ENOEXEC, try it as a shell command file with up to MAXARGS-2 * arguments from the original vector. if a needed text file is busy, * wait a little while and try again before despairing completely * Actually calls _execvpe() to do all the work. * *Entry: * _TSCHAR *filename - file to execute * _TSCHAR **argvector - vector of arguments * *Exit: * destroys the calling process (hopefully) * if fails, returns -1 * *Exceptions: * *******************************************************************************/ int __cdecl _texecvp ( REG3 const _TSCHAR *filename, const _TSCHAR * const *argvector ) { return _texecvpe( filename, argvector, NULL ); }