1*b30d1939SAndy Fiddaman /*********************************************************************** 2*b30d1939SAndy Fiddaman * * 3*b30d1939SAndy Fiddaman * This software is part of the ast package * 4*b30d1939SAndy Fiddaman * Copyright (c) 1985-2011 AT&T Intellectual Property * 5*b30d1939SAndy Fiddaman * and is licensed under the * 6*b30d1939SAndy Fiddaman * Eclipse Public License, Version 1.0 * 7*b30d1939SAndy Fiddaman * by AT&T Intellectual Property * 8*b30d1939SAndy Fiddaman * * 9*b30d1939SAndy Fiddaman * A copy of the License is available at * 10*b30d1939SAndy Fiddaman * http://www.eclipse.org/org/documents/epl-v10.html * 11*b30d1939SAndy Fiddaman * (with md5 checksum b35adb5213ca9657e911e9befb180842) * 12*b30d1939SAndy Fiddaman * * 13*b30d1939SAndy Fiddaman * Information and Software Systems Research * 14*b30d1939SAndy Fiddaman * AT&T Research * 15*b30d1939SAndy Fiddaman * Florham Park NJ * 16*b30d1939SAndy Fiddaman * * 17*b30d1939SAndy Fiddaman * Glenn Fowler <gsf@research.att.com> * 18*b30d1939SAndy Fiddaman * David Korn <dgk@research.att.com> * 19*b30d1939SAndy Fiddaman * Phong Vo <kpv@research.att.com> * 20*b30d1939SAndy Fiddaman * * 21*b30d1939SAndy Fiddaman ***********************************************************************/ 22*b30d1939SAndy Fiddaman #pragma prototyped 23*b30d1939SAndy Fiddaman 24*b30d1939SAndy Fiddaman #include <ast_lib.h> 25*b30d1939SAndy Fiddaman 26*b30d1939SAndy Fiddaman #if _lib_execvpe 27*b30d1939SAndy Fiddaman 28*b30d1939SAndy Fiddaman #include <ast.h> 29*b30d1939SAndy Fiddaman 30*b30d1939SAndy Fiddaman NoN(execvpe) 31*b30d1939SAndy Fiddaman 32*b30d1939SAndy Fiddaman #else 33*b30d1939SAndy Fiddaman 34*b30d1939SAndy Fiddaman #if defined(__EXPORT__) 35*b30d1939SAndy Fiddaman __EXPORT__ int execvpe(const char*, char* const[], char* const[]); 36*b30d1939SAndy Fiddaman #endif 37*b30d1939SAndy Fiddaman 38*b30d1939SAndy Fiddaman #include <ast.h> 39*b30d1939SAndy Fiddaman #include <errno.h> 40*b30d1939SAndy Fiddaman 41*b30d1939SAndy Fiddaman #if defined(__EXPORT__) 42*b30d1939SAndy Fiddaman #define extern __EXPORT__ 43*b30d1939SAndy Fiddaman #endif 44*b30d1939SAndy Fiddaman 45*b30d1939SAndy Fiddaman extern int 46*b30d1939SAndy Fiddaman execvpe(const char* name, char* const argv[], char* const envv[]) 47*b30d1939SAndy Fiddaman { 48*b30d1939SAndy Fiddaman register const char* path = name; 49*b30d1939SAndy Fiddaman char buffer[PATH_MAX]; 50*b30d1939SAndy Fiddaman 51*b30d1939SAndy Fiddaman if (*path != '/' && !(path = pathpath(name, NULL, PATH_REGULAR|PATH_EXECUTE, buffer, sizeof(buffer)))) 52*b30d1939SAndy Fiddaman path = name; 53*b30d1939SAndy Fiddaman execve(path, argv, envv); 54*b30d1939SAndy Fiddaman if (errno == ENOEXEC) 55*b30d1939SAndy Fiddaman { 56*b30d1939SAndy Fiddaman register char** newargv; 57*b30d1939SAndy Fiddaman register char** ov; 58*b30d1939SAndy Fiddaman register char** nv; 59*b30d1939SAndy Fiddaman 60*b30d1939SAndy Fiddaman for (ov = (char**)argv; *ov++;); 61*b30d1939SAndy Fiddaman if (newargv = newof(0, char*, ov + 1 - (char**)argv, 0)) 62*b30d1939SAndy Fiddaman { 63*b30d1939SAndy Fiddaman nv = newargv; 64*b30d1939SAndy Fiddaman *nv++ = "sh"; 65*b30d1939SAndy Fiddaman *nv++ = (char*)path; 66*b30d1939SAndy Fiddaman ov = (char**)argv; 67*b30d1939SAndy Fiddaman while (*nv++ = *++ov); 68*b30d1939SAndy Fiddaman path = pathshell(); 69*b30d1939SAndy Fiddaman execve(path, newargv, envv); 70*b30d1939SAndy Fiddaman free(newargv); 71*b30d1939SAndy Fiddaman } 72*b30d1939SAndy Fiddaman else 73*b30d1939SAndy Fiddaman errno = ENOMEM; 74*b30d1939SAndy Fiddaman } 75*b30d1939SAndy Fiddaman return -1; 76*b30d1939SAndy Fiddaman } 77*b30d1939SAndy Fiddaman 78*b30d1939SAndy Fiddaman #endif 79