1*4887Schin /*********************************************************************** 2*4887Schin * * 3*4887Schin * This software is part of the ast package * 4*4887Schin * Copyright (c) 1985-2007 AT&T Knowledge Ventures * 5*4887Schin * and is licensed under the * 6*4887Schin * Common Public License, Version 1.0 * 7*4887Schin * by AT&T Knowledge Ventures * 8*4887Schin * * 9*4887Schin * A copy of the License is available at * 10*4887Schin * http://www.opensource.org/licenses/cpl1.0.txt * 11*4887Schin * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 12*4887Schin * * 13*4887Schin * Information and Software Systems Research * 14*4887Schin * AT&T Research * 15*4887Schin * Florham Park NJ * 16*4887Schin * * 17*4887Schin * Glenn Fowler <gsf@research.att.com> * 18*4887Schin * David Korn <dgk@research.att.com> * 19*4887Schin * Phong Vo <kpv@research.att.com> * 20*4887Schin * * 21*4887Schin ***********************************************************************/ 22*4887Schin #pragma prototyped 23*4887Schin 24*4887Schin #include <ast_lib.h> 25*4887Schin 26*4887Schin #if _lib_execvpe 27*4887Schin 28*4887Schin #include <ast.h> 29*4887Schin 30*4887Schin NoN(execvpe) 31*4887Schin 32*4887Schin #else 33*4887Schin 34*4887Schin #if defined(__EXPORT__) 35*4887Schin __EXPORT__ int execvpe(const char*, char* const[], char* const[]); 36*4887Schin #endif 37*4887Schin 38*4887Schin #include <ast.h> 39*4887Schin #include <errno.h> 40*4887Schin 41*4887Schin #if defined(__EXPORT__) 42*4887Schin #define extern __EXPORT__ 43*4887Schin #endif 44*4887Schin 45*4887Schin extern int 46*4887Schin execvpe(const char* name, char* const argv[], char* const envv[]) 47*4887Schin { 48*4887Schin register const char* path = name; 49*4887Schin char buffer[PATH_MAX]; 50*4887Schin 51*4887Schin if (*path != '/' && !(path = pathpath(buffer, name, NULL, PATH_REGULAR|PATH_EXECUTE))) 52*4887Schin path = name; 53*4887Schin execve(path, argv, envv); 54*4887Schin if (errno == ENOEXEC) 55*4887Schin { 56*4887Schin register char** newargv; 57*4887Schin register char** ov; 58*4887Schin register char** nv; 59*4887Schin 60*4887Schin for (ov = (char**)argv; *ov++;); 61*4887Schin if (newargv = newof(0, char*, ov + 1 - (char**)argv, 0)) 62*4887Schin { 63*4887Schin nv = newargv; 64*4887Schin *nv++ = "sh"; 65*4887Schin *nv++ = (char*)path; 66*4887Schin ov = (char**)argv; 67*4887Schin while (*nv++ = *++ov); 68*4887Schin path = pathshell(); 69*4887Schin execve(path, newargv, envv); 70*4887Schin free(newargv); 71*4887Schin } 72*4887Schin else 73*4887Schin errno = ENOMEM; 74*4887Schin } 75*4887Schin return -1; 76*4887Schin } 77*4887Schin 78*4887Schin #endif 79