1da2e3ebdSchin /*********************************************************************** 2da2e3ebdSchin * * 3da2e3ebdSchin * This software is part of the ast package * 4*b30d1939SAndy Fiddaman * Copyright (c) 1985-2011 AT&T Intellectual Property * 5da2e3ebdSchin * and is licensed under the * 6*b30d1939SAndy Fiddaman * Eclipse Public License, Version 1.0 * 77c2fbfb3SApril Chin * by AT&T Intellectual Property * 8da2e3ebdSchin * * 9da2e3ebdSchin * 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) * 12da2e3ebdSchin * * 13da2e3ebdSchin * Information and Software Systems Research * 14da2e3ebdSchin * AT&T Research * 15da2e3ebdSchin * Florham Park NJ * 16da2e3ebdSchin * * 17da2e3ebdSchin * Glenn Fowler <gsf@research.att.com> * 18da2e3ebdSchin * David Korn <dgk@research.att.com> * 19da2e3ebdSchin * Phong Vo <kpv@research.att.com> * 20da2e3ebdSchin * * 21da2e3ebdSchin ***********************************************************************/ 22da2e3ebdSchin #pragma prototyped 23da2e3ebdSchin 24da2e3ebdSchin #include <ast_lib.h> 25da2e3ebdSchin 26da2e3ebdSchin #if _lib_execvpe 27da2e3ebdSchin 28da2e3ebdSchin #include <ast.h> 29da2e3ebdSchin 30da2e3ebdSchin NoN(execvpe) 31da2e3ebdSchin 32da2e3ebdSchin #else 33da2e3ebdSchin 34da2e3ebdSchin #if defined(__EXPORT__) 35da2e3ebdSchin __EXPORT__ int execvpe(const char*, char* const[], char* const[]); 36da2e3ebdSchin #endif 37da2e3ebdSchin 38da2e3ebdSchin #include <ast.h> 39da2e3ebdSchin #include <errno.h> 40da2e3ebdSchin 41da2e3ebdSchin #if defined(__EXPORT__) 42da2e3ebdSchin #define extern __EXPORT__ 43da2e3ebdSchin #endif 44da2e3ebdSchin 45da2e3ebdSchin extern int 46da2e3ebdSchin execvpe(const char* name, char* const argv[], char* const envv[]) 47da2e3ebdSchin { 48da2e3ebdSchin register const char* path = name; 49da2e3ebdSchin char buffer[PATH_MAX]; 50da2e3ebdSchin 51*b30d1939SAndy Fiddaman if (*path != '/' && !(path = pathpath(name, NULL, PATH_REGULAR|PATH_EXECUTE, buffer, sizeof(buffer)))) 52da2e3ebdSchin path = name; 53da2e3ebdSchin execve(path, argv, envv); 54da2e3ebdSchin if (errno == ENOEXEC) 55da2e3ebdSchin { 56da2e3ebdSchin register char** newargv; 57da2e3ebdSchin register char** ov; 58da2e3ebdSchin register char** nv; 59da2e3ebdSchin 60da2e3ebdSchin for (ov = (char**)argv; *ov++;); 61da2e3ebdSchin if (newargv = newof(0, char*, ov + 1 - (char**)argv, 0)) 62da2e3ebdSchin { 63da2e3ebdSchin nv = newargv; 64da2e3ebdSchin *nv++ = "sh"; 65da2e3ebdSchin *nv++ = (char*)path; 66da2e3ebdSchin ov = (char**)argv; 67da2e3ebdSchin while (*nv++ = *++ov); 68da2e3ebdSchin path = pathshell(); 69da2e3ebdSchin execve(path, newargv, envv); 70da2e3ebdSchin free(newargv); 71da2e3ebdSchin } 72da2e3ebdSchin else 73da2e3ebdSchin errno = ENOMEM; 74da2e3ebdSchin } 75da2e3ebdSchin return -1; 76da2e3ebdSchin } 77da2e3ebdSchin 78da2e3ebdSchin #endif 79