1/*********************************************************************** 2* * 3* This software is part of the ast package * 4* Copyright (c) 1985-2011 AT&T Intellectual Property * 5* and is licensed under the * 6* Common Public License, Version 1.0 * 7* by AT&T Intellectual Property * 8* * 9* A copy of the License is available at * 10* http://www.opensource.org/licenses/cpl1.0.txt * 11* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 12* * 13* Information and Software Systems Research * 14* AT&T Research * 15* Florham Park NJ * 16* * 17* Glenn Fowler <gsf@research.att.com> * 18* David Korn <dgk@research.att.com> * 19* Phong Vo <kpv@research.att.com> * 20* * 21***********************************************************************/ 22#pragma prototyped 23 24/* 25 * OBSOLETE 20030321 -- use spawnveg() 26 */ 27 28#include <ast_lib.h> 29 30#if !_lib_spawnve 31#define spawnve ______spawnve 32#endif 33#if !_lib_spawnvpe 34#define spawnvpe ______spawnvpe 35#endif 36#if !_lib_spawnvp 37#define spawnvp ______spawnvp 38#endif 39#if !_lib_spawnlp 40#define spawnlp ______spawnlp 41#endif 42 43#include <ast.h> 44#include <error.h> 45 46#if !_lib_spawnve 47#undef spawnve 48#endif 49#if !_lib_spawnvpe 50#undef spawnvpe 51#endif 52#if !_lib_spawnvp 53#undef spawnvp 54#endif 55#if !_lib_spawnlp 56#undef spawnlp 57#endif 58 59#if defined(__EXPORT__) 60#define extern __EXPORT__ 61#endif 62 63#if _lib_spawnve 64 65NoN(spawnve) 66 67#else 68 69extern pid_t 70spawnve(const char* cmd, char* const argv[], char* const envv[]) 71{ 72 return spawnveg(cmd, argv, envv, 0); 73} 74 75#endif 76 77#if _lib_spawnvpe 78 79NoN(spawnvpe) 80 81#else 82 83extern pid_t 84spawnvpe(const char* name, char* const argv[], char* const envv[]) 85{ 86 register const char* path = name; 87 pid_t pid; 88 char buffer[PATH_MAX]; 89 90 if (*path != '/') 91 path = pathpath(name, NULL, PATH_REGULAR|PATH_EXECUTE, buffer, sizeof(buffer)); 92 if ((pid = spawnve(path, argv, envv)) >= 0) 93 return pid; 94 if (errno == ENOEXEC) 95 { 96 register char** newargv; 97 register char** ov; 98 register char** nv; 99 100 for (ov = (char**)argv; *ov++;); 101 if (newargv = newof(0, char*, ov + 1 - (char**)argv, 0)) 102 { 103 nv = newargv; 104 *nv++ = "sh"; 105 *nv++ = (char*)path; 106 ov = (char**)argv; 107 while (*nv++ = *++ov); 108 path = pathshell(); 109 pid = spawnve(path, newargv, environ); 110 free(newargv); 111 } 112 else 113 errno = ENOMEM; 114 } 115 return pid; 116} 117 118#endif 119 120#if _lib_spawnvp 121 122NoN(spawnvp) 123 124#else 125 126extern pid_t 127spawnvp(const char* name, char* const argv[]) 128{ 129 return spawnvpe(name, argv, environ); 130} 131 132#endif 133 134#if _lib_spawnlp 135 136NoN(spawnlp) 137 138#else 139 140extern pid_t 141spawnlp(const char* name, const char* arg, ...) 142{ 143 va_list ap; 144 pid_t pid; 145 146 va_start(ap, arg); 147 pid = spawnvp(name, (char* const*)&arg); 148 va_end(ap); 149 return pid; 150} 151 152#endif 153