1 /*********************************************************************** 2 * * 3 * This software is part of the ast package * 4 * Copyright (c) 1985-2008 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 65 NoN(spawnve) 66 67 #else 68 69 extern pid_t 70 spawnve(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 79 NoN(spawnvpe) 80 81 #else 82 83 extern pid_t 84 spawnvpe(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(buffer, name, NULL, PATH_REGULAR|PATH_EXECUTE); 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 121 122 NoN(spawnvp) 123 124 #else 125 126 extern pid_t 127 spawnvp(const char* name, char* const argv[]) 128 { 129 return spawnvpe(name, argv, environ); 130 } 131 132 #endif 133 134 #if _lib_spawnlp 135 136 NoN(spawnlp) 137 138 #else 139 140 extern pid_t 141 spawnlp(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