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#define setenv ______setenv 25 26#include <ast.h> 27 28#undef setenv 29#undef _lib_setenv /* procopen() calls setenv() */ 30 31#if _lib_setenv 32 33NoN(setenv) 34 35#else 36 37#undef _def_map_ast 38#include <ast_map.h> 39 40#if defined(__EXPORT__) 41#define extern __EXPORT__ 42#endif 43 44extern int 45setenv(const char* name, const char* value, int overwrite) 46{ 47 char* s; 48 49 if (overwrite || !getenv(name)) 50 { 51 if (!(s = sfprints("%s=%s", name, value)) || !(s = strdup(s))) 52 return -1; 53 return setenviron(s) ? 0 : -1; 54 } 55 return 0; 56} 57 58#endif 59