mirror of
git://git.code.sf.net/p/cdesktopenv/code
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153 lines
3.4 KiB
C
153 lines
3.4 KiB
C
/***********************************************************************
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* *
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* This software is part of the ast package *
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* Copyright (c) 1985-2011 AT&T Intellectual Property *
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* and is licensed under the *
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* Eclipse Public License, Version 1.0 *
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* by AT&T Intellectual Property *
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* *
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* A copy of the License is available at *
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* http://www.eclipse.org/org/documents/epl-v10.html *
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* (with md5 checksum b35adb5213ca9657e911e9befb180842) *
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* *
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* Information and Software Systems Research *
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* AT&T Research *
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* Florham Park NJ *
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* *
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* Glenn Fowler <gsf@research.att.com> *
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* David Korn <dgk@research.att.com> *
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* Phong Vo <kpv@research.att.com> *
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* *
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***********************************************************************/
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#pragma prototyped
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/*
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* OBSOLETE 20030321 -- use spawnveg()
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*/
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#include <ast_lib.h>
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#if !_lib_spawnve
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#define spawnve ______spawnve
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#endif
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#if !_lib_spawnvpe
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#define spawnvpe ______spawnvpe
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#endif
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#if !_lib_spawnvp
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#define spawnvp ______spawnvp
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#endif
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#if !_lib_spawnlp
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#define spawnlp ______spawnlp
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#endif
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#include <ast.h>
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#include <error.h>
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#if !_lib_spawnve
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#undef spawnve
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#endif
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#if !_lib_spawnvpe
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#undef spawnvpe
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#endif
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#if !_lib_spawnvp
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#undef spawnvp
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#endif
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#if !_lib_spawnlp
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#undef spawnlp
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#endif
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#if defined(__EXPORT__)
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#define extern __EXPORT__
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#endif
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#if _lib_spawnve
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NoN(spawnve)
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#else
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extern pid_t
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spawnve(const char* cmd, char* const argv[], char* const envv[])
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{
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return spawnveg(cmd, argv, envv, 0);
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}
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#endif
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#if _lib_spawnvpe
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NoN(spawnvpe)
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#else
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extern pid_t
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spawnvpe(const char* name, char* const argv[], char* const envv[])
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{
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register const char* path = name;
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pid_t pid;
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char buffer[PATH_MAX];
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if (*path != '/')
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path = pathpath(name, NULL, PATH_REGULAR|PATH_EXECUTE, buffer, sizeof(buffer));
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if ((pid = spawnve(path, argv, envv)) >= 0)
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return pid;
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if (errno == ENOEXEC)
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{
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register char** newargv;
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register char** ov;
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register char** nv;
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for (ov = (char**)argv; *ov++;);
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if (newargv = newof(0, char*, ov + 1 - (char**)argv, 0))
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{
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nv = newargv;
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*nv++ = "sh";
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*nv++ = (char*)path;
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ov = (char**)argv;
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while (*nv++ = *++ov);
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path = pathshell();
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pid = spawnve(path, newargv, environ);
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free(newargv);
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}
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else
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errno = ENOMEM;
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}
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return pid;
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}
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#endif
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#if _lib_spawnvp
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NoN(spawnvp)
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#else
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extern pid_t
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spawnvp(const char* name, char* const argv[])
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{
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return spawnvpe(name, argv, environ);
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}
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#endif
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#if _lib_spawnlp
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NoN(spawnlp)
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#else
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extern pid_t
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spawnlp(const char* name, const char* arg, ...)
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{
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va_list ap;
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pid_t pid;
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va_start(ap, arg);
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pid = spawnvp(name, (char* const*)&arg);
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va_end(ap);
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return pid;
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}
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#endif
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