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Diffstat (limited to 'src/lib/libast/path/pathsetlink.c')
| -rw-r--r-- | src/lib/libast/path/pathsetlink.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/lib/libast/path/pathsetlink.c b/src/lib/libast/path/pathsetlink.c new file mode 100644 index 0000000..48aa4fe --- /dev/null +++ b/src/lib/libast/path/pathsetlink.c @@ -0,0 +1,72 @@ +/*********************************************************************** +* * +* This software is part of the ast package * +* Copyright (c) 1985-2011 AT&T Intellectual Property * +* and is licensed under the * +* Eclipse Public License, Version 1.0 * +* by AT&T Intellectual Property * +* * +* A copy of the License is available at * +* http://www.eclipse.org/org/documents/epl-v10.html * +* (with md5 checksum b35adb5213ca9657e911e9befb180842) * +* * +* Information and Software Systems Research * +* AT&T Research * +* Florham Park NJ * +* * +* Glenn Fowler <gsf@research.att.com> * +* David Korn <dgk@research.att.com> * +* Phong Vo <kpv@research.att.com> * +* * +***********************************************************************/ +#pragma prototyped +/* +* Glenn Fowler +* AT&T Bell Laboratories +*/ + +#include "univlib.h" + +/* + * create symbolic name from external representation text in buf + * the arg order matches link(2) + */ + +int +pathsetlink(const char* buf, const char* name) +{ + register char* t = (char*)buf; +#ifdef UNIV_MAX + register char* s = (char*)buf; + register char* v; + int n; + char tmp[PATH_MAX]; + + while (*s) + { + if (*s++ == univ_cond[0] && !strncmp(s - 1, univ_cond, univ_size)) + { + s--; + t = tmp; + for (n = 0; n < UNIV_MAX; n++) + if (*univ_name[n]) + { + *t++ = ' '; +#ifdef ATT_UNIV + *t++ = '1' + n; + *t++ = ':'; +#else + for (v = univ_name[n]; *t = *v++; t++); + *t++ = '%'; +#endif + for (v = (char*)buf; v < s; *t++ = *v++); + for (v = univ_name[n]; *t = *v++; t++); + for (v = s + univ_size; *t = *v++; t++); + } + t = tmp; + break; + } + } +#endif + return(symlink(t, name)); +} |