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Diffstat (limited to 'src/lib/libast/string/modex.c')
| -rw-r--r-- | src/lib/libast/string/modex.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/lib/libast/string/modex.c b/src/lib/libast/string/modex.c new file mode 100644 index 0000000..a5e501a --- /dev/null +++ b/src/lib/libast/string/modex.c @@ -0,0 +1,75 @@ +/*********************************************************************** +* * +* 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 + * + * mode_t representation support + */ + +#include "modelib.h" + +/* + * convert internal mode to external + */ + +#undef modex + +int +modex(register int i) +{ +#if _S_IDPERM && _S_IDTYPE + return(i); +#else + register int x; + register int c; + + x = 0; +#if _S_IDPERM + x |= (i & 07777); +#else + for (c = 0; c < PERMLEN; c++) + if (i & permmap[c++]) + x |= permmap[c]; +#endif +#if _S_IDTYPE + x |= (i & X_IFMT); +#else + if (S_ISREG(i)) x |= X_IFREG; + else if (S_ISDIR(i)) x |= X_IFDIR; +#ifdef S_ISLNK + else if (S_ISLNK(i)) x |= X_IFLNK; +#endif + else if (S_ISBLK(i)) x |= X_IFBLK; + else if (S_ISCHR(i)) x |= X_IFCHR; +#ifdef S_ISCTG + else if (S_ISCTG(i)) x |= X_IFCTG; +#endif + else if (S_ISFIFO(i)) x |= X_IFIFO; +#ifdef S_ISSOCK + else if (S_ISSOCK(i)) x |= X_IFSOCK; +#endif +#endif + return(x); +#endif +} |