From 3950ffe2a485479f6561c27364d3d7df5a21d124 Mon Sep 17 00:00:00 2001 From: Igor Pashev Date: Sun, 24 Jun 2012 22:28:35 +0000 Subject: Imported Upstream version 93u+ --- src/lib/libast/comp/resolvepath.c | 72 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 src/lib/libast/comp/resolvepath.c (limited to 'src/lib/libast/comp/resolvepath.c') diff --git a/src/lib/libast/comp/resolvepath.c b/src/lib/libast/comp/resolvepath.c new file mode 100644 index 0000000..a5cc4c9 --- /dev/null +++ b/src/lib/libast/comp/resolvepath.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 * +* David Korn * +* Phong Vo * +* * +***********************************************************************/ +#pragma prototyped +/* + * resolvepath implementation + */ + +#define resolvepath ______resolvepath + +#include +#include + +#undef resolvepath + +#undef _def_map_ast +#include +#undef _AST_API_H +#include + +#if defined(__EXPORT__) +#define extern __EXPORT__ +#endif + +extern int +resolvepath(const char* file, char* path, size_t size) +{ + register char* s; + register int n; + register int r; + + r = *file != '/'; + n = strlen(file) + r + 1; + if (n >= size) + { +#ifdef ENAMETOOLONG + errno = ENAMETOOLONG; +#else + errno = ENOMEM; +#endif + return 0; + } + if (!r) + s = path; + else if (!getcwd(path, size - n)) + return 0; + else + { + s = path + strlen(path); + *s++ = '/'; + } + strlcpy(s, file, size - (s - path)); + return (s = pathcanon(path, size, PATH_PHYSICAL|PATH_DOTDOT|PATH_EXISTS)) ? (s - path) : -1; +} -- cgit v1.2.3