/js/lib/Socket.IO-node/support/expresso/deps/jscoverage/js/config/pathsub.c
http://github.com/onedayitwillmake/RealtimeMultiplayerNodeJs · C · 247 lines · 179 code · 23 blank · 45 comment · 51 complexity · 3d813c60ea26de7e4e6a097321b1ab6f MD5 · raw file
- /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is mozilla.org code.
- *
- * The Initial Developer of the Original Code is
- * Netscape Communications Corporation.
- * Portions created by the Initial Developer are Copyright (C) 1998
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either of the GNU General Public License Version 2 or later (the "GPL"),
- * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
- /*
- ** Pathname subroutines.
- **
- ** Brendan Eich, 8/29/95
- */
- #include <assert.h>
- #include <sys/types.h>
- #include <dirent.h>
- #include <errno.h>
- #include <stdarg.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <unistd.h>
- #include <sys/stat.h>
- #include "pathsub.h"
- #ifdef USE_REENTRANT_LIBC
- #include <libc_r.h>
- #endif
- #ifdef SUNOS4
- #include "sunos4.h"
- #endif
- #ifndef D_INO
- #define D_INO d_ino
- #endif
- char *program;
- void
- fail(char *format, ...)
- {
- int error;
- va_list ap;
- #ifdef USE_REENTRANT_LIBC
- R_STRERROR_INIT_R();
- #endif
- error = errno;
- fprintf(stderr, "%s: ", program);
- va_start(ap, format);
- vfprintf(stderr, format, ap);
- va_end(ap);
- if (error) {
- #ifdef USE_REENTRANT_LIBC
- R_STRERROR_R(errno);
- fprintf(stderr, ": %s", r_strerror_r);
- #else
- fprintf(stderr, ": %s", strerror(errno));
- #endif
- }
- putc('\n', stderr);
- exit(1);
- }
- char *
- getcomponent(char *path, char *name)
- {
- if (*path == '\0')
- return 0;
- if (*path == '/') {
- *name++ = '/';
- } else {
- do {
- *name++ = *path++;
- } while (*path != '/' && *path != '\0');
- }
- *name = '\0';
- while (*path == '/')
- path++;
- return path;
- }
- #ifdef LAME_READDIR
- #include <sys/param.h>
- /*
- ** The static buffer in Unixware's readdir is too small.
- */
- struct dirent *readdir(DIR *d)
- {
- static struct dirent *buf = NULL;
- if(buf == NULL)
- buf = (struct dirent *) malloc(sizeof(struct dirent) + MAXPATHLEN);
- return(readdir_r(d, buf));
- }
- #endif
- char *
- ino2name(ino_t ino, char *dir)
- {
- DIR *dp;
- struct dirent *ep;
- char *name;
- dp = opendir("..");
- if (!dp)
- fail("cannot read parent directory");
- for (;;) {
- if (!(ep = readdir(dp)))
- fail("cannot find current directory");
- if (ep->D_INO == ino)
- break;
- }
- name = xstrdup(ep->d_name);
- closedir(dp);
- return name;
- }
- void *
- xmalloc(size_t size)
- {
- void *p = malloc(size);
- if (!p)
- fail("cannot allocate %u bytes", size);
- return p;
- }
- char *
- xstrdup(char *s)
- {
- return strcpy(xmalloc(strlen(s) + 1), s);
- }
- char *
- xbasename(char *path)
- {
- char *cp;
- while ((cp = strrchr(path, '/')) && cp[1] == '\0')
- *cp = '\0';
- if (!cp) return path;
- return cp + 1;
- }
- void
- xchdir(char *dir)
- {
- if (chdir(dir) < 0)
- fail("cannot change directory to %s", dir);
- }
- int
- relatepaths(char *from, char *to, char *outpath)
- {
- char *cp, *cp2;
- int len;
- char buf[NAME_MAX];
- assert(*from == '/' && *to == '/');
- for (cp = to, cp2 = from; *cp == *cp2; cp++, cp2++)
- if (*cp == '\0')
- break;
- while (cp[-1] != '/')
- cp--, cp2--;
- if (cp - 1 == to) {
- /* closest common ancestor is /, so use full pathname */
- len = strlen(strcpy(outpath, to));
- if (outpath[len] != '/') {
- outpath[len++] = '/';
- outpath[len] = '\0';
- }
- } else {
- len = 0;
- while ((cp2 = getcomponent(cp2, buf)) != 0) {
- strcpy(outpath + len, "../");
- len += 3;
- }
- while ((cp = getcomponent(cp, buf)) != 0) {
- sprintf(outpath + len, "%s/", buf);
- len += strlen(outpath + len);
- }
- }
- return len;
- }
- void
- reversepath(char *inpath, char *name, int len, char *outpath)
- {
- char *cp, *cp2;
- char buf[NAME_MAX];
- struct stat sb;
- cp = strcpy(outpath + PATH_MAX - (len + 1), name);
- cp2 = inpath;
- while ((cp2 = getcomponent(cp2, buf)) != 0) {
- if (strcmp(buf, ".") == 0)
- continue;
- if (strcmp(buf, "..") == 0) {
- if (stat(".", &sb) < 0)
- fail("cannot stat current directory");
- name = ino2name(sb.st_ino, "..");
- len = strlen(name);
- cp -= len + 1;
- strcpy(cp, name);
- cp[len] = '/';
- free(name);
- xchdir("..");
- } else {
- cp -= 3;
- strncpy(cp, "../", 3);
- xchdir(buf);
- }
- }
- strcpy(outpath, cp);
- }