diff options
Diffstat (limited to 'config/pathsub.c')
| -rw-r--r-- | config/pathsub.c | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/config/pathsub.c b/config/pathsub.c deleted file mode 100644 index eab73a46..00000000 --- a/config/pathsub.c +++ /dev/null @@ -1,219 +0,0 @@ -/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ -/* - * The contents of this file are subject to the Netscape Public License - * Version 1.0 (the "NPL"); you may not use this file except in - * compliance with the NPL. You may obtain a copy of the NPL at - * http://www.mozilla.org/NPL/ - * - * Software distributed under the NPL is distributed on an "AS IS" basis, - * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL - * for the specific language governing rights and limitations under the - * NPL. - * - * The Initial Developer of this code under the NPL is Netscape - * Communications Corporation. Portions created by Netscape are - * Copyright (C) 1998 Netscape Communications Corporation. All Rights - * Reserved. - */ - -/* -** 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 /* USE_REENTRANT_LIBC */ - -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 UNIXWARE -/* Sigh. The static buffer in Unixware's readdir is too small. */ -struct dirent * readdir(DIR *d) -{ - static struct dirent *buf = NULL; -#define MAX_PATH_LEN 1024 - - - if(buf == NULL) - buf = (struct dirent *) malloc(sizeof(struct dirent) + MAX_PATH_LEN) -; - 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((char*)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); -} |