/* * Copyright (c) 1995 - 2000 Kungliga Tekniska Högskolan * (Royal Institute of Technology, Stockholm, Sweden). * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * 3. Neither the name of the Institute nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* If this isn't defined, we get a constant for DIRSIZ */ #define DIRSIZ_MACRO #define _INCLUDE_HPUX_SOURCE #include "arla_local.h" RCSID("$arla: hpux-subr.c,v 1.28 2002/03/06 21:56:59 tol Exp $"); static long blocksize = 1024; /* XXX */ static void flushbuf (void *vargs) { struct write_dirent_args *args = (struct write_dirent_args *)vargs; struct dirent *last = (struct dirent *)args->last; unsigned inc = blocksize - (args->ptr - args->buf); last->d_reclen += inc; #if 0 last->d_off += inc; #endif if (write (args->fd, args->buf, blocksize) != blocksize) arla_warn (ADEBWARN, errno, "write"); args->ptr = args->buf; args->last = NULL; } #if 0 /* this seems wrong? */ #define DIRSIZ(dp) \ (((sizeof(struct dirent)+ (strlen((dp)->d_name)+1)) +3) & ~3) #endif static int write_dirent(VenusFid *fid, const char *name, void *arg) { struct dirent dirent, *real; struct write_dirent_args *args = (struct write_dirent_args *)arg; /* dirent.d_namlen = strlen (name);*/ dirent.d_reclen = DIRSIZ(&dirent); if (args->ptr + dirent.d_reclen > args->buf + blocksize) flushbuf (args); real = (struct dirent *)args->ptr; /* real->d_namlen = dirent.d_namlen;*/ real->d_reclen = dirent.d_reclen; real->d_ino = dentry2ino (name, fid, args->e); strlcpy (real->d_name, name, sizeof(real->d_name)); args->ptr += real->d_reclen; args->off += real->d_reclen; #if 0 real->d_off = args->off; #endif args->last = real; return 0; } int conv_dir (FCacheEntry *e, CredCacheEntry *ce, u_int tokens, fcache_cache_handle *cache_handle, char *cache_name, size_t cache_name_sz) { return conv_dir_sub (e, ce, tokens, cache_handle, cache_name, cache_name_sz, write_dirent, flushbuf, blocksize); } /* * remove `filename` from the converted directory for `e' */ int dir_remove_name (FCacheEntry *e, const char *filename, fcache_cache_handle *cache_handle, char *cache_name, size_t cache_name_sz) { int ret; int fd; fbuf fb; struct stat sb; char *buf; char *p; size_t len; struct dirent *dp; struct dirent *last_dp; fcache_extra_file_name (e, cache_name, cache_name_sz); fd = open (cache_name, O_RDWR, 0); if (fd < 0) return errno; fcache_fhget (cache_name, cache_handle); if (fstat (fd, &sb) < 0) { ret = errno; close (fd); return ret; } len = sb.st_size; ret = fbuf_create (&fb, fd, len, FBUF_READ|FBUF_WRITE|FBUF_SHARED); if (ret) { close (fd); return ret; } last_dp = NULL; ret = ENOENT; for (p = buf = fbuf_buf (&fb); p < buf + len; p += dp->d_reclen) { dp = (struct dirent *)p; if (strcmp (filename, dp->d_name) == 0) { if (last_dp != NULL) { struct dirent new_last; new_last.d_reclen = last_dp->d_reclen + dp->d_reclen; if (new_last.d_reclen >= last_dp->d_reclen) last_dp->d_reclen = new_last.d_reclen; } dp->d_ino = 0; ret = 0; break; } last_dp = dp; } fbuf_end (&fb); close (fd); return ret; }