-/*
+/*
Copyright (C) Andrew Tridgell 1998
Copyright (C) 2002 by Martin Pool
-
+
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
- File IO utilities used in rsync
+ File IO utilities used in rsync
*/
#include "rsync.h"
size_t l1=0, l2=0;
int ret;
- for (l1=0;l1<len && buf[l1]==0;l1++) ;
- for (l2=0;l2<(len-l1) && buf[len-(l2+1)]==0;l2++) ;
+ for (l1 = 0; l1 < len && buf[l1] == 0; l1++) {}
+ for (l2 = 0; l2 < len-l1 && buf[len-(l2+1)] == 0; l2++) {}
last_byte = buf[len-1];
last_sparse=1;
if (l1 > 0) {
- do_lseek(f,l1,SEEK_CUR);
+ do_lseek(f,l1,SEEK_CUR);
}
- if (l1 == len)
+ if (l1 == len)
return len;
ret = write(f, buf + l1, len - (l1+l2));
if (ret == -1 || ret == 0)
return ret;
- else if (ret != (int) (len - (l1+l2)))
+ else if (ret != (int) (len - (l1+l2)))
return (l1+ret);
if (l2 > 0)
do_lseek(f,l2,SEEK_CUR);
-
+
return len;
}
{
int ret = 0;
char *bp = wf_writeBuf;
-
+
while (wf_writeBufCnt > 0) {
if ((ret = write(f, bp, wf_writeBufCnt)) < 0) {
if (errno == EINTR)
}
-
/* this provides functionality somewhat similar to mmap() but using
read(). It gives sliding window access to a file. mmap() is not
used because of the possibility of another program (such as a
struct map_struct *map_file(int fd,OFF_T len)
{
struct map_struct *map;
- map = new(struct map_struct);
- if (!map) out_of_memory("map_file");
+ if (!(map = new(struct map_struct)))
+ out_of_memory("map_file");
+
+ memset(map, 0, sizeof map[0]);
map->fd = fd;
map->file_size = len;
- map->p = NULL;
- map->p_size = 0;
- map->p_offset = 0;
- map->p_fd_offset = 0;
- map->p_len = 0;
- map->status = 0;
return map;
}
}
/* in most cases the region will already be available */
- if (offset >= map->p_offset &&
+ if (offset >= map->p_offset &&
offset+len <= map->p_offset+map->p_len) {
return (map->p + (offset - map->p_offset));
}
map->p_offset = window_start;
map->p_len = window_size;
-
- return map->p + (offset - map->p_offset);
+
+ return map->p + (offset - map->p_offset);
}
map->p = NULL;
}
ret = map->status;
- memset(map, 0, sizeof(*map));
+ memset(map, 0, sizeof map[0]);
free(map);
return ret;