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Updated exit codes as Jon Jensen and J.W. suggested.
[rsync/rsync.git]
/
fileio.c
diff --git
a/fileio.c
b/fileio.c
index
92631bc
..
088ed63
100644
(file)
--- a/
fileio.c
+++ b/
fileio.c
@@
-69,19
+69,22
@@
static int write_sparse(int f,char *buf,size_t len)
return len;
}
return len;
}
-
-
+/*
+ * write_file does not allow incomplete writes. It loops internally
+ * until len bytes are written or errno is set.
+ */
int write_file(int f,char *buf,size_t len)
{
int ret = 0;
int write_file(int f,char *buf,size_t len)
{
int ret = 0;
- if (!sparse_files) {
- return write(f,buf,len);
- }
-
while (len>0) {
while (len>0) {
- int len1 = MIN(len, SPARSE_WRITE_SIZE);
- int r1 = write_sparse(f, buf, len1);
+ int r1;
+ if (sparse_files) {
+ int len1 = MIN(len, SPARSE_WRITE_SIZE);
+ r1 = write_sparse(f, buf, len1);
+ } else {
+ r1 = write(f, buf, len);
+ }
if (r1 <= 0) {
if (ret > 0) return ret;
return r1;
if (r1 <= 0) {
if (ret > 0) return ret;
return r1;
@@
-112,6
+115,7
@@
struct map_struct *map_file(int fd,OFF_T len)
map->p_offset = 0;
map->p_fd_offset = 0;
map->p_len = 0;
map->p_offset = 0;
map->p_fd_offset = 0;
map->p_len = 0;
+ map->status = 0;
return map;
}
return map;
}
@@
-188,7
+192,11
@@
char *map_ptr(struct map_struct *map,OFF_T offset,int len)
}
if ((nread=read(map->fd,map->p + read_offset,read_size)) != read_size) {
}
if ((nread=read(map->fd,map->p + read_offset,read_size)) != read_size) {
- if (nread < 0) nread = 0;
+ if (nread < 0) {
+ nread = 0;
+ if (!map->status)
+ map->status = errno;
+ }
/* the best we can do is zero the buffer - the file
has changed mid transfer! */
memset(map->p+read_offset+nread, 0, read_size - nread);
/* the best we can do is zero the buffer - the file
has changed mid transfer! */
memset(map->p+read_offset+nread, 0, read_size - nread);
@@
-203,13
+211,18
@@
char *map_ptr(struct map_struct *map,OFF_T offset,int len)
}
}
-
void
unmap_file(struct map_struct *map)
+
int
unmap_file(struct map_struct *map)
{
{
+ int ret;
+
if (map->p) {
free(map->p);
map->p = NULL;
}
if (map->p) {
free(map->p);
map->p = NULL;
}
+ ret = map->status;
memset(map, 0, sizeof(*map));
free(map);
memset(map, 0, sizeof(*map));
free(map);
+
+ return ret;
}
}