empire/empserver
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Make xundump reject out-of-order rows

Browse source 
This also catches duplicate rows.  Will make blanking out gaps easier.
This commit is contained in:
Markus Armbruster 2011-05-07 17:45:19 +02:00
parent cff42775ac
commit 4c731905cf
1 changed files with 19 additions and 20 deletions
Download patch file Download diff file Expand all files Collapse all files

39
src/lib/common/xundump.c
View file

@ -180,8 +180,8 @@ tbl_skip_to_obj(int id)
{
int max_id;
if (id < 0)
return gripe("Field %d must be >= 0", 1);
if (id <= cur_id)
return gripe("Field %d must be > %d", 1, cur_id);
max_id = ef_id_limit(cur_type);
if (id > max_id)
return gripe("Field %d must be <= %d", 1, max_id);
@ -194,12 +194,25 @@ tbl_skip_to_obj(int id)
/*
* Finish table part.
* If the table has variable length, truncate it.
* Return 0 on success, -1 on failure.
*/
static void
static int
tbl_part_done(void)
{
struct empfile *ep = &empfile[cur_type];
if (cur_id + 1 < ep->fids) {
if (may_trunc) {
if (!ef_truncate(cur_type, cur_id + 1))
return -1;
} else
return gripe("Table %s requires %d rows, got %d",
ef_nameof(cur_type), ep->fids, cur_id + 1);
}
cur_id = -1;
cur_obj = NULL;
return 0;
}
/*
@ -949,7 +962,8 @@ xufooter(FILE *fp, struct castr ca[], int recs)
}
if (skipfs(fp) != '\n')
return gripe("Junk after table footer");
tbl_part_done();
if (tbl_part_done() < 0)
return -1;
lineno++;
for (i = 0; ca[i].ca_name; i++) {
@ -1051,10 +1065,8 @@ xutail(FILE *fp, struct castr *ca)
static int
xubody(FILE *fp)
{
struct empfile *ep = &empfile[cur_type];
int i, maxid, ch;
int i, ch;
maxid = 0;
for (i = 0;; ++i) {
while ((ch = skipfs(fp)) == '\n')
lineno++;
@ -1063,19 +1075,6 @@ xubody(FILE *fp)
ungetc(ch, fp);
if (xuflds(fp, xufld) < 0)
return -1;
maxid = MAX(maxid, cur_id + 1);
}
if (CANT_HAPPEN(maxid > ep->fids))
maxid = ep->fids;
if (maxid < ep->fids) {
if (may_trunc) {
if (!ef_truncate(cur_type, maxid))
return -1;
} else
return gripe("Table %s requires %d rows, got %d",
ef_nameof(cur_type), ep->fids, maxid);
}
return i;
}