static int do_delete_backups(struct sdirs *sdirs, struct conf *cconf)
{
int ret=-1;
int deleted=0;
unsigned long m=1;
struct bu *bu=NULL;
struct bu *last=NULL;
struct bu *bu_list=NULL;
struct strlist *keep=NULL;
if(bu_list_get(sdirs, &bu_list)) goto end;
// Find the last entry in the list.
for(bu=bu_list; bu; bu=bu->next) last=bu;
// For each of the 'keep' values, generate ranges in which to keep
// one backup.
for(keep=cconf->keep; keep; keep=keep->next)
{
unsigned long rmin=0;
rmin=m * keep->flag;
if(keep->next && range_loop(sdirs, cconf,
keep, rmin, bu_list, last, &deleted))
goto end;
m=rmin;
}
// Remove the very oldest backups.
for(bu=bu_list; bu; bu=bu->next) if(bu->trbno>m) break;
for(; bu; bu=bu->prev)
{
if(delete_backup(sdirs, cconf, bu))
goto end;
deleted++;
}
ret=deleted;
end:
bu_list_free(&bu_list);
return ret;
}
static int do_delete_backups(struct sdirs *sdirs, const char *cname,
struct strlist *keep, struct bu *bu_list, const char *manual_delete)
{
int ret=-1;
int deleted=0;
unsigned long m=1;
struct bu *bu=NULL;
struct bu *last=NULL;
struct strlist *k=NULL;
// Find the last entry in the list.
for(bu=bu_list; bu; bu=bu->next) last=bu;
// For each of the 'keep' values, generate ranges in which to keep
// one backup.
for(k=keep; k; k=k->next)
{
unsigned long rmin=0;
rmin=m * k->flag;
if(k->next && range_loop(sdirs, cname,
k, rmin, bu_list, last, manual_delete, &deleted))
goto end;
m=rmin;
}
// Remove the very oldest backups.
for(bu=bu_list; bu; bu=bu->next) if(bu->trbno>m) break;
for(; bu; bu=bu->prev)
{
if(delete_backup(sdirs, cname, bu, manual_delete))
goto end;
deleted++;
}
ret=deleted;
end:
return ret;
}
