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Propagate cache error internal to refresh_cache() via parameter. 

The function refresh_cache() is the only user of cache_errno
that switches its behaviour based on what internal function
refresh_cache_entry() finds; pass the error status back in a
parameter passed down to it, to get rid of the global variable
cache_errno.

Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano 2007-04-01 21:34:34 -07:00
parent 0424138d57
commit ec0cc70469
1 changed files with 13 additions and 6 deletions
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19
read-cache.c
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@ -24,8 +24,6 @@ unsigned int active_nr, active_alloc, active_cache_changed;
struct cache_tree *active_cache_tree;
static int cache_errno;
static void *cache_mmap;
static size_t cache_mmap_size;
@ -643,14 +641,15 @@ int add_cache_entry(struct cache_entry *ce, int option)
* For example, you'd want to do this after doing a "git-read-tree",
* to link up the stat cache details with the proper files.
*/
struct cache_entry *refresh_cache_entry(struct cache_entry *ce, int really)
static struct cache_entry *refresh_cache_ent(struct cache_entry *ce, int really, int *err)
{
struct stat st;
struct cache_entry *updated;
int changed, size;
if (lstat(ce->name, &st) < 0) {
cache_errno = errno;
if (err)
*err = errno;
return NULL;
}
@ -664,7 +663,8 @@ struct cache_entry *refresh_cache_entry(struct cache_entry *ce, int really)
}
if (ce_modified(ce, &st, really)) {
cache_errno = EINVAL;
if (err)
*err = EINVAL;
return NULL;
}
@ -696,6 +696,8 @@ int refresh_cache(unsigned int flags)
for (i = 0; i < active_nr; i++) {
struct cache_entry *ce, *new;
int cache_errno = 0;
ce = active_cache[i];
if (ce_stage(ce)) {
while ((i < active_nr) &&
@ -709,7 +711,7 @@ int refresh_cache(unsigned int flags)
continue;
}
new = refresh_cache_entry(ce, really);
new = refresh_cache_ent(ce, really, &cache_errno);
if (new == ce)
continue;
if (!new) {
@ -737,6 +739,11 @@ int refresh_cache(unsigned int flags)
return has_errors;
}
struct cache_entry *refresh_cache_entry(struct cache_entry *ce, int really)
{
return refresh_cache_ent(ce, really, NULL);
}
static int verify_hdr(struct cache_header *hdr, unsigned long size)
{
SHA_CTX c;