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config: use a snapshot for the iterator

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This commit is contained in:
Carlos Martín Nieto 2014-03-31 08:32:45 +02:00
parent bd95f836f5
commit 0500a1ef4e
1 changed files with 17 additions and 3 deletions
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20
src/config_file.c
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@ -113,6 +113,7 @@ static int config_write(diskfile_backend *cfg, const char *key, const regex_t *p
static char *escape_value(const char *ptr);
int git_config_file__snapshot(git_config_backend **out, diskfile_backend *in);
static int config_snapshot(git_config_backend **out, git_config_backend *in);
static void set_parse_error(struct reader *reader, int col, const char *error_str)
{
@ -326,6 +327,7 @@ static void backend_free(git_config_backend *_backend)
static void config_iterator_free(
git_config_iterator* iter)
{
iter->backend->free(iter->backend);
git__free(iter);
}
@ -360,15 +362,27 @@ static int config_iterator_new(
git_config_iterator **iter,
struct git_config_backend* backend)
{
diskfile_header *h = (diskfile_header *)backend;
git_config_file_iter *it = git__calloc(1, sizeof(git_config_file_iter));
diskfile_header *h;
git_config_file_iter *it;
git_config_backend *snapshot;
diskfile_backend *b = (diskfile_backend *) backend;
int error;
if ((error = config_snapshot(&snapshot, backend)) < 0)
return error;
if ((error = snapshot->open(snapshot, b->level)) < 0)
return error;
it = git__calloc(1, sizeof(git_config_file_iter));
GITERR_CHECK_ALLOC(it);
h = (diskfile_header *)snapshot;
/* strmap_begin() is currently a macro returning 0 */
GIT_UNUSED(h);
it->parent.backend = backend;
it->parent.backend = snapshot;
it->iter = git_strmap_begin(h->values);
it->next_var = NULL;