Because a config callback may start parsing a new file, the
global context regarding the current config file is stored
as a stack. Currently we only need to manage that stack from
git_config_from_file. Let's factor it out to allow new
sources of config data.
Signed-off-by: Heiko Voigt <hvoigt@xxxxxxxxxx>
---
config.c | 42 ++++++++++++++++++++++++++++--------------
1 file changed, 28 insertions(+), 14 deletions(-)
diff --git a/config.c b/config.c
index aefd80b..f0494f3 100644
--- a/config.c
+++ b/config.c
@@ -896,6 +896,32 @@ int git_default_config(const char *var, const char *value, void *dummy)
return 0;
}
+/*
+ * The fields f and name of top need to be initialized before calling
+ * this function.
+ */
+static int do_config_from(struct config_file *top, config_fn_t fn, void *data)
+{
+ int ret;
+
+ /* push config-file parsing state stack */
+ top->prev = cf;
+ top->linenr = 1;
+ top->eof = 0;
+ strbuf_init(&top->value, 1024);
+ strbuf_init(&top->var, 1024);
+ cf = top;
+
+ ret = git_parse_file(fn, data);
+
+ /* pop config-file parsing state stack */
+ strbuf_release(&top->value);
+ strbuf_release(&top->var);
+ cf = top->prev;
+
+ return ret;
+}
+
int git_config_from_file(config_fn_t fn, const char *filename, void *data)
{
int ret;
@@ -905,22 +931,10 @@ int git_config_from_file(config_fn_t fn, const char *filename, void *data)
if (f) {
config_file top;
- /* push config-file parsing state stack */
- top.prev = cf;
top.f = f;
top.name = filename;
- top.linenr = 1;
- top.eof = 0;
- strbuf_init(&top.value, 1024);
- strbuf_init(&top.var, 1024);
- cf = ⊤
-
- ret = git_parse_file(fn, data);
-
- /* pop config-file parsing state stack */
- strbuf_release(&top.value);
- strbuf_release(&top.var);
- cf = top.prev;
+
+ ret = do_config_from(&top, fn, data);
fclose(f);
}
--
1.8.3.rc1.40.gba374ae
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