Commit f9a7973dd9a07829f2071fc151529b7accb8164c
2016-08-16T09:29:14
examples: general: extract function demonstrating reference listings
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diff --git a/examples/general.c b/examples/general.c
index 26914a2..ea00015 100644
--- a/examples/general.c
+++ b/examples/general.c
@@ -41,7 +41,9 @@
// to compile properly and get all the libgit2 API.
#include <git2.h>
#include <stdio.h>
+#include <string.h>
+static void reference_listing(git_repository *repo);
static void config_files(const char *repo_path);
// Almost all libgit2 functions return 0 on success or negative on error.
@@ -459,34 +461,53 @@ int main (int argc, char** argv)
git_index_free(index);
- // ### References
+ reference_listing(repo);
+ config_files(repo_path);
- // The [reference API][ref] allows you to list, resolve, create and update
- // references such as branches, tags and remote references (everything in
- // the .git/refs directory).
- //
- // [ref]: http://libgit2.github.com/libgit2/#HEAD/group/reference
+ // Finally, when you're done with the repository, you can free it as well.
+ git_repository_free(repo);
- printf("\n*Reference Listing*\n");
+ return 0;
+}
- // Here we will implement something like `git for-each-ref` simply listing
- // out all available references and the object SHA they resolve to.
+/**
+ * ### References
+ *
+ * The [reference API][ref] allows you to list, resolve, create and update
+ * references such as branches, tags and remote references (everything in
+ * the .git/refs directory).
+ *
+ * [ref]: http://libgit2.github.com/libgit2/#HEAD/group/reference
+ */
+static void reference_listing(git_repository *repo)
+{
git_strarray ref_list;
- git_reference_list(&ref_list, repo);
-
const char *refname;
git_reference *ref;
+ unsigned i;
+ char oid_hex[GIT_OID_HEXSZ+1];
+
+ printf("\n*Reference Listing*\n");
+
+ /**
+ * Here we will implement something like `git for-each-ref` simply listing
+ * out all available references and the object SHA they resolve to.
+ *
+ * Now that we have the list of reference names, we can lookup each ref
+ * one at a time and resolve them to the SHA, then print both values out.
+ */
+
+ git_reference_list(&ref_list, repo);
- // Now that we have the list of reference names, we can lookup each ref
- // one at a time and resolve them to the SHA, then print both values out.
for (i = 0; i < ref_list.count; ++i) {
+ memset(oid_hex, 0, sizeof(oid_hex));
refname = ref_list.strings[i];
git_reference_lookup(&ref, repo, refname);
switch (git_reference_type(ref)) {
case GIT_REF_OID:
- git_oid_fmt(out, git_reference_target(ref));
- printf("%s [%s]\n", refname, out);
+ git_oid_fmt(oid_hex, git_reference_target(ref));
+ printf("%s [%s]\n", refname, oid_hex);
break;
case GIT_REF_SYMBOLIC:
@@ -499,13 +520,6 @@ int main (int argc, char** argv)
}
git_strarray_free(&ref_list);
-
- config_files(repo_path);
-
- // Finally, when you're done with the repository, you can free it as well.
- git_repository_free(repo);
-
- return 0;
}
/**