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Merge pull request #4078 from pks-t/pks/example-cleanup

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Fix general example memory leaks
This commit is contained in:
Edward Thomson 2017-01-21 23:11:13 +00:00 committed by GitHub
commit 0418d3b7a8
1 changed files with 43 additions and 12 deletions
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55
examples/general.c
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@ -247,6 +247,11 @@ static void object_database(git_repository *repo, git_oid *oid)
*/
git_oid_fmt(oid_hex, oid);
printf("Written Object: %s\n", oid_hex);
/**
* Free the object database after usage.
*/
git_odb_free(odb);
}
/**
@ -264,7 +269,7 @@ static void commit_writing(git_repository *repo)
git_oid tree_id, parent_id, commit_id;
git_tree *tree;
git_commit *parent;
const git_signature *author, *cmtter;
git_signature *author, *committer;
char oid_hex[GIT_OID_HEXSZ+1] = { 0 };
printf("\n*Commit Writing*\n");
@ -276,9 +281,9 @@ static void commit_writing(git_repository *repo)
* `user.email` configuration options. See the `config` section of this
* example file to see how to access config values.
*/
git_signature_new((git_signature **)&author,
git_signature_new(&author,
"Scott Chacon", "schacon@gmail.com", 123456789, 60);
git_signature_new((git_signature **)&cmtter,
git_signature_new(&committer,
"Scott A Chacon", "scott@github.com", 987654321, 90);
/**
@ -301,7 +306,7 @@ static void commit_writing(git_repository *repo)
repo,
NULL, /* do not update the HEAD */
author,
cmtter,
committer,
NULL, /* use default message encoding */
"example commit",
tree,
@ -312,6 +317,14 @@ static void commit_writing(git_repository *repo)
*/
git_oid_fmt(oid_hex, &commit_id);
printf("New Commit: %s\n", oid_hex);
/**
* Free all objects used in the meanwhile.
*/
git_tree_free(tree);
git_commit_free(parent);
git_signature_free(author);
git_signature_free(committer);
}
/**
@ -431,7 +444,11 @@ static void tag_parsing(git_repository *repo)
printf("Tag Name: %s\nTag Type: %s\nTag Message: %s\n",
name, git_object_type2string(type), message);
/**
* Free both the commit and tag after usage.
*/
git_commit_free(commit);
git_tag_free(tag);
}
/**
@ -485,9 +502,10 @@ static void tree_parsing(git_repository *repo)
git_tree_entry_to_object(&obj, repo, entry); /* blob */
/**
* Remember to close the looked-up object once you are done using it
* Remember to close the looked-up object and tree once you are done using it
*/
git_object_free(obj);
git_tree_free(tree);
}
/**
@ -522,6 +540,11 @@ static void blob_parsing(git_repository *repo)
* */
printf("Blob Size: %ld\n", (long)git_blob_rawsize(blob)); /* 8 */
git_blob_rawcontent(blob); /* "content" */
/**
* Free the blob after usage.
*/
git_blob_free(blob);
}
/**
@ -644,10 +667,7 @@ static void index_walking(git_repository *repo)
static void reference_listing(git_repository *repo)
{
git_strarray ref_list;
const char *refname;
git_reference *ref;
unsigned i;
char oid_hex[GIT_OID_HEXSZ+1];
printf("\n*Reference Listing*\n");
@ -662,7 +682,10 @@ static void reference_listing(git_repository *repo)
git_reference_list(&ref_list, repo);
for (i = 0; i < ref_list.count; ++i) {
memset(oid_hex, 0, sizeof(oid_hex));
git_reference *ref;
char oid_hex[GIT_OID_HEXSZ+1] = GIT_OID_HEX_ZERO;
const char *refname;
refname = ref_list.strings[i];
git_reference_lookup(&ref, repo, refname);
@ -679,6 +702,8 @@ static void reference_listing(git_repository *repo)
fprintf(stderr, "Unexpected reference type\n");
exit(1);
}
git_reference_free(ref);
}
git_strarray_free(&ref_list);
@ -696,7 +721,7 @@ static void config_files(const char *repo_path, git_repository* repo)
{
const char *email;
char config_path[256];
int32_t j;
int32_t autocorrect;
git_config *cfg;
git_config *snap_cfg;
@ -708,10 +733,16 @@ static void config_files(const char *repo_path, git_repository* repo)
sprintf(config_path, "%s/config", repo_path);
check_error(git_config_open_ondisk(&cfg, config_path), "opening config");
git_config_get_int32(&j, cfg, "help.autocorrect");
printf("Autocorrect: %d\n", j);
if (git_config_get_int32(&autocorrect, cfg, "help.autocorrect") == 0)
printf("Autocorrect: %d\n", autocorrect);
check_error(git_repository_config_snapshot(&snap_cfg, repo), "config snapshot");
git_config_get_string(&email, snap_cfg, "user.email");
printf("Email: %s\n", email);
/**
* Remember to free the configurations after usage.
*/
git_config_free(cfg);
git_config_free(snap_cfg);
}