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Deploy git_config_backend version

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This commit is contained in:
Ben Straub 2012-11-29 14:07:50 -08:00
parent b81aa2f1de
commit 6917762139
3 changed files with 37 additions and 2 deletions
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15
src/config.c
View File

@ -248,6 +248,18 @@ int git_config_open_level(
return 0;
}
static bool config_backend_has_valid_version(git_config_backend *backend)
{
if (!backend)
return true;
if (backend->version > 0 && backend->version <= GIT_CONFIG_BACKEND_VERSION)
return true;
giterr_set(GITERR_INVALID, "Invalid version %d for git_config_backend", backend->version);
return false;
}
int git_config_add_backend(
git_config *cfg,
git_config_backend *file,
@ -259,6 +271,9 @@ int git_config_add_backend(
assert(cfg && file);
if (!config_backend_has_valid_version(file))
return -1;
if ((result = file->open(file, level)) < 0)
return result;

4
src/config_file.c
View File

@ -545,10 +545,10 @@ int git_config_file__ondisk(git_config_backend **out, const char *path)
{
diskfile_backend *backend;
backend = git__malloc(sizeof(diskfile_backend));
backend = git__calloc(1, sizeof(diskfile_backend));
GITERR_CHECK_ALLOC(backend);
memset(backend, 0x0, sizeof(diskfile_backend));
backend->parent.version = GIT_CONFIG_BACKEND_VERSION;
backend->file_path = git__strdup(path);
GITERR_CHECK_ALLOC(backend->file_path);

20
tests-clar/config/backend.c Normal file
View File

@ -0,0 +1,20 @@
#include "clar_libgit2.h"
void test_config_backend__checks_version(void)
{
git_config *cfg;
git_config_backend backend = GIT_CONFIG_BACKEND_INIT;
backend.version = 1024;
const git_error *err;
cl_git_pass(git_config_new(&cfg));
cl_git_fail(git_config_add_backend(cfg, &backend, 0, false));
err = giterr_last();
cl_assert_equal_i(GITERR_INVALID, err->klass);
giterr_clear();
backend.version = 1024;
cl_git_fail(git_config_add_backend(cfg, &backend, 0, false));
err = giterr_last();
cl_assert_equal_i(GITERR_INVALID, err->klass);
}