#include "clar_libgit2.h" #include "git2/sys/odb_backend.h" #include "backend_helpers.h" static int search_object(const fake_object **out, fake_backend *fake, const git_oid *oid, size_t len) { const fake_object *obj = fake->objects, *found = NULL; while (obj && obj->oid) { git_oid current_oid; git_oid_fromstr(¤t_oid, obj->oid); if (git_oid_ncmp(¤t_oid, oid, len) == 0) { if (found) return GIT_EAMBIGUOUS; found = obj; } obj++; } if (found && out) *out = found; return found ? GIT_OK : GIT_ENOTFOUND; } static int fake_backend__exists(git_odb_backend *backend, const git_oid *oid) { fake_backend *fake; fake = (fake_backend *)backend; fake->exists_calls++; return search_object(NULL, fake, oid, GIT_OID_HEXSZ) == GIT_OK; } static int fake_backend__exists_prefix( git_oid *out, git_odb_backend *backend, const git_oid *oid, size_t len) { const fake_object *obj; fake_backend *fake; int error; fake = (fake_backend *)backend; fake->exists_prefix_calls++; if ((error = search_object(&obj, fake, oid, len)) < 0) return error; if (out) git_oid_fromstr(out, obj->oid); return 0; } static int fake_backend__read( void **buffer_p, size_t *len_p, git_otype *type_p, git_odb_backend *backend, const git_oid *oid) { const fake_object *obj; fake_backend *fake; int error; fake = (fake_backend *)backend; fake->read_calls++; if ((error = search_object(&obj, fake, oid, GIT_OID_HEXSZ)) < 0) return error; *len_p = strlen(obj->content); *buffer_p = git__strdup(obj->content); *type_p = GIT_OBJ_BLOB; return 0; } static int fake_backend__read_header( size_t *len_p, git_otype *type_p, git_odb_backend *backend, const git_oid *oid) { const fake_object *obj; fake_backend *fake; int error; fake = (fake_backend *)backend; fake->read_header_calls++; if ((error = search_object(&obj, fake, oid, GIT_OID_HEXSZ)) < 0) return error; *len_p = strlen(obj->content); *type_p = GIT_OBJ_BLOB; return 0; } static int fake_backend__read_prefix( git_oid *out_oid, void **buffer_p, size_t *len_p, git_otype *type_p, git_odb_backend *backend, const git_oid *short_oid, size_t len) { const fake_object *obj; fake_backend *fake; int error; fake = (fake_backend *)backend; fake->read_prefix_calls++; if ((error = search_object(&obj, fake, short_oid, len)) < 0) return error; git_oid_fromstr(out_oid, obj->oid); *len_p = strlen(obj->content); *buffer_p = git__strdup(obj->content); *type_p = GIT_OBJ_BLOB; return 0; } static void fake_backend__free(git_odb_backend *_backend) { fake_backend *backend; backend = (fake_backend *)_backend; git__free(backend); } int build_fake_backend( git_odb_backend **out, const fake_object *objects) { fake_backend *backend; backend = git__calloc(1, sizeof(fake_backend)); GITERR_CHECK_ALLOC(backend); backend->parent.version = GIT_ODB_BACKEND_VERSION; backend->parent.refresh = NULL; backend->objects = objects; backend->parent.read = fake_backend__read; backend->parent.read_prefix = fake_backend__read_prefix; backend->parent.read_header = fake_backend__read_header; backend->parent.exists = fake_backend__exists; backend->parent.exists_prefix = fake_backend__exists_prefix; backend->parent.free = &fake_backend__free; *out = (git_odb_backend *)backend; return 0; }