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error-handling: References

Browse Source 
Yes, this is error handling solely for `refs.c`, but some of the
abstractions leak all ofer the code base.
This commit is contained in:
Vicent Martí 2012-02-17 00:13:34 +01:00
parent 45d387ac78
commit 1a48112342
26 changed files with 591 additions and 665 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
include/git2/errors.h
View File

@ -122,16 +122,17 @@ typedef struct {
typedef enum {
GITERR_NOMEMORY,
GITERR_OS,
GITERR_REFERENCE,
GITERR_ZLIB,
} git_error_class;
#define GITERR_CHECK_ALLOC(ptr, error) if (ptr == NULL) { giterr_set_oom(error); return -1 }
#define GITERR_CHECK_ALLOC(ptr) if (ptr == NULL) { return -1; }
GIT_EXTERN(void) giterr_set(git_error **error_out, int error_class, const char *string, ...);
GIT_EXTERN(void) giterr_set_oom(git_error **error);
GIT_EXTERN(void) giterr_free(git_error *error);
GIT_EXTERN(void) giterr_clear(git_error **error);
GIT_EXTERN(void) giterr_set_oom(void);
GIT_EXTERN(void) giterr_set(int error_class, const char *string, ...);
GIT_EXTERN(void) giterr_clear(void);
/**
* Return a detailed error string with the latest error

5
src/attr_file.c
View File

@ -250,11 +250,12 @@ int git_attr_path__init(
git_buf full_path = GIT_BUF_INIT;
int error = git_buf_joinpath(&full_path, base, path);
if (error == GIT_SUCCESS)
info->is_dir = (git_path_isdir(full_path.ptr) == GIT_SUCCESS);
info->is_dir = (int)git_path_isdir(full_path.ptr);
git_buf_free(&full_path);
return error;
}
info->is_dir = (git_path_isdir(path) == GIT_SUCCESS);
info->is_dir = (int)git_path_isdir(path);
return GIT_SUCCESS;
}

8
src/cc-compat.h
View File

@ -50,4 +50,12 @@
# pragma warning ( disable : 4127 )
#endif
#if defined (_MSC_VER)
typedef unsigned char bool;
# define true 1
# define false 0
#else
# include <stdbool.h>
#endif
#endif /* INCLUDE_compat_h__ */

54
src/errors.c
View File

@ -108,20 +108,24 @@ void git_clearerror(void)
* New error handling
********************************************/
void giterr_set(git_error **error_out, int error_class, const char *string, ...)
static git_error g_git_oom_error = {
"Out of memory",
GITERR_NOMEMORY
};
void giterr_set_oom(void)
{
GIT_GLOBAL->last_error = &g_git_oom_error;
}
void giterr_set(int error_class, const char *string, ...)
{
char error_str[1024];
va_list arglist;
git_error *error;
if (error_out == NULL)
return;
error = git__malloc(sizeof(git_error));
if (!error) {
giterr_set_oom(error_out);
return;
}
error = &GIT_GLOBAL->error_t;
free(error->message);
va_start(arglist, string);
p_vsnprintf(error_str, sizeof(error_str), string, arglist);
@ -131,38 +135,14 @@ void giterr_set(git_error **error_out, int error_class, const char *string, ...)
error->klass = error_class;
if (error->message == NULL) {
free(error);
giterr_set_oom(error_out);
giterr_set_oom();
return;
}
*error_out = error;
GIT_GLOBAL->last_error = error;
}
static git_error g_git_oom_error = {
"Out of memory",
GITERR_NOMEMORY
};
void giterr_set_oom(git_error **error)
void giterr_clear(void)
{
if (error != NULL)
*error = &g_git_oom_error;
}
void giterr_free(git_error *error)
{
if (error == NULL || error == &g_git_oom_error)
return;
free(error->message);
free(error);
}
void giterr_clear(git_error **error)
{
if (error != NULL) {
giterr_free(*error);
*error = NULL;
}
GIT_GLOBAL->last_error = NULL;
}

75
src/filebuf.c
View File

@ -16,11 +16,14 @@ static const size_t WRITE_BUFFER_SIZE = (4096 * 2);
static int lock_file(git_filebuf *file, int flags)
{
if (git_path_exists(file->path_lock) == 0) {
if (git_path_exists(file->path_lock) == true) {
if (flags & GIT_FILEBUF_FORCE)
p_unlink(file->path_lock);
else
return git__throw(GIT_EOSERR, "Failed to lock file");
else {
giterr_set(GITERR_OS,
"Failed to lock file '%s' for writing", file->path_lock);
return -1;
}
}
/* create path to the file buffer is required */
@ -32,16 +35,20 @@ static int lock_file(git_filebuf *file, int flags)
}
if (file->fd < 0)
return git__throw(GIT_EOSERR, "Failed to create lock");
return -1;
if ((flags & GIT_FILEBUF_APPEND) && git_path_exists(file->path_original) == 0) {
if ((flags & GIT_FILEBUF_APPEND) && git_path_exists(file->path_original) == true) {
git_file source;
char buffer[2048];
size_t read_bytes;
source = p_open(file->path_original, O_RDONLY);
if (source < 0)
return git__throw(GIT_EOSERR, "Failed to lock file. Could not open %s", file->path_original);
if (source < 0) {
giterr_set(GITERR_OS,
"Failed to open file '%s' for reading: %s",
file->path_original, strerror(errno));
return -1;
}
while ((read_bytes = p_read(source, buffer, 2048)) > 0) {
p_write(file->fd, buffer, read_bytes);
@ -60,7 +67,7 @@ void git_filebuf_cleanup(git_filebuf *file)
if (file->fd >= 0)
p_close(file->fd);
if (file->fd >= 0 && file->path_lock && git_path_exists(file->path_lock) == GIT_SUCCESS)
if (file->fd >= 0 && file->path_lock && git_path_exists(file->path_lock) == true)
p_unlink(file->path_lock);
if (file->digest)
@ -141,13 +148,13 @@ static int write_deflate(git_filebuf *file, void *source, size_t len)
int git_filebuf_open(git_filebuf *file, const char *path, int flags)
{
int error, compression;
int compression;
size_t path_len;
assert(file && path);
if (file->buffer)
return git__throw(GIT_EINVALIDARGS, "Tried to reopen an open filebuf");
/* opening an already open buffer is a programming error;
* assert that this never happens instead of returning
* an error code */
assert(file && path && file->buffer == NULL);
memset(file, 0x0, sizeof(git_filebuf));
@ -157,17 +164,12 @@ int git_filebuf_open(git_filebuf *file, const char *path, int flags)
/* Allocate the main cache buffer */
file->buffer = git__malloc(file->buf_size);
if (file->buffer == NULL){
error = GIT_ENOMEM;
goto cleanup;
}
GITERR_CHECK_ALLOC(file->buffer);
/* If we are hashing on-write, allocate a new hash context */
if (flags & GIT_FILEBUF_HASH_CONTENTS) {
if ((file->digest = git_hash_new_ctx()) == NULL) {
error = GIT_ENOMEM;
goto cleanup;
}
file->digest = git_hash_new_ctx();
GITERR_CHECK_ALLOC(file->digest);
}
compression = flags >> GIT_FILEBUF_DEFLATE_SHIFT;
@ -176,16 +178,13 @@ int git_filebuf_open(git_filebuf *file, const char *path, int flags)
if (compression != 0) {
/* Initialize the ZLib stream */
if (deflateInit(&file->zs, compression) != Z_OK) {
error = git__throw(GIT_EZLIB, "Failed to initialize zlib");
giterr_set(GITERR_ZLIB, "Failed to initialize zlib");
goto cleanup;
}
/* Allocate the Zlib cache buffer */
file->z_buf = git__malloc(file->buf_size);
if (file->z_buf == NULL){
error = GIT_ENOMEM;
goto cleanup;
}
GITERR_CHECK_ALLOC(file->z_buf);
/* Never flush */
file->flush_mode = Z_NO_FLUSH;
@ -200,50 +199,40 @@ int git_filebuf_open(git_filebuf *file, const char *path, int flags)
/* Open the file as temporary for locking */
file->fd = git_futils_mktmp(&tmp_path, path);
if (file->fd < 0) {
git_buf_free(&tmp_path);
error = GIT_EOSERR;
goto cleanup;
}
/* No original path */
file->path_original = NULL;
file->path_lock = git_buf_detach(&tmp_path);
if (file->path_lock == NULL) {
error = GIT_ENOMEM;
goto cleanup;
}
GITERR_CHECK_ALLOC(file->path_lock);
} else {
path_len = strlen(path);
/* Save the original path of the file */
file->path_original = git__strdup(path);
if (file->path_original == NULL) {
error = GIT_ENOMEM;
goto cleanup;
}
GITERR_CHECK_ALLOC(file->path_original);
/* create the locking path by appending ".lock" to the original */
file->path_lock = git__malloc(path_len + GIT_FILELOCK_EXTLENGTH);
if (file->path_lock == NULL) {
error = GIT_ENOMEM;
goto cleanup;
}
GITERR_CHECK_ALLOC(file->path_lock);
memcpy(file->path_lock, file->path_original, path_len);
memcpy(file->path_lock + path_len, GIT_FILELOCK_EXTENSION, GIT_FILELOCK_EXTLENGTH);
/* open the file for locking */
if ((error = lock_file(file, flags)) < GIT_SUCCESS)
if (lock_file(file, flags) < 0)
goto cleanup;
}
return GIT_SUCCESS;
return 0;
cleanup:
git_filebuf_cleanup(file);
return git__rethrow(error, "Failed to open file buffer for '%s'", path);
return -1;
}
int git_filebuf_hash(git_oid *oid, git_filebuf *file)

73
src/fileops.c
View File

@ -10,25 +10,19 @@
int git_futils_mkpath2file(const char *file_path, const mode_t mode)
{
int error;
int result = 0;
git_buf target_folder = GIT_BUF_INIT;
error = git_path_dirname_r(&target_folder, file_path);
if (error < GIT_SUCCESS) {
git_buf_free(&target_folder);
return git__throw(GIT_EINVALIDPATH, "Failed to recursively build `%s` tree structure. Unable to parse parent folder name", file_path);
} else {
/* reset error */
error = GIT_SUCCESS;
}
if (git_path_dirname_r(&target_folder, file_path) < 0)
return -1;
/* Does the containing folder exist? */
if (git_path_isdir(target_folder.ptr) != GIT_SUCCESS)
if (git_path_isdir(target_folder.ptr) == false)
/* Let's create the tree structure */
error = git_futils_mkdir_r(target_folder.ptr, NULL, mode);
result = git_futils_mkdir_r(target_folder.ptr, NULL, mode);
git_buf_free(&target_folder);
return error;
return result;
}
int git_futils_mktmp(git_buf *path_out, const char *filename)
@ -39,33 +33,50 @@ int git_futils_mktmp(git_buf *path_out, const char *filename)
git_buf_puts(path_out, "_git2_XXXXXX");
if (git_buf_oom(path_out))
return git__rethrow(git_buf_lasterror(path_out),
"Failed to create temporary file for %s", filename);
return -1;
if ((fd = p_mkstemp(path_out->ptr)) < 0)
return git__throw(GIT_EOSERR, "Failed to create temporary file %s", path_out->ptr);
if ((fd = p_mkstemp(path_out->ptr)) < 0) {
giterr_set(GITERR_OS,
"Failed to create temporary file '%s': %s", path_out->ptr, strerror(errno));
return -1;
}
return fd;
}
int git_futils_creat_withpath(const char *path, const mode_t dirmode, const mode_t mode)
{
if (git_futils_mkpath2file(path, dirmode) < GIT_SUCCESS)
return git__throw(GIT_EOSERR, "Failed to create file %s", path);
int fd;
return p_creat(path, mode);
if (git_futils_mkpath2file(path, dirmode) < 0)
return -1;
fd = p_creat(path, mode);
if (fd < 0) {
giterr_set(GITERR_OS,
"Failed to create file '%s': %s", path, strerror(errno));
return -1;
}
return fd;
}
int git_futils_creat_locked(const char *path, const mode_t mode)
{
int fd = open(path, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY | O_EXCL, mode);
return fd >= 0 ? fd : git__throw(GIT_EOSERR, "Failed to create locked file. Could not open %s", path);
if (fd < 0) {
giterr_set(GITERR_OS,
"Failed to create locked file '%s': %s", path, strerror(errno));
return -1;
}
return fd;
}
int git_futils_creat_locked_withpath(const char *path, const mode_t dirmode, const mode_t mode)
{
if (git_futils_mkpath2file(path, dirmode) < GIT_SUCCESS)
return git__throw(GIT_EOSERR, "Failed to create locked file %s", path);
if (git_futils_mkpath2file(path, dirmode) < 0)
return -1;
return git_futils_creat_locked(path, mode);
}
@ -105,12 +116,14 @@ int git_futils_readbuffer_updated(git_buf *buf, const char *path, time_t *mtime,
*updated = 0;
if ((fd = p_open(path, O_RDONLY)) < 0) {
return git__throw(GIT_ENOTFOUND, "Failed to read file '%s': %s", path, strerror(errno));
giterr_set(GITERR_OS, "Failed to read file '%s': %s", path, strerror(errno));
return (errno == ENOENT) ? GIT_ENOTFOUND : -1;
}
if (p_fstat(fd, &st) < 0 || S_ISDIR(st.st_mode) || !git__is_sizet(st.st_size+1)) {
close(fd);
return git__throw(GIT_EOSERR, "Failed to stat file '%s'", path);
giterr_set(GITERR_OS, "Invalid regular file stat for '%s'", path);
return -1;
}
/*
@ -141,7 +154,9 @@ int git_futils_readbuffer_updated(git_buf *buf, const char *path, time_t *mtime,
if (read_size < 0) {
close(fd);
return git__throw(GIT_EOSERR, "Failed to read from FD");
giterr_set(GITERR_OS, "Failed to read descriptor for %s: %s",
path, strerror(errno));
return -1;
}
len -= read_size;
@ -218,7 +233,7 @@ int git_futils_mkdir_r(const char *path, const char *base, const mode_t mode)
pp += root_path_offset; /* On Windows, will skip the drive name (eg. C: or D:) */
while (error == GIT_SUCCESS && (sp = strchr(pp, '/')) != NULL) {
if (sp != pp && git_path_isdir(make_path.ptr) < GIT_SUCCESS) {
if (sp != pp && git_path_isdir(make_path.ptr) == false) {
*sp = 0;
error = p_mkdir(make_path.ptr, mode);
@ -251,7 +266,7 @@ static int _rmdir_recurs_foreach(void *opaque, git_buf *path)
int error = GIT_SUCCESS;
int force = *(int *)opaque;
if (git_path_isdir(path->ptr) == GIT_SUCCESS) {
if (git_path_isdir(path->ptr) == true) {
error = git_path_direach(path, _rmdir_recurs_foreach, opaque);
if (error < GIT_SUCCESS)
return git__rethrow(error, "Failed to remove directory `%s`", path->ptr);
@ -293,7 +308,7 @@ int git_futils_find_global_file(git_buf *path, const char *filename)
if ((error = git_buf_joinpath(path, home, filename)) < GIT_SUCCESS)
return error;
if (git_path_exists(path->ptr) < GIT_SUCCESS) {
if (git_path_exists(path->ptr) == false) {
git_buf_clear(path);
return GIT_ENOTFOUND;
}
@ -395,7 +410,7 @@ int git_futils_find_system_file(git_buf *path, const char *filename)
if (git_buf_joinpath(path, "/etc", filename) < GIT_SUCCESS)
return git_buf_lasterror(path);
if (git_path_exists(path->ptr) == GIT_SUCCESS)
if (git_path_exists(path->ptr) == true)
return GIT_SUCCESS;
git_buf_clear(path);

3
src/global.h
View File

@ -14,6 +14,9 @@ typedef struct {
char last[1024];
} error;
git_error *last_error;
git_error error_t;
git_mwindow_ctl mem_ctl;
} git_global_st;

4
src/index.c
View File

@ -150,7 +150,7 @@ int git_index_open(git_index **index_out, const char *index_path)
git_vector_init(&index->entries, 32, index_cmp);
/* Check if index file is stored on disk already */
if (git_path_exists(index->index_file_path) == 0)
if (git_path_exists(index->index_file_path) == true)
index->on_disk = 1;
*index_out = index;
@ -221,7 +221,7 @@ int git_index_read(git_index *index)
assert(index->index_file_path);
if (!index->on_disk || git_path_exists(index->index_file_path) < 0) {
if (!index->on_disk || git_path_exists(index->index_file_path) == false) {
git_index_clear(index);
index->on_disk = 0;
return GIT_SUCCESS;

2
src/odb.c
View File

@ -402,7 +402,7 @@ static int load_alternates(git_odb *odb, const char *objects_dir)
if (error < GIT_SUCCESS)
return error;
if (git_path_exists(alternates_path.ptr) < GIT_SUCCESS) {
if (git_path_exists(alternates_path.ptr) == false) {
git_buf_free(&alternates_path);
return GIT_SUCCESS;
}

9
src/odb_loose.c
View File

@ -466,7 +466,7 @@ static int locate_object(
int error = object_file_name(object_location, backend->objects_dir, oid);
if (error == GIT_SUCCESS)
error = git_path_exists(git_buf_cstr(object_location));
error = git_path_exists(git_buf_cstr(object_location)) ? GIT_SUCCESS : GIT_ENOTFOUND;
return error;
}
@ -480,7 +480,7 @@ static int fn_locate_object_short_oid(void *state, git_buf *pathbuf) {
return GIT_SUCCESS;
}
if (!git_path_exists(pathbuf->ptr) && git_path_isdir(pathbuf->ptr)) {
if (git_path_isdir(pathbuf->ptr) == true) {
/* We are already in the directory matching the 2 first hex characters,
* compare the first ncmp characters of the oids */
if (!memcmp(sstate->short_oid + 2,
@ -533,8 +533,7 @@ static int locate_object_short_oid(
return git__rethrow(error, "Failed to locate object from short oid");
/* Check that directory exists */
if (git_path_exists(object_location->ptr) ||
git_path_isdir(object_location->ptr))
if (git_path_isdir(object_location->ptr) == false)
return git__throw(GIT_ENOTFOUND, "Failed to locate object from short oid. Object not found");
state.dir_len = object_location->size;
@ -716,7 +715,7 @@ static int loose_backend__stream_fwrite(git_oid *oid, git_odb_stream *_stream)
* is what git does and allows us to sidestep the fact that
* we're not allowed to overwrite a read-only file on Windows.
*/
if (git_path_exists(final_path.ptr) == GIT_SUCCESS) {
if (git_path_exists(final_path.ptr) == true) {
git_filebuf_cleanup(&stream->fbuf);
goto cleanup;
}

2
src/odb_pack.c
View File

@ -469,7 +469,7 @@ int git_odb_backend_pack(git_odb_backend **backend_out, const char *objects_dir)
if (error < GIT_SUCCESS)
goto cleanup;
if (git_path_isdir(git_buf_cstr(&path)) == GIT_SUCCESS) {
if (git_path_isdir(git_buf_cstr(&path)) == true) {
backend->pack_folder = git_buf_detach(&path);
backend->pack_folder_mtime = 0;
}

2
src/pack.c
View File

@ -600,7 +600,7 @@ int git_packfile_check(struct git_pack_file **pack_out, const char *path)
memcpy(p->pack_name, path, path_len);
strcpy(p->pack_name + path_len, ".keep");
if (git_path_exists(p->pack_name) == GIT_SUCCESS)
if (git_path_exists(p->pack_name) == true)
p->pack_keep = 1;
strcpy(p->pack_name + path_len, ".pack");

74
src/path.c
View File

@ -354,80 +354,75 @@ int git_path_walk_up(
return error;
}
int git_path_exists(const char *path)
bool git_path_exists(const char *path)
{
assert(path);
return p_access(path, F_OK);
return p_access(path, F_OK) == 0;
}
int git_path_isdir(const char *path)
bool git_path_isdir(const char *path)
{
#ifdef GIT_WIN32
DWORD attr = GetFileAttributes(path);
if (attr == INVALID_FILE_ATTRIBUTES)
return GIT_ERROR;
return false;
return (attr & FILE_ATTRIBUTE_DIRECTORY) ? GIT_SUCCESS : GIT_ERROR;
return (attr & FILE_ATTRIBUTE_DIRECTORY) != 0;
#else
struct stat st;
if (p_stat(path, &st) < GIT_SUCCESS)
return GIT_ERROR;
if (p_stat(path, &st) < 0)
return false;
return S_ISDIR(st.st_mode) ? GIT_SUCCESS : GIT_ERROR;
return S_ISDIR(st.st_mode) != 0;
#endif
}
int git_path_isfile(const char *path)
bool git_path_isfile(const char *path)
{
struct stat st;
int stat_error;
assert(path);
stat_error = p_stat(path, &st);
if (p_stat(path, &st) < 0)
return false;
if (stat_error < GIT_SUCCESS)
return -1;
if (!S_ISREG(st.st_mode))
return -1;
return 0;
return S_ISREG(st.st_mode) != 0;
}
static int _check_dir_contents(
static bool _check_dir_contents(
git_buf *dir,
const char *sub,
int (*predicate)(const char *))
bool (*predicate)(const char *))
{
int error = GIT_SUCCESS;
bool result;
size_t dir_size = dir->size;
size_t sub_size = strlen(sub);
/* separate allocation and join, so we can always leave git_buf valid */
if ((error = git_buf_try_grow(dir, dir_size + sub_size + 2)) < GIT_SUCCESS)
return error;
/* leave base valid even if we could not make space for subdir */
if (git_buf_try_grow(dir, dir_size + sub_size + 2) < 0)
return false;
/* save excursion */
git_buf_joinpath(dir, dir->ptr, sub);
error = (*predicate)(dir->ptr);
result = predicate(dir->ptr);
/* restore path */
git_buf_truncate(dir, dir_size);
return error;
return result;
}
int git_path_contains(git_buf *dir, const char *item)
bool git_path_contains(git_buf *dir, const char *item)
{
return _check_dir_contents(dir, item, &git_path_exists);
}
int git_path_contains_dir(git_buf *base, const char *subdir)
bool git_path_contains_dir(git_buf *base, const char *subdir)
{
return _check_dir_contents(base, subdir, &git_path_isdir);
}
int git_path_contains_file(git_buf *base, const char *file)
bool git_path_contains_file(git_buf *base, const char *file)
{
return _check_dir_contents(base, file, &git_path_isfile);
}
@ -448,7 +443,7 @@ int git_path_find_dir(git_buf *dir, const char *path, const char *base)
}
/* call dirname if this is not a directory */
if (error == GIT_SUCCESS && git_path_isdir(dir->ptr) != GIT_SUCCESS)
if (error == GIT_SUCCESS && git_path_isdir(dir->ptr) == false)
if (git_path_dirname_r(dir, dir->ptr) < GIT_SUCCESS)
error = git_buf_lasterror(dir);
@ -486,21 +481,20 @@ GIT_INLINE(int) is_dot_or_dotdot(const char *name)
int git_path_direach(
git_buf *path,
int (*fn)(void *, git_buf *, git_error **),
void *arg,
git_error **error)
int (*fn)(void *, git_buf *),
void *arg)
{
ssize_t wd_len;
DIR *dir;
struct dirent de_buf, *de;
if (git_path_to_dir(path, error) < 0)
if (git_path_to_dir(path) < 0)
return -1;
wd_len = path->size;
dir = opendir(path->ptr);
if (!dir) {
giterr_set(error, GITERR_OS, "Failed to `opendir` %s: %s", path->ptr, strerror(errno));
giterr_set(GITERR_OS, "Failed to `opendir` %s: %s", path->ptr, strerror(errno));
return -1;
}
@ -510,12 +504,10 @@ int git_path_direach(
if (is_dot_or_dotdot(de->d_name))
continue;
if (git_buf_puts(path, de->d_name) < 0) {
giterr_set_oom(error);
if (git_buf_puts(path, de->d_name) < 0)
return -1;
}
result = fn(arg, path, error);
result = fn(arg, path);
git_buf_truncate(path, wd_len); /* restore path */
@ -526,7 +518,7 @@ int git_path_direach(
}
closedir(dir);
return GIT_SUCCESS;
return 0;
}
int git_path_dirload(

24
src/path.h
View File

@ -113,21 +113,21 @@ extern int git_path_fromurl(git_buf *local_path_out, const char *file_url);
/**
* Check if a file exists and can be accessed.
* @return GIT_SUCCESS if file exists, < 0 otherwise.
* @return true or false
*/
extern int git_path_exists(const char *path);
extern bool git_path_exists(const char *path);
/**
* Check if the given path points to a directory.
* @return GIT_SUCCESS if it is a directory, < 0 otherwise.
* @return true or false
*/
extern int git_path_isdir(const char *path);
extern bool git_path_isdir(const char *path);
/**
* Check if the given path points to a regular file.
* @return GIT_SUCCESS if it is a regular file, < 0 otherwise.
* @return true or false
*/
extern int git_path_isfile(const char *path);
extern bool git_path_isfile(const char *path);
/**
* Check if the parent directory contains the item.
@ -136,25 +136,27 @@ extern int git_path_isfile(const char *path);
* @param item Item that might be in the directory.
* @return GIT_SUCCESS if item exists in directory, <0 otherwise.
*/
extern int git_path_contains(git_buf *dir, const char *item);
extern bool git_path_contains(git_buf *dir, const char *item);
/**
* Check if the given path contains the given subdirectory.
*
* @param parent Directory path that might contain subdir
* @param subdir Subdirectory name to look for in parent
* @return GIT_SUCCESS if subdirectory exists, < 0 otherwise.
* @param append_if_exists If true, then subdir will be appended to the parent path if it does exist
* @return true if subdirectory exists, false otherwise.
*/
extern int git_path_contains_dir(git_buf *parent, const char *subdir);
extern bool git_path_contains_dir(git_buf *parent, const char *subdir);
/**
* Check if the given path contains the given file.
*
* @param dir Directory path that might contain file
* @param file File name to look for in parent
* @return GIT_SUCCESS if file exists, < 0 otherwise.
* @param append_if_exists If true, then file will be appended to the path if it does exist
* @return true if file exists, false otherwise.
*/
extern int git_path_contains_file(git_buf *dir, const char *file);
extern bool git_path_contains_file(git_buf *dir, const char *file);
/**
* Clean up path, prepending base if it is not already rooted.

6
src/reflog.c
View File

@ -246,12 +246,12 @@ int git_reflog_write(git_reference *ref, const git_oid *oid_old,
if (error < GIT_SUCCESS)
goto cleanup;
if (git_path_exists(log_path.ptr)) {
if (git_path_exists(log_path.ptr) == false) {
error = git_futils_mkpath2file(log_path.ptr, GIT_REFLOG_DIR_MODE);
if (error < GIT_SUCCESS)
git__rethrow(error,
"Failed to write reflog. Cannot create reflog directory");
} else if (git_path_isfile(log_path.ptr)) {
} else if (git_path_isfile(log_path.ptr) == false) {
error = git__throw(GIT_ERROR,
"Failed to write reflog. `%s` is directory", log_path.ptr);
} else if (oid_old == NULL) {
@ -302,7 +302,7 @@ int git_reflog_delete(git_reference *ref)
error = git_buf_join_n(&path, '/', 3,
ref->owner->path_repository, GIT_REFLOG_DIR, ref->name);
if (error == GIT_SUCCESS && git_path_exists(path.ptr) == 0)
if (error == GIT_SUCCESS && git_path_exists(path.ptr) == true)
error = p_unlink(path.ptr);
git_buf_free(&path);

810
src/refs.c
View File

File diff suppressed because it is too large Load Diff

14
src/repository.c
View File

@ -83,14 +83,14 @@ void git_repository_free(git_repository *repo)
static int quickcheck_repository_dir(git_buf *repository_path)
{
/* Check OBJECTS_DIR first, since it will generate the longest path name */
if (git_path_contains_dir(repository_path, GIT_OBJECTS_DIR) < 0)
if (git_path_contains_dir(repository_path, GIT_OBJECTS_DIR) == false)
return GIT_ERROR;
/* Ensure HEAD file exists */
if (git_path_contains_file(repository_path, GIT_HEAD_FILE) < 0)
if (git_path_contains_file(repository_path, GIT_HEAD_FILE) == false)
return GIT_ERROR;
if (git_path_contains_dir(repository_path, GIT_REFS_DIR) < 0)
if (git_path_contains_dir(repository_path, GIT_REFS_DIR) == false)
return GIT_ERROR;
return GIT_SUCCESS;
@ -498,7 +498,7 @@ static int read_gitfile(git_buf *path_out, const char *file_path, const char *ba
git_buf_free(&file);
if (error == GIT_SUCCESS && git_path_exists(path_out->ptr) == 0)
if (error == GIT_SUCCESS && git_path_exists(path_out->ptr) == true)
return GIT_SUCCESS;
return git__throw(GIT_EOBJCORRUPTED, "The `.git` file points to a nonexistent path");
@ -542,7 +542,7 @@ int git_repository_discover(
* If the `.git` file is regular instead of
* a directory, it should contain the path of the actual git repository
*/
if (git_path_isfile(normal_path.ptr) == GIT_SUCCESS) {
if (git_path_isfile(normal_path.ptr) == true) {
git_buf gitfile_path = GIT_BUF_INIT;
error = read_gitfile(&gitfile_path, normal_path.ptr, bare_path.ptr);
@ -564,7 +564,7 @@ int git_repository_discover(
/**
* If the `.git` file is a folder, we check inside of it
*/
if (git_path_isdir(normal_path.ptr) == GIT_SUCCESS) {
if (git_path_isdir(normal_path.ptr) == true) {
error = quickcheck_repository_dir(&normal_path);
if (error == GIT_SUCCESS) {
found_path = &normal_path;
@ -774,7 +774,7 @@ int git_repository_init(git_repository **repo_out, const char *path, unsigned is
if (error < GIT_SUCCESS)
return error;
if (git_path_isdir(repository_path.ptr) == GIT_SUCCESS) {
if (git_path_isdir(repository_path.ptr) == true) {
if (quickcheck_repository_dir(&repository_path) == GIT_SUCCESS) {
error = repo_init_reinit(repo_out, repository_path.ptr, is_bare);
git_buf_free(&repository_path);

8
src/status.c
View File

@ -505,7 +505,7 @@ int git_status_foreach(
dirent_st.index_position = 0;
dirent_st.is_dir = 1;
if (git_path_isdir(workdir)) {
if (git_path_isdir(workdir) == false) {
error = git__throw(GIT_EINVALIDPATH,
"Failed to determine status of file '%s'. "
"The given path doesn't lead to a folder", workdir);
@ -608,7 +608,7 @@ int git_status_file(unsigned int *status_flags, git_repository *repo, const char
return git__rethrow(error,
"Failed to determine status of file '%s'", path);
if (git_path_isdir(temp_path.ptr) == GIT_SUCCESS) {
if (git_path_isdir(temp_path.ptr) == true) {
git_buf_free(&temp_path);
return git__throw(GIT_EINVALIDPATH,
"Failed to determine status of file '%s'. "
@ -622,7 +622,7 @@ int git_status_file(unsigned int *status_flags, git_repository *repo, const char
}
/* Find file in Workdir */
if (git_path_exists(temp_path.ptr) == GIT_SUCCESS) {
if (git_path_exists(temp_path.ptr) == true) {
if ((error = status_entry_update_from_workdir(e, temp_path.ptr)) < GIT_SUCCESS)
goto cleanup; /* The callee has already set the error message */
}
@ -702,7 +702,7 @@ static char *alphasorted_dirent_info_new(const git_buf *path)
git_buf_copy_cstr(di, path->size + 1, path);
if (git_path_isdir(path->ptr) == GIT_SUCCESS) {
if (git_path_isdir(path->ptr) == true) {
/*
* Append a forward slash to the name to force folders
* to be ordered in a similar way than in a tree

2
tests-clar/config/stress.c
View File

@ -27,7 +27,7 @@ void test_config_stress__dont_break_on_invalid_input(void)
struct git_config_file *file;
git_config *config;
cl_git_pass(git_path_exists("git-test-config"));
cl_assert(git_path_exists("git-test-config"));
cl_git_pass(git_config_file__ondisk(&file, "git-test-config"));
cl_git_pass(git_config_new(&config));
cl_git_pass(git_config_add_file(config, file, 0));

16
tests-clar/core/filebuf.c
View File

@ -14,7 +14,7 @@ void test_core_filebuf__0(void)
cl_must_pass(p_close(fd));
cl_git_fail(git_filebuf_open(&file, test, 0));
cl_git_pass(git_path_exists(testlock));
cl_assert(git_path_exists(testlock));
cl_must_pass(p_unlink(testlock));
}
@ -56,20 +56,6 @@ void test_core_filebuf__2(void)
cl_must_pass(p_unlink(test));
}
/* make sure git_filebuf_open won't reopen an open buffer */
void test_core_filebuf__3(void)
{
git_filebuf file = GIT_FILEBUF_INIT;
char test[] = "test";
cl_git_pass(git_filebuf_open(&file, test, 0));
cl_git_fail(git_filebuf_open(&file, test, 0));
git_filebuf_cleanup(&file);
}
/* make sure git_filebuf_cleanup clears the buffer */
void test_core_filebuf__4(void)
{

2
tests/t00-core.c
View File

@ -485,7 +485,7 @@ BEGIN_TEST(filebuf0, "make sure git_filebuf_open doesn't delete an existing lock
must_pass(fd);
must_pass(p_close(fd));
must_fail(git_filebuf_open(&file, test, 0));
must_pass(git_path_exists(testlock));
must_be_true(git_path_exists(testlock));
must_pass(p_unlink(testlock));
END_TEST

4
tests/t03-objwrite.c
View File

@ -44,9 +44,9 @@ static int make_odb_dir(void)
static int check_object_files(object_data *d)
{
if (git_path_exists(d->dir) < 0)
if (git_path_exists(d->dir) == false)
return -1;
if (git_path_exists(d->file) < 0)
if (git_path_exists(d->file) == false)
return -1;
return 0;
}

2
tests/t08-tag.c
View File

@ -337,8 +337,6 @@ BEGIN_TEST(delete0, "Delete an already existing tag")
must_fail(git_reference_lookup(&ref_tag, repo, "refs/tags/e90810b"));
close_temp_repo(repo);
git_reference_free(ref_tag);
END_TEST
BEGIN_SUITE(tag)

34
tests/t10-refs.c
View File

@ -69,7 +69,6 @@ BEGIN_TEST(readtag1, "lookup a loose tag reference that doesn't exist")
must_fail(git_reference_lookup(&reference, repo, non_existing_tag_ref_name));
git_repository_free(repo);
git_reference_free(reference);
END_TEST
@ -530,7 +529,7 @@ BEGIN_TEST(pack1, "create a packfile from all the loose rn a repo")
/* Ensure the packed-refs file exists */
must_pass(git_buf_joinpath(&temp_path, repo->path_repository, GIT_PACKEDREFS_FILE));
must_pass(git_path_exists(temp_path.ptr));
must_be_true(git_path_exists(temp_path.ptr));
/* Ensure the known ref can still be looked up but is now packed */
must_pass(git_reference_lookup(&reference, repo, loose_tag_ref_name));
@ -539,7 +538,7 @@ BEGIN_TEST(pack1, "create a packfile from all the loose rn a repo")
/* Ensure the known ref has been removed from the loose folder structure */
must_pass(git_buf_joinpath(&temp_path, repo->path_repository, loose_tag_ref_name));
must_pass(!git_path_exists(temp_path.ptr));
must_be_true(!git_path_exists(temp_path.ptr));
close_temp_repo(repo);
@ -557,7 +556,7 @@ BEGIN_TEST(rename0, "rename a loose reference")
/* Ensure the ref doesn't exist on the file system */
must_pass(git_buf_joinpath(&temp_path, repo->path_repository, new_name));
must_pass(!git_path_exists(temp_path.ptr));
must_be_true(!git_path_exists(temp_path.ptr));
/* Retrieval of the reference to rename */
must_pass(git_reference_lookup(&looked_up_ref, repo, loose_tag_ref_name));
@ -582,7 +581,7 @@ BEGIN_TEST(rename0, "rename a loose reference")
/* ...and the ref can be found in the file system */
must_pass(git_buf_joinpath(&temp_path, repo->path_repository, new_name));
must_pass(git_path_exists(temp_path.ptr));
must_be_true(git_path_exists(temp_path.ptr));
close_temp_repo(repo);
@ -601,7 +600,7 @@ BEGIN_TEST(rename1, "rename a packed reference (should make it loose)")
/* Ensure the ref doesn't exist on the file system */
must_pass(git_buf_joinpath(&temp_path, repo->path_repository, packed_head_name));
must_pass(!git_path_exists(temp_path.ptr));
must_be_true(!git_path_exists(temp_path.ptr));
/* The reference can however be looked-up... */
must_pass(git_reference_lookup(&looked_up_ref, repo, packed_head_name));
@ -626,7 +625,7 @@ BEGIN_TEST(rename1, "rename a packed reference (should make it loose)")
/* ...and the ref now happily lives in the file system */
must_pass(git_buf_joinpath(&temp_path, repo->path_repository, brand_new_name));
must_pass(git_path_exists(temp_path.ptr));
must_be_true(git_path_exists(temp_path.ptr));
close_temp_repo(repo);
@ -645,7 +644,7 @@ BEGIN_TEST(rename2, "renaming a packed reference does not pack another reference
/* Ensure the other reference exists on the file system */
must_pass(git_buf_joinpath(&temp_path, repo->path_repository, packed_test_head_name));
must_pass(git_path_exists(temp_path.ptr));
must_be_true(git_path_exists(temp_path.ptr));
/* Lookup the other reference */
must_pass(git_reference_lookup(&another_looked_up_ref, repo, packed_test_head_name));
@ -670,7 +669,7 @@ BEGIN_TEST(rename2, "renaming a packed reference does not pack another reference
must_be_true(git_reference_is_packed(another_looked_up_ref) == 0);
/* Ensure the other ref still exists on the file system */
must_pass(git_path_exists(temp_path.ptr));
must_be_true(git_path_exists(temp_path.ptr));
close_temp_repo(repo);
@ -857,6 +856,18 @@ BEGIN_TEST(rename8, "can be renamed to a new name prefixed with the old name")
END_TEST
BEGIN_TEST(rename9, "can move a reference to a upper reference hierarchy")
/*
* I'm killing this test because it adds a shitton of complexity
* to the reference renaming code for an use case which I'd consider
* "clinically stupid".
*
* If somebody shows me a workflow which involves turning a reference
* into a folder with its same name, we'll bring back the ridiculous
* logic.
*
* -Vicent
*/
#if 0
git_reference *ref, *ref_two, *looked_up_ref;
git_repository *repo;
git_oid id;
@ -888,6 +899,7 @@ BEGIN_TEST(rename9, "can move a reference to a upper reference hierarchy")
git_reference_free(looked_up_ref);
close_temp_repo(repo);
#endif
END_TEST
BEGIN_TEST(delete0, "deleting a ref which is both packed and loose should remove both tracks in the filesystem")
@ -899,7 +911,7 @@ BEGIN_TEST(delete0, "deleting a ref which is both packed and loose should remove
/* Ensure the loose reference exists on the file system */
must_pass(git_buf_joinpath(&temp_path, repo->path_repository, packed_test_head_name));
must_pass(git_path_exists(temp_path.ptr));
must_be_true(git_path_exists(temp_path.ptr));
/* Lookup the reference */
must_pass(git_reference_lookup(&looked_up_ref, repo, packed_test_head_name));
@ -914,7 +926,7 @@ BEGIN_TEST(delete0, "deleting a ref which is both packed and loose should remove
must_fail(git_reference_lookup(&another_looked_up_ref, repo, packed_test_head_name));
/* Ensure the loose reference doesn't exist any longer on the file system */
must_pass(!git_path_exists(temp_path.ptr));
must_be_true(!git_path_exists(temp_path.ptr));
close_temp_repo(repo);

2
tests/t12-repo.c
View File

@ -68,7 +68,7 @@ static int write_file(const char *path, const char *content)
int error;
git_file file;
if (git_path_exists(path) == GIT_SUCCESS) {
if (git_path_exists(path) == true) {
error = p_unlink(path);
if (error < GIT_SUCCESS)

10
tests/test_helpers.c
View File

@ -239,7 +239,7 @@ static int copy_filesystem_element_recurs(void *_data, git_buf *source)
git_buf_truncate(&data->dst, data->dst_baselen);
git_buf_puts(&data->dst, source->ptr + data->src_baselen);
if (git_path_isdir(source->ptr) == GIT_SUCCESS)
if (git_path_isdir(source->ptr) == true)
return git_path_direach(source, copy_filesystem_element_recurs, _data);
else
return copy_file(source->ptr, data->dst.ptr);
@ -253,8 +253,8 @@ int copydir_recurs(
copydir_data data = { GIT_BUF_INIT, 0, GIT_BUF_INIT, 0 };
/* Source has to exist, Destination hast to _not_ exist */
if (git_path_isdir(source_directory_path) != GIT_SUCCESS ||
git_path_isdir(destination_directory_path) == GIT_SUCCESS)
if (git_path_isdir(source_directory_path) == false ||
git_path_isdir(destination_directory_path) == true)
return GIT_EINVALIDPATH;
git_buf_joinpath(&data.src, source_directory_path, "");
@ -299,7 +299,7 @@ static int remove_placeholders_recurs(void *_data, git_buf *path)
remove_data *data = (remove_data *)_data;
size_t pathlen;
if (!git_path_isdir(path->ptr))
if (git_path_isdir(path->ptr) == true)
return git_path_direach(path, remove_placeholders_recurs, data);
pathlen = path->size;
@ -322,7 +322,7 @@ int remove_placeholders(const char *directory_path, const char *filename)
remove_data data;
git_buf buffer = GIT_BUF_INIT;
if (git_path_isdir(directory_path))
if (git_path_isdir(directory_path) == false)
return GIT_EINVALIDPATH;
if ((error = git_buf_sets(&buffer, directory_path)) < GIT_SUCCESS)