util/Error: new error passing library

Replaces GLib's GError.
This commit is contained in:
Max Kellermann
2013-08-10 18:02:44 +02:00
parent c9fcc7f148
commit 29030b54c9
256 changed files with 3269 additions and 3371 deletions

View File

@@ -30,6 +30,8 @@
#include "InputStream.hxx"
#include "InputPlugin.hxx"
#include "util/RefCount.hxx"
#include "util/Error.hxx"
#include "util/Domain.hxx"
#include <stdint.h>
#include <stddef.h>
@@ -85,7 +87,7 @@ public:
virtual input_stream *OpenStream(const char *path,
Mutex &mutex, Cond &cond,
GError **error_r) override;
Error &error) override;
};
struct Bzip2InputStream {
@@ -103,12 +105,14 @@ struct Bzip2InputStream {
Mutex &mutex, Cond &cond);
~Bzip2InputStream();
bool Open(GError **error_r);
bool Open(Error &error);
void Close();
};
extern const struct input_plugin bz2_inputplugin;
static constexpr Domain bz2_domain("bz2");
static inline GQuark
bz2_quark(void)
{
@@ -118,7 +122,7 @@ bz2_quark(void)
/* single archive handling allocation helpers */
inline bool
Bzip2InputStream::Open(GError **error_r)
Bzip2InputStream::Open(Error &error)
{
bzstream.bzalloc = nullptr;
bzstream.bzfree = nullptr;
@@ -129,8 +133,8 @@ Bzip2InputStream::Open(GError **error_r)
int ret = BZ2_bzDecompressInit(&bzstream, 0, 0);
if (ret != BZ_OK) {
g_set_error(error_r, bz2_quark(), ret,
"BZ2_bzDecompressInit() has failed");
error.Set(bz2_domain, ret,
"BZ2_bzDecompressInit() has failed");
return false;
}
@@ -147,11 +151,11 @@ Bzip2InputStream::Close()
/* archive open && listing routine */
static ArchiveFile *
bz2_open(const char *pathname, GError **error_r)
bz2_open(const char *pathname, Error &error)
{
static Mutex mutex;
static Cond cond;
input_stream *is = input_stream_open(pathname, mutex, cond, error_r);
input_stream *is = input_stream_open(pathname, mutex, cond, error);
if (is == nullptr)
return nullptr;
@@ -176,10 +180,10 @@ Bzip2InputStream::~Bzip2InputStream()
input_stream *
Bzip2ArchiveFile::OpenStream(const char *path,
Mutex &mutex, Cond &cond,
GError **error_r)
Error &error)
{
Bzip2InputStream *bis = new Bzip2InputStream(*this, path, mutex, cond);
if (!bis->Open(error_r)) {
if (!bis->Open(error)) {
delete bis;
return NULL;
}
@@ -197,7 +201,7 @@ bz2_is_close(struct input_stream *is)
}
static bool
bz2_fillbuffer(Bzip2InputStream *bis, GError **error_r)
bz2_fillbuffer(Bzip2InputStream *bis, Error &error)
{
size_t count;
bz_stream *bzstream;
@@ -209,7 +213,7 @@ bz2_fillbuffer(Bzip2InputStream *bis, GError **error_r)
count = input_stream_read(bis->archive->istream,
bis->buffer, sizeof(bis->buffer),
error_r);
error);
if (count == 0)
return false;
@@ -220,7 +224,7 @@ bz2_fillbuffer(Bzip2InputStream *bis, GError **error_r)
static size_t
bz2_is_read(struct input_stream *is, void *ptr, size_t length,
GError **error_r)
Error &error)
{
Bzip2InputStream *bis = (Bzip2InputStream *)is;
bz_stream *bzstream;
@@ -235,7 +239,7 @@ bz2_is_read(struct input_stream *is, void *ptr, size_t length,
bzstream->avail_out = length;
do {
if (!bz2_fillbuffer(bis, error_r))
if (!bz2_fillbuffer(bis, error))
return 0;
bz_result = BZ2_bzDecompress(bzstream);
@@ -246,8 +250,8 @@ bz2_is_read(struct input_stream *is, void *ptr, size_t length,
}
if (bz_result != BZ_OK) {
g_set_error(error_r, bz2_quark(), bz_result,
"BZ2_bzDecompress() has failed");
error.Set(bz2_domain, bz_result,
"BZ2_bzDecompress() has failed");
return 0;
}
} while (bzstream->avail_out == length);

View File

@@ -30,6 +30,8 @@
#include "InputStream.hxx"
#include "InputPlugin.hxx"
#include "util/RefCount.hxx"
#include "util/Error.hxx"
#include "util/Domain.hxx"
#include <cdio/cdio.h>
#include <cdio/iso9660.h>
@@ -69,16 +71,12 @@ public:
virtual input_stream *OpenStream(const char *path,
Mutex &mutex, Cond &cond,
GError **error_r) override;
Error &error) override;
};
extern const struct input_plugin iso9660_input_plugin;
static inline GQuark
iso9660_quark(void)
{
return g_quark_from_static_string("iso9660");
}
static constexpr Domain iso9660_domain("iso9660");
/* archive open && listing routine */
@@ -115,13 +113,13 @@ Iso9660ArchiveFile::Visit(const char *psz_path, ArchiveVisitor &visitor)
}
static ArchiveFile *
iso9660_archive_open(const char *pathname, GError **error_r)
iso9660_archive_open(const char *pathname, Error &error)
{
/* open archive */
auto iso = iso9660_open(pathname);
if (iso == nullptr) {
g_set_error(error_r, iso9660_quark(), 0,
"Failed to open ISO9660 file %s", pathname);
error.Format(iso9660_domain,
"Failed to open ISO9660 file %s", pathname);
return NULL;
}
@@ -166,12 +164,12 @@ struct Iso9660InputStream {
input_stream *
Iso9660ArchiveFile::OpenStream(const char *pathname,
Mutex &mutex, Cond &cond,
GError **error_r)
Error &error)
{
auto statbuf = iso9660_ifs_stat_translate(iso, pathname);
if (statbuf == nullptr) {
g_set_error(error_r, iso9660_quark(), 0,
"not found in the ISO file: %s", pathname);
error.Format(iso9660_domain,
"not found in the ISO file: %s", pathname);
return NULL;
}
@@ -191,7 +189,8 @@ iso9660_input_close(struct input_stream *is)
static size_t
iso9660_input_read(struct input_stream *is, void *ptr, size_t size, GError **error_r)
iso9660_input_read(struct input_stream *is, void *ptr, size_t size,
Error &error)
{
Iso9660InputStream *iis = (Iso9660InputStream *)is;
int toread, readed = 0;
@@ -215,9 +214,9 @@ iso9660_input_read(struct input_stream *is, void *ptr, size_t size, GError **err
iis->statbuf->lsn + cur_block, no_blocks);
if (readed != no_blocks * ISO_BLOCKSIZE) {
g_set_error(error_r, iso9660_quark(), 0,
"error reading ISO file at lsn %lu",
(long unsigned int) cur_block);
error.Format(iso9660_domain,
"error reading ISO file at lsn %lu",
(unsigned long)cur_block);
return 0;
}
if (left_bytes < size) {

View File

@@ -30,9 +30,11 @@
#include "InputStream.hxx"
#include "InputPlugin.hxx"
#include "util/RefCount.hxx"
#include "util/Error.hxx"
#include "util/Domain.hxx"
#include <zzip/zzip.h>
#include <glib.h>
#include <string.h>
class ZzipArchiveFile final : public ArchiveFile {
@@ -61,26 +63,22 @@ public:
virtual input_stream *OpenStream(const char *path,
Mutex &mutex, Cond &cond,
GError **error_r) override;
Error &error) override;
};
extern const struct input_plugin zzip_input_plugin;
static inline GQuark
zzip_quark(void)
{
return g_quark_from_static_string("zzip");
}
static constexpr Domain zzip_domain("zzip");
/* archive open && listing routine */
static ArchiveFile *
zzip_archive_open(const char *pathname, GError **error_r)
zzip_archive_open(const char *pathname, Error &error)
{
ZZIP_DIR *dir = zzip_dir_open(pathname, NULL);
if (dir == nullptr) {
g_set_error(error_r, zzip_quark(), 0,
"Failed to open ZIP file %s", pathname);
error.Format(zzip_domain, "Failed to open ZIP file %s",
pathname);
return NULL;
}
@@ -133,12 +131,12 @@ struct ZzipInputStream {
input_stream *
ZzipArchiveFile::OpenStream(const char *pathname,
Mutex &mutex, Cond &cond,
GError **error_r)
Error &error)
{
ZZIP_FILE *_file = zzip_file_open(dir, pathname, 0);
if (_file == nullptr) {
g_set_error(error_r, zzip_quark(), 0,
"not found in the ZIP file: %s", pathname);
error.Format(zzip_domain, "not found in the ZIP file: %s",
pathname);
return NULL;
}
@@ -159,15 +157,14 @@ zzip_input_close(struct input_stream *is)
static size_t
zzip_input_read(struct input_stream *is, void *ptr, size_t size,
GError **error_r)
Error &error)
{
ZzipInputStream *zis = (ZzipInputStream *)is;
int ret;
ret = zzip_file_read(zis->file, ptr, size);
if (ret < 0) {
g_set_error(error_r, zzip_quark(), ret,
"zzip_file_read() has failed");
error.Set(zzip_domain, "zzip_file_read() has failed");
return 0;
}
@@ -186,13 +183,12 @@ zzip_input_eof(struct input_stream *is)
static bool
zzip_input_seek(struct input_stream *is,
goffset offset, int whence, GError **error_r)
goffset offset, int whence, Error &error)
{
ZzipInputStream *zis = (ZzipInputStream *)is;
zzip_off_t ofs = zzip_seek(zis->file, offset, whence);
if (ofs != -1) {
g_set_error(error_r, zzip_quark(), ofs,
"zzip_seek() has failed");
error.Set(zzip_domain, "zzip_seek() has failed");
is->offset = ofs;
return true;
}