changed qse_fs_cpfile() to copy a directory that has been copied already

This commit is contained in:
2016-12-18 17:12:21 +00:00
parent 662fdec270
commit cf0956cad6
7 changed files with 265 additions and 113 deletions

View File

@ -35,6 +35,13 @@
#define CPFILE_DST_ATTR (1 << 29)
#define CPFILE_DST_FSPATH_MERGED (1 << 30)
struct devino_t
{
qse_uintmax_t dev;
qse_uintmax_t ino;
};
typedef struct devino_t devino_t;
struct cpfile_t
{
int flags;
@ -42,9 +49,63 @@ struct cpfile_t
qse_fs_char_t* dst_fspath;
qse_fs_attr_t src_attr;
qse_fs_attr_t dst_attr;
};
typedef struct cpfile_t cpfile_t;
static int is_dir_remembered (qse_fs_t* fs, qse_fs_attr_t* attr)
{
qse_size_t i;
devino_t* di;
di = (devino_t*)fs->ddr.ptr;
for (i = 0; i < fs->ddr.len; i++)
{
if (attr->dev == di->dev && attr->ino == di->ino) return 1;
}
return 0;
}
static int remember_dir_to_history (qse_fs_t* fs, qse_fs_attr_t* attr)
{
qse_size_t i;
devino_t* di;
di = (devino_t*)fs->ddr.ptr;
for (i = 0; i < fs->ddr.len; i++)
{
if (attr->dev == di->dev && attr->ino == di->ino)
{
fs->errnum = QSE_FS_EEXIST;
return -1;
}
}
/* TODO: table baded lookup instead of sequential search? */
if (fs->ddr.len >= fs->ddr.capa)
{
qse_size_t newcapa;
newcapa = QSE_ALIGNTO(fs->ddr.capa + 1, 256);
di = (devino_t*)QSE_MMGR_REALLOC (fs->mmgr, di, newcapa * QSE_SIZEOF(*di));
if (!di)
{
fs->errnum = QSE_FS_ENOMEM;
return -1;
}
fs->ddr.ptr = di;
fs->ddr.capa = newcapa;
}
di[fs->ddr.len].dev = attr->dev;
di[fs->ddr.len].ino = attr->ino;
fs->ddr.len++;
return 0;
}
static int merge_dstdir_and_srcbase (qse_fs_t* fs, cpfile_t* cpfile)
{
@ -168,7 +229,6 @@ static int copy_file_in_fs (qse_fs_t* fs, cpfile_t* cpfile)
/* ------------------------------------------------------ */
#else
if ((cpfile->flags & QSE_FS_CPFILE_SYMLINK) && cpfile->src_attr.islnk)
{
@ -196,8 +256,9 @@ static int copy_file_in_fs (qse_fs_t* fs, cpfile_t* cpfile)
{
if (cpfile->flags & QSE_FS_CPFILE_FORCE)
{
/* TODO: call cbs.rm callback??? */
QSE_UNLINK (cpfile->dst_fspath);
if (fs->cbs.actcb && qse_fs_invokecb (fs, QSE_FS_RMFILE, cpfile->dst_fspath, QSE_NULL, 0, 0) <= -1) goto oops_1;
if (QSE_SYMLINK (tmpbuf, cpfile->dst_fspath) <= -1)
{
fs->errnum = qse_fs_syserrtoerrnum (fs, errno);
@ -205,25 +266,7 @@ static int copy_file_in_fs (qse_fs_t* fs, cpfile_t* cpfile)
}
}
}
if (fs->cbs.cp)
{
qse_char_t* srcpath = QSE_NULL, * dstpath = QSE_NULL;
int x = 1;
srcpath = (qse_char_t*)make_str_with_fspath (fs, cpfile->src_fspath);
dstpath = (qse_char_t*)make_str_with_fspath (fs, cpfile->dst_fspath);
if (srcpath && dstpath)
{
x = fs->cbs.cp (fs, srcpath, dstpath, cpfile->src_attr.size, cpfile->src_attr.size);
}
if (srcpath) free_str_with_fspath (fs, cpfile->src_fspath, srcpath);
if (dstpath) free_str_with_fspath (fs, cpfile->dst_fspath, dstpath);
if (x <= -1) goto oops_1;
}
if (fs->cbs.actcb && qse_fs_invokecb (fs, QSE_FS_SYMLINK, tmpbuf, cpfile->dst_fspath, 0, 0) <= -1) goto oops_1;
QSE_MMGR_FREE (fs->mmgr, tmpbuf);
return 0;
@ -262,7 +305,7 @@ static int copy_file_in_fs (qse_fs_t* fs, cpfile_t* cpfile)
goto oops_2;
}
if (fs->cbs.cp)
if (fs->cbs.actcb)
{
srcpath = (qse_char_t*)make_str_with_fspath (fs, cpfile->src_fspath);
dstpath = (qse_char_t*)make_str_with_fspath (fs, cpfile->dst_fspath);
@ -276,7 +319,7 @@ static int copy_file_in_fs (qse_fs_t* fs, cpfile_t* cpfile)
{
if (bytes_copied == 0 && srcpath && dstpath)
{
if (fs->cbs.cp (fs, srcpath, dstpath, cpfile->src_attr.size, bytes_copied) <= -1) goto oops_2;
if (fs->cbs.actcb (fs, QSE_FS_CPFILE, srcpath, dstpath, cpfile->src_attr.size, bytes_copied) <= -1) goto oops_2;
}
break;
}
@ -293,7 +336,7 @@ static int copy_file_in_fs (qse_fs_t* fs, cpfile_t* cpfile)
if (srcpath && dstpath)
{
if (fs->cbs.cp (fs, srcpath, dstpath, cpfile->src_attr.size, bytes_copied) <= -1) goto oops_2;
if (fs->cbs.actcb (fs, QSE_FS_CPFILE, srcpath, dstpath, cpfile->src_attr.size, bytes_copied) <= -1) goto oops_2;
/* TODO: skip, ignore, etc... */
}
}
@ -396,12 +439,6 @@ static void pop_cfs (qse_fs_t* fs, cpfile_t* cpfile, qse_dir_t** dir)
QSE_MMGR_FREE (fs->mmgr, cfs);
}
static int can_copy_dir_into (qse_fs_t* fs, cpfile_t* cpfile)
{
/* TODO: */
return 1;
}
static int copy_file (qse_fs_t* fs, cpfile_t* cpfile)
{
#if defined(NO_RECURSION)
@ -454,6 +491,16 @@ start_over:
goto oops;
}
if (is_dir_remembered (fs, &cpfile->src_attr))
{
/* skip this source directory as it's one of the destination
* directores earlier. see the call to remember_dir_to_history()
* below. */
goto skip_dir;
}
/* both the source and the destion is a directory */
dir = qse_dir_open (
fs->mmgr, 0, (const qse_char_t*)cpfile->src_fspath,
#if defined(QSE_FS_CHAR_IS_MCHAR)
@ -469,17 +516,20 @@ start_over:
goto oops;
}
/* TODO: check if the directory is beging copied into itself in advance...XXXXXXXXXXXXXXXXXXXXXX */
if (qse_fs_mkdirsys (fs, cpfile->dst_fspath) <= -1)
{
/* it's ok if the destination directory already exists */
if (fs->errnum != QSE_FS_EEXIST) goto oops;
}
if (!can_copy_dir_into (fs, cpfile))
/* (re)load the attribute. */
if (qse_fs_getattrsys (fs, cpfile->dst_fspath, &cpfile->dst_attr, QSE_FS_GETATTR_SYMLINK) <= -1) goto oops;
cpfile->flags |= CPFILE_DST_ATTR;
if (remember_dir_to_history (fs, &cpfile->dst_attr) <= -1)
{
fs->errnum = QSE_FS_EPERM;
/* if the directory has been copied once, fs->errnum should be QSE_FS_EEXIST */
if (fs->errnum == QSE_FS_EEXIST) goto close_dir;
goto oops;
}
@ -532,8 +582,12 @@ start_over:
#endif
}
close_dir:
qse_dir_close (dir);
dir = QSE_NULL;
skip_dir:
/* do nothing more */ ;
}
else
{
@ -570,6 +624,7 @@ start_over:
if (copy_file_in_fs (fs, cpfile) <= -1) goto oops;
}
skip:
#if defined(NO_RECURSION)
if (fs->cfs)
{
@ -636,6 +691,7 @@ oops:
int qse_fs_cpfilembs (qse_fs_t* fs, const qse_mchar_t* srcpath, const qse_mchar_t* dstpath, int flags)
{
glob_ctx_t ctx;
int ret = 0;
ctx.fs = fs;
ctx.flags = flags;
@ -648,10 +704,8 @@ int qse_fs_cpfilembs (qse_fs_t* fs, const qse_mchar_t* srcpath, const qse_mchar_
if (qse_globmbs (srcpath, copy_file_for_glob, &ctx, DEFAULT_GLOB_FLAGS, fs->mmgr, fs->cmgr) <= -1)
{
if (fs->errnum == QSE_FS_ENOERR) fs->errnum = QSE_FS_EGLOB;
return -1;
ret = -1;
}
return 0;
}
else
{
@ -659,13 +713,23 @@ int qse_fs_cpfilembs (qse_fs_t* fs, const qse_mchar_t* srcpath, const qse_mchar_
s.ptr = (qse_mchar_t*)srcpath;
s.len = 0; /* not important */
/* let me use the glob callback function for simplicity */
return copy_file_for_glob (&s, &ctx);
ret = copy_file_for_glob (&s, &ctx);
}
if (fs->ddr.ptr)
{
QSE_MMGR_FREE (fs->mmgr, fs->ddr.ptr);
fs->ddr.ptr = QSE_NULL;
fs->ddr.len = 0;
fs->ddr.capa = 0;
}
return ret;
}
int qse_fs_cpfilewcs (qse_fs_t* fs, const qse_wchar_t* srcpath, const qse_wchar_t* dstpath, int flags)
{
glob_ctx_t ctx;
int ret = 0;
ctx.fs = fs;
ctx.flags = flags;
@ -678,10 +742,8 @@ int qse_fs_cpfilewcs (qse_fs_t* fs, const qse_wchar_t* srcpath, const qse_wchar_
if (qse_globwcs (srcpath, copy_file_for_glob, &ctx, DEFAULT_GLOB_FLAGS, fs->mmgr, fs->cmgr) <= -1)
{
if (fs->errnum == QSE_FS_ENOERR) fs->errnum = QSE_FS_EGLOB;
return -1;
ret = -1;
}
return 0;
}
else
{
@ -689,6 +751,16 @@ int qse_fs_cpfilewcs (qse_fs_t* fs, const qse_wchar_t* srcpath, const qse_wchar_
qse_wcstr_t s;
s.ptr = (qse_wchar_t*)srcpath;
s.len = 0; /* not important */
return copy_file_for_glob (&s, &ctx);
ret = copy_file_for_glob (&s, &ctx);
}
if (fs->ddr.ptr)
{
QSE_MMGR_FREE (fs->mmgr, fs->ddr.ptr);
fs->ddr.ptr = QSE_NULL;
fs->ddr.len = 0;
fs->ddr.capa = 0;
}
return ret;
}

View File

@ -127,10 +127,10 @@ static int delete_file (qse_fs_t* fs, const qse_char_t* path, int purge)
qse_fs_char_t* fspath;
int ret;
if (fs->cbs.rm)
if (fs->cbs.actcb)
{
int x;
x = fs->cbs.rm (fs, path);
x = fs->cbs.actcb (fs, QSE_FS_RMFILE, path, QSE_NULL, 0, 0);
if (x <= -1) return -1;
if (x == 0) return 0; /* skipped */
}
@ -184,10 +184,10 @@ static int delete_directory_nocbs (qse_fs_t* fs, const qse_char_t* path)
static int delete_directory (qse_fs_t* fs, const qse_char_t* path)
{
if (fs->cbs.rm)
if (fs->cbs.actcb)
{
int x;
x = fs->cbs.rm (fs, path);
x = fs->cbs.actcb (fs, QSE_FS_RMDIR, path, QSE_NULL, 0, 0);
if (x <= -1) return -1;
if (x == 0) return 0; /* skipped */
}
@ -276,70 +276,51 @@ static int purge_path (qse_fs_t* fs, const qse_char_t* path)
static int delete_from_fs_with_mbs (qse_fs_t* fs, const qse_mchar_t* path, int dir)
{
qse_fs_char_t* fspath;
int ret;
int ret = 0;
fspath = qse_fs_makefspathformbs (fs, path);
if (!fspath) return -1;
if (fs->cbs.rm)
if (fs->cbs.actcb)
{
qse_char_t* xpath;
int x;
xpath = (qse_char_t*)make_str_with_mbs (fs, path);
if (!xpath)
{
fs->errnum = QSE_FS_ENOMEM;
return -1;
}
x = qse_fs_invokecb (fs, (dir? QSE_FS_RMDIR: QSE_FS_RMFILE), fspath, QSE_NULL, 0, 0);
x = fs->cbs.rm (fs, xpath);
free_str_with_mbs (fs, path, xpath);
if (x <= -1) return -1;
if (x == 0) return 0; /* skipped */
if (x <= -1) { ret = -1; goto done; }
if (x == 0) goto done; /* skipped */
}
ret = dir? qse_fs_rmdirsys (fs, fspath):
qse_fs_rmfilesys (fs, fspath);
done:
qse_fs_freefspathformbs (fs, path, fspath);
return ret;
}
static int delete_from_fs_with_wcs (qse_fs_t* fs, const qse_wchar_t* path, int dir)
{
qse_fs_char_t* fspath;
int ret;
if (fs->cbs.rm)
{
qse_char_t* xpath;
int x;
xpath = (qse_char_t*)make_str_with_wcs (fs, path);
if (!xpath)
{
fs->errnum = QSE_FS_ENOMEM;
return -1;
}
x = fs->cbs.rm (fs, xpath);
free_str_with_wcs (fs, path, xpath);
if (x <= -1) return -1;
if (x == 0) return 0; /* skipped */
}
int ret = 0;
fspath = qse_fs_makefspathforwcs (fs, path);
if (!fspath) return -1;
if (fs->cbs.actcb)
{
int x;
x = qse_fs_invokecb (fs, (dir? QSE_FS_RMDIR: QSE_FS_RMFILE), fspath, QSE_NULL, 0, 0);
if (x <= -1) { ret = -1; goto done; }
if (x == 0) goto done; /* skipped */
}
ret = dir? qse_fs_rmdirsys (fs, fspath):
qse_fs_rmfilesys (fs, fspath);
done:
qse_fs_freefspathforwcs (fs, path, fspath);
return ret;

View File

@ -192,6 +192,16 @@ int qse_fs_rmdirsys (
const qse_fs_char_t* fspath
);
int qse_fs_invokecb (
qse_fs_t* fs,
qse_fs_action_t action,
qse_fs_char_t* src_fspath,
qse_fs_char_t* dst_fspath,
qse_uintmax_t bytes_total,
qse_uintmax_t bytes_done
);
#if defined(__cplusplus)
}
#endif

View File

@ -823,3 +823,35 @@ void qse_fs_freefspathforwcs (qse_fs_t* fs, const qse_wchar_t* path, qse_fs_char
}
int qse_fs_invokecb (qse_fs_t* fs, qse_fs_action_t action, qse_fs_char_t* src_fspath, qse_fs_char_t* dst_fspath, qse_uintmax_t bytes_total, qse_uintmax_t bytes_done)
{
qse_char_t* srcpath = QSE_NULL, * dstpath = QSE_NULL;
int x = 1;
if (src_fspath)
{
srcpath = (qse_char_t*)make_str_with_fspath (fs, src_fspath);
if (!srcpath)
{
x = -1;
goto done;
}
}
if (dst_fspath)
{
dstpath = (qse_char_t*)make_str_with_fspath (fs, dst_fspath);
if (!dstpath)
{
x = -1;
goto done;
}
}
x = fs->cbs.actcb (fs, action, srcpath, dstpath, bytes_total, bytes_done);
done:
if (srcpath) free_str_with_fspath (fs, cpfile->src_fspath, srcpath);
if (dstpath) free_str_with_fspath (fs, cpfile->dst_fspath, dstpath);
return x;
}