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Use PBD::FdFileDescriptor in PBD::copy_file

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This commit is contained in:
Tim Mayberry 2014-06-25 11:01:33 +10:00 committed by Paul Davis
parent 8da304be09
commit 31bceb7570
1 changed files with 16 additions and 42 deletions
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58
libs/pbd/file_utils.cc
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@ -50,6 +50,7 @@
#endif
#include "pbd/compose.h"
#include "pbd/file_manager.h"
#include "pbd/file_utils.h"
#include "pbd/debug.h"
#include "pbd/error.h"
@ -276,32 +277,24 @@ find_files_matching_filter (vector<string>& result,
run_functor_for_paths (result, paths, filter, arg, true, pass_fullpath, return_fullpath, recurse);
}
#ifdef PLATFORM_WINDOWS
#define WRITE_FLAGS O_RDWR | O_CREAT | O_BINARY
#define READ_FLAGS O_RDONLY | O_BINARY
#else
#define WRITE_FLAGS O_RDWR | O_CREAT
#define READ_FLAGS O_RDONLY
#endif
bool
copy_file(const std::string & from_path, const std::string & to_path)
{
if (!Glib::file_test (from_path, Glib::FILE_TEST_EXISTS)) return false;
int fd_from = -1;
int fd_to = -1;
FdFileDescriptor from_file(from_path, false, 0444);
FdFileDescriptor to_file(to_path, true, 0666);
int fd_from = from_file.allocate ();
int fd_to = to_file.allocate ();
char buf[4096]; // BUFSIZ ??
ssize_t nread;
fd_from = g_open(from_path.c_str(), READ_FLAGS, 0444);
if (fd_from < 0) {
goto copy_error;
}
fd_to = g_open(to_path.c_str(), WRITE_FLAGS, 0666);
if (fd_to < 0) {
goto copy_error;
if ((fd_from < 0) || (fd_to < 0)) {
error << string_compose (_("Unable to Open files %1 to %2 for Copying(%3)"),
from_path, to_path, g_strerror(errno))
<< endmsg;
return false;
}
while (nread = ::read(fd_from, buf, sizeof(buf)), nread > 0) {
@ -312,34 +305,15 @@ copy_file(const std::string & from_path, const std::string & to_path)
nread -= nwritten;
out_ptr += nwritten;
} else if (errno != EINTR) {
goto copy_error;
error << string_compose (_("Unable to Copy files %1 to %2(%3)"),
from_path, to_path, g_strerror(errno))
<< endmsg;
return false;
}
} while (nread > 0);
}
if (nread == 0) {
if (::close(fd_to)) {
fd_to = -1;
goto copy_error;
}
::close(fd_from);
return true;
}
copy_error:
int saved_errno = errno;
if (fd_from >= 0) {
::close(fd_from);
}
if (fd_to >= 0) {
::close(fd_to);
}
error << string_compose (_("Unable to Copy file %1 to %2 (%3)"),
from_path, to_path, strerror(saved_errno))
<< endmsg;
return false;
return true;
}
void