/* Paste a directory to a new location. Designed to be called by
clipboard_paste */
static bool clipboard_pastedirectory(char *src, int srclen, char *target,
int targetlen, bool copy)
{
DIR *srcdir;
int srcdirlen = strlen(src);
int targetdirlen = strlen(target);
bool result = true;
if (!file_exists(target)) {
if (!copy) {
/* Just move the directory */
result = rename(src, target) == 0;
#ifdef HAVE_MULTIVOLUME
if (!result && errno == EXDEV) {
/* Try a copy as we're going across devices */
result = clipboard_pastedirectory(src, srclen, target,
targetlen, true);
/* If it worked, remove the source directory */
if (result) {
remove_dir(src, srclen);
}
}
#endif
return result;
} else {
/* Make a directory to copy things to */
result = mkdir(target) == 0;
}
}
/* Check if something went wrong already */
if (!result) {
return result;
}
srcdir = opendir(src);
if (!srcdir) {
return false;
}
/* This loop will exit as soon as there's a problem */
while(result)
{
struct dirent* entry;
/* walk through the directory content */
entry = readdir(srcdir);
if (!entry)
break;
struct dirinfo info = dir_get_info(srcdir, entry);
/* append name to current directory */
snprintf(src+srcdirlen, srclen-srcdirlen, "/%s", entry->d_name);
snprintf(target+targetdirlen, targetlen-targetdirlen, "/%s",
entry->d_name);
DEBUGF("Copy %s to %s\n", src, target);
if (info.attribute & ATTR_DIRECTORY)
{ /* copy/move a subdirectory */
if (!strcmp((char *)entry->d_name, ".") ||
!strcmp((char *)entry->d_name, ".."))
continue; /* skip these */
result = clipboard_pastedirectory(src, srclen, target, targetlen,
copy); /* recursion */
}
else
{ /* copy/move a file */
draw_slider();
result = clipboard_pastefile(src, target, copy);
}
}
closedir(srcdir);
if (result) {
src[srcdirlen] = '\0'; /* terminate to original length */
target[targetdirlen] = '\0'; /* terminate to original length */
}
return result;
}
bool knob::on_motion_notify_event (GdkEventMotion *event)
{
if (drag==true) { draw_slider(event->x,event->y); }
return TRUE;
}
/* Paste a file to a new directory. Will overwrite always. */
static bool clipboard_pastefile(const char *src, const char *target, bool copy)
{
int src_fd, target_fd;
size_t buffersize;
ssize_t size, bytesread, byteswritten;
char *buffer;
bool result = false;
if (copy) {
/* See if we can get the plugin buffer for the file copy buffer */
buffer = (char *) plugin_get_buffer(&buffersize);
if (buffer == NULL || buffersize < 512) {
/* Not large enough, try for a disk sector worth of stack
instead */
buffersize = 512;
buffer = (char *) __builtin_alloca(buffersize);
}
if (buffer == NULL) {
return false;
}
buffersize &= ~0x1ff; /* Round buffer size to multiple of sector
size */
src_fd = open(src, O_RDONLY);
if (src_fd >= 0) {
target_fd = creat(target, 0666);
if (target_fd >= 0) {
result = true;
size = filesize(src_fd);
if (size == -1) {
result = false;
}
while(size > 0) {
bytesread = read(src_fd, buffer, buffersize);
if (bytesread == -1) {
result = false;
break;
}
size -= bytesread;
while(bytesread > 0) {
byteswritten = write(target_fd, buffer, bytesread);
if (byteswritten < 0) {
result = false;
size = 0;
break;
}
bytesread -= byteswritten;
draw_slider();
}
}
close(target_fd);
/* Copy failed. Cleanup. */
if (!result) {
remove(target);
}
}
close(src_fd);
}
} else {
result = rename(src, target) == 0;
#ifdef HAVE_MULTIVOLUME
if (!result) {
if (errno == EXDEV) {
/* Failed because cross volume rename doesn't work. Copy
instead */
result = clipboard_pastefile(src, target, true);
if (result) {
result = remove(src) == 0;
}
}
}
#endif
}
return result;
}