int os_copy_no_clobber(const char *source_path, const char *dest_dir,
const char *prefix, const char *dest_extension,
ByteBuffer &out_path, Sha256Hasher *hasher)
{
ByteBuffer dir_plus_prefix;
os_path_join(dir_plus_prefix, dest_dir, prefix);
ByteBuffer full_path;
int out_fd;
for (int counter = 0;; counter += 1) {
full_path = dir_plus_prefix;
if (counter != 0) {
ByteBuffer counter_buf;
counter_buf.format("%d", counter);
full_path.append(counter_buf);
}
full_path.append(dest_extension);
out_fd = open(full_path.raw(), O_CREAT|O_WRONLY|O_EXCL, 0660);
if (out_fd == -1) {
if (errno == EEXIST) {
continue;
} else if (errno == ENOMEM) {
return GenesisErrorNoMem;
} else {
return GenesisErrorFileAccess;
}
}
break;
}
FILE *out_f = fdopen(out_fd, "wb");
if (!out_f) {
close(out_fd);
os_delete(full_path.raw());
return GenesisErrorNoMem;
}
FILE *in_f = fopen(source_path, "rb");
if (!in_f) {
fclose(out_f);
os_delete(full_path.raw());
return GenesisErrorFileAccess;
}
int err;
if ((err = copy_open_files(in_f, out_f, hasher))) {
fclose(in_f);
fclose(out_f);
os_delete(full_path.raw());
return err;
}
out_path = full_path;
return 0;
}
int os_copy(const char *source_path, const char *dest_path, Sha256Hasher *hasher) {
FILE *in_f = fopen(source_path, "rb");
if (!in_f)
return GenesisErrorFileAccess;
FILE *out_f = fopen(dest_path, "wb");
if (!out_f) {
fclose(in_f);
return GenesisErrorFileAccess;
}
int err;
if ((err = copy_open_files(in_f, out_f, hasher))) {
fclose(in_f);
fclose(out_f);
os_delete(dest_path);
return err;
}
return 0;
}
/* RMBIN -- Remove all binaries in a directory or in a directory tree.
* We chdir to each directory to minimize path searches.
*/
static void
rmbin (
char *dir,
int recurse,
char *path /* pathname of current directory */
)
{
char newpath[SZ_PATHNAME+1];
char fname[SZ_PATHNAME+1];
int dp, ftype;
if ((dp = os_diropen (dir)) == ERR) {
fprintf (stderr, "cannot open directory `%s'\n", dir);
fflush (stderr);
return;
}
sprintf (newpath, "%s%s/", path, dir);
/* Descend into the subdirectory.
*/
if (strcmp (dir, ".") != 0)
if (os_chdir (dir) == ERR) {
os_dirclose (dp);
fprintf (stderr, "cannot change directory to `%s'\n", newpath);
fflush (stderr);
return;
}
/* Scan through the directory.
*/
while (os_gfdir (dp, fname, SZ_PATHNAME) > 0) {
if (os_symlink (fname, 0, 0))
continue;
if ((ftype = os_filetype (fname)) == DIRECTORY_FILE)
rmbin (fname, recurse, newpath);
else {
if (only[0] != NULL) {
if (exclude_file (fname))
continue;
} else if (ftype != BINARY_FILE || exclude_file (fname))
continue;
/* We have a binary file which is not excluded from deletion
* by its extension, so delete it.
*/
if (interactive && (verify_delete (fname, newpath) == NO))
continue;
if (verbose) {
printf ("%s%s\n", newpath, fname);
fflush (stdout);
}
if (execute)
if (os_delete (fname) == ERR) {
fprintf (stderr, "cannot delete `%s'\n", fname);
fflush (stderr);
}
}
}
/* Return from the subdirectory.
*/
if (strcmp (dir, ".") != 0)
if (os_chdir ("..") == ERR) {
fprintf (stderr, "cannot return from subdirectory `%s'\n",
newpath);
fflush (stderr);
}
os_dirclose (dp);
}
