93 lines
2.7 KiB
C
93 lines
2.7 KiB
C
/*
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* Copyright (c) 2012-2013 Spotify AB
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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#include <stdio.h>
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#include <string.h>
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#include "util.h"
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#include "sparkey.h"
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#include <stdlib.h>
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#include <errno.h>
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sparkey_returncode sparkey_open_returncode(int e) {
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switch (e) {
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case EPERM:
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case EACCES: return SPARKEY_PERMISSION_DENIED;
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case ENFILE: return SPARKEY_TOO_MANY_OPEN_FILES;
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case ENOENT: return SPARKEY_FILE_NOT_FOUND;
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case EOVERFLOW: return SPARKEY_FILE_TOO_LARGE;
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default:
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fprintf(stderr, "_sparkey_open_returncode():%d error: errno = %d\n", __LINE__, e);
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return SPARKEY_INTERNAL_ERROR;
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}
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}
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sparkey_returncode sparkey_create_returncode(int e) {
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switch (e) {
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case EPERM:
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case EROFS:
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case EACCES: return SPARKEY_PERMISSION_DENIED;
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case EEXIST: return SPARKEY_FILE_ALREADY_EXISTS;
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case EISDIR: return SPARKEY_FILE_IS_DIRECTORY;
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case ENFILE:
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case EMFILE: return SPARKEY_TOO_MANY_OPEN_FILES;
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default:
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fprintf(stderr, "_sparkey_create_returncode():%d error: errno = %d\n", __LINE__, e);
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return SPARKEY_INTERNAL_ERROR;
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}
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}
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sparkey_returncode sparkey_remove_returncode(int e) {
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switch (e) {
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case EPERM:
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case EROFS:
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case EACCES: return SPARKEY_PERMISSION_DENIED;
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case EBUSY: return SPARKEY_FILE_BUSY; // Can't happen on linux
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case EISDIR: return SPARKEY_FILE_IS_DIRECTORY;
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case EOVERFLOW: return SPARKEY_FILE_TOO_LARGE;
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default:
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fprintf(stderr, "_sparkey_remove_returncode():%d error: errno = %d\n", __LINE__, e);
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return SPARKEY_INTERNAL_ERROR;
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}
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}
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static inline char * _create_filename(const char *input, const char *from, char to) {
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if (input == NULL) return NULL;
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size_t l = strlen(input);
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// Paranoia - avoid ridiculously long filenames.
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if (l > 10000) return NULL;
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// Too short to contain from
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if (l < strlen(from)) return NULL;
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if (memcmp(&input[l - strlen(from)], from, strlen(from))) return NULL;
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char *output = strdup(input);
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if (output == NULL) return NULL;
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output[l - 1] = to;
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return output;
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}
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char * sparkey_create_log_filename(const char *index_filename) {
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return _create_filename(index_filename, ".spi", 'l');
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}
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char * sparkey_create_index_filename(const char *log_filename) {
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return _create_filename(log_filename, ".spl", 'i');
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}
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