[geodb] Adding sparkey dependency

src/sparkey/util.c

@@ -0,0 +1,92 @@
+/*
+* Copyright (c) 2012-2013 Spotify AB
+*
+* Licensed under the Apache License, Version 2.0 (the "License"); you may not
+* use this file except in compliance with the License. You may obtain a copy of
+* the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+* License for the specific language governing permissions and limitations under
+* the License.
+*/
+#include <stdio.h>
+#include <string.h>
+
+#include "util.h"
+#include "sparkey.h"
+
+#include <stdlib.h>
+#include <errno.h>
+
+sparkey_returncode sparkey_open_returncode(int e) {
+  switch (e) {
+  case EPERM:
+  case EACCES: return SPARKEY_PERMISSION_DENIED;
+  case ENFILE: return SPARKEY_TOO_MANY_OPEN_FILES;
+  case ENOENT: return SPARKEY_FILE_NOT_FOUND;
+  case EOVERFLOW: return SPARKEY_FILE_TOO_LARGE;
+  default:
+    fprintf(stderr, "_sparkey_open_returncode():%d error: errno = %d\n", __LINE__, e);
+    return SPARKEY_INTERNAL_ERROR;
+  }
+}
+
+sparkey_returncode sparkey_create_returncode(int e) {
+  switch (e) {
+  case EPERM:
+  case EROFS:
+  case EACCES: return SPARKEY_PERMISSION_DENIED;
+  case EEXIST: return SPARKEY_FILE_ALREADY_EXISTS;
+  case EISDIR: return SPARKEY_FILE_IS_DIRECTORY;
+  case ENFILE:
+  case EMFILE: return SPARKEY_TOO_MANY_OPEN_FILES;
+  default:
+    fprintf(stderr, "_sparkey_create_returncode():%d error: errno = %d\n", __LINE__, e);
+    return SPARKEY_INTERNAL_ERROR;
+  }
+}
+
+sparkey_returncode sparkey_remove_returncode(int e) {
+  switch (e) {
+  case EPERM:
+  case EROFS:
+  case EACCES: return SPARKEY_PERMISSION_DENIED;
+  case EBUSY: return SPARKEY_FILE_BUSY; // Can't happen on linux
+  case EISDIR: return SPARKEY_FILE_IS_DIRECTORY;
+  case EOVERFLOW: return SPARKEY_FILE_TOO_LARGE;
+  default:
+    fprintf(stderr, "_sparkey_remove_returncode():%d error: errno = %d\n", __LINE__, e);
+    return SPARKEY_INTERNAL_ERROR;
+  }
+}
+
+static inline char * _create_filename(const char *input, const char *from, char to) {
+  if (input == NULL) return NULL;
+  size_t l = strlen(input);
+
+  // Paranoia - avoid ridiculously long filenames.
+  if (l > 10000) return NULL;
+
+  // Too short to contain from
+  if (l < strlen(from)) return NULL;
+
+  if (memcmp(&input[l - strlen(from)], from, strlen(from))) return NULL;
+
+  char *output = strdup(input);
+  if (output == NULL) return NULL;
+
+  output[l - 1] = to;
+  return output;
+}
+
+char * sparkey_create_log_filename(const char *index_filename) {
+  return _create_filename(index_filename, ".spi", 'l');
+}
+
+char * sparkey_create_index_filename(const char *log_filename) {
+  return _create_filename(log_filename, ".spl", 'i');
+}