Example #1
0
char *wbFile_readLine(wbFile_t file) {

  if (file == NULL) {
    return NULL;
  }
#ifdef LAZY_FILE_LOAD
  FILE *handle;
  memset(buffer, 0, MAX_CHARS_PER_LINE);

  handle = wbFile_getFileHandle(file);

  if (fgets(buffer, MAX_CHARS_PER_LINE - 1, handle)) {
    return buffer;
  } else {
    //wbLog(ERROR, "Was not able to read line from ", wbFile_getFileName(file));
    return NULL;
  }
#else
  size_t newOffset;
  size_t lenToNewLine = 0;
  const char *tmp;

  if (wbFile_getData(file) == NULL) {
    wbFile_setData(file, wbFile_read(file));
    fclose(wbFile_getFileHandle(file));
    wbFile_setFileHandle(file, NULL);
    wbFile_setDataOffset(file, 0);
    wbFile_setLength(file, strlen(wbFile_getData(file)));
  }

  memset(buffer, 0, MAX_CHARS_PER_LINE);

  if (wbFile_getDataOffset(file) >= wbFile_getLength(file)) {
    return NULL;
  }

  newOffset = wbFile_getDataOffset(file);
  tmp = wbFile_getData(file) + wbFile_getDataOffset(file);
  while (newOffset < wbFile_getLength(file) && *tmp != '\n') {
    tmp++;
    lenToNewLine++;
    newOffset++;
  }

  memcpy(buffer, wbFile_getData(file) + wbFile_getDataOffset(file),
         lenToNewLine);
  wbFile_setDataOffset(file, newOffset + 1);

  return buffer;
#endif
}
Example #2
0
char * wbFile_read(wbFile_t file) {
    size_t len;

    if (file == NULL) {
        return NULL;
    }

    len = wbFile_size(file);

    if (len == 0) {
        return NULL;
    }

    wbFile_setLength(file, len);

    return wbFile_read(file, len);
}
Example #3
0
size_t wbFile_size(wbFile_t file) {
  size_t len;
  FILE *handle;

  if (file == NULL) {
    return 0;
  }
#ifndef LAZY_FILE_LOAD
  if (wbFile_getData(file) != NULL) {
    if (wbFile_getLength(file) == 0) {
      wbFile_setLength(file, strlen(wbFile_getData(file)));
    }
    return wbFile_getLength(file);
  }
#endif /* LAZY_FILE_LOAD */

  handle = wbFile_getFileHandle(file);

  fseek(handle, 0, SEEK_END);
  len = ftell(handle);
  rewind(handle);

  return len;
}