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- /****************************************************************************
- * tools/rmcr.c
- *
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership. The
- * ASF licenses this file to you 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.
- *
- ****************************************************************************/
- /****************************************************************************
- * Included Files
- ****************************************************************************/
- #include <stdio.h>
- #include <stdbool.h>
- #include <string.h>
- #include <ctype.h>
- /****************************************************************************
- * Pre-processor Definitions
- ****************************************************************************/
- #define LINESIZE 1024
- /****************************************************************************
- * Private Data
- ****************************************************************************/
- static char g_line[LINESIZE];
- /****************************************************************************
- * Public Data
- ****************************************************************************/
- /****************************************************************************
- * Private Functions
- ****************************************************************************/
- int main(int argc, char **argv)
- {
- FILE *instream;
- FILE *outstream;
- int len;
- int ret = 1;
- if (argc != 3)
- {
- fprintf(stderr, "ERROR: Two arguments expected\n");
- return 1;
- }
- /* Open the source file read-only */
- instream = fopen(argv[1], "r");
- if (instream == NULL)
- {
- fprintf(stderr, "ERROR: Failed to open %s for reading\n", argv[1]);
- return 1;
- }
- /* Open the destination file write-only */
- outstream = fopen(argv[2], "w");
- if (outstream == NULL)
- {
- fprintf(stderr, "ERROR: Failed to open %s for reading\n", argv[2]);
- goto errout_with_instream;
- }
- /* Process each line in the file */
- while ((fgets(g_line, LINESIZE, instream) != NULL))
- {
- /* Remove all whitespace (including newline) from the end of the line */
- len = strlen(g_line) - 1;
- while (len >= 0 && isspace(g_line[len]))
- {
- len--;
- }
- /* Put the newline back. len is either -1, or points to the last, non-
- * space character in the line.
- */
- g_line[len + 1] = '\n';
- g_line[len + 2] = '\0';
- fputs(g_line, outstream);
- }
- ret = 0;
- fclose(outstream);
- errout_with_instream:
- fclose(instream);
- return ret;
- }
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