src/llvm/tools/llvm-c-test/helpers.c

   1 /*===-- helpers.c - tool for testing libLLVM and llvm-c API ---------------===*\
   2 |*                                                                            *|
   3 |*                     The LLVM Compiler Infrastructure                       *|
   4 |*                                                                            *|
   5 |* This file is distributed under the University of Illinois Open Source      *|
   6 |* License. See LICENSE.TXT for details.                                      *|
   7 |*                                                                            *|
   8 |*===----------------------------------------------------------------------===*|
   9 |*                                                                            *|
  10 |* Helper functions                                                           *|
  11 |*                                                                            *|
  12 \*===----------------------------------------------------------------------===*/
  13
  14 #include "llvm-c-test.h"
  15 #include <stdio.h>
  16 #include <string.h>
  17
  18 #define MAX_TOKENS 512
  19 #define MAX_LINE_LEN 1024
  20
  21 void tokenize_stdin(void (*cb)(char **tokens, int ntokens)) {
  22   char line[MAX_LINE_LEN];
  23   char *tokbuf[MAX_TOKENS];
  24
  25   while (fgets(line, sizeof(line), stdin)) {
  26     int c = 0;
  27
  28     if (line[0] == ';' || line[0] == '\n')
  29       continue;
  30
  31     while (c < MAX_TOKENS) {
  32       tokbuf[c] = strtok(c ? NULL : line, " \n");
  33       if (!tokbuf[c])
  34         break;
  35       c++;
  36     }
  37     if (c)
  38       cb(tokbuf, c);
  39   }
  40 }