int main()

in utils/unlit/unlit.c [322:402]

• 64 lines of code
• 24 McCabe index (conditional complexity)

int main(int argc,char **argv)
{
    FILE *istream, *ostream;
    char *file;

    for (argc--, argv++; argc > 0; argc--, argv++)
        if (strcmp(*argv,"-n")==0)
            noisy = 1;
        else if (strcmp(*argv,"-q")==0)
            noisy = 0;
        else if (strcmp(*argv,"-c")==0)
	    crunchnl = 1;
        else if (strcmp(*argv,"-P")==0)
	    no_line_pragma = 1;
        else if (strcmp(*argv,"-h")==0) {
	  if (argc > 1) {
	    argc--; argv++;
	    if (prefix_str)
	      free(prefix_str);
	    prefix_str = (char*)malloc(sizeof(char)*(1+strlen(*argv)));
	    if (prefix_str)
	      strcpy(prefix_str, *argv);
	  }
        } else if (strcmp(*argv,"-#")==0)
	    ignore_shebang = 0;
        else
            break;

    if (argc!=2) {
        fprintf(stderr, USAGE);
        exit(1);
    }

    if (strcmp(argv[0],argv[1])==0 && strcmp(argv[0],"-")!=0) {
        fprintf(stderr, DISTINCTNAMES);
        exit(1);
    }

    file = argv[0];
    if (strcmp(argv[0], "-")==0) {
        istream = stdin;
        file    = "stdin";
    }
    else
        if ((istream=__hs_fopen(argv[0], "r")) == NULL) {
            fprintf(stderr, CANNOTOPEN, argv[0]);
            exit(1);
        }

    ofilename=argv[1];
    if (strcmp(argv[1], "-")==0)
        ostream = stdout;
    else
        if ((ostream=__hs_fopen(argv[1], "w")) == NULL)  {
            fprintf(stderr, CANNOTOPEN, argv[1]);
            exit(1);
        }

    /* Prefix the output with line pragmas */
    if (!no_line_pragma && prefix_str) {
      /* Both GHC and CPP understand the #line pragma.
       * We used to throw in both a #line and a {-# LINE #-} pragma
       * here, but CPP doesn't understand {-# LINE #-} so it thought
       * the line numbers were off by one.  We could put the {-# LINE
       * #-} before the #line, but there's no point since GHC
       * understands #line anyhow.  --SDM 8/2003
       */
      fprintf(ostream, "#line 1 \"%s\"\n", prefix_str);
    }

    unlit(file, istream, ostream);

    if (istream != stdin) fclose(istream);
    if (ostream != stdout) {
	if (fclose(ostream) == EOF) {
	    writeerror();
	}
    }

    exit(errors==0 ? 0 : 1);
}