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#include <stdio.h>
#include <csize.h>
#include <patchlevel.h>
/*
* $Id: csize.c,v 1.14 1995/01/25 08:19:24 lott Exp $
*
* csize, a program to measure the size of C source files.
* Copyright (C) 1994 Christopher Lott <lott@informatik.uni-kl.de>
* FB Informatik - Bau 57 / Universitaet KL / D--67653 Kaiserslautern / Germany
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation. See the file COPYING for more details.
*
* This file holds functions to open files, add total counts,
* and print summaries. All the real work is done in the scanner.
* All global variables are likewise declared in the scanner;
* they are also declared externally in the the header file.
*
*/
void
print_results(long nl,
long bl,
long lwc,
long nbncl,
long semi,
long pp,
char *filename)
{
(void) printf("%8ld %8ld %8ld %8ld %8ld %8ld %s\n",
nl, bl, lwc, nbncl, semi, pp, filename);
}
int
process_file(char *filename)
{
FILE *fp;
int rc;
fp = fopen(filename, "r");
if (fp == NULL) {
perror(filename);
rc = -1;
}
else {
if (Echo) (void) printf("--start of file--\n");
/* process the input */
init_scanner(fp, filename);
while (yylex() != 0)
;
if (Echo) (void) printf("--end of file--\n");
(void) fclose(fp);
rc = Lex_errors;
}
return rc;
}
int
main(int argc, char ** argv)
{
/* this would be the place to provide a prototype for
* getopt(), but if I do so, g++ is unable to link in
* the function from the library. So I just let g++
* complain about the missing prototype. Not fatal.
*
*/
extern int optind;
int c,
rc,
errflg = 0,
hflg = 0,
verflg = 0,
nfiles = 0;
long total_newlines = 0,
total_blank_lines = 0,
total_lines_w_comments = 0,
total_nb_nc_lines = 0,
total_semicolons = 0,
total_pp_directives = 0;
while ((c = getopt(argc, argv, "ehv")) != -1)
switch (c) {
case 'e':
++Echo;
break;
case 'h':
++hflg;
break;
case 'v':
++verflg;
break;
default:
++errflg;
}
/* If -v was given then ignore other args, print version info, and exit */
if (verflg) {
fprintf(stderr, "csize version information: %s\n", CSIZE_VERSION);
return 0;
}
/* invalid arguments */
if (argc == 1 || optind == argc || errflg) {
(void)fprintf(stderr, "usage: %s [ -ehv ] file.c [ file.c ... ]\n", *argv);
(void)fprintf(stderr, " -e == echo the input files\n");
(void)fprintf(stderr, " -h == print a header before the data\n");
(void)fprintf(stderr, " -v == report version information\n");
return -1;
}
/* arguments are ok, do some work */
for (; optind < argc; optind++) {
rc = process_file(argv[optind]);
if (rc == 0) {
if (hflg) {
(void)printf(" total blank lines w/ nb, nc semi- preproc. file\n");
(void)printf(" lines lines comments lines colons direct.\n");
(void)printf("--------+--------+--------+--------+--------+--------+----\n");
hflg = 0; /* only print the header once */
}
print_results(C_newlines, C_blank_lines, C_lines_w_comments,
C_nb_nc_lines, C_semicolons, C_pp_directives,
argv[optind]);
total_newlines += C_newlines;
total_blank_lines += C_blank_lines;
total_lines_w_comments += C_lines_w_comments;
total_nb_nc_lines += C_nb_nc_lines;
total_semicolons += C_semicolons;
total_pp_directives += C_pp_directives;
++nfiles;
}
}
if (nfiles > 1) {
print_results(total_newlines, total_blank_lines,
total_lines_w_comments, total_nb_nc_lines,
total_semicolons, total_pp_directives, "total");
}
return rc;
}
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