#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <agraph.h>
#include <ingraphs.h>
#include <stdio.h>
#include <stdlib.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#else
#include "compat_getopt.h"
#endif
char **Files;
static char* useString =
"Usage: nop [-?] <files>\n\
-? - print usage\n\
If no files are specified, stdin is used\n";
static void
usage (int v)
{
printf (useString);
exit (v);
}
static void
init (int argc, char* argv[])
{
int c;
while ((c = getopt(argc, argv, ":?")) != -1) {
switch (c) {
case '?':
if (optopt == '?') usage(0);
else fprintf(stderr,"gc: option -%c unrecognized - ignored\n", c);
break;
}
}
argv += optind;
argc -= optind;
if (argc) Files = argv;
}
static Agraph_t*
gread (FILE* fp)
{
return agread(fp,(Agdisc_t*)0);
}
int main(int argc,char **argv)
{
Agraph_t* g;
ingraph_state ig;
init (argc, argv);
newIngraph (&ig, Files, gread);
while ((g = nextGraph(&ig)) != 0) {
agwrite(g,stdout);
agclose (g);
}
exit(0);
}