tred.c File Reference

transitive reduction filter for directed graphs More...

#include <cgraph/cgraph.h>
#include <cgraph/ingraphs.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <getopt.h>
#include <util/exit.h>
#include <util/unreachable.h>

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Typedefs
typedef graphviz_tred_options_t	opts_t

Functions
static void	usage (int v)
static void	init (opts_t *opts, int argc, char *argv[])
int	main (int argc, char **argv)

Variables
static char **	Files
static char *	CmdName
static char *	useString

Typedef Documentation

opts_t

typedef graphviz_tred_options_t opts_t

Definition at line 39 of file tred.c.

Function Documentation

init()

static void init ( opts_t *  opts, int  argc, char *  argv[]  )

static

Definition at line 54 of file tred.c.

References CmdName, Files, NULL, opts, UNREACHABLE, usage, and opts_t::Verbose.

Referenced by main().

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main()

int main	(	int	argc,
		char **	argv
	)

Definition at line 96 of file tred.c.

References agclose(), agisdirected(), Files, graphviz_exit(), graphviz_tred(), init(), newIngraph(), nextGraph(), and opts.

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usage()

static void usage ( int  v )

static

Definition at line 48 of file tred.c.

References CmdName, graphviz_exit(), and useString.

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Variable Documentation

CmdName

char* CmdName

static

Definition at line 37 of file tred.c.

Referenced by init(), and usage().

Files

char** Files

static

Definition at line 36 of file tred.c.

Referenced by init(), and main().

useString

char* useString

static

Initial value:

= "Usage: %s [-vr?] <files>\n\
  -o FILE - redirect output (default to stdout)\n\
  -v - verbose (to stderr)\n\
  -r - print removed edges to stderr\n\
  -? - print usage\n\
If no files are specified, stdin is used\n"

Definition at line 41 of file tred.c.

Referenced by usage().