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text2wfreq.c File Reference

driver of counting word frequency in a particular text file. More...

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "toolkit.h"
#include "rr_libs/general.h"
#include "pc_libs/pc_general.h"

Go to the source code of this file.

Compounds
struct	hash_table
	A hash table. More...
struct	node
	Node in a hash. More...
Defines
#define	MAX_STRING_LENGTH   501
#define	DEFAULT_HASH   1000000
Functions
node *	new_node (char *key)
void	new_hashtable (struct hash_table *table, int M)
int	update_chain (struct node *t, char *key)
void	print_chain (struct node *t)
int	hash (char *key, int M)
void	print (struct hash_table *table)
void	update (struct hash_table *table, char *key, int verbosity)
int	nearest_prime (int num)
int	main (int argc, char **argv)

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Detailed Description

driver of counting word frequency in a particular text file.

Definition in file text2wfreq.c.

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Define Documentation

#define DEFAULT_HASH   1000000

Definition at line 37 of file text2wfreq.c. Referenced by main().

#define MAX_STRING_LENGTH   501

Definition at line 36 of file text2wfreq.c. Referenced by main().

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Function Documentation

int hash (  char *    key, int    M )

Definition at line 128 of file text2wfreq.c. Referenced by index2(), main(), and update().

int main (  int    argc, char **    argv )

Definition at line 180 of file text2wfreq.c. References DEFAULT_HASH, DEFAULT_VERBOSITY, fprintf(), MAX_STRING_LENGTH, nearest_prime(), new_hashtable(), pc_flagarg(), pc_intarg(), pc_message(), pc_report_unk_args(), print(), quit(), report_version(), update(), and verbosity.

int nearest_prime (  int    num )

Definition at line 161 of file text2wfreq.c. Referenced by main().

void new_hashtable (  struct hash_table *    table, int    M )

Definition at line 74 of file text2wfreq.c. References hash_table::chain, i, new_node(), and hash_table::size. Referenced by main().

struct node* new_node (  char *    key )

Definition at line 62 of file text2wfreq.c. References node::count, rr_malloc(), and node::word. Referenced by new_hashtable(), and update_chain().

void print (  struct hash_table *    table )

Definition at line 139 of file text2wfreq.c. References hash_table::chain, i, print_chain(), and hash_table::size. Referenced by main().

void print_chain (  struct node *    t )

Definition at line 117 of file text2wfreq.c. References node::count, node::next, and node::word. Referenced by print().

void update (  struct hash_table *    table, char *    key, int    verbosity )

Definition at line 147 of file text2wfreq.c. References hash_table::chain, hash(), pc_message(), hash_table::size, update_chain(), and verbosity. Referenced by main().

int update_chain (  struct node *    t, char *    key )

Definition at line 87 of file text2wfreq.c. References node::count, new_node(), node::next, and node::word. Referenced by add_to_hashtable(), and update().

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