finlay.. omes validdadeda resharce..

finlay.. omes validdadeda resharce..

/* spelling.c
** Copyright (C) 2003 Bálint Balogh
** This program is free software released under the GNU
** General Public License Version 2 or any later version. */

#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>

/* This is needed because of strfry() */
#ifndef __GLIBC__
#error This program needs the GNU C library
"This program needs the GNU C library" (portable #error)
#endif

#define INCREMENT (1024)
#define MAX_ITERATION (64)

int main( int argc, char *argv[] )
{
    char *word = NULL;
    char *original = NULL;
    size_t length = 0;
    size_t allocated = 0;
    int ch;

    while (1) {
        ch = getchar();
        if ( !isalpha( ch ) ) {
            if ( length ) {
                if ( length > 3 ) {
                    unsigned i = 0;
                    char end = word[length - 1];

                    memcpy( original, word + 1, length - 2 );
                    word[length - 1] = 0;
                    do {
                        strfry( word + 1 );
                        i++;
                    } while ( i < MAX_ITERATION
                      && !memcmp( original, word + 1, length - 2 ) );
                    word[length - 1] = end;
                }
                word[length] = 0;
                fputs( word, stdout );
                length = 0;
            }
            if ( ch == EOF ) return 0;
            putchar( ch );
        } else {
            if ( allocated <= length + 1 ) {
                allocated += INCREMENT;
                if ( (word = realloc( word, allocated )) == NULL
                  || (original = realloc( original, allocated )) == NULL ) {
                    fprintf( stderr, "%s: Out of memory. Aborting.\n", argv[0] );
                    return -1;
                }
            }
            word[length++] = ch;
        }
    }
}