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From: "Denis.V.Kolesnik@safe-mail.net" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/59598] very simple code using file open for read
Date: Thu, 26 Dec 2013 19:51:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59598

Denis Kolesnik <Denis.V.Kolesnik@safe-mail.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |UNCONFIRMED
         Resolution|INVALID                     |---

--- Comment #6 from Denis Kolesnik <Denis.V.Kolesnik@safe-mail.net> ---
please tell me where in this corrected code I made mistake:>



// a small text file filter.c //

#include <stdio.h>



main(int argc, char* argv[])

{


    char c, previous_c;       

    int word_begin_position[3000];


    int spec_symbol[7]={0xAE,0xBB,0xAB,0xA9,0x22,0x2F,0x27};


    int eof_symbol[2]={0x0D,0x0A};
    int search_result;

    int this_is_the_same_word;
    int words_count;
    int word_number;

    int search_result_A_count;
    int search_result_space;

    FILE *stream,*stream2;


    int i, j, characters_count, character_number;



    characters_count=0;    

    stream = fopen (argv[1],"r");

    while ((c = fgetc(stream)) != EOF) 

    {    
        characters_count++;

    }
    fclose(stream);
    //printf("total characters are %i\n", characters_count); 


    character_number=1;
    words_count=0;
    previous_c=0;


    stream = fopen (argv[1],"r");

    while ((c = fgetc(stream)) != EOF) 

    {
        if(((c!=0x20) && (character_number==1)) || ((previous_c==0x20) &&
(c!=0x20) && (c!=0x0A)) || ((previous_c!=0x20) && (c==0x0D)) || ((c!=0x20) &&
(c!=0x0D) && (c!=0x0A) && (previous_c==0x0A)) || ((previous_c!=0x20) &&
(previous_c!=0x0A) && (character_number==characters_count) && (c==0x20)))

//        1. ((c!=0x20) && (character_number==1))
//        2. ((previous_c==0x20) && (c!=0x20) && (c!=0x0A))
//        3. ((previous_c!=0x20) && (c==0x0D))
//        !((previous_c!=0x0D) && (c==0x0A))
//        4. ((c!=0x20) && (c!=0x0D) && (c!=0x0A) && (previous_c==0x0A))
//        5. ((previous_c!=0x20) && (previous_c!=0x0A) &&
(character_number==characters_count) && (c==0x20))

            this_is_the_same_word=0;
        else
            this_is_the_same_word=1;

        if(this_is_the_same_word==0)
        {
            words_count++;            
            word_begin_position[words_count]=character_number;

            //printf(" the begin char is .....
%i",word_begin_position[words_count]);
        }

    //if(character_number==characters_count)
    //    printf("the last character");
/*
    printf(" the number of words is %i\n", words_count);
    printf(" the current character is ..... %c\n", c);
    if(c==0x0D)
        printf(" the current character is ..... 0x0D\n");
    if(c==0x0A)
        printf(" the current character is ..... 0x0A\n");
*/
        previous_c=c;
        character_number++;
    }
    fclose(stream);



    word_number=1;    
    character_number=1;
    stream = fopen (argv[1],"r");

    //stream2 = fopen (argv[2],"w");

    while ((c = fgetc(stream)) != EOF) 

    {    
        //if((character_number >= word_begin_position[word_number]) &&
(character_number <= word_begin_position[word_number+1]))
        if(c==0x0D)
        then
        {
            //fprintf(stream2,"%s", "\\r\\n");
//            if(c==EOF)
//            then 
//                printf("A");
//            else
//                printf("%s",c);
            printf("%s", c);
        }
//        else
//            word_number++;

        character_number++;
    }
    fclose(stream);
    //printf(" the number of words is %i", words_count);



    return 0;

}



why this portion of code:> 



if(c==0x0D)
        then
        {
            //fprintf(stream2,"%s", "\\r\\n");
//            if(c==EOF)
//            then 
//                printf("A");
//            else
//                printf("%s",c);
            printf("%s", c);
        }
//        else
//            word_number++;



reports:>



replace_1.c: In function 'main':
replace_1.c:112:3: error: 'then' undeclared (first use in this function)
replace_1.c:112:3: note: each undeclared identifier is reported only once for
ea
ch function it appears in
replace_1.c:113:3: error: expected ';' before '{' token