/[dtapublic]/projs/dtats/trunk/projs/2018/20180112_ifsfscan/c_main.c
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revision 197 by dashley, Sun Jul 15 01:26:18 2018 UTC revision 199 by dashley, Sun Jul 15 03:07:20 2018 UTC
# Line 542  int is_lf(char c) Line 542  int is_lf(char c)
542    
543  void emit_human_friendly_llu(unsigned long long arg)  void emit_human_friendly_llu(unsigned long long arg)
544  {  {
545     printf("%llu", arg);     size_t i, len;
546       char buffer[100];
547    
548       sprintf(buffer, "%llu", arg);
549       len = strlen(buffer);
550    
551       for (i = 0; i < len; i++)
552       {
553          printf("%c", buffer[i]);
554          if (((len-i-1) != 0) && (((len - i - 1) % 3) == 0))
555             printf(",");
556       }
557  }  }
558    
559  void emit_file_pos_3tuple(unsigned long long line, unsigned long long col, unsigned long long offset)  void emit_file_pos_3tuple(unsigned long long line, unsigned long long col, unsigned long long offset)
# Line 580  void process_opened_handle(FILE *f) Line 591  void process_opened_handle(FILE *f)
591     char_no = 0;     char_no = 0;
592     line_no = 1;     line_no = 1;
593     col_no  = 1;     col_no  = 1;
594     in_c    = in_i & 0xFF;     in_c    = in_i & 0xff;
595     in_uc   = in_i & 0xFF;     in_uc   = in_i & 0xff;
596    
597     do     do
598     {     {
# Line 592  void process_opened_handle(FILE *f) Line 603  void process_opened_handle(FILE *f)
603           printf("         Illegal character: 0x%02x.\n", ((unsigned)in_uc));           printf("         Illegal character: 0x%02x.\n", ((unsigned)in_uc));
604        }        }
605    
606          //printf("Character: %02x  State: %u\n", in_c, (unsigned)state);
607    
608        //Run through the state machine, which would look for bad EOL sequences.        //Run through the state machine, which would look for bad EOL sequences.
609        switch (state)        switch (state)
610        {        {
611        case PST_LINE:        case PST_LINE:
612             //Processing non-EOL characters.
613           if (is_lf(in_c))           if (is_lf(in_c))
614           {           {
615                if ((char_no != 0) && (prev_c == ' '))
616                {
617                   emit_file_pos_3tuple(line_no, col_no, char_no);
618                   printf("         Line contains trailing whitespace.\n");
619                }
620    
621              //Line feeds not allowed without preceding carriage return.              //Line feeds not allowed without preceding carriage return.
622              emit_file_pos_3tuple(line_no, col_no, char_no);              emit_file_pos_3tuple(line_no, col_no, char_no);
623              printf("         Out of sequence line feed character (0x0a)\n");              printf("         Out of sequence line feed character (0x0a).\n");
624              line_no++;              line_no++;
625              col_no = 1;              col_no = 1;
626              state = PST_LF_FOUND;              state = PST_LF_FOUND;
627           }           }
628           else if (is_cr(in_c))           else if (is_cr(in_c))
629           {           {
630                if ((char_no != 0) && (prev_c == ' '))
631                {
632                   emit_file_pos_3tuple(line_no, col_no, char_no);
633                   printf("         Line contains trailing whitespace.\n");
634                }
635    
636              //Legal              //Legal
637              state = PST_CR_FOUND;              state = PST_CR_FOUND;
638           }           }
# Line 628  void process_opened_handle(FILE *f) Line 654  void process_opened_handle(FILE *f)
654           {           {
655              //Back-to-back carriage returns not allowed.              //Back-to-back carriage returns not allowed.
656              emit_file_pos_3tuple(line_no, col_no, char_no);              emit_file_pos_3tuple(line_no, col_no, char_no);
657              printf("         Out of sequence carriage return character (0x0D)\n");              printf("         Out of sequence carriage return character (0x0D).\n");
658              col_no++;              col_no++;
659           }           }
660           else           else
# Line 652  void process_opened_handle(FILE *f) Line 678  void process_opened_handle(FILE *f)
678           {           {
679              //Legal.  Blank lines are fine.              //Legal.  Blank lines are fine.
680              col_no++;              col_no++;
681              state = PST_LF_FOUND;              state = PST_CR_FOUND;
682           }           }
683           else           else
684           {           {
# Line 666  void process_opened_handle(FILE *f) Line 692  void process_opened_handle(FILE *f)
692           break;           break;
693        }        }
694    
   
695        in_i = fgetc(f);        in_i = fgetc(f);
696        char_no++;        prev_c = in_c;
       if (in_i == EOF)  
          exit_flag = 1;  
697        in_c = in_i & 0xff;        in_c = in_i & 0xff;
698        in_uc = in_i & 0xff;        in_uc = in_i & 0xff;
699          char_no++;
700          if (in_i == EOF)
701          {
702             if (state != PST_LF_FOUND)
703             {
704                emit_file_pos_3tuple(line_no, col_no, char_no-1);
705                printf("         Final line of file does not have CR/LF sequence.\n");
706             }
707             if ((state == PST_LINE) && (prev_c == ' '))
708             {
709                emit_file_pos_3tuple(line_no, col_no, char_no - 1);
710                printf("         Final line contains trailing whitespace.\n");
711             }
712    
713             exit_flag = 1;
714          }
715     } while (!exit_flag);     } while (!exit_flag);
   
716  }  }
717    
718  void process_file_by_name(const char *s)  void process_file_by_name(const char *s)
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