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annotate f-demime/b2q_in.c @ 0:7e0d08176f32

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f-demime starting code
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 06 May 2023 06:14:03 +0000
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7e0d08176f32 f-demime starting code
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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Mychaela Falconia <falcon@freecalypso.org>
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2 * This module implements the input side of base64-to-QP conversion.
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3 */
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4
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Mychaela Falconia <falcon@freecalypso.org>
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5 #include <stdio.h>
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6 #include <stdlib.h>
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7 #include <string.h>
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Mychaela Falconia <falcon@freecalypso.org>
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8 #include <strings.h>
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Mychaela Falconia <falcon@freecalypso.org>
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9 #include "defs.h"
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10
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Mychaela Falconia <falcon@freecalypso.org>
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11 extern void (*dec_outf)();
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12 extern FILE *tempfile;
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13
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14 static int cr_state;
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15
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16 static void
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17 output_func(ch)
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18 {
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19 if (cr_state) {
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20 cr_state = 0;
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Mychaela Falconia <falcon@freecalypso.org>
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21 if (ch == '\n') {
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22 putc('\n', tempfile);
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23 return;
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24 } else
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25 putc('\r', tempfile);
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26 }
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27 if (ch == '\r')
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28 cr_state = 1;
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29 else
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30 putc(ch, tempfile);
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31 }
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32
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33 void
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34 b2q_conv_init()
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35 {
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36 dec_outf = output_func;
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37 cr_state = 0;
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38 }
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39
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40 void
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41 b2q_conv_finish()
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42 {
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43 if (cr_state)
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44 putc('\r', tempfile);
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45 }