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annotate f-demime/ptext_out.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
parents
children a92d0d59b669
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0
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 transformations that are specific to text/plain.
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Mychaela Falconia <falcon@freecalypso.org>
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3 */
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Mychaela Falconia <falcon@freecalypso.org>
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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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Mychaela Falconia <falcon@freecalypso.org>
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6 #include <stdlib.h>
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Mychaela Falconia <falcon@freecalypso.org>
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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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Mychaela Falconia <falcon@freecalypso.org>
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10
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Mychaela Falconia <falcon@freecalypso.org>
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11 extern FILE *tempfile;
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Mychaela Falconia <falcon@freecalypso.org>
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12 extern int ptext_has_backslash, ptext_has_linesplit;
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Mychaela Falconia <falcon@freecalypso.org>
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13 extern unsigned mp_nest_level;
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Mychaela Falconia <falcon@freecalypso.org>
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14 extern char mp_boundaries[MAX_MP_NESTING][MAX_MP_BOUNDARY+1];
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Mychaela Falconia <falcon@freecalypso.org>
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15
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16 void
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Mychaela Falconia <falcon@freecalypso.org>
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17 ptext_mark_transform(base_xform)
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18 char *base_xform;
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19 {
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Mychaela Falconia <falcon@freecalypso.org>
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20 printf("X-Fdemime-Transform: %s", base_xform);
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Mychaela Falconia <falcon@freecalypso.org>
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21 if (ptext_has_backslash)
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Mychaela Falconia <falcon@freecalypso.org>
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22 fputs(", double-backslash", stdout);
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Mychaela Falconia <falcon@freecalypso.org>
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23 if (ptext_has_linesplit)
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Mychaela Falconia <falcon@freecalypso.org>
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24 fputs(", line-split", stdout);
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Mychaela Falconia <falcon@freecalypso.org>
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25 putchar('\n');
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26 }
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27
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28 static int
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29 boundary_hit(line)
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30 char *line;
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31 {
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32 unsigned lev, bndlen;
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33 char *bnd;
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34
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Mychaela Falconia <falcon@freecalypso.org>
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35 if (line[0] != '-' || line[1] != '-')
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Mychaela Falconia <falcon@freecalypso.org>
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36 return(0);
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Mychaela Falconia <falcon@freecalypso.org>
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37 for (lev = 0; lev < mp_nest_level; lev++) {
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Mychaela Falconia <falcon@freecalypso.org>
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38 bnd = mp_boundaries[lev];
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Mychaela Falconia <falcon@freecalypso.org>
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39 bndlen = strlen(bnd);
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Mychaela Falconia <falcon@freecalypso.org>
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40 if (strncmp(line+2, bnd, bndlen))
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41 continue;
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Mychaela Falconia <falcon@freecalypso.org>
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42 return(1);
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43 }
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44 return(0);
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Mychaela Falconia <falcon@freecalypso.org>
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45 }
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46
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Mychaela Falconia <falcon@freecalypso.org>
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47 void
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Mychaela Falconia <falcon@freecalypso.org>
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48 ptext_emit_output()
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49 {
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Mychaela Falconia <falcon@freecalypso.org>
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50 char line[LINE_BUF_SIZE];
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Mychaela Falconia <falcon@freecalypso.org>
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51
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52 rewind(tempfile);
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Mychaela Falconia <falcon@freecalypso.org>
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53 while (fgets(line, sizeof line, tempfile)) {
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Mychaela Falconia <falcon@freecalypso.org>
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54 if (!strncmp(line, "From ", 5) || boundary_hit(line) ||
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Mychaela Falconia <falcon@freecalypso.org>
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55 !strcmp(line, ".\n")) {
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Mychaela Falconia <falcon@freecalypso.org>
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56 putchar('\\');
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Mychaela Falconia <falcon@freecalypso.org>
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57 putchar('&');
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58 }
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Mychaela Falconia <falcon@freecalypso.org>
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59 fputs(line, stdout);
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Mychaela Falconia <falcon@freecalypso.org>
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60 }
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Mychaela Falconia <falcon@freecalypso.org>
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61 fclose(tempfile);
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62 }