FreeCalypso > hg > falcon-mail-tools
annotate f-demime/ptext_out.c @ 0:7e0d08176f32
f-demime starting code
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 06 May 2023 06:14:03 +0000 |
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children | a92d0d59b669 |
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Mychaela Falconia <falcon@freecalypso.org>
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1 /* |
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2 * This module implements transformations that are specific to text/plain. |
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3 */ |
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4 |
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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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8 #include <strings.h> |
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9 #include "defs.h" |
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10 |
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11 extern FILE *tempfile; |
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12 extern int ptext_has_backslash, ptext_has_linesplit; |
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13 extern unsigned mp_nest_level; |
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14 extern char mp_boundaries[MAX_MP_NESTING][MAX_MP_BOUNDARY+1]; |
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15 |
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16 void |
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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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20 printf("X-Fdemime-Transform: %s", base_xform); |
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21 if (ptext_has_backslash) |
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22 fputs(", double-backslash", stdout); |
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23 if (ptext_has_linesplit) |
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24 fputs(", line-split", stdout); |
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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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35 if (line[0] != '-' || line[1] != '-') |
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36 return(0); |
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37 for (lev = 0; lev < mp_nest_level; lev++) { |
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38 bnd = mp_boundaries[lev]; |
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39 bndlen = strlen(bnd); |
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40 if (strncmp(line+2, bnd, bndlen)) |
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41 continue; |
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42 return(1); |
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43 } |
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44 return(0); |
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45 } |
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46 |
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47 void |
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48 ptext_emit_output() |
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49 { |
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50 char line[LINE_BUF_SIZE]; |
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51 |
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52 rewind(tempfile); |
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53 while (fgets(line, sizeof line, tempfile)) { |
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54 if (!strncmp(line, "From ", 5) || boundary_hit(line) || |
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55 !strcmp(line, ".\n")) { |
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56 putchar('\\'); |
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57 putchar('&'); |
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58 } |
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59 fputs(line, stdout); |
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60 } |
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61 fclose(tempfile); |
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62 } |