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Various bugfixes and output tuning Tuned output of preprocessor to include line markers similar to the ones added by the gcc preprocessor. Also, many fixes for various bits of dumbosity leading to misbehaviour and crashing.
author William Astle <lost@l-w.ca>
date Wed, 18 Sep 2013 19:17:52 -0600
parents 6f4c4d59666f
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2 list.c
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3 Copyright © 2009 William Astle
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4
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5 This file is part of LWAR.
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6
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7 LWAR is free software: you can redistribute it and/or modify it under the
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8 terms of the GNU General Public License as published by the Free Software
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9 Foundation, either version 3 of the License, or (at your option) any later
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10 version.
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11
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12 This program is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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15 more details.
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16
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17 You should have received a copy of the GNU General Public License along with
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18 this program. If not, see <http://www.gnu.org/licenses/>.
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19
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21 Implements the program startup code
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22
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23 */
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24
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25 #include <errno.h>
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26 #include <stdio.h>
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27 #include <stdlib.h>
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28 #include <string.h>
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29
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30 #include "lwar.h"
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31
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32 void do_list(void)
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33 {
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34 FILE *f;
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35 char buf[8];
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36 long l;
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37 int c;
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38
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6f4c4d59666f Make lwar use the "b" flag when opening files.
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39 f = fopen(archive_file, "rb");
0
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40 if (!f)
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41 {
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42 perror("Opening archive file");
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43 exit(1);
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44 }
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45
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346966cffeef Clean up various warnings when building under -Wall
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46 (void)(fread(buf, 1, 6, f) && 1);
0
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47 if (memcmp("LWAR1V", buf, 6))
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48 {
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49 fprintf(stderr, "%s is not a valid archive file.\n", archive_file);
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50 exit(1);
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51 }
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52
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53 for (;;)
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54 {
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55 c = fgetc(f);
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56 if (ferror(f))
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57 {
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58 perror("Reading archive file");
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59 exit(1);
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60 }
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61 if (c == EOF)
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62 return;
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63
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64
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65 // find the end of the file name
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66 if (!c)
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67 return;
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68
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69 while (c)
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70 {
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71 putchar(c);
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72 c = fgetc(f);
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73 if (c == EOF || ferror(f))
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74 {
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75 fprintf(stderr, "Bad archive file\n");
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76 exit(1);
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77 }
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78 }
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79
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80 // get length of archive member
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81 l = 0;
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82 c = fgetc(f);
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83 l = c << 24;
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84 c = fgetc(f);
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85 l |= c << 16;
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86 c = fgetc(f);
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87 l |= c << 8;
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88 c = fgetc(f);
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89 l |= c;
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90 printf(": %04lx bytes\n", l);
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91 fseek(f, l, SEEK_CUR);
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92 }
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93 }