source: libcaca/trunk/src/cacaplay.c @ 1754

Last change on this file since 1754 was 1754, checked in by Jean-Yves Lamoureux, 14 years ago
  • Added error checks to cacaplay
  • Property svn:keywords set to Id
File size: 2.6 KB
RevLine 
[702]1/*
2 *  cacaplay      caca file player
3 *  Copyright (c) 2006 Sam Hocevar <sam@zoy.org>
4 *                All Rights Reserved
5 *
6 *  $Id: cacaplay.c 1754 2007-02-22 15:34:48Z jylam $
7 *
[1462]8 *  This program is free software. It comes without any warranty, to
[1452]9 *  the extent permitted by applicable law. You can redistribute it
10 *  and/or modify it under the terms of the Do What The Fuck You Want
11 *  To Public License, Version 2, as published by Sam Hocevar. See
[702]12 *  http://sam.zoy.org/wtfpl/COPYING for more details.
13 */
14
15#include "config.h"
[859]16#include "common.h"
[702]17
[1048]18#if !defined(__KERNEL__)
[1352]19#   include <stdio.h>
20#   include <stdlib.h>
21#   include <sys/types.h>
22#   include <sys/stat.h>
23#   include <fcntl.h>
24#   include <string.h>
25#   include <unistd.h>
[1048]26#endif
[702]27
28#include "cucul.h"
29#include "caca.h"
30
31int main(int argc, char **argv)
32{
[1352]33    cucul_canvas_t *cv, *app;
[811]34    caca_display_t *dp;
[1352]35    unsigned char *buf = NULL;
[1355]36    long int bytes = 0, total = 0;
[1352]37    int fd;
[702]38
[1352]39    if(argc < 2 || !strcmp(argv[1], "-"))
[702]40    {
[1352]41        fd = 0; /* use stdin */
[702]42    }
[1352]43    else
[702]44    {
[1352]45        fd = open(argv[1], O_RDONLY);
46        if(fd < 0)
47        {
48            fprintf(stderr, "%s: could not open `%s'.\n", argv[0], argv[1]);
49            return 1;
50        }
[702]51    }
52
[1352]53    cv = cucul_create_canvas(0, 0);
54    app = cucul_create_canvas(0, 0);
[1754]55    if(cv == NULL || app == NULL)
56    {
57        printf("Can't created canvas\n");
58        return -1;
59    }
[819]60    dp = caca_create_display(cv);
[1754]61    if(dp == NULL)
62    {
63        printf("Can't create display\n");
64        return -1;
65    }
[702]66
[1754]67
[1352]68    for(;;)
69    {
70        caca_event_t ev;
71        int ret = caca_get_event(dp, CACA_EVENT_ANY, &ev, 0);
[1355]72        int eof = 0;
[702]73
[1352]74        if(ret && ev.type & CACA_EVENT_KEY_PRESS)
[702]75            break;
[1352]76
[1355]77        if(bytes == 0)
78        {
79            ssize_t n;
80            buf = realloc(buf, total + 1);
81            n = read(fd, buf + total, 1);
82            if(n < 0)
83            {
84                fprintf(stderr, "%s: read error\n", argv[0]);
85                return -1;
86            }
87            else if(n == 0)
88            {
89                eof = 1;
90            }
91            total += n;
92        }
93
[1352]94        bytes = cucul_import_memory(app, buf, total, "caca");
95
96        if(bytes > 0)
97        {
98            total -= bytes;
99            memmove(buf, buf + bytes, total);
100
101            cucul_blit(cv, 0, 0, app, NULL);
102            caca_refresh_display(dp);
103        }
[1355]104        else if(bytes < 0)
[1352]105        {
106            fprintf(stderr, "%s: corrupted caca file\n", argv[0]);
[1355]107            break;
[1352]108        }
[1355]109
110        if(eof)
111            break;
[702]112    }
113
[1355]114    caca_get_event(dp, CACA_EVENT_KEY_PRESS, NULL, -1);
115
[702]116    /* Clean up */
[1352]117    close(fd);
118
[819]119    caca_free_display(dp);
[813]120    cucul_free_canvas(cv);
[702]121
122    return 0;
123}
124
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