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-rw-r--r--drv_Crystalfontz.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drv_Crystalfontz.c b/drv_Crystalfontz.c
index c8e4706..4585b49 100644
--- a/drv_Crystalfontz.c
+++ b/drv_Crystalfontz.c
@@ -1,4 +1,4 @@
-/* $Id: drv_Crystalfontz.c,v 1.42 2006/02/22 15:59:39 cmay Exp $
+/* $Id: drv_Crystalfontz.c,v 1.43 2006/07/14 20:15:11 reinelt Exp $
*
* new style driver for Crystalfontz display modules
*
@@ -23,6 +23,9 @@
*
*
* $Log: drv_Crystalfontz.c,v $
+ * Revision 1.43 2006/07/14 20:15:11 reinelt
+ * buffer too small (thanks to anonymous)
+ *
* Revision 1.42 2006/02/22 15:59:39 cmay
* removed KEYPADSIZE cruft per harbaum's suggestion
*
@@ -463,7 +466,8 @@ static void drv_CF_timer(void __attribute__ ((unused)) * notused)
static void drv_CF_send(const unsigned char cmd, const unsigned char len, const unsigned char *data)
{
- unsigned char buffer[22];
+ /* 1 cmd + 1 len + 22 payload + 2 crc = 26 */
+ unsigned char buffer[26];
unsigned short crc;
struct timeval now, end;
@@ -1112,7 +1116,7 @@ int drv_CF_init(const char *section, const int quiet)
WIDGET_CLASS wc;
int ret;
- info("%s: %s", Name, "$Revision: 1.42 $");
+ info("%s: %s", Name, "$Revision: 1.43 $");
/* start display */
if ((ret = drv_CF_start(section)) != 0) {
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// gcc `pkg-config --cflags libconfig` example1.c -o myprogram `pkg-config --libs libconfig`

#include <stdio.h>
#include <stdlib.h>
#include <libconfig.h>

#define CONFIG_FILE jmccrohan-example.cfg

int main(int argc, char **argv)
{
  config_t cfg;
  config_setting_t *setting;
  const char *str;

  config_init(&cfg);

fprintf(stderr, "__FILE__");

  /* Read the file. If there is an error, report it and exit. */
  if(! config_read_file(&cfg, "CONFIG_FILE"))
  {
    fprintf(stderr, "%s:%d - %s\n", config_error_file(&cfg),
            config_error_line(&cfg), config_error_text(&cfg));
    config_destroy(&cfg);
    return(EXIT_FAILURE);
  }

  /* Get the store name. */
  if(config_lookup_string(&cfg, "version", &str))
    printf("Store name: %s\n\n", str);
  else
    fprintf(stderr, "No 'version' setting in configuration file.\n");

  /* Output a list of all books in the inventory. */
  setting = config_lookup(&cfg, "inventory.books");
  if(setting != NULL)
  {
    int count = config_setting_length(setting);
    int i;

    printf("%-30s  %-30s   %-6s  %s\n", "TITLE", "AUTHOR", "PRICE", "QTY");

    for(i = 0; i < count; ++i)
    {
      config_setting_t *book = config_setting_get_elem(setting, i);

      /* Only output the record if all of the expected fields are present. */
      const char *title, *author;
      double price;
      int qty;

      if(!(config_setting_lookup_string(book, "title", &title)
           && config_setting_lookup_string(book, "author", &author)
           && config_setting_lookup_float(book, "price", &price)
           && config_setting_lookup_int(book, "qty", &qty)))
        continue;

      printf("%-30s  %-30s  $%6.2f  %3d\n", title, author, price, qty);
    }
    putchar('\n');
  }

  /* Output a list of all movies in the inventory. */
  setting = config_lookup(&cfg, "inventory.movies");
  if(setting != NULL)
  {
    unsigned int count = config_setting_length(setting);
    unsigned int i;

    printf("%-30s  %-10s   %-6s  %s\n", "TITLE", "MEDIA", "PRICE", "QTY");
    for(i = 0; i < count; ++i)
    {
      config_setting_t *movie = config_setting_get_elem(setting, i);

      /* Only output the record if all of the expected fields are present. */
      const char *title, *media;
      double price;
      int qty;

      if(!(config_setting_lookup_string(movie, "title", &title)
           && config_setting_lookup_string(movie, "media", &media)
           && config_setting_lookup_float(movie, "price", &price)
           && config_setting_lookup_int(movie, "qty", &qty)))
        continue;

      printf("%-30s  %-10s  $%6.2f  %3d\n", title, media, price, qty);
    }
    putchar('\n');
  }

  config_destroy(&cfg);
  return(EXIT_SUCCESS);
}

/* eof */