git.zerfleddert.de Git - proxmark3-svn/blob - client/jansson/error.c

   1 #include <string.h>
   2 #include "jansson_private.h"
   3
   4 void jsonp_error_init(json_error_t *error, const char *source)
   5 {
   6     if(error)
   7     {
   8         error->text[0] = '\0';
   9         error->line = -1;
  10         error->column = -1;
  11         error->position = 0;
  12         if(source)
  13             jsonp_error_set_source(error, source);
  14         else
  15             error->source[0] = '\0';
  16     }
  17 }
  18
  19 void jsonp_error_set_source(json_error_t *error, const char *source)
  20 {
  21     size_t length;
  22
  23     if(!error || !source)
  24         return;
  25
  26     length = strlen(source);
  27     if(length < JSON_ERROR_SOURCE_LENGTH)
  28         strncpy(error->source, source, JSON_ERROR_SOURCE_LENGTH);
  29     else {
  30         size_t extra = length - JSON_ERROR_SOURCE_LENGTH + 4;
  31         memcpy(error->source, "...", 3);
  32         strncpy(error->source + 3, source + extra, length - extra + 1);
  33     }
  34 }
  35
  36 void jsonp_error_set(json_error_t *error, int line, int column,
  37                      size_t position, enum json_error_code code,
  38                      const char *msg, ...)
  39 {
  40     va_list ap;
  41
  42     va_start(ap, msg);
  43     jsonp_error_vset(error, line, column, position, code, msg, ap);
  44     va_end(ap);
  45 }
  46
  47 void jsonp_error_vset(json_error_t *error, int line, int column,
  48                       size_t position, enum json_error_code code,
  49                       const char *msg, va_list ap)
  50 {
  51     if(!error)
  52         return;
  53
  54     if(error->text[0] != '\0') {
  55         /* error already set */
  56         return;
  57     }
  58
  59     error->line = line;
  60     error->column = column;
  61     error->position = (int)position;
  62
  63     vsnprintf(error->text, JSON_ERROR_TEXT_LENGTH - 1, msg, ap);
  64     error->text[JSON_ERROR_TEXT_LENGTH - 2] = '\0';
  65     error->text[JSON_ERROR_TEXT_LENGTH - 1] = code;
  66 }