1#include <string.h>
2#include "jansson_private.h"
3
4void 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
19void 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        strcpy(error->source, source);
29    else {
30        size_t extra = length - JSON_ERROR_SOURCE_LENGTH + 4;
31        strcpy(error->source, "...");
32        strcpy(error->source + 3, source + extra);
33    }
34}
35
36void jsonp_error_set(json_error_t *error, int line, int column,
37                     size_t position, const char *msg, ...)
38{
39    va_list ap;
40
41    va_start(ap, msg);
42    jsonp_error_vset(error, line, column, position, msg, ap);
43    va_end(ap);
44}
45
46void jsonp_error_vset(json_error_t *error, int line, int column,
47                      size_t position, const char *msg, va_list ap)
48{
49    if(!error)
50        return;
51
52    if(error->text[0] != '\0') {
53        /* error already set */
54        return;
55    }
56
57    error->line = line;
58    error->column = column;
59    error->position = position;
60
61    vsnprintf(error->text, JSON_ERROR_TEXT_LENGTH, msg, ap);
62    error->text[JSON_ERROR_TEXT_LENGTH - 1] = '\0';
63}
64