73 lines
1.4 KiB
C
73 lines
1.4 KiB
C
/*
|
|
* Copyright (c) 2009-2011 Petri Lehtinen <petri@digip.org>
|
|
*
|
|
* Jansson is free software; you can redistribute it and/or modify
|
|
* it under the terms of the MIT license. See LICENSE for details.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <jansson.h>
|
|
|
|
static int getenv_int(const char *name)
|
|
{
|
|
char *value, *end;
|
|
long result;
|
|
|
|
value = getenv(name);
|
|
if(!value)
|
|
return 0;
|
|
|
|
result = strtol(value, &end, 10);
|
|
if(*end != '\0')
|
|
return 0;
|
|
|
|
return (int)result;
|
|
}
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
int indent = 0;
|
|
size_t flags = 0;
|
|
|
|
json_t *json;
|
|
json_error_t error;
|
|
|
|
if(argc != 1) {
|
|
fprintf(stderr, "usage: %s\n", argv[0]);
|
|
return 2;
|
|
}
|
|
|
|
indent = getenv_int("JSON_INDENT");
|
|
if(indent < 0 || indent > 255) {
|
|
fprintf(stderr, "invalid value for JSON_INDENT: %d\n", indent);
|
|
return 2;
|
|
}
|
|
|
|
if(indent > 0)
|
|
flags |= JSON_INDENT(indent);
|
|
|
|
if(getenv_int("JSON_COMPACT") > 0)
|
|
flags |= JSON_COMPACT;
|
|
|
|
if(getenv_int("JSON_ENSURE_ASCII"))
|
|
flags |= JSON_ENSURE_ASCII;
|
|
|
|
if(getenv_int("JSON_PRESERVE_ORDER"))
|
|
flags |= JSON_PRESERVE_ORDER;
|
|
|
|
if(getenv_int("JSON_SORT_KEYS"))
|
|
flags |= JSON_SORT_KEYS;
|
|
|
|
json = json_loadf(stdin, 0, &error);
|
|
if(!json) {
|
|
fprintf(stderr, "%d\n%s\n", error.line, error.text);
|
|
return 1;
|
|
}
|
|
|
|
json_dumpf(json, stdout, flags);
|
|
json_decref(json);
|
|
|
|
return 0;
|
|
}
|