Refactor the test system

test/bin/json_process.c

@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2009 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;
+    unsigned int 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;
+
+    json = json_loadf(stdin, &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;
+}