First release of open-appsec source code

external/yajl/example/parse_config.c

@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2007-2014, Lloyd Hilaiel <me@lloyd.io>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+#include "yajl/yajl_tree.h"
+
+static unsigned char fileData[65536];
+
+int
+main(void)
+{
+    size_t rd;
+    yajl_val node;
+    char errbuf[1024];
+
+    /* null plug buffers */
+    fileData[0] = errbuf[0] = 0;
+
+    /* read the entire config file */
+    rd = fread((void *) fileData, 1, sizeof(fileData) - 1, stdin);
+
+    /* file read error handling */
+    if (rd == 0 && !feof(stdin)) {
+        fprintf(stderr, "error encountered on file read\n");
+        return 1;
+    } else if (rd >= sizeof(fileData) - 1) {
+        fprintf(stderr, "config file too big\n");
+        return 1;
+    }
+
+    /* we have the whole config file in memory.  let's parse it ... */
+    node = yajl_tree_parse((const char *) fileData, errbuf, sizeof(errbuf));
+
+    /* parse error handling */
+    if (node == NULL) {
+        fprintf(stderr, "parse_error: ");
+        if (strlen(errbuf)) fprintf(stderr, " %s", errbuf);
+        else fprintf(stderr, "unknown error");
+        fprintf(stderr, "\n");
+        return 1;
+    }
+
+    /* ... and extract a nested value from the config file */
+    {
+        const char * path[] = { "Logging", "timeFormat", (const char *) 0 };
+        yajl_val v = yajl_tree_get(node, path, yajl_t_string);
+        if (v) printf("%s/%s: %s\n", path[0], path[1], YAJL_GET_STRING(v));
+        else   printf("no such node: %s/%s\n", path[0], path[1]);
+    }
+
+    yajl_tree_free(node);
+
+    return 0;
+}