test emacs: Add tests for hiding messages in notmuch-show view

[notmuch] / json.c

diff --git a/json.c b/json.c
index 396075002db017309f8768b0a1c75e0967aaeeba..817fc83a3de060eb954575138a7c2c50471982ea 100644 (file)
--- a/json.c
+++ b/json.c
@@ -1,5 +1,6 @@
 /* notmuch - Not much of an email program, (just index and search)
  *
+ * Copyright © 2009 Dave Gamble
  * Copyright © 2009 Scott Robinson
  *
  * This program is free software: you can redistribute it and/or modify
@@ -15,41 +16,68 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see http://www.gnu.org/licenses/ .
  *
- * Authors: Scott Robinson <scott@quadhome.com>
+ * Authors: Dave Gamble
+ *          Scott Robinson <scott@quadhome.com>
  *
  */
 
 #include "notmuch-client.h"
 
-/*
- * json_quote_str derived from cJSON's print_string_ptr,
+/* This function was derived from the print_string_ptr function of
+ * cJSON (http://cjson.sourceforge.net/) and is used by permission of
+ * the following license:
+ *
  * Copyright (c) 2009 Dave Gamble
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
  */
 
 char *
-json_quote_str(const void *ctx, const char *str)
+json_quote_chararray(const void *ctx, const char *str, const size_t len)
 {
     const char *ptr;
     char *ptr2;
     char *out;
-    int len = 0;
-
-    if (!str)
-       return NULL;
+    size_t loop;
+    size_t required;
 
-    for (ptr = str; *ptr; len++, ptr++) {
-       if (*ptr < 32 || *ptr == '\"' || *ptr == '\\')
-           len++;
+    for (loop = 0, required = 0, ptr = str;
+        loop < len;
+        loop++, required++, ptr++) {
+       if ((unsigned char)(*ptr) < 32 || *ptr == '\"' || *ptr == '\\')
+           required++;
     }
 
-    out = talloc_array (ctx, char, len + 3);
+    /*
+     * + 3 for:
+     * - leading quotation mark,
+     * - trailing quotation mark,
+     * - trailing NULL.
+     */
+    out = talloc_array (ctx, char, required + 3);
 
     ptr = str;
     ptr2 = out;
 
     *ptr2++ = '\"';
-    while (*ptr) {
-           if (*ptr > 31 && *ptr != '\"' && *ptr != '\\') {
+    for (loop = 0; loop < len; loop++) {
+       if ((unsigned char)(*ptr) > 31 && *ptr != '\"' && *ptr != '\\') {
                *ptr2++ = *ptr++;
            } else {
                *ptr2++ = '\\';
@@ -70,3 +98,12 @@ json_quote_str(const void *ctx, const char *str)
 
     return out;
 }
+
+char *
+json_quote_str(const void *ctx, const char *str)
+{
+    if (str == NULL)
+       str = "";
+
+    return (json_quote_chararray (ctx, str, strlen (str)));
+}