Renamed un/format_environment().

[nssm.git] / registry.cpp

diff --git a/registry.cpp b/registry.cpp
index 220e060..1e801ee 100644 (file)
--- a/registry.cpp
+++ b/registry.cpp
@@ -349,6 +349,65 @@ int get_number(HKEY key, TCHAR *value, unsigned long *number) {
   return get_number(key, value, number, true);\r
 }\r
 \r
+/* Replace NULL with CRLF. Leave NULL NULL as the end marker. */\r
+int format_double_null(TCHAR *dn, unsigned long dnlen, TCHAR **formatted, unsigned long *newlen) {\r
+  unsigned long i, j;\r
+  *newlen = dnlen;\r
+\r
+  if (! *newlen) {\r
+    *formatted = 0;\r
+    return 0;\r
+  }\r
+\r
+  for (i = 0; i < dnlen; i++) if (! dn[i] && dn[i + 1]) ++*newlen;\r
+\r
+  *formatted = (TCHAR *) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, *newlen * sizeof(TCHAR));\r
+  if (! *formatted) {\r
+    *newlen = 0;\r
+    return 1;\r
+  }\r
+\r
+  for (i = 0, j = 0; i < dnlen; i++) {\r
+    (*formatted)[j] = dn[i];\r
+    if (! dn[i]) {\r
+      if (dn[i + 1]) {\r
+        (*formatted)[j] = _T('\r');\r
+        (*formatted)[++j] = _T('\n');\r
+      }\r
+    }\r
+    j++;\r
+  }\r
+\r
+  return 0;\r
+}\r
+\r
+/* Strip CR and replace LF with NULL. */\r
+int unformat_double_null(TCHAR *dn, unsigned long dnlen, TCHAR **unformatted, unsigned long *newlen) {\r
+  unsigned long i, j;\r
+  *newlen = 0;\r
+\r
+  if (! dnlen) {\r
+    *unformatted = 0;\r
+    return 0;\r
+  }\r
+\r
+  for (i = 0; i < dnlen; i++) if (dn[i] != _T('\r')) ++*newlen;\r
+  /* Must end with two NULLs. */\r
+  *newlen += 2;\r
+\r
+  *unformatted = (TCHAR *) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, *newlen * sizeof(TCHAR));\r
+  if (! *unformatted) return 1;\r
+\r
+  for (i = 0, j = 0; i < dnlen; i++) {\r
+    if (dn[i] == _T('\r')) continue;\r
+    if (dn[i] == _T('\n')) (*unformatted)[j] = _T('\0');\r
+    else (*unformatted)[j] = dn[i];\r
+    j++;\r
+  }\r
+\r
+  return 0;\r
+}\r
+\r
 void override_milliseconds(TCHAR *service_name, HKEY key, TCHAR *value, unsigned long *buffer, unsigned long default_value, unsigned long event) {\r
   unsigned long type = REG_DWORD;\r
   unsigned long buflen = sizeof(unsigned long);\r