idn_win32: Use boolean based success codes

Rather than use 0 and 1 integer base result codes use a FALSE / TRUE
based success code.

1 files changed, 14 insertions, 10 deletions

diff --git a/lib/idn_win32.c b/lib/idn_win32.c
index 8b5baf73b..8dc300b36 100644
--- a/lib/idn_win32.c
+++ b/lib/idn_win32.c
@@ -65,12 +65,13 @@ WINBASEAPI int WINAPI IdnToUnicode(DWORD dwFlags,
 
 #define IDN_MAX_LENGTH 255
 
-int curl_win32_idn_to_ascii(const char *in, char **out);
-int curl_win32_ascii_to_idn(const char *in, char **out);
+bool curl_win32_idn_to_ascii(const char *in, char **out);
+bool curl_win32_ascii_to_idn(const char *in, char **out);
 
-int curl_win32_idn_to_ascii(const char *in, char **out)
+bool curl_win32_idn_to_ascii(const char *in, char **out)
 {
-  int ret = 0;
+  bool success = FALSE;
+
   wchar_t *in_w = Curl_convert_UTF8_to_wchar(in);
   if(in_w) {
     wchar_t punycode[IDN_MAX_LENGTH];
@@ -79,15 +80,17 @@ int curl_win32_idn_to_ascii(const char *in, char **out)
     if(chars) {
       *out = Curl_convert_wchar_to_UTF8(punycode);
       if(*out)
-        ret = 1; /* success */
+        success = TRUE;
     }
   }
-  return ret;
+
+  return success;
 }
 
-int curl_win32_ascii_to_idn(const char *in, char **out)
+bool curl_win32_ascii_to_idn(const char *in, char **out)
 {
-  int ret = 0;
+  bool success = FALSE;
+
   wchar_t *in_w = Curl_convert_UTF8_to_wchar(in);
   if(in_w) {
     size_t in_len = wcslen(in_w) + 1;
@@ -98,10 +101,11 @@ int curl_win32_ascii_to_idn(const char *in, char **out)
     if(chars) {
       *out = Curl_convert_wchar_to_UTF8(unicode);
       if(*out)
-        ret = 1; /* success */
+        success = TRUE;
     }
   }
-  return ret;
+
+  return success;
 }
 
 #endif /* USE_WIN32_IDN */