From: Marc Cromme <marc@indexdata.dk>
Date: Mon, 7 May 2007 08:15:34 +0000 (+0000)
Subject: corrected error handeling in UErrorCode icu_utf16_from_utf8() to
X-Git-Tag: PAZPAR2.1.0.0~174
X-Git-Url: http://sru.miketaylor.org.uk/?a=commitdiff_plain;h=1ea74f79189dfde78b3b65e7355774da84efd0dc;p=pazpar2-moved-to-github.git

corrected error handeling in UErrorCode icu_utf16_from_utf8() to
mirror the error handeling in UErrorCode icu_utf16_from_utf8_cstr();
---

diff --git a/src/icu_bug_2.c b/src/icu_bug_2.c
index d283d9d..25d4a28 100644
--- a/src/icu_bug_2.c
+++ b/src/icu_bug_2.c
@@ -160,20 +160,31 @@ UErrorCode icu_utf16_from_utf8(struct icu_buf_utf16 * dest16,
                                struct icu_buf_utf8 * src8,
                                UErrorCode * status)
 {
-  printf("icu_utf16_from_utf8 - needs correcting, see icu_utf16_from_utf8_cstr\n");
-
-  u_strFromUTF8(dest16->utf16, dest16->utf16_cap, &(dest16->utf16_len),
+  int32_t utf16_len = 0;
+  
+  u_strFromUTF8(dest16->utf16, dest16->utf16_cap,
+                &utf16_len,
                 (const char *) src8->utf8, src8->utf8_len, status);
-
+  
   // check for buffer overflow, resize and retry
-  if (dest16->utf16_len > dest16->utf16_cap){
-    printf("icu_utf16_from_utf8 need resize\n");
-    icu_buf_utf16_resize(dest16, dest16->utf16_len * 2);
+  if (*status == U_BUFFER_OVERFLOW_ERROR
+      //|| dest16->utf16_len > dest16->utf16_cap
+      ){
+    icu_buf_utf16_resize(dest16, utf16_len * 2);
     *status = U_ZERO_ERROR;
-    u_strFromUTF8(dest16->utf16, dest16->utf16_cap, &(dest16->utf16_len),
-                  (const char*) src8->utf8, src8->utf8_len, status);
+    u_strFromUTF8(dest16->utf16, dest16->utf16_cap,
+                  &utf16_len,
+                  (const char *) src8->utf8, src8->utf8_len, status);
   }
 
+  if (*status != U_BUFFER_OVERFLOW_ERROR
+      && utf16_len < dest16->utf16_cap)
+    dest16->utf16_len = utf16_len;
+  else {
+    dest16->utf16[0] = (UChar) 0;
+    dest16->utf16_len = 0;
+  }
+  
   return *status;
 };
 
@@ -190,7 +201,6 @@ UErrorCode icu_utf16_from_utf8_cstr(struct icu_buf_utf16 * dest16,
   
   u_strFromUTF8(dest16->utf16, dest16->utf16_cap,
                 &utf16_len,
-                //&(dest16->utf16_len),
                 src8cstr, src8cstr_len, status);
   
   // check for buffer overflow, resize and retry
@@ -201,7 +211,6 @@ UErrorCode icu_utf16_from_utf8_cstr(struct icu_buf_utf16 * dest16,
     *status = U_ZERO_ERROR;
     u_strFromUTF8(dest16->utf16, dest16->utf16_cap,
                   &utf16_len,
-                  //&(dest16->utf16_len),
                   src8cstr, src8cstr_len, status);
   }