Magic-Mirror/gecko-dev
1
0
Fork 0
mirror of https://github.com/mozilla/gecko-dev.git synced 2024-11-24 13:21:05 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Bug 1025183 P2 Document how UTF16CharEnumerator treats buffer position on error. r=bz

Browse Source
This commit is contained in:
Ben Kelly 2014-08-01 16:23:48 -04:00
parent 9e28c19084
commit f3c30ce8d7
1 changed files with 7 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
xpcom/string/nsUTF8Utils.h
View File

@ -11,6 +11,7 @@
// use XPCOM assertion/debugging macros, etc.
#include "nscore.h"
#include "mozilla/Assertions.h"
#include "mozilla/SSE.h"
#include "nsCharTraits.h"
@ -167,6 +168,11 @@ private:
* Extract the next UCS-4 character from the buffer and return it. The
* pointer passed in is advanced to the start of the next character in the
* buffer. If non-null, the err parameter is filled in if an error occurs.
*
* If an error occurs that causes UCS2_REPLACEMENT_CHAR to be returned, then
* the buffer will be updated to move only a single UCS-2 character.
*
* Any other error returns 0 and does not move the buffer position.
*/
@ -259,10 +265,7 @@ public:
return 0xFFFD;
}
if (aErr) {
*aErr = true;
}
return 0;
MOZ_ASSERT_UNREACHABLE("Impossible UCS-2 character value.");
}
};