diff options
Diffstat (limited to 'src/corelib/tools/qringbuffer_p.h')
-rw-r--r-- | src/corelib/tools/qringbuffer_p.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/corelib/tools/qringbuffer_p.h b/src/corelib/tools/qringbuffer_p.h index c44346cc94..7c766cb7f2 100644 --- a/src/corelib/tools/qringbuffer_p.h +++ b/src/corelib/tools/qringbuffer_p.h @@ -287,6 +287,33 @@ public: return -1; } + inline int indexOf(char c, int maxLength) const { + int index = 0; + int remain = qMin(size(), maxLength); + for (int i = 0; remain && i < buffers.size(); ++i) { + int start = 0; + int end = buffers.at(i).size(); + + if (i == 0) + start = head; + if (i == tailBuffer) + end = tail; + if (remain < end - start) { + end = start + remain; + remain = 0; + } else { + remain -= end - start; + } + const char *ptr = buffers.at(i).data() + start; + for (int j = start; j < end; ++j) { + if (*ptr++ == c) + return index; + ++index; + } + } + return -1; + } + inline int read(char *data, int maxLength) { int bytesToRead = qMin(size(), maxLength); int readSoFar = 0; |