EPICS_driver_modules/StreamDevice
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bugfix: local buffer was not set to 0 at initialization

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zimoch
2010-10-14 12:13:51 +00:00
parent 9b6f8b3386
commit 1eb8a25432
1 changed files with 8 additions and 1 deletions
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9
src/StreamBuffer.cc
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@ -46,7 +46,7 @@ init(const void* s, long minsize)
else else
{ {
// clear local buffer // clear local buffer
memset(buffer+minsize, 0, cap-minsize); memset(buffer, 0, cap);
} }
if (s) { if (s) {
len = minsize; len = minsize;
@ -54,6 +54,13 @@ init(const void* s, long minsize)
} }
} }
// How the buffer looks like:
// |----free-----|####used####|-------free-------|
///|<--- offs -->|<-- len --->|<- cap-offs-len ->|
// 0 offs offs+len cap
// |<-------------- minsize --------------->
void StreamBuffer:: void StreamBuffer::
grow(long minsize) grow(long minsize)
{ {