diff options
| author | dscho <dscho> | 2004-01-19 17:34:25 +0000 |
|---|---|---|
| committer | dscho <dscho> | 2004-01-19 17:34:25 +0000 |
| commit | 6e7aa909e9f4dc03038228fa15942bd3adc87b77 (patch) | |
| tree | 27203f1cfd6c23b63d726f8fcd87b87f4a5093f3 | |
| parent | 15f3a61eb5b9256c42a400d47f96da4174fd5fc3 (diff) | |
| download | libtdevnc-6e7aa909.tar.gz libtdevnc-6e7aa909.zip | |
fix usage of non-existent attribute buffer
| -rw-r--r-- | vncterm/VNConsole.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/vncterm/VNConsole.c b/vncterm/VNConsole.c index a5f1ecb..23da1b0 100644 --- a/vncterm/VNConsole.c +++ b/vncterm/VNConsole.c @@ -171,9 +171,10 @@ void vcScroll(vncConsolePtr c,int lineCount) c->screenBuffer+(c->height-lineCount)*c->width, (c->height-lineCount)*c->width); #ifdef USE_ATTRIBUTE_BUFFER - memmove(c->attributeBuffer, - c->attributeBuffer+(c->height-lineCount)*c->width, - (c->height-lineCount)*c->width); + if(c->attributeBuffer) + memmove(c->attributeBuffer, + c->attributeBuffer+(c->height-lineCount)*c->width, + (c->height-lineCount)*c->width); #endif } else { y1=0; y2=-lineCount*c->cHeight; @@ -182,9 +183,10 @@ void vcScroll(vncConsolePtr c,int lineCount) c->screenBuffer, (c->height+lineCount)*c->width); #ifdef USE_ATTRIBUTE_BUFFER - memmove(c->attributeBuffer-lineCount*c->width, - c->attributeBuffer, - (c->height+lineCount)*c->width); + if(c->attributeBuffer) + memmove(c->attributeBuffer-lineCount*c->width, + c->attributeBuffer, + (c->height+lineCount)*c->width); #endif } @@ -194,8 +196,9 @@ void vcScroll(vncConsolePtr c,int lineCount) memset(c->screenBuffer+y1/c->cHeight*c->width,' ', (y2-y1)/c->cHeight*c->width); #ifdef USE_ATTRIBUTE_BUFFER - memset(c->attributeBuffer+y1/c->cHeight*c->width,0x07, - (y2-y1)/c->cHeight*c->width); + if(c->attributeBuffer) + memset(c->attributeBuffer+y1/c->cHeight*c->width,0x07, + (y2-y1)/c->cHeight*c->width); #endif /* rfbLog("end scroll\n"); */ } |