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Prevent crash if dumping buffer contents

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This commit is contained in:
Jeremy Lakeman 2013-08-30 15:10:54 +09:30
parent 572d7c2b5d
commit abdd3e12c9
1 changed files with 4 additions and 3 deletions
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7
overlay_buffer.c
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@ -504,9 +504,10 @@ int asprintable(int c)
return c; return c;
} }
int ob_dump(struct overlay_buffer *b,char *desc) int ob_dump(struct overlay_buffer *b, char *desc)
{ {
DEBUGF("overlay_buffer '%s' at %p : position=%d, size=%d", desc, b, b->position, b->sizeLimit); DEBUGF("overlay_buffer '%s' at %p (%p) : position=%d, size=%d", desc, b, b->bytes, b->position, b->sizeLimit);
dump(NULL, b->bytes, b->sizeLimit>b->position?b->sizeLimit:b->position); if (b->bytes && (b->position || b->sizeLimit))
dump(desc, b->bytes, b->position?b->position:b->sizeLimit);
return 0; return 0;
} }