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* "traced" now always prints the index numbers (before, it only did that

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when a pattern was involved).
* alloc_tracing_buffer() no longer allocates anything when you ask for
  a zero byte buffer.
* Fixed warning.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@23533 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2008-01-15 15:06:15 +00:00
parent 502c464081
commit 36a3ef573d
1 changed files with 5 additions and 5 deletions
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src/system/kernel/debug/tracing.cpp
+5 -5
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@@ -201,7 +201,7 @@ dump_tracing(int argc, char** argv)
if (start < 0) if (start < 0)
start = 0; start = 0;
if (start + count > sEntries) if (uint32(start + count) > sEntries)
count = sEntries - start; count = sEntries - start;
int32 index = 0; int32 index = 0;
@@ -229,10 +229,7 @@ dump_tracing(int argc, char** argv)
dumped++; dumped++;
if (pattern != NULL) kprintf("%5ld. %s\n", index, buffer);
kprintf("%5ld. %s\n", index, buffer);
else
kprintf("%s\n", buffer);
} else } else
kprintf("%5ld. ** uninitialized entry **\n", index); kprintf("%5ld. ** uninitialized entry **\n", index);
} }
@@ -249,6 +246,9 @@ dump_tracing(int argc, char** argv)
extern "C" uint8* extern "C" uint8*
alloc_tracing_buffer(size_t size) alloc_tracing_buffer(size_t size)
{ {
if (size == 0)
return NULL;
#if ENABLE_TRACING #if ENABLE_TRACING
trace_entry* entry = allocate_entry(size + sizeof(trace_entry)); trace_entry* entry = allocate_entry(size + sizeof(trace_entry));
if (entry == NULL) if (entry == NULL)