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Check user_strlcpy() return value (CID 4053).

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@40096 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold
2011-01-03 19:09:14 +00:00
parent 0068f3c810
commit 40982d1e05
1 changed files with 4 additions and 3 deletions
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src/system/kernel/debug/debug.cpp
+4 -3
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@@ -2246,17 +2246,18 @@ _user_kernel_debugger(const char *userMessage)
void void
_user_debug_output(const char* userString) _user_debug_output(const char* userString)
{ {
char string[512];
int32 length;
if (!sSerialDebugEnabled && !sSyslogOutputEnabled) if (!sSerialDebugEnabled && !sSyslogOutputEnabled)
return; return;
if (!IS_USER_ADDRESS(userString)) if (!IS_USER_ADDRESS(userString))
return; return;
char string[512];
int32 length;
do { do {
length = user_strlcpy(string, userString, sizeof(string)); length = user_strlcpy(string, userString, sizeof(string));
if (length <= 0)
break;
debug_puts(string, length); debug_puts(string, length);
userString += sizeof(string) - 1; userString += sizeof(string) - 1;
} while (length >= (ssize_t)sizeof(string)); } while (length >= (ssize_t)sizeof(string));