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[PATCHv2,07/22] lm32: avoid buffer overrun

Message ID 1338364001-13892-8-git-send-email-jim@meyering.net
State New
Headers show

Commit Message

Jim Meyering May 30, 2012, 7:46 a.m. UTC 
From: Jim Meyering <meyering@redhat.com>

Actually do what the comment says, using pstrcpy NUL-terminate:
strncpy does not always do that.

Signed-off-by: Jim Meyering <meyering@redhat.com>
---
 hw/lm32_hwsetup.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/hw/lm32_hwsetup.h b/hw/lm32_hwsetup.h
index 8fc285e..70dc61f 100644
--- a/hw/lm32_hwsetup.h
+++ b/hw/lm32_hwsetup.h
@@ -96,7 +96,7 @@  static inline void hwsetup_add_tag(HWSetup *hw, enum hwsetup_tag t)

 static inline void hwsetup_add_str(HWSetup *hw, const char *str)
 {
-    strncpy(hw->ptr, str, 31); /* make sure last byte is zero */
+    pstrcpy(hw->ptr, 32, str);
     hw->ptr += 32;
 }