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-rw-r--r--usr.bin/xstr/xstr.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/usr.bin/xstr/xstr.c b/usr.bin/xstr/xstr.c
index 2ffbc72..6195ff2 100644
--- a/usr.bin/xstr/xstr.c
+++ b/usr.bin/xstr/xstr.c
@@ -231,6 +231,8 @@ yankstr(char **cpp)
static char tmp[] = "b\bt\tr\rn\nf\f\\\\\"\"";
while ((c = *cp++)) {
+ if (dp == dbuf + sizeof(dbuf) - 3)
+ errx(1, "message too long");
switch (c) {
case '"':
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