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-rw-r--r--src/expect/snprintf.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/expect/snprintf.c b/src/expect/snprintf.c
index b981625..64a6589 100644
--- a/src/expect/snprintf.c
+++ b/src/expect/snprintf.c
@@ -26,8 +26,7 @@ int __snprintf_expect(char *buf,
}
/* NULL terminated string */
- if (snprintf(buf+size, len-size, "\0") == -1)
- return -1;
+ buf[size+1 > len ? len-1 : size] = '\0';
return size;
}