---
 src/gallium/auxiliary/gallivm/lp_bld_printf.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/gallium/auxiliary/gallivm/lp_bld_printf.c 
b/src/gallium/auxiliary/gallivm/lp_bld_printf.c
index 16ef25a..35e9197 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_printf.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_printf.c
@@ -118,16 +118,16 @@ lp_build_print_value(struct gallivm_state *gallivm,
 
    params[1] = lp_build_const_string(gallivm, msg);
    if (length == 1) {
-      util_strncat(format, type_fmt, sizeof format);
+      util_strncat(format, type_fmt, sizeof(format)-strlen(format)-1);
       params[2] = value;
    } else {
       for (i = 0; i < length; ++i) {
-         util_strncat(format, type_fmt, sizeof format);
+         util_strncat(format, type_fmt, sizeof(format)-strlen(format)-1);
          params[2 + i] = LLVMBuildExtractElement(builder, value, 
lp_build_const_int32(gallivm, i), "");
       }
    }
 
-   util_strncat(format, "\n", sizeof format);
+   util_strncat(format, "\n", sizeof(format)-strlen(format)-1);
 
    params[0] = lp_build_const_string(gallivm, format);
    return lp_build_print_args(gallivm, 2 + length, params);
-- 
1.7.7

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