Mercurial > hg > CbC > CbC_gcc
diff gcc/testsuite/c-c++-common/Wstringop-truncation-3.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/c-c++-common/Wstringop-truncation-3.c Thu Oct 25 07:37:49 2018 +0900 @@ -0,0 +1,22 @@ +/* PR tree-optimization/84228 */ +/* { dg-do compile } */ +/* { dg-options "-Wstringop-truncation -O2 -g" } */ + +char *strncpy (char *, const char *, __SIZE_TYPE__); +struct S +{ + char arr[64]; +}; + +int +foo (struct S *p1, const char *a) +{ + int b = 5, c = 6, d = 7; + if (a) + goto err; + strncpy (p1->arr, a, sizeof p1->arr); /* { dg-bogus "specified bound" } */ + b = 8; c = 9; d = 10; + p1->arr[3] = '\0'; +err: + return 0; +}