Mercurial > hg > CbC > CbC_gcc
comparison gcc/testsuite/gcc.dg/builtins-85.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
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68:561a7518be6b | 111:04ced10e8804 |
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1 /* { dg-do compile } */ | |
2 /* { dg-options "-O2" } */ | |
3 | |
4 typedef __SIZE_TYPE__ size_t; | |
5 extern void __chk_fail (void); | |
6 extern int snprintf (char *, size_t, const char *, ...); | |
7 extern inline __attribute__((gnu_inline, always_inline)) int snprintf (char *a, size_t b, const char *fmt, ...) | |
8 { | |
9 if (__builtin_object_size (a, 0) != -1UL && __builtin_object_size (a, 0) < b) | |
10 __chk_fail (); | |
11 return __builtin_snprintf (a, b, fmt, __builtin_va_arg_pack ()); | |
12 } | |
13 extern int snprintf (char *, size_t, const char *, ...) __asm ("mysnprintf"); | |
14 | |
15 char buf[10]; | |
16 | |
17 int | |
18 main (void) | |
19 { | |
20 snprintf (buf, 10, "%d%d\n", 10, 10); | |
21 return 0; | |
22 } | |
23 | |
24 /* { dg-final { scan-assembler "mysnprintf" } } */ | |
25 /* { dg-final { scan-assembler-not "__chk_fail" } } */ |