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111
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1 /* { dg-do compile } */
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2 /* { dg-options "-O2" } */
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3
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4 typedef __SIZE_TYPE__ size_t;
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5 extern void __chk_fail (void);
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6 extern int snprintf (char *, size_t, const char *, ...);
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7 extern inline __attribute__((gnu_inline, always_inline)) int snprintf (char *a, size_t b, const char *fmt, ...)
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8 {
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9 if (__builtin_object_size (a, 0) != -1UL && __builtin_object_size (a, 0) < b)
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10 __chk_fail ();
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11 return __builtin_snprintf (a, b, fmt, __builtin_va_arg_pack ());
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12 }
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13 extern int snprintf (char *, size_t, const char *, ...) __asm ("mysnprintf");
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14
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15 char buf[10];
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16
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17 int
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18 main (void)
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19 {
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20 snprintf (buf, 10, "%d%d\n", 10, 10);
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21 return 0;
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22 }
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23
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24 /* { dg-final { scan-assembler "mysnprintf" } } */
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25 /* { dg-final { scan-assembler-not "__chk_fail" } } */
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