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131
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1 /* PR middle-end/83373 - False positive reported by -Wstringop-overflow
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2 { dg-do compile }
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3 { dg-options "-O2 -Wstringop-overflow" } */
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4
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5 typedef __SIZE_TYPE__ size_t;
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6
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7 char buf[100];
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8
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9 void get_data (char*);
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10
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11 __attribute__ ((nonnull(1, 2)))
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12 inline char* my_strcpy (char* dst, const char* src, size_t size)
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13 {
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14 size_t len = __builtin_strlen (src);
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15 if (len < size)
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16 __builtin_memcpy (dst, src, len + 1);
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17 else
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18 {
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19 __builtin_memcpy (dst, src, size - 1); /* { dg-bogus "\\\[-Wstringop-oveflow]" } */
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20 dst[size - 1] = '\0';
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21 }
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22
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23 return dst;
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24 }
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25
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26 void test(void)
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27 {
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28 char data[20] = "12345";
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29
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30 get_data (data);
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31
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32 my_strcpy (buf, data, sizeof buf);
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33 }
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