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char src1[100] = "hello";
char src2[7] = {'g','o','o','d','b','y','e'};
char dst1[6], dst2[5];
int r1, r2;
r1 = strcpy_s(dst1, 6, src1);
r2 = strcpy_s(dst2, 5, src2);
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However, the call to copy {{src2}} to {{dst2}} fails because there is insufficient space available to copy the entire string, which consists of seven characters, to the destination buffer. As a result, {{r2}} is assigned a nonzero value and {{dst2 |
\[0\]}} is set to "\0." |
Users of the ISO/IEC TR 24731 functions are less likely to introduce a security flaw because the size of the destination buffer and the maximum number of characters to append must be specified. ISO/IEC TR 24731 functions also ensure null termination of the destination string.
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