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22 lines
445 B
C
22 lines
445 B
C
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#include "memset_s.h"
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#define RSIZE_MAX 0x7fffffffffffffffUL
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errno_t memset_s(void* s, rsize_t smax, int c, rsize_t n) {
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if(!s || smax > RSIZE_MAX) {
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return EINVAL;
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}
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errno_t violation_present = 0;
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if(n > smax) {
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n = smax;
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violation_present = EINVAL;
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}
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volatile unsigned char* v = s;
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for(rsize_t i = 0u; i < n; ++i) {
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*v++ = (unsigned char)c;
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}
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return violation_present;
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}
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