strlcat.cpp
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// RUN: %clangxx -O0 -g %s -o %t && %run %t
// UNSUPPORTED: linux
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
void test1() {
const char src[] = "abc";
char dst[7] = {'x', 'y', 'z', 0};
size_t len;
len = strlcat(dst, src, sizeof(dst));
printf("%s %zu ", dst, len);
}
void test2() {
const char src[] = "abc";
char dst[7] = {0};
size_t len;
len = strlcat(dst, src, sizeof(dst));
printf("%s %zu ", dst, len);
}
void test3() {
const char src[] = "abc";
char dst[4] = {'x', 'y', 'z', 0};
size_t len;
len = strlcat(dst, src, sizeof(dst));
printf("%s %zu ", dst, len);
}
void test4() {
const char src[] = "";
char dst[4] = {'x', 'y', 'z', 0};
size_t len;
len = strlcat(dst, src, sizeof(dst));
printf("%s %zu\n", dst, len);
}
int main(void) {
test1();
test2();
test3();
test4();
// CHECK: xyzabc 6 abc 3 xyz 3 xyz 3
return 0;
}