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/*
A better alternative to strncpy. dest is guaranteed to be a null-terminated string
after this function is run.
Returns the number of characters copied to dest, not including the null character.
destsz must be greater than 0.
*/
size_t str_copy(char *dest, size_t destsz, const char *src) {
assert(destsz);
if (!*src) {
*dest = 0;
return 0;
}
for (size_t i = 0; i < destsz-1; i++) {
*dest = *src;
if (!*src) {
*dest = 0;
return i;
}
src++; dest++;
}
dest[destsz-1] = 0;
return destsz-1;
}
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