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Make base as template argument for optimization

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topjohnwu 2023-04-03 18:28:41 -07:00 committed by John Wu
parent 2087e47300
commit 41b77e4f25
1 changed files with 9 additions and 9 deletions
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18
native/src/base/misc.cpp
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@ -145,10 +145,10 @@ void set_nice_name(const char *name) {
prctl(PR_SET_NAME, name); prctl(PR_SET_NAME, name);
} }
template<typename T> template<typename T, int base>
static T parse_num(string_view s, int base) { static T parse_num(string_view s) {
T acc = 0; T val = 0;
for (char c: s) { for (char c : s) {
if (isdigit(c)) { if (isdigit(c)) {
c -= '0'; c -= '0';
} else if (base > 10 && isalpha(c)) { } else if (base > 10 && isalpha(c)) {
@ -159,10 +159,10 @@ static T parse_num(string_view s, int base) {
if (c >= base) { if (c >= base) {
return -1; return -1;
} }
acc *= base; val *= base;
acc += c; val += c;
} }
return acc; return val;
} }
/* /*
@ -170,11 +170,11 @@ static T parse_num(string_view s, int base) {
* Use our own implementation for faster conversion. * Use our own implementation for faster conversion.
*/ */
int parse_int(string_view s) { int parse_int(string_view s) {
return parse_num<int>(s, 10); return parse_num<int, 10>(s);
} }
uint64_t parse_uint64_hex(string_view s) { uint64_t parse_uint64_hex(string_view s) {
return parse_num<uint64_t>(s, 16); return parse_num<uint64_t, 16>(s);
} }
uint32_t binary_gcd(uint32_t u, uint32_t v) { uint32_t binary_gcd(uint32_t u, uint32_t v) {