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cosmetic changes

This commit is contained in:
Yuichi Nishiwaki 2015-07-20 02:04:51 +09:00
parent 4a7c87eb84
commit 5e13d35d10
1 changed files with 53 additions and 53 deletions
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106
extlib/benz/number.c
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@ -4,59 +4,6 @@
#include "picrin.h" #include "picrin.h"
/**
* Returns the length of string representing val.
* radix is between 2 and 36 (inclusive).
* No error checks are performed in this function.
*/
static int
number_string_length(int val, int radix)
{
unsigned long v = val; /* in case val == INT_MIN */
int count = 0;
if (val == 0) {
return 1;
}
if (val < 0) {
v = -val;
count = 1;
}
while (v > 0) {
++count;
v /= radix;
}
return count;
}
/**
* Returns the string representing val.
* radix is between 2 and 36 (inclusive).
* This function overwrites buffer and stores the result.
* No error checks are performed in this function. It is caller's responsibility to avoid buffer-overrun.
*/
static void
number_string(int val, int radix, int length, char *buffer) {
const char digits[37] = "0123456789abcdefghijklmnopqrstuvwxyz";
unsigned long v = val;
int i;
if (val == 0) {
buffer[0] = '0';
buffer[1] = '\0';
return;
}
if (val < 0) {
buffer[0] = '-';
v = -val;
}
for(i = length - 1; v > 0; --i) {
buffer[i] = digits[v % radix];
v /= radix;
}
buffer[length] = '\0';
return;
}
static pic_value static pic_value
pic_number_number_p(pic_state *pic) pic_number_number_p(pic_state *pic)
{ {
@ -178,6 +125,59 @@ DEFINE_AOP(div, pic_div(pic, pic_int_value(1), argv[0]), do {
pic_errorf(pic, "/: at least one argument required"); pic_errorf(pic, "/: at least one argument required");
} while (0)) } while (0))
/**
* Returns the length of string representing val.
* radix is between 2 and 36 (inclusive).
* No error checks are performed in this function.
*/
static int
number_string_length(int val, int radix)
{
unsigned long v = val; /* in case val == INT_MIN */
int count = 0;
if (val == 0) {
return 1;
}
if (val < 0) {
v = -val;
count = 1;
}
while (v > 0) {
++count;
v /= radix;
}
return count;
}
/**
* Returns the string representing val.
* radix is between 2 and 36 (inclusive).
* This function overwrites buffer and stores the result.
* No error checks are performed in this function. It is caller's responsibility to avoid buffer-overrun.
*/
static void
number_string(int val, int radix, int length, char *buffer) {
const char digits[37] = "0123456789abcdefghijklmnopqrstuvwxyz";
unsigned long v = val;
int i;
if (val == 0) {
buffer[0] = '0';
buffer[1] = '\0';
return;
}
if (val < 0) {
buffer[0] = '-';
v = -val;
}
for(i = length - 1; v > 0; --i) {
buffer[i] = digits[v % radix];
v /= radix;
}
buffer[length] = '\0';
return;
}
static pic_value static pic_value
pic_number_number_to_string(pic_state *pic) pic_number_number_to_string(pic_state *pic)
{ {