mirror of
https://github.com/pragma-/pbot.git
synced 2024-12-24 19:52:34 +01:00
97 lines
3.5 KiB
C
97 lines
3.5 KiB
C
#include <limits.h>
|
|
#include <wchar.h>
|
|
#include <stdio.h>
|
|
#include <printf.h>
|
|
#include <locale.h>
|
|
|
|
static int printf_binary_handler(FILE *s, const struct printf_info *info, const void *const *args)
|
|
{
|
|
const char *g = 0;
|
|
struct lconv *loc = 0;
|
|
int group = 0, arr = 0, total = 0, len, digits;
|
|
unsigned long long value = info->is_long_double ? *(const unsigned long long *)args[0] :
|
|
info->is_long ? *(const unsigned long *) args[0] :
|
|
info->is_char ? *(const unsigned char *) args[0] :
|
|
info->is_short ? *(const unsigned short *) args[0] :
|
|
*(const unsigned int *) args[0] ;
|
|
|
|
char buf[sizeof value * CHAR_BIT], *p = buf;
|
|
|
|
while(value) *p++ = '0' + (value & 1), value >>= 1;
|
|
len = p - buf;
|
|
digits = info->prec < 0 ? 1 : info->prec;
|
|
if(len > digits) digits = len;
|
|
if(info->alt) {
|
|
if(digits += -digits & 3) total = digits + (digits - 1) / 4 * !!info->group;
|
|
} else {
|
|
total = digits;
|
|
group = info->group && (loc = localeconv(), *(g = loc->grouping));
|
|
if(group) {
|
|
while(*g > 0 && *g < CHAR_MAX) {
|
|
if(digits - arr <= *g) break;
|
|
++total;
|
|
arr += *g++;
|
|
}
|
|
if(!*g) total += (digits - arr - 1) / g[-1];
|
|
}
|
|
}
|
|
while(!info->left && info->width > total++) fprintf(s, "%lc", (wint_t)info->pad);
|
|
if(info->alt)
|
|
while(digits) {
|
|
fputc(digits-- > len ? '0' : *--p, s);
|
|
if(digits && !(digits % 4) && info->group) fputc('.', s);
|
|
}
|
|
else if(group) {
|
|
if(*g) {
|
|
while(digits > arr) fputc(digits-- > len ? '0' : *--p, s);
|
|
} else {
|
|
int j = (digits - arr) % g[-1];
|
|
if(!j) j = g[-1];
|
|
|
|
while(j--) fputc(digits-- > len ? '0' : *--p, s);
|
|
while(digits > arr) {
|
|
fputs(loc->thousands_sep, s);
|
|
for(j = 0; j < g[-1]; ++j) fputc(digits-- > len ? '0' : *--p, s);
|
|
}
|
|
}
|
|
|
|
while(digits) {
|
|
int i = *--g;
|
|
fputs(loc->thousands_sep, s);
|
|
while(i--) fputc(digits-- > len ? '0' : *--p, s);
|
|
}
|
|
|
|
} else while(digits) fputc(digits-- > len ? '0' : *--p, s);
|
|
|
|
while(info->left && info->width > total++) fputc(' ', s);
|
|
return total - 1;
|
|
}
|
|
|
|
static int printf_binary_arginfo(const struct printf_info *info, size_t n, int *types, int *sizes)
|
|
{
|
|
if(n < 1) return -1;
|
|
(void)sizes;
|
|
|
|
types[0] = info->is_long_double ? PA_INT | PA_FLAG_LONG_LONG :
|
|
info->is_long ? PA_INT | PA_FLAG_LONG :
|
|
info->is_char ? PA_CHAR :
|
|
info->is_short ? PA_INT | PA_FLAG_SHORT :
|
|
PA_INT ;
|
|
return 1;
|
|
}
|
|
|
|
__attribute__ (( constructor )) static void printf_binary_register(void)
|
|
{
|
|
setvbuf(stdout, NULL, _IONBF, 0);
|
|
setlocale(LC_ALL, "");
|
|
register_printf_specifier('b', printf_binary_handler, printf_binary_arginfo);
|
|
}
|
|
|
|
void gdb() { __asm__(""); }
|
|
#define dump(...) gdb("print " #__VA_ARGS__)
|
|
#define print(...) gdb("print " #__VA_ARGS__)
|
|
#define ptype(...) gdb("ptype " #__VA_ARGS__)
|
|
#define trace(...) gdb("break " #__VA_ARGS__)
|
|
#define watch(...) gdb("watch " #__VA_ARGS__)
|
|
#define print_last_statement(...) gdb("print_last_statement " #__VA_ARGS__)
|