Use portable format specifiers: Support 'll' in vim_snprintf.

Add support for 'll' length specifier in vim_snprintf/vim_vsnprintf.
This commit is contained in:
Eliseo Martínez 2014-04-21 13:28:43 +02:00 committed by Thiago de Arruda
parent 20fdaaaa94
commit b9c550ebd5

View File

@ -3290,9 +3290,8 @@ int vim_vsnprintf(char *str, size_t str_m, char *fmt, va_list ap, typval_T *tvs)
if (*p == 'h' || *p == 'l') {
length_modifier = *p;
p++;
if (length_modifier == 'l' && *p == 'l') {
/* double l = long long */
length_modifier = 'l'; /* treat it as a single 'l' */
if (length_modifier == 'l' && *p == 'l') { /* double l = long long */
length_modifier = '2'; /* double l encoded as '2' */
p++;
}
}
@ -3310,8 +3309,7 @@ int vim_vsnprintf(char *str, size_t str_m, char *fmt, va_list ap, typval_T *tvs)
/* get parameter value, do initial processing */
switch (fmt_spec) {
/* '%' and 'c' behave similar to 's' regarding flags and field
* widths */
/* '%' and 'c' behave similar to 's' regarding flags and field widths */
case '%':
case 'c':
case 's':
@ -3400,6 +3398,10 @@ int vim_vsnprintf(char *str, size_t str_m, char *fmt, va_list ap, typval_T *tvs)
long int long_arg = 0;
unsigned long int ulong_arg = 0;
/* only defined for length modifier ll */
long long int long_long_arg = 0;
unsigned long long int ulong_long_arg = 0;
/* pointer argument value -only defined for p
* conversion */
void *ptr_arg = NULL;
@ -3430,6 +3432,14 @@ int vim_vsnprintf(char *str, size_t str_m, char *fmt, va_list ap, typval_T *tvs)
else if (long_arg < 0)
arg_sign = -1;
break;
case '2':
long_long_arg = tvs != NULL ? tv_nr(tvs, &arg_idx)
: va_arg(ap, long long int);
if (long_long_arg > 0)
arg_sign = 1;
else if (long_long_arg < 0)
arg_sign = -1;
break;
}
} else {
/* unsigned */
@ -3447,6 +3457,12 @@ int vim_vsnprintf(char *str, size_t str_m, char *fmt, va_list ap, typval_T *tvs)
if (ulong_arg != 0)
arg_sign = 1;
break;
case '2':
ulong_long_arg = tvs != NULL ?
(unsigned long long)tv_nr(tvs, &arg_idx) :
va_arg(ap, unsigned long long int);
if (ulong_long_arg) arg_sign = 1;
break;
}
}
@ -3511,6 +3527,9 @@ int vim_vsnprintf(char *str, size_t str_m, char *fmt, va_list ap, typval_T *tvs)
case 'l': str_arg_l += sprintf(
tmp + str_arg_l, f, long_arg);
break;
case '2': str_arg_l += sprintf(
tmp + str_arg_l, f, long_long_arg);
break;
}
} else {
/* unsigned */
@ -3522,6 +3541,9 @@ int vim_vsnprintf(char *str, size_t str_m, char *fmt, va_list ap, typval_T *tvs)
case 'l': str_arg_l += sprintf(
tmp + str_arg_l, f, ulong_arg);
break;
case '2': str_arg_l += sprintf(
tmp + str_arg_l, f, ulong_long_arg);
break;
}
}