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Test if type casting a 'signed int' to a 'signed long long' fails to do sign extension on x86_64.

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This commit is contained in:
Yang Tse 2008-08-24 00:15:59 +00:00
parent 1c04aa54a7
commit 79cbe50894
1 changed files with 10 additions and 1 deletions
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11
lib/mprintf.c
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@ -325,6 +325,7 @@ static long dprintf_Pass1(const char *format, va_stack_t *vto, char **endpos,
int flags; int flags;
long max_param=0; long max_param=0;
long i; long i;
int aux_signed_int;
while(*fmt) { while(*fmt) {
if(*fmt++ == '%') { if(*fmt++ == '%') {
@ -591,9 +592,17 @@ static long dprintf_Pass1(const char *format, va_stack_t *vto, char **endpos,
else if(vto[i].flags & FLAGS_UNSIGNED) else if(vto[i].flags & FLAGS_UNSIGNED)
vto[i].data.num.as_unsigned = vto[i].data.num.as_unsigned =
(mp_uintmax_t)va_arg(arglist, unsigned int); (mp_uintmax_t)va_arg(arglist, unsigned int);
else else {
/*
vto[i].data.num.as_signed = vto[i].data.num.as_signed =
(mp_intmax_t)va_arg(arglist, int); (mp_intmax_t)va_arg(arglist, int);
*/
aux_signed_int = va_arg(arglist, int);
if(sizeof(mp_intmax_t) > sizeof(long))
vto[i].data.num.as_signed = (mp_intmax_t)aux_signed_int;
else
vto[i].data.num.as_signed = (long)aux_signed_int;
}
} }
break; break;