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Commit f6c6398d authored by Alessandro Rubini's avatar Alessandro Rubini
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pp_printf: bugfix: support negatives in xint flavour 

Signed-off-by: Alessandro Rubini's avatarAlessandro Rubini <rubini@gnudd.com>
parent 89d6347d
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Showing with 12 additions and 2 deletions
pp_printf/vsprintf-xint.c
View file @ f6c6398d
...@@ -11,17 +11,27 @@ static const char hex[] = "0123456789abcdef"; ...@@ -11,17 +11,27 @@ static const char hex[] = "0123456789abcdef";
static int number(char *out, int value, int base, int lead, int wid) static int number(char *out, int value, int base, int lead, int wid)
{ {
char tmp[16]; char tmp[16];
int i = 16, ret; int i = 16, ret, negative = 0;
/* No error checking at all: it is as ugly as possible */ /* No error checking at all: it is as ugly as possible */
if (value < 0) {
negative = 1;
value = -value;
}
while (value && i) { while (value && i) {
tmp[--i] = hex[value % base]; tmp[--i] = hex[value % base];
value /= base; value /= base;
} }
if (i == 16) if (i == 16)
tmp[--i] = '0'; tmp[--i] = '0';
while (i > 16 - wid) if (negative && lead == ' ') {
tmp[--i] = '-';
negative = 0;
}
while (i > 16 - wid - negative)
tmp[--i] = lead; tmp[--i] = lead;
if (negative)
tmp[--i] = '-';
ret = 16 - i; ret = 16 - i;
while (i < 16) while (i < 16)
*(out++) = tmp[i++]; *(out++) = tmp[i++];
......
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