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lib: sbi: Add '+' flags for print

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Adds + flags for print, prefixing positive numbers with + when this
flags is present

Signed-off-by: Xiang W <wxjstz@126.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Xiang W
2023-07-10 00:02:23 +08:00
committed by Anup Patel
parent 35ef182690
commit 40dac06e3c
1 changed files with 16 additions and 9 deletions
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25
lib/sbi/sbi_console.c
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@@ -120,6 +120,7 @@ unsigned long sbi_ngets(char *str, unsigned long len)
#define PAD_RIGHT 1
#define PAD_ZERO 2
#define PAD_ALTERNATE 4
#define PAD_SIGN 8
#define PRINT_BUF_LEN 64
#define va_start(v, l) __builtin_va_start((v), l)
@@ -186,15 +187,18 @@ static int prints(char **out, u32 *out_len, const char *string, int width,
static int printi(char **out, u32 *out_len, long long i, int b, int sg,
int width, int flags, int letbase)
{
char print_buf[PRINT_BUF_LEN];
char *s;
int neg = 0, pc = 0;
char *s, sign = 0, print_buf[PRINT_BUF_LEN];
int pc = 0;
u64 t;
unsigned long long u = i;
if (sg && b == 10 && i < 0) {
neg = 1;
u = -i;
if (sg && b == 10) {
if ((flags & PAD_SIGN) && i > 0)
sign = '+';
if (i < 0) {
sign = '-';
u = -i;
}
}
s = print_buf + PRINT_BUF_LEN - 1;
@@ -221,13 +225,13 @@ static int printi(char **out, u32 *out_len, long long i, int b, int sg,
*--s = '0';
}
if (neg) {
if (sign) {
if (width && (flags & PAD_ZERO)) {
printc(out, out_len, '-');
printc(out, out_len, sign);
++pc;
--width;
} else {
*--s = '-';
*--s = sign;
}
}
@@ -275,6 +279,9 @@ static int print(char **out, u32 *out_len, const char *format, va_list args)
case '-':
flags |= PAD_RIGHT;
break;
case '+':
flags |= PAD_SIGN;
break;
case '#':
flags |= PAD_ALTERNATE;
break;