voron

experimental ARM OS
git clone git://git.2f30.org/voron.git
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commit 39a02b1477f15266bddbcf725f0eed50e518134a
parent 5bcb8523e2d292810d0a48cbde15fbdfa2a53e1d
Author: oblique <psyberbits@gmail.com>
Date:   Wed Jul 24 03:10:26 +0300

print.c: add %zu and %zd in kprintf function

Diffstat:
kernel/print.c | 57+++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 57 insertions(+), 0 deletions(-)
diff --git a/kernel/print.c b/kernel/print.c @@ -47,6 +47,51 @@ print_int(int n) } static int +print_ssize_t(ssize_t n) +{ + int ret = 0; + ssize_t i = 1; + + if (n > 0) { + while (n/i >= 10) + i *= 10; + } else if (n < 0) { + kputchar('-'); + ret++; + while (n/i <= -10) + i *= 10; + } + + while (i > 0) { + kputchar('0' + abs(n/i)); + ret++; + n -= (n/i)*i; + i /= 10; + } + + return ret; +} + +static int +print_size_t(size_t n) +{ + int ret = 0; + size_t i = 1; + + while (n/i >= 10) + i *= 10; + + while (i > 0) { + kputchar('0' + abs(n/i)); + ret++; + n -= (n/i)*i; + i /= 10; + } + + return ret; +} + +static int print_hexint(uint_t n) { uint_t x, mask; @@ -133,6 +178,8 @@ kvprintf(const char *fmt, va_list ap) int d, ret = 0; uint_t x; uintptr_t p; + size_t sz; + ssize_t ssz; char c, *s; while (*fmt) { @@ -161,6 +208,16 @@ kvprintf(const char *fmt, va_list ap) kputchar(c); ret++; break; + case 'z': + fmt++; + if (*fmt == 'u') { + sz = va_arg(ap, size_t); + ret += print_size_t(sz); + } else if (*fmt == 'd') { + ssz = va_arg(ap, ssize_t); + ret += print_ssize_t(ssz); + } + break; case '%': kputchar('%'); ret++;