From d1ff7bcc91886626dc9060ec5fb67ee102ab7c1d Mon Sep 17 00:00:00 2001 From: Jon Santmyer Date: Mon, 11 Mar 2024 21:30:31 -0400 Subject: usermode capable kernel with logging syscall --- lib/ltostr.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 lib/ltostr.c (limited to 'lib/ltostr.c') diff --git a/lib/ltostr.c b/lib/ltostr.c new file mode 100644 index 0000000..e28be31 --- /dev/null +++ b/lib/ltostr.c @@ -0,0 +1,26 @@ +#include "format.h" + +size_t +ltostr(char *s, size_t limit, unsigned long l, bool sgn, int radix) +{ + size_t si = 0; + size_t digits = 0; + if((long)l < 0 && sgn) { + l = -((long)l); + s[0] = '-'; + } + for(unsigned long lv = l; lv != 0; lv /= radix) + digits++; + digits = digits > limit ? limit : digits; + + if(digits-- == 0) + s[si++] = '0'; + for(unsigned long lv = l; lv != 0; lv /= radix) + { + if(si >= limit) return si; + int digit = lv % radix; + s[(digits - si)] = (digit >= 10 ? (digit + 'a' - 10) : digit + '0'); + si++; + } + return si; +} -- cgit v1.2.1