diff options
Diffstat (limited to 'userland/libc/stdio')
| -rw-r--r-- | userland/libc/stdio/vfprintf.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/userland/libc/stdio/vfprintf.c b/userland/libc/stdio/vfprintf.c index 79a22fb..f8d56ea 100644 --- a/userland/libc/stdio/vfprintf.c +++ b/userland/libc/stdio/vfprintf.c @@ -13,8 +13,6 @@ const char HEX_SET[0x10] = {'0', '1', '2', '3', '4', '5', '6', '7', assert(0); \ *(int *)(_r) += _rc; \ } -// if ((size_t)0 == _rc) \ -// assert(0); \ int fprint_num(FILE *f, int n, int base, char *char_set, int prefix, int zero_padding, int right_padding) { @@ -25,10 +23,22 @@ int fprint_num(FILE *f, int n, int base, char *char_set, int prefix, } char str[32]; int i = 0; + + int is_signed = 0; + + if (n < 0) { + is_signed = 1; + n *= -1; + } + for (; n != 0 && i < 32; i++, n /= base) - // str[i] = (n % base) + '0'; str[i] = char_set[(n % base)]; + if (is_signed) { + str[i] = '-'; + i++; + } + char t = (zero_padding) ? '0' : ' '; int orig_i = i; @@ -175,10 +185,10 @@ int vfprintf(FILE *f, const char *fmt, va_list ap) { break; case 'i': case 'd': - if(-1 != precision) { - zero_padding = 1; - prefix = precision; - right_padding = 0; + if (-1 != precision) { + zero_padding = 1; + prefix = precision; + right_padding = 0; } rc += fprint_int(f, va_arg(ap, int), prefix, zero_padding, right_padding); cont = 0; |