diff options
Diffstat (limited to 'src/shared/printf.c')
| -rw-r--r-- | src/shared/printf.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/src/shared/printf.c b/src/shared/printf.c index 4e81603..c1206f3 100644 --- a/src/shared/printf.c +++ b/src/shared/printf.c @@ -46,7 +46,7 @@ static void pad(struct out_state *os, struct mods *m, size_t len) { output(os, &m->fill_char, 1); } -static void output_uint(struct out_state *os, struct mods *m, unsigned long long n) { +static void output_uint(struct out_state *os, struct mods *m, unsigned long long n, char sign) { char buf[sizeof(unsigned long long) * 3]; size_t pos = sizeof(buf); @@ -57,6 +57,7 @@ static void output_uint(struct out_state *os, struct mods *m, unsigned long long buf[--pos] = r + '0'; n = q; } + if (sign) buf[--pos] = sign; pad(os, m, sizeof(buf) - pos); output(os, buf + pos, sizeof(buf) - pos); } @@ -111,6 +112,8 @@ int __printf_internal(const char *fmt, va_list argp, switch (c) { unsigned long n, len; + long ns; + char sign; case 'c': output_c(&os, va_arg(argp, int)); @@ -142,7 +145,17 @@ int __printf_internal(const char *fmt, va_list argp, case 'u': n = va_arg(argp, unsigned long); - output_uint(&os, &m, n); + output_uint(&os, &m, n, 0); + break; + + case 'd': + ns = va_arg(argp, int); + sign = 0; + if (ns < 0) { + ns = -ns; + sign = '-'; + } + output_uint(&os, &m, (long)ns, sign); break; case '%': |