diff options
| author | Jakob Kaivo <jkk@ung.org> | 2024-06-07 15:16:55 -0400 |
|---|---|---|
| committer | Jakob Kaivo <jkk@ung.org> | 2024-06-07 15:16:55 -0400 |
| commit | 586bba6bccbe04860e731f1e6a25a96e66d7a12a (patch) | |
| tree | dd21293b18dbd8a23afa65db3c5bdda1efdee649 | |
| parent | 6b19315fe9c856f2941caf0721226264f4126b5b (diff) | |
support # flag for hex
| -rw-r--r-- | src/stdio/__printf.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/stdio/__printf.c b/src/stdio/__printf.c index 3471db74..4d0c697e 100644 --- a/src/stdio/__printf.c +++ b/src/stdio/__printf.c @@ -67,8 +67,8 @@ static void __output(struct io_options *opt, struct io_conversion *conv, const c static void __utos(char *s, uintmax_t n, enum conversion_flags flags, int precision, int base) { - char lower[] = "0123456789abcdef"; - char upper[] = "0123456789ABCDEF"; + char lower[] = "0123456789abcdefx"; + char upper[] = "0123456789ABCDEFX"; char *digits = (flags & F_UPPER ? upper : lower); char sign = '+'; char buf[NUMBUFLEN + 1]; @@ -95,6 +95,13 @@ static void __utos(char *s, uintmax_t n, enum conversion_flags flags, int precis out--; } + if ((flags & F_ALT) && base == 16) { + *out = digits[16]; + out--; + *out = '0'; + out--; + } + if (flags & F_SIGN) { *out = sign; out--; @@ -117,6 +124,7 @@ static void __itos(char *s, intmax_t n, enum conversion_flags flags, int precisi } } +GCC_SSE_HACK int __printf(struct io_options *opt, const char * format, va_list arg) { char numbuf[NUMBUFLEN]; |