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| author | Tom Rini <trini@konsulko.com> | 2017-01-10 08:19:21 -0500 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2017-01-10 08:19:21 -0500 |
| commit | 0b8404332ed08799ca0630e4cc868df039f206e3 (patch) | |
| tree | c5d4e2c1f963b5716ae9dd7024dce5341feb6856 /lib | |
| parent | a705ebc81b7f91bbd0ef7c634284208342901149 (diff) | |
| parent | eb77f5c9f69ef6c8cb39643b7b7107ef7bff5305 (diff) | |
| download | u-boot-imx-0b8404332ed08799ca0630e4cc868df039f206e3.zip u-boot-imx-0b8404332ed08799ca0630e4cc868df039f206e3.tar.gz u-boot-imx-0b8404332ed08799ca0630e4cc868df039f206e3.tar.bz2 | |
Merge branch 'master' of git://git.denx.de/u-boot-sunxi
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/tiny-printf.c | 50 |
1 files changed, 39 insertions, 11 deletions
diff --git a/lib/tiny-printf.c b/lib/tiny-printf.c index 30ac759..dfa8432 100644 --- a/lib/tiny-printf.c +++ b/lib/tiny-printf.c @@ -38,8 +38,8 @@ static void out_dgt(struct printf_info *info, char dgt) info->zs = 1; } -static void div_out(struct printf_info *info, unsigned int *num, - unsigned int div) +static void div_out(struct printf_info *info, unsigned long *num, + unsigned long div) { unsigned char dgt = 0; @@ -56,9 +56,9 @@ int _vprintf(struct printf_info *info, const char *fmt, va_list va) { char ch; char *p; - unsigned int num; + unsigned long num; char buf[12]; - unsigned int div; + unsigned long div; while ((ch = *(fmt++))) { if (ch != '%') { @@ -66,8 +66,12 @@ int _vprintf(struct printf_info *info, const char *fmt, va_list va) } else { bool lz = false; int width = 0; + bool islong = false; ch = *(fmt++); + if (ch == '-') + ch = *(fmt++); + if (ch == '0') { ch = *(fmt++); lz = 1; @@ -80,6 +84,11 @@ int _vprintf(struct printf_info *info, const char *fmt, va_list va) ch = *fmt++; } } + if (ch == 'l') { + ch = *(fmt++); + islong = true; + } + info->bf = buf; p = info->bf; info->zs = 0; @@ -89,24 +98,43 @@ int _vprintf(struct printf_info *info, const char *fmt, va_list va) goto abort; case 'u': case 'd': - num = va_arg(va, unsigned int); - if (ch == 'd' && (int)num < 0) { - num = -(int)num; - out(info, '-'); + div = 1000000000; + if (islong) { + num = va_arg(va, unsigned long); + if (sizeof(long) > 4) + div *= div * 10; + } else { + num = va_arg(va, unsigned int); + } + + if (ch == 'd') { + if (islong && (long)num < 0) { + num = -(long)num; + out(info, '-'); + } else if (!islong && (int)num < 0) { + num = -(int)num; + out(info, '-'); + } } if (!num) { out_dgt(info, 0); } else { - for (div = 1000000000; div; div /= 10) + for (; div; div /= 10) div_out(info, &num, div); } break; case 'x': - num = va_arg(va, unsigned int); + if (islong) { + num = va_arg(va, unsigned long); + div = 1UL << (sizeof(long) * 8 - 4); + } else { + num = va_arg(va, unsigned int); + div = 0x10000000; + } if (!num) { out_dgt(info, 0); } else { - for (div = 0x10000000; div; div /= 0x10) + for (; div; div /= 0x10) div_out(info, &num, div); } break; |