diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/printbuf.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/lib/printbuf.c b/lib/printbuf.c index 395c681e3acb..047470025748 100644 --- a/lib/printbuf.c +++ b/lib/printbuf.c @@ -10,6 +10,7 @@ #include <linux/err.h> #include <linux/slab.h> +#include <linux/string_helpers.h> #include <linux/printbuf.h> static inline size_t printbuf_linelen(struct printbuf *buf) @@ -199,3 +200,59 @@ void prt_tab_rjust(struct printbuf *buf) buf->tabstop++; } EXPORT_SYMBOL(prt_tab_rjust); + +/** + * prt_human_readable_u64 - Print out a u64 in human readable units + * + * Units of 2^10 (default) or 10^3 are controlled via @buf->si_units + */ +void prt_human_readable_u64(struct printbuf *buf, u64 v) +{ + printbuf_make_room(buf, 10); + buf->pos += string_get_size(v, 1, !buf->si_units, + buf->buf + buf->pos, + printbuf_remaining_size(buf)); +} +EXPORT_SYMBOL(prt_human_readable_u64); + +/** + * prt_human_readable_s64 - Print out a s64 in human readable units + * + * Units of 2^10 (default) or 10^3 are controlled via @buf->si_units + */ +void prt_human_readable_s64(struct printbuf *buf, s64 v) +{ + if (v < 0) + prt_char(buf, '-'); + prt_human_readable_u64(buf, abs(v)); +} +EXPORT_SYMBOL(prt_human_readable_s64); + +/** + * prt_units_u64 - Print out a u64 according to printbuf unit options + * + * Units are either raw (default), or human reabable units (controlled via + * @buf->human_readable_units) + */ +void prt_units_u64(struct printbuf *out, u64 v) +{ + if (out->human_readable_units) + prt_human_readable_u64(out, v); + else + prt_printf(out, "%llu", v); +} +EXPORT_SYMBOL(prt_units_u64); + +/** + * prt_units_s64 - Print out a s64 according to printbuf unit options + * + * Units are either raw (default), or human reabable units (controlled via + * @buf->human_readable_units) + */ +void prt_units_s64(struct printbuf *out, s64 v) +{ + if (v < 0) + prt_char(out, '-'); + prt_units_u64(out, abs(v)); +} +EXPORT_SYMBOL(prt_units_s64); |