From b8bcaa3ad393c34b7cdd9c8dcd9e9b82e2a34c58 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Tue, 11 Jun 2013 11:14:38 -0700 Subject: [PATCH] Add function to print a number with grouped digits Move bootstage's numbering printing code into a generic place so that it can be used by tracing also. Signed-off-by: Simon Glass --- common/bootstage.c | 22 ++++------------------ include/vsprintf.h | 11 +++++++++++ lib/vsprintf.c | 16 ++++++++++++++++ 3 files changed, 31 insertions(+), 18 deletions(-) diff --git a/common/bootstage.c b/common/bootstage.c index f5027ef99a..94a32a9971 100644 --- a/common/bootstage.c +++ b/common/bootstage.c @@ -49,6 +49,7 @@ static int next_id = BOOTSTAGE_ID_USER; enum { BOOTSTAGE_VERSION = 0, BOOTSTAGE_MAGIC = 0xb00757a3, + BOOTSTAGE_DIGITS = 9, }; struct bootstage_hdr { @@ -165,21 +166,6 @@ uint32_t bootstage_accum(enum bootstage_id id) return duration; } -static void print_time(unsigned long us_time) -{ - char str[15], *s; - int grab = 3; - - /* We don't seem to have %'d in U-Boot */ - sprintf(str, "%12lu", us_time); - for (s = str + 3; *s; s += grab) { - if (s != str + 3) - putc(s[-1] != ' ' ? ',' : ' '); - printf("%.*s", grab, s); - grab = 3; - } -} - /** * Get a record name as a printable string * @@ -208,10 +194,10 @@ static uint32_t print_time_record(enum bootstage_id id, if (prev == -1U) { printf("%11s", ""); - print_time(rec->time_us); + print_grouped_ull(rec->time_us, BOOTSTAGE_DIGITS); } else { - print_time(rec->time_us); - print_time(rec->time_us - prev); + print_grouped_ull(rec->time_us, BOOTSTAGE_DIGITS); + print_grouped_ull(rec->time_us - prev, BOOTSTAGE_DIGITS); } printf(" %s\n", get_record_name(buf, sizeof(buf), rec)); diff --git a/include/vsprintf.h b/include/vsprintf.h index 651077ca4d..6568854fbe 100644 --- a/include/vsprintf.h +++ b/include/vsprintf.h @@ -178,4 +178,15 @@ int vscnprintf(char *buf, size_t size, const char *fmt, va_list args); #define vscnprintf(buf, size, fmt, args...) vsprintf(buf, fmt, ##args) #endif /* CONFIG_SYS_VSNPRINTF */ +/** + * print_grouped_ull() - print a value with digits grouped by ',' + * + * This prints a value with grouped digits, like 12,345,678 to make it easier + * to read. + * + * @val: Value to print + * @digits: Number of digiits to print + */ +void print_grouped_ull(unsigned long long int_val, int digits); + #endif diff --git a/lib/vsprintf.c b/lib/vsprintf.c index 533a96b85e..82e5c13653 100644 --- a/lib/vsprintf.c +++ b/lib/vsprintf.c @@ -870,3 +870,19 @@ char *simple_itoa(ulong i) } while (i > 0); return p + 1; } + +/* We don't seem to have %'d in U-Boot */ +void print_grouped_ull(unsigned long long int_val, int digits) +{ + char str[21], *s; + int grab = 3; + + digits = (digits + 2) / 3; + sprintf(str, "%*llu", digits * 3, int_val); + for (s = str; *s; s += grab) { + if (s != str) + putc(s[-1] != ' ' ? ',' : ' '); + printf("%.*s", grab, s); + grab = 3; + } +} -- 2.39.5