Add 'ustrtoull' function to convert size from string (ex: 1GiB) to unsigned long long type
Signed-off-by: Piotr Wilczek <[email protected]> Signed-off-by: Kyungmin Park <[email protected]> --- include/exports.h | 1 + lib/vsprintf.c | 23 +++++++++++++++++++++++ 2 files changed, 24 insertions(+) diff --git a/include/exports.h b/include/exports.h index 6cf31aa..41d5085 100644 --- a/include/exports.h +++ b/include/exports.h @@ -24,6 +24,7 @@ int setenv (const char *varname, const char *varvalue); long simple_strtol(const char *cp,char **endp,unsigned int base); int strcmp(const char * cs,const char * ct); unsigned long ustrtoul(const char *cp, char **endp, unsigned int base); +unsigned long long ustrtoull(const char *cp, char **endp, unsigned int base); #if defined(CONFIG_CMD_I2C) int i2c_write (uchar, uint, int , uchar* , int); int i2c_read (uchar, uint, int , uchar* , int); diff --git a/lib/vsprintf.c b/lib/vsprintf.c index 3c432f8..533a96b 100644 --- a/lib/vsprintf.c +++ b/lib/vsprintf.c @@ -126,6 +126,29 @@ unsigned long ustrtoul(const char *cp, char **endp, unsigned int base) return result; } +unsigned long long ustrtoull(const char *cp, char **endp, unsigned int base) +{ + unsigned long long result = simple_strtoull(cp, endp, base); + switch (**endp) { + case 'G': + result *= 1024; + /* fall through */ + case 'M': + result *= 1024; + /* fall through */ + case 'K': + case 'k': + result *= 1024; + if ((*endp)[1] == 'i') { + if ((*endp)[2] == 'B') + (*endp) += 3; + else + (*endp) += 2; + } + } + return result; +} + unsigned long long simple_strtoull(const char *cp, char **endp, unsigned int base) { -- 1.7.9.5 _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
