From: Roland Gaudig roland.gaudig@weidmueller.com
Add simple_strtoll function for converting a string containing digits into a long long int value.
Signed-off-by: Roland Gaudig roland.gaudig@weidmueller.com ---
(no changes since v1)
include/vsprintf.h | 1 + lib/strto.c | 8 ++++++++ 2 files changed, 9 insertions(+)
diff --git a/include/vsprintf.h b/include/vsprintf.h index 2290083eba..4016de6677 100644 --- a/include/vsprintf.h +++ b/include/vsprintf.h @@ -41,6 +41,7 @@ int strict_strtoul(const char *cp, unsigned int base, unsigned long *res); unsigned long long simple_strtoull(const char *cp, char **endp, unsigned int base); long simple_strtol(const char *cp, char **endp, unsigned int base); +long long simple_strtoll(const char *cp, char **endp, unsigned int base);
/** * trailing_strtol() - extract a trailing integer from a string diff --git a/lib/strto.c b/lib/strto.c index c00bb5895d..f8b53d846b 100644 --- a/lib/strto.c +++ b/lib/strto.c @@ -143,6 +143,14 @@ unsigned long long simple_strtoull(const char *cp, char **endp, return result; }
+long long simple_strtoll(const char *cp, char **endp, unsigned int base) +{ + if (*cp == '-') + return -simple_strtoull(cp + 1, endp, base); + + return simple_strtoull(cp, endp, base); +} + long trailing_strtoln(const char *str, const char *end) { const char *p;