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lib: strto: add simple_strtoll function

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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>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Roland Gaudig 2021-07-23 12:29:18 +00:00 committed by Tom Rini
parent 55efa84d0f
commit 0b016428a7
2 changed files with 9 additions and 0 deletions
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1
include/vsprintf.h
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@ -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 long long simple_strtoull(const char *cp, char **endp,
unsigned int base); unsigned int base);
long simple_strtol(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 * trailing_strtol() - extract a trailing integer from a string

8
lib/strto.c
View File

@ -143,6 +143,14 @@ unsigned long long simple_strtoull(const char *cp, char **endp,
return result; 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) long trailing_strtoln(const char *str, const char *end)
{ {
const char *p; const char *p;