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lib: provide function hextoull()

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We often convert hexadecimal strings to hextoull(). Provide a wrapper
function to simple_strtoull() that does not require specifying the radix.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
This commit is contained in:
Heinrich Schuchardt 2024-11-03 23:42:20 +01:00 committed by Tom Rini
parent e2635570e0
commit 8ff37ec010
2 changed files with 18 additions and 0 deletions
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13
include/vsprintf.h
View File

@ -44,6 +44,19 @@ ulong simple_strtoul(const char *cp, char **endp, unsigned int base);
*/
unsigned long hextoul(const char *cp, char **endp);
/**
* hex_strtoull - convert a string in hex to an unsigned long long
*
* @cp: The string to be converted
* @endp: Updated to point to the first character not converted
* Return: value decoded from string (0 if invalid)
*
* Converts a hex string to an unsigned long long. If there are invalid
* characters at the end these are ignored. In the worst case, if all characters
* are invalid, 0 is returned
*/
unsigned long long hextoull(const char *cp, char **endp);
/**
* dec_strtoul - convert a string in decimal to an unsigned long
*

5
lib/strto.c
View File

@ -78,6 +78,11 @@ ulong hextoul(const char *cp, char **endp)
return simple_strtoul(cp, endp, 16);
}
unsigned long long hextoull(const char *cp, char **endp)
{
return simple_strtoull(cp, endp, 16);
}
ulong dectoul(const char *cp, char **endp)
{
return simple_strtoul(cp, endp, 10);