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| author | Rodrigo Alencar <rodrigo.alencar@analog.com> | 2026-06-04 10:58:59 +0100 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2026-06-30 00:15:52 +0100 |
| commit | b659b963206a9976a5ccc52a4b2aee1f674289cf (patch) | |
| tree | 00af831d17318662683fa265377eedb01d830880 /include | |
| parent | 1eafa5eb97dcb6a76947ffc06c18c272f1eaf1b6 (diff) | |
| download | linux-b659b963206a9976a5ccc52a4b2aee1f674289cf.tar.gz linux-b659b963206a9976a5ccc52a4b2aee1f674289cf.zip | |
lib: kstrtox: add kstrtoudec64() and kstrtodec64()
Add helpers that parses decimal numbers into 64-bit number, i.e., decimal
point numbers with pre-defined scale are parsed into a 64-bit value (fixed
precision). After the decimal point, digits beyond the specified scale
are ignored.
Signed-off-by: Rodrigo Alencar <rodrigo.alencar@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/kstrtox.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/kstrtox.h b/include/linux/kstrtox.h index 6c9282866770..b41b9736886f 100644 --- a/include/linux/kstrtox.h +++ b/include/linux/kstrtox.h @@ -97,6 +97,9 @@ int __must_check kstrtou8(const char *s, unsigned int base, u8 *res); int __must_check kstrtos8(const char *s, unsigned int base, s8 *res); int __must_check kstrtobool(const char *s, bool *res); +int __must_check kstrtoudec64(const char *s, unsigned int scale, u64 *res); +int __must_check kstrtodec64(const char *s, unsigned int scale, s64 *res); + int __must_check kstrtoull_from_user(const char __user *s, size_t count, unsigned int base, unsigned long long *res); int __must_check kstrtoll_from_user(const char __user *s, size_t count, unsigned int base, long long *res); int __must_check kstrtoul_from_user(const char __user *s, size_t count, unsigned int base, unsigned long *res); |