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| author | Bob Moore <robert.moore@intel.com> | 2018-01-04 22:41:27 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2018-01-05 01:33:22 +0100 |
| commit | ee68d4773ed36e3f79860bbcad0a4ddd8d58f393 (patch) | |
| tree | 5dd69e007decde8a5ca37b22a59f9b21a293333a /drivers/acpi/acpica/utnonansi.c | |
| parent | ACPICA: Cleanup the global variables and update comments (diff) | |
| download | linux-ee68d4773ed36e3f79860bbcad0a4ddd8d58f393.tar.xz linux-ee68d4773ed36e3f79860bbcad0a4ddd8d58f393.zip | |
ACPICA: Create and deploy safe version of strncpy
ACPICA commit 64ad9c69a1bd534a466e060a33c0bbf5fc9e189c
acpi_ut_safe_strncpy - copy and terminate string. Strncpy is not
guaranteed to terminate the copied string if the input is longer
than the length of the target.
No functional change.
Link: https://github.com/acpica/acpica/commit/64ad9c69
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/acpica/utnonansi.c')
| -rw-r--r-- | drivers/acpi/acpica/utnonansi.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/acpi/acpica/utnonansi.c b/drivers/acpi/acpica/utnonansi.c index 792664982ea3..33a0970646df 100644 --- a/drivers/acpi/acpica/utnonansi.c +++ b/drivers/acpi/acpica/utnonansi.c @@ -140,7 +140,7 @@ int acpi_ut_stricmp(char *string1, char *string2) return (c1 - c2); } -#if defined (ACPI_DEBUGGER) || defined (ACPI_APPLICATION) +#if defined (ACPI_DEBUGGER) || defined (ACPI_APPLICATION) || defined (ACPI_DEBUG_OUTPUT) /******************************************************************************* * * FUNCTION: acpi_ut_safe_strcpy, acpi_ut_safe_strcat, acpi_ut_safe_strncat @@ -199,4 +199,13 @@ acpi_ut_safe_strncat(char *dest, strncat(dest, source, max_transfer_length); return (FALSE); } + +void acpi_ut_safe_strncpy(char *dest, char *source, acpi_size dest_size) +{ + /* Always terminate destination string */ + + strncpy(dest, source, dest_size); + dest[dest_size - 1] = 0; +} + #endif |