diff options
Diffstat (limited to 'src/basic/util.h')
-rw-r--r-- | src/basic/util.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/basic/util.h b/src/basic/util.h index 6f42c85a33..1c032c15c9 100644 --- a/src/basic/util.h +++ b/src/basic/util.h @@ -36,6 +36,7 @@ #include <sys/socket.h> #include <sys/stat.h> #include <sys/statfs.h> +#include <sys/sysmacros.h> #include <sys/types.h> #include <time.h> #include <unistd.h> @@ -102,6 +103,16 @@ static inline void qsort_safe(void *base, size_t nmemb, size_t size, comparison_ qsort(base, nmemb, size, compar); } +/** + * Normal memcpy requires src to be nonnull. We do nothing if n is 0. + */ +static inline void memcpy_safe(void *dst, const void *src, size_t n) { + if (n == 0) + return; + assert(src); + memcpy(dst, src, n); +} + int on_ac_power(void); #define memzero(x,l) (memset((x), 0, (l))) @@ -173,6 +184,6 @@ int namespace_enter(int pidns_fd, int mntns_fd, int netns_fd, int userns_fd, int uint64_t physical_memory(void); -int update_reboot_param_file(const char *param); +int update_reboot_parameter_and_warn(const char *param); int version(void); |