#define _MACROS_H
#include <stdlib.h>
+#include <stddef.h>
#include <string.h>
#include <common/compat/string.h>
#define ARRAY_SIZE(array) (sizeof(array) / (sizeof((array)[0])))
#endif
+#ifndef container_of
+#define container_of(ptr, type, member) \
+ ({ \
+ const typeof(((type *)NULL)->member) * __ptr = (ptr); \
+ (type *)((char *)__ptr - offsetof(type, member)); \
+ })
+#endif
+
#ifndef max
#define max(a, b) ((a) > (b) ? (a) : (b))
#endif
static inline
int lttng_strncpy(char *dst, const char *src, size_t dst_len)
{
- if (lttng_strnlen(src, dst_len) == dst_len) {
+ if (lttng_strnlen(src, dst_len) >= dst_len) {
/* Fail since copying would result in truncation. */
return -1;
}
- strncpy(dst, src, dst_len);
- /*
- * Be extra careful and put final \0 at the end after strncpy(),
- * even though we checked the length before. This makes Coverity
- * happy.
- */
- dst[dst_len - 1] = '\0';
+ strcpy(dst, src);
return 0;
}