int fd_columns(int fd);
unsigned columns(void);
unsigned columns_uncached(void);
+void columns_cache_reset(int _unused_ signum);
int fd_lines(int fd);
unsigned lines(void);
void umaskp(mode_t *u);
_malloc_ static inline void *malloc_multiply(size_t a, size_t b) {
- if (_unlikely_(a > ((size_t) -1) / b))
+ if (_unlikely_(b == 0 || a > ((size_t) -1) / b))
return NULL;
return malloc(a * b);
}
_malloc_ static inline void *memdup_multiply(const void *p, size_t a, size_t b) {
- if (_unlikely_(a > ((size_t) -1) / b))
+ if (_unlikely_(b == 0 || a > ((size_t) -1) / b))
return NULL;
return memdup(p, a * b);
}
+
+bool filename_is_safe(const char *p);
+bool string_is_safe(const char *p);
+
+int parse_timestamp(const char *t, usec_t *usec);