| 191,34 → 191,7 |
|---|
| } |
| |
| |
| int vscnprintf(char *buf, size_t size, const char *fmt, va_list args) |
| { |
| int i; |
| |
| i = vsnprintf(buf, size, fmt, args); |
| |
| if (likely(i < size)) |
| return i; |
| if (size != 0) |
| return size - 1; |
| return 0; |
| } |
| |
| |
| int scnprintf(char *buf, size_t size, const char *fmt, ...) |
| { |
| va_list args; |
| int i; |
| |
| va_start(args, fmt); |
| i = vscnprintf(buf, size, fmt, args); |
| va_end(args); |
| |
| return i; |
| } |
| |
| |
| |
| #define _U 0x01 /* upper */ |
| #define _L 0x02 /* lower */ |
| #define _D 0x04 /* digit */ |
| 505,3 → 478,35 |
|---|
| } |
| |
| |
| |
| void *kmap(struct page *page) |
| { |
| void *vaddr; |
| |
| vaddr = (void*)MapIoMem(page_to_phys(page), 4096, PG_SW); |
| |
| return vaddr; |
| } |
| |
| unsigned long find_first_zero_bit(const unsigned long *addr, unsigned long size) |
| { |
| const unsigned long *p = addr; |
| unsigned long result = 0; |
| unsigned long tmp; |
| |
| while (size & ~(BITS_PER_LONG-1)) { |
| if (~(tmp = *(p++))) |
| goto found; |
| result += BITS_PER_LONG; |
| size -= BITS_PER_LONG; |
| } |
| if (!size) |
| return result; |
| |
| tmp = (*p) | (~0UL << size); |
| if (tmp == ~0UL) /* Are any bits zero? */ |
| return result + size; /* Nope. */ |
| found: |
| return result + ffz(tmp); |
| } |
| |