Changes in uspace/lib/libc/generic/string.c [da2bd08:b67c7d64] in mainline
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uspace/lib/libc/generic/string.c
rda2bd08 rb67c7d64 471 471 * null-terminated and containing only complete characters. 472 472 * 473 * @param d st Destination buffer.473 * @param dest Destination buffer. 474 474 * @param count Size of the destination buffer (must be > 0). 475 475 * @param src Source string. … … 505 505 * have to be null-terminated. 506 506 * 507 * @param d st Destination buffer.507 * @param dest Destination buffer. 508 508 * @param count Size of the destination buffer (must be > 0). 509 509 * @param src Source string. … … 537 537 * null-terminated and containing only complete characters. 538 538 * 539 * @param d st Destination buffer.539 * @param dest Destination buffer. 540 540 * @param count Size of the destination buffer. 541 541 * @param src Source string. … … 549 549 } 550 550 551 /** Copy NULL-terminated wide string to string 552 * 553 * Copy source wide string @a src to destination buffer @a dst. 554 * No more than @a size bytes are written. NULL-terminator is always 555 * written after the last succesfully copied character (i.e. if the 556 * destination buffer is has at least 1 byte, it will be always 557 * NULL-terminated). 558 * 559 * @param src Source wide string. 560 * @param dst Destination buffer. 561 * @param count Size of the destination buffer. 562 * 563 */ 564 void wstr_nstr(char *dst, const wchar_t *src, size_t size) 565 { 566 /* No space for the NULL-terminator in the buffer */ 567 if (size == 0) 568 return; 569 551 /** Convert wide string to string. 552 * 553 * Convert wide string @a src to string. The output is written to the buffer 554 * specified by @a dest and @a size. @a size must be non-zero and the string 555 * written will always be well-formed. 556 * 557 * @param dest Destination buffer. 558 * @param size Size of the destination buffer. 559 * @param src Source wide string. 560 */ 561 void wstr_to_str(char *dest, size_t size, const wchar_t *src) 562 { 570 563 wchar_t ch; 571 size_t src_idx = 0; 572 size_t dst_off = 0; 573 564 size_t src_idx; 565 size_t dest_off; 566 567 /* There must be space for a null terminator in the buffer. */ 568 assert(size > 0); 569 570 src_idx = 0; 571 dest_off = 0; 572 574 573 while ((ch = src[src_idx++]) != 0) { 575 if (chr_encode(ch, d st, &dst_off, size) != EOK)574 if (chr_encode(ch, dest, &dest_off, size - 1) != EOK) 576 575 break; 577 576 } 578 579 if (dst_off >= size) 580 dst[size - 1] = 0; 581 else 582 dst[dst_off] = 0; 583 } 577 578 dest[dest_off] = '\0'; 579 } 580 581 /** Convert wide string to new string. 582 * 583 * Convert wide string @a src to string. Space for the new string is allocated 584 * on the heap. 585 * 586 * @param src Source wide string. 587 * @return New string. 588 */ 589 char *wstr_to_astr(const wchar_t *src) 590 { 591 char dbuf[STR_BOUNDS(1)]; 592 char *str; 593 wchar_t ch; 594 595 size_t src_idx; 596 size_t dest_off; 597 size_t dest_size; 598 599 /* Compute size of encoded string. */ 600 601 src_idx = 0; 602 dest_size = 0; 603 604 while ((ch = src[src_idx++]) != 0) { 605 dest_off = 0; 606 if (chr_encode(ch, dbuf, &dest_off, STR_BOUNDS(1)) != EOK) 607 break; 608 dest_size += dest_off; 609 } 610 611 str = malloc(dest_size + 1); 612 if (str == NULL) 613 return NULL; 614 615 /* Encode string. */ 616 617 src_idx = 0; 618 dest_off = 0; 619 620 while ((ch = src[src_idx++]) != 0) { 621 if (chr_encode(ch, str, &dest_off, dest_size) != EOK) 622 break; 623 } 624 625 str[dest_size] = '\0'; 626 return str; 627 } 628 584 629 585 630 /** Convert string to wide string. 586 631 * 587 632 * Convert string @a src to wide string. The output is written to the 588 * buffer specified by @a dest and @a size, which must have non-zero589 * size. The outputwill always be null-terminated.633 * buffer specified by @a dest and @a dlen. @a dlen must be non-zero 634 * and the wide string written will always be null-terminated. 590 635 * 591 636 * @param dest Destination buffer.
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