diff options
| -rw-r--r-- | lib/libc/stdio/vfwscanf.c | 53 |
1 files changed, 9 insertions, 44 deletions
diff --git a/lib/libc/stdio/vfwscanf.c b/lib/libc/stdio/vfwscanf.c index 6b4d8c5..c542084 100644 --- a/lib/libc/stdio/vfwscanf.c +++ b/lib/libc/stdio/vfwscanf.c @@ -144,29 +144,16 @@ convert_char(FILE *fp, char * __restrict mbp, int width, locale_t locale) size_t nconv; wint_t wi; int n; - char mbbuf[MB_LEN_MAX]; n = 0; mbs = initial_mbs; - while (width != 0 && (wi = __fgetwc(fp, locale)) != WEOF) { - if (width >= MB_CUR_MAX && mbp != SUPPRESS_PTR) { + while (width-- != 0 && (wi = __fgetwc(fp, locale)) != WEOF) { + if (mbp != SUPPRESS_PTR) { nconv = wcrtomb(mbp, wi, &mbs); if (nconv == (size_t)-1) return (-1); - } else { - nconv = wcrtomb(mbbuf, wi, &mbs); - if (nconv == (size_t)-1) - return (-1); - if (nconv > width) { - __ungetwc(wi, fp, locale); - break; - } - if (mbp != SUPPRESS_PTR) - memcpy(mbp, mbbuf, nconv); - } - if (mbp != SUPPRESS_PTR) mbp += nconv; - width -= nconv; + } n++; } if (n == 0) @@ -199,28 +186,17 @@ convert_ccl(FILE *fp, char * __restrict mbp, int width, const struct ccl *ccl, size_t nconv; wint_t wi; int n; - char mbbuf[MB_LEN_MAX]; n = 0; mbs = initial_mbs; while ((wi = __fgetwc(fp, locale)) != WEOF && - width != 0 && inccl(ccl, wi)) { - if (width >= MB_CUR_MAX && mbp != SUPPRESS_PTR) { + width-- != 0 && inccl(ccl, wi)) { + if (mbp != SUPPRESS_PTR) { nconv = wcrtomb(mbp, wi, &mbs); if (nconv == (size_t)-1) return (-1); - } else { - nconv = wcrtomb(mbbuf, wi, &mbs); - if (nconv == (size_t)-1) - return (-1); - if (nconv > width) - break; - if (mbp != SUPPRESS_PTR) - memcpy(mbp, mbbuf, nconv); - } - if (mbp != SUPPRESS_PTR) mbp += nconv; - width -= nconv; + } n++; } if (wi != WEOF) @@ -267,28 +243,17 @@ convert_string(FILE *fp, char * __restrict mbp, int width, locale_t locale) size_t nconv; wint_t wi; int nread; - char mbbuf[MB_LEN_MAX]; mbs = initial_mbs; nread = 0; - while ((wi = __fgetwc(fp, locale)) != WEOF && width != 0 && + while ((wi = __fgetwc(fp, locale)) != WEOF && width-- != 0 && !iswspace(wi)) { - if (width >= MB_CUR_MAX && mbp != SUPPRESS_PTR) { + if (mbp != SUPPRESS_PTR) { nconv = wcrtomb(mbp, wi, &mbs); if (nconv == (size_t)-1) return (-1); - } else { - nconv = wcrtomb(mbbuf, wi, &mbs); - if (nconv == (size_t)-1) - return (-1); - if (nconv > width) - break; - if (mbp != SUPPRESS_PTR) - memcpy(mbp, mbbuf, nconv); - } - if (mbp != SUPPRESS_PTR) mbp += nconv; - width -= nconv; + } nread++; } if (wi != WEOF) |
