X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fstdio%2Fvsscanf.c;h=4d6d259b8291a6af68e101d871ac7d4b2f8373e9;hb=59b64ff686cef2a87e9552658b2c8d2531f87176;hp=929ffa3b0fd8a33754b0638536d0893bed74d9a1;hpb=14f0272ea1775c35801b2bc17e67ef8bb7e9742d;p=musl diff --git a/src/stdio/vsscanf.c b/src/stdio/vsscanf.c index 929ffa3b..4d6d259b 100644 --- a/src/stdio/vsscanf.c +++ b/src/stdio/vsscanf.c @@ -1,16 +1,25 @@ #include "stdio_impl.h" -#include "libc.h" +#include -static size_t do_read(FILE *f, unsigned char *buf, size_t len) +static size_t string_read(FILE *f, unsigned char *buf, size_t len) { - return __string_read(f, buf, len); + char *src = f->cookie; + size_t k = len+256; + char *end = memchr(src, 0, k); + if (end) k = end-src; + if (k < len) len = k; + memcpy(buf, src, len); + f->rpos = (void *)(src+len); + f->rend = (void *)(src+k); + f->cookie = src+k; + return len; } int vsscanf(const char *restrict s, const char *restrict fmt, va_list ap) { FILE f = { .buf = (void *)s, .cookie = (void *)s, - .read = do_read, .lock = -1 + .read = string_read, .lock = -1 }; return vfscanf(&f, fmt, ap); }