13 #include "stdio_impl.h"
16 #include "floatscan.h"
25 static void store_int(void *dest, int size, unsigned long long i)
42 *(long long *)dest = i;
47 static void *arg_n(va_list ap, unsigned int n)
53 for (i=n; i>1; i--) va_arg(ap2, void *);
54 p = va_arg(ap2, void *);
59 static int in_set(const wchar_t *set, int c)
62 const wchar_t *p = set;
66 } else if (*p == ']') {
70 for (; *p && *p != ']'; p++) {
71 if (*p=='-' && p[1] && p[1] != ']')
72 for (j=p++[-1]; j<*p; j++)
82 ((f)->rpos < (f)->rend && *(f)->rpos < 128 ? *(f)->rpos++ : (getwc)(f))
85 #define ungetwc(c,f) \
86 ((f)->rend && (c)<128U ? *--(f)->rpos : ungetwc((c),(f)))
89 int vfwscanf(FILE *restrict f, const wchar_t *restrict fmt, va_list ap)
102 static const char size_pfx[][3] = { "hh", "h", "", "l", "L", "ll" };
103 char tmp[3*sizeof(int)+10];
107 for (p=fmt; *p; p++) {
110 while (iswspace(p[1])) p++;
111 while (iswspace((c=getwc(f)))) pos++;
115 if (*p != '%' || p[1] == '%') {
120 if (c<0) goto input_fail;
130 } else if (iswdigit(*p) && p[1]=='$') {
131 dest = arg_n(ap, *p-'0'); p+=2;
133 dest = va_arg(ap, void *);
136 for (width=0; iswdigit(*p); p++) {
137 width = 10*width + *p - '0';
150 if (*p == 'h') p++, size = SIZE_hh;
154 if (*p == 'l') p++, size = SIZE_ll;
167 case 'd': case 'i': case 'o': case 'u': case 'x':
168 case 'a': case 'e': case 'f': case 'g':
169 case 'A': case 'E': case 'F': case 'G': case 'X':
170 case 's': case 'c': case '[':
181 /* Transform ls,lc -> S,C */
182 if (size==SIZE_l && (t&15)==3) t&=~32;
185 if (t != '[' && (t|32) != 'c')
186 while (iswspace((c=getwc(f)))) pos++;
189 if (c < 0) goto input_fail;
195 store_int(dest, size, pos);
196 /* do not increment match count, etc! */
200 if (width < 1) width = 1;
202 for (; width && (c=getwc(f)) >= 0; width--) {
203 int l = wctomb(s?s:tmp, c);
204 if (l<0) goto input_fail;
208 if (width) goto match_fail;
212 if (width < 1) width = 1;
214 for (; width && (c=getwc(f)) >= 0; width--)
215 pos++, wcs && (*wcs++ = c);
216 if (width) goto match_fail;
220 if (width < 1) width = -1;
222 while (width && !iswspace(c=getwc(f)) && c!=EOF) {
223 int l = wctomb(s?s:tmp, c);
224 if (l<0) goto input_fail;
229 if (width) ungetwc(c, f);
235 if (width < 1) width = -1;
236 while (width && !iswspace(c=getwc(f)) && c!=EOF)
237 width-=(width>0), pos++, *wcs++ = c;
238 if (width) ungetwc(c, f);
243 s = (size == SIZE_def) ? dest : 0;
244 wcs = (size == SIZE_l) ? dest : 0;
246 if (*++p == '^') p++, invert = 1;
251 if (width < 1) width = -1;
254 if ((c=getwc(f))<0) break;
255 if (in_set(p, c) == invert)
259 } else if (size != SIZE_l) {
260 int l = wctomb(s?s:tmp, c);
261 if (l<0) goto input_fail;
268 if (width) ungetwc(c, f);
270 if (!gotmatch) goto match_fail;
274 if (!*p) goto fmt_fail;
282 case 'd': case 'i': case 'o': case 'u': case 'x':
283 case 'a': case 'e': case 'f': case 'g':
284 case 'A': case 'E': case 'F': case 'G': case 'X':
286 if (width < 1) width = 0;
287 snprintf(tmp, sizeof tmp, "%.*s%.0d%s%c%%lln",
288 1+!dest, "%*", width, size_pfx[size+2], t);
290 if (fscanf(f, tmp, dest?dest:&cnt, &cnt) == -1)
305 if (!matches) matches--;