13 #include "stdio_impl.h"
16 #include "floatscan.h"
26 static void store_int(void *dest, int size, unsigned long long i)
43 *(long long *)dest = i;
48 static void *arg_n(va_list ap, unsigned int n)
54 for (i=n; i>1; i--) va_arg(ap2, void *);
55 p = va_arg(ap2, void *);
60 static int in_set(const wchar_t *set, int c)
63 const wchar_t *p = set;
67 } else if (*p == ']') {
71 for (; *p && *p != ']'; p++) {
72 if (*p=='-' && p[1] && p[1] != ']')
73 for (j=p++[-1]; j<*p; j++)
83 ((f)->rpos < (f)->rend && *(f)->rpos < 128 ? *(f)->rpos++ : (getwc)(f))
86 #define ungetwc(c,f) \
87 ((f)->rend && (c)<128U ? *--(f)->rpos : ungetwc((c),(f)))
90 int vfwscanf(FILE *restrict f, const wchar_t *restrict fmt, va_list ap)
103 static const char size_pfx[][3] = { "hh", "h", "", "l", "L", "ll" };
104 char tmp[3*sizeof(int)+10];
108 for (p=fmt; *p; p++) {
111 while (iswspace(p[1])) p++;
112 while (iswspace((c=getwc(f)))) pos++;
116 if (*p != '%' || p[1] == '%') {
121 if (c<0) goto input_fail;
131 } else if (iswdigit(*p) && p[1]=='$') {
132 dest = arg_n(ap, *p-'0'); p+=2;
134 dest = va_arg(ap, void *);
137 for (width=0; iswdigit(*p); p++) {
138 width = 10*width + *p - '0';
151 if (*p == 'h') p++, size = SIZE_hh;
155 if (*p == 'l') p++, size = SIZE_ll;
168 case 'd': case 'i': case 'o': case 'u': case 'x':
169 case 'a': case 'e': case 'f': case 'g':
170 case 'A': case 'E': case 'F': case 'G': case 'X':
171 case 's': case 'c': case '[':
182 /* Transform ls,lc -> S,C */
183 if (size==SIZE_l && (t&15)==3) t&=~32;
186 if (t != '[' && (t|32) != 'c')
187 while (iswspace((c=getwc(f)))) pos++;
190 if (c < 0) goto input_fail;
196 store_int(dest, size, pos);
197 /* do not increment match count, etc! */
201 if (width < 1) width = 1;
203 for (; width && (c=getwc(f)) >= 0; width--) {
204 int l = wctomb(s?s:tmp, c);
205 if (l<0) goto input_fail;
209 if (width) goto match_fail;
213 if (width < 1) width = 1;
215 for (; width && (c=getwc(f)) >= 0; width--)
216 pos++, wcs && (*wcs++ = c);
217 if (width) goto match_fail;
221 if (width < 1) width = -1;
223 while (width && !iswspace(c=getwc(f)) && c!=EOF) {
224 int l = wctomb(s?s:tmp, c);
225 if (l<0) goto input_fail;
230 if (width) ungetwc(c, f);
236 if (width < 1) width = -1;
237 while (width && !iswspace(c=getwc(f)) && c!=EOF)
238 width-=(width>0), pos++, *wcs++ = c;
239 if (width) ungetwc(c, f);
244 s = (size == SIZE_def) ? dest : 0;
245 wcs = (size == SIZE_l) ? dest : 0;
247 if (*++p == '^') p++, invert = 1;
252 if (width < 1) width = -1;
255 if ((c=getwc(f))<0) break;
256 if (in_set(p, c) == invert)
260 } else if (size != SIZE_l) {
261 int l = wctomb(s?s:tmp, c);
262 if (l<0) goto input_fail;
269 if (width) ungetwc(c, f);
271 if (!gotmatch) goto match_fail;
275 if (!*p) goto fmt_fail;
283 case 'd': case 'i': case 'o': case 'u': case 'x':
284 case 'a': case 'e': case 'f': case 'g':
285 case 'A': case 'E': case 'F': case 'G': case 'X':
287 if (width < 1) width = 0;
288 snprintf(tmp, sizeof tmp, "%.*s%.0d%s%c%%lln",
289 1+!dest, "%*", width, size_pfx[size+2], t);
291 if (fscanf(f, tmp, dest?dest:&cnt, &cnt) == -1)
306 if (!matches) matches--;
313 weak_alias(vfwscanf,__isoc99_vfwscanf);