2 * Unicode string manipulation functions
4 * Copyright 2000 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 #include "wine/unicode.h"
26 int strcmpiW( const WCHAR *str1, const WCHAR *str2 )
30 int ret = tolowerW(*str1) - tolowerW(*str2);
31 if (ret || !*str1) return ret;
37 int strncmpiW( const WCHAR *str1, const WCHAR *str2, int n )
40 for ( ; n > 0; n--, str1++, str2++)
41 if ((ret = tolowerW(*str1) - tolowerW(*str2)) || !*str1) break;
45 int memicmpW( const WCHAR *str1, const WCHAR *str2, int n )
48 for ( ; n > 0; n--, str1++, str2++)
49 if ((ret = tolowerW(*str1) - tolowerW(*str2))) break;
53 WCHAR *strstrW( const WCHAR *str, const WCHAR *sub )
57 const WCHAR *p1 = str, *p2 = sub;
58 while (*p1 && *p2 && *p1 == *p2) { p1++; p2++; }
59 if (!*p2) return (WCHAR *)str;
65 /* strtolW and strtoulW implementation based on the GNU C library code */
66 /* Copyright (C) 1991,92,94,95,96,97,98,99,2000,2001 Free Software Foundation, Inc. */
68 long int strtolW( const WCHAR *nptr, WCHAR **endptr, int base )
71 register unsigned long int cutoff;
72 register unsigned int cutlim;
73 register unsigned long int i;
74 register const WCHAR *s;
76 const WCHAR *save, *end;
79 if (base < 0 || base == 1 || base > 36) return 0;
83 /* Skip white space. */
88 /* Check for a sign. */
98 /* Recognize number prefix and if BASE is zero, figure it out ourselves. */
101 if ((base == 0 || base == 16) && toupperW(s[1]) == 'X')
112 /* Save the pointer so we can check later if anything happened. */
116 cutoff = ULONG_MAX / (unsigned long int) base;
117 cutlim = ULONG_MAX % (unsigned long int) base;
122 for (;c != '\0'; c = *++s)
126 if (c >= '0' && c <= '9')
128 else if (isalphaW (c))
129 c = toupperW (c) - 'A' + 10;
134 /* Check for overflow. */
135 if (i > cutoff || (i == cutoff && c > cutlim))
139 i *= (unsigned long int) base;
144 /* Check if anything actually happened. */
148 /* Store in ENDPTR the address of one character
149 past the last character we converted. */
151 *endptr = (WCHAR *)s;
153 /* Check for a value that is within the range of
154 `unsigned LONG int', but outside the range of `LONG int'. */
157 ? -((unsigned long int) (LONG_MIN + 1)) + 1
158 : (unsigned long int) LONG_MAX))
163 return negative ? LONG_MIN : LONG_MAX;
166 /* Return the result of the appropriate sign. */
167 return negative ? -i : i;
170 /* We must handle a special case here: the base is 0 or 16 and the
171 first two characters are '0' and 'x', but the rest are not
172 hexadecimal digits. This is no error case. We return 0 and
173 ENDPTR points to the `x`. */
176 if (save - nptr >= 2 && toupperW (save[-1]) == 'X'
178 *endptr = (WCHAR *)&save[-1];
180 /* There was no number to convert. */
181 *endptr = (WCHAR *)nptr;
188 unsigned long int strtoulW( const WCHAR *nptr, WCHAR **endptr, int base )
191 register unsigned long int cutoff;
192 register unsigned int cutlim;
193 register unsigned long int i;
194 register const WCHAR *s;
196 const WCHAR *save, *end;
199 if (base < 0 || base == 1 || base > 36) return 0;
203 /* Skip white space. */
204 while (isspaceW (*s))
206 if (!*s) goto noconv;
208 /* Check for a sign. */
218 /* Recognize number prefix and if BASE is zero, figure it out ourselves. */
221 if ((base == 0 || base == 16) && toupperW(s[1]) == 'X')
232 /* Save the pointer so we can check later if anything happened. */
236 cutoff = ULONG_MAX / (unsigned long int) base;
237 cutlim = ULONG_MAX % (unsigned long int) base;
242 for (;c != '\0'; c = *++s)
246 if (c >= '0' && c <= '9')
248 else if (isalphaW (c))
249 c = toupperW (c) - 'A' + 10;
254 /* Check for overflow. */
255 if (i > cutoff || (i == cutoff && c > cutlim))
259 i *= (unsigned long int) base;
264 /* Check if anything actually happened. */
268 /* Store in ENDPTR the address of one character
269 past the last character we converted. */
271 *endptr = (WCHAR *)s;
278 /* Return the result of the appropriate sign. */
279 return negative ? -i : i;
282 /* We must handle a special case here: the base is 0 or 16 and the
283 first two characters are '0' and 'x', but the rest are not
284 hexadecimal digits. This is no error case. We return 0 and
285 ENDPTR points to the `x`. */
288 if (save - nptr >= 2 && toupperW (save[-1]) == 'X'
290 *endptr = (WCHAR *)&save[-1];
292 /* There was no number to convert. */
293 *endptr = (WCHAR *)nptr;
300 int vsnprintfW(WCHAR *str, size_t len, const WCHAR *format, va_list valist)
302 unsigned int written = 0;
303 const WCHAR *iter = format;
304 char bufa[256], fmtbufa[64], *fmta;
308 while (*iter && *iter != '%')
310 if (written++ >= len)
318 if (written++ >= len)
320 *str++ = '%'; /* "%%"->'%' */
327 while (*iter == '0' ||
336 char *buffiter = bufa;
337 int fieldlen = va_arg(valist, int);
338 sprintf(buffiter, "%d", fieldlen);
340 *fmta++ = *buffiter++;
347 while (isdigit(*iter))
355 char *buffiter = bufa;
356 int fieldlen = va_arg(valist, int);
357 sprintf(buffiter, "%d", fieldlen);
359 *fmta++ = *buffiter++;
362 while (isdigit(*iter))
365 if (*iter == 'h' || *iter == 'l')
372 static const WCHAR none[] = { '(','n','u','l','l',')',0 };
373 const WCHAR *wstr = va_arg(valist, const WCHAR *);
374 const WCHAR *striter = wstr ? wstr : none;
377 if (written++ >= len)
386 if (written++ >= len)
388 *str++ = (WCHAR)va_arg(valist, int);
394 /* For non wc types, use system sprintf and append to wide char output */
395 /* FIXME: for unrecognised types, should ignore % when printing */
396 char *bufaiter = bufa;
398 sprintf(bufaiter, "%08lX", va_arg(valist, long));
403 if (*iter == 'a' || *iter == 'A' ||
404 *iter == 'e' || *iter == 'E' ||
405 *iter == 'f' || *iter == 'F' ||
406 *iter == 'g' || *iter == 'G')
407 sprintf(bufaiter, fmtbufa, va_arg(valist, double));
410 /* FIXME: On 32 bit systems this doesn't handle int 64's.
411 * on 64 bit systems this doesn't work for 32 bit types
413 sprintf(bufaiter, fmtbufa, va_arg(valist, void *));
418 if (written++ >= len)
420 *str++ = *bufaiter++;
434 int vsprintfW( WCHAR *str, const WCHAR *format, va_list valist )
436 return vsnprintfW( str, INT_MAX, format, valist );
439 int snprintfW( WCHAR *str, size_t len, const WCHAR *format, ...)
443 va_start(valist, format);
444 retval = vsnprintfW(str, len, format, valist);
449 int sprintfW( WCHAR *str, const WCHAR *format, ...)
453 va_start(valist, format);
454 retval = vsnprintfW(str, INT_MAX, format, valist);