#endif
#if defined(__WIN32__) && defined(wxNEED_WX_CTYPE_H)
-#include <windef.h>
-#include <winbase.h>
-#include <winnls.h>
-#include <winnt.h>
+ #include <windef.h>
+ #include <winbase.h>
+ #include <winnls.h>
+ #include <winnt.h>
#endif
#if wxUSE_WCHAR_T
return mbstowcs(buf, psz, n);
}
- // NB: GNU libc5 wcstombs() is completely broken, don't use it (it doesn't
- // honor the 3rd parameter, thus it will happily crash here).
-#if wxUSE_WCSRTOMBS
- // don't know if it's really needed (or if we can pass NULL), but better safe
- // than quick
+ // assume that we have mbsrtowcs() too if we have wcsrtombs()
+#ifdef HAVE_WCSRTOMBS
mbstate_t mbstate;
return mbsrtowcs((wchar_t *) NULL, &psz, 0, &mbstate);
#else // !GNU libc
return wcstombs(buf, pwz, n);
}
- // NB: GNU libc5 wcstombs() is completely broken, don't use it (it doesn't
- // honor the 3rd parameter, thus it will happily crash here).
-#if wxUSE_WCSRTOMBS
- // don't know if it's really needed (or if we can pass NULL), but better safe
- // than quick
+#if HAVE_WCSRTOMBS
mbstate_t mbstate;
return wcsrtombs((char *) NULL, &pwz, 0, &mbstate);
#else // !GNU libc
return wcstombs((char *) NULL, pwz, 0);
#endif // GNU
}
-#endif
+#endif // wxUSE_WCHAR_T
bool WXDLLEXPORT wxOKlibc()
{
// this is UTF-8 allright, check whether that's what we want
char *cur_locale = setlocale(LC_CTYPE, NULL);
if ((strlen(cur_locale) < 4) ||
- (strcasecmp(cur_locale + strlen(cur_locale) - 4, "utf8"))) {
+ (strcasecmp(cur_locale + strlen(cur_locale) - 4, "utf8")) ||
+ (strcasecmp(cur_locale + strlen(cur_locale) - 5, "utf-8"))) {
// nope, don't use libc conversion
return FALSE;
}
return ret;
}
-WXDLLEXPORT wxChar * wxStrchr(const wxChar *s, wxChar c)
+WXDLLEXPORT const wxChar * wxStrchr(const wxChar *s, wxChar c)
{
- while (*s && *s != c) s++;
- return (*s) ? (wxChar *)s : (wxChar *)NULL;
+ // be careful here as the terminating NUL makes part of the string
+ while ( *s != c )
+ {
+ if ( !*s++ )
+ return NULL;
+ }
+
+ return s;
}
WXDLLEXPORT int wxStrcmp(const wxChar *s1, const wxChar *s2)
return ret;
}
-WXDLLEXPORT wxChar * wxStrpbrk(const wxChar *s, const wxChar *accept)
+WXDLLEXPORT const wxChar * wxStrpbrk(const wxChar *s, const wxChar *accept)
{
- while (*s && !wxStrchr(accept, *s)) s++;
- return (*s) ? (wxChar *)s : (wxChar *)NULL;
+ while (*s && !wxStrchr(accept, *s))
+ s++;
+
+ return *s ? s : NULL;
}
-WXDLLEXPORT wxChar * wxStrrchr(const wxChar *s, wxChar c)
+WXDLLEXPORT const wxChar * wxStrrchr(const wxChar *s, wxChar c)
{
- wxChar *ret = (wxChar *)NULL;
- while (*s) {
- if (*s == c) ret = (wxChar *)s;
- s++;
- }
- return ret;
+ const wxChar *ret = NULL;
+ do
+ {
+ if ( *s == c )
+ ret = s;
+ s++;
+ }
+ while ( *s );
+
+ return ret;
}
WXDLLEXPORT size_t wxStrspn(const wxChar *s, const wxChar *accept)
return len;
}
-WXDLLEXPORT wxChar * wxStrstr(const wxChar *haystack, const wxChar *needle)
+WXDLLEXPORT const wxChar *wxStrstr(const wxChar *haystack, const wxChar *needle)
{
- wxChar *fnd;
- while ((fnd = wxStrchr(haystack, *needle))) {
- if (!wxStrcmp(fnd, needle)) return fnd;
- haystack = fnd + 1;
- }
- return (wxChar *)NULL;
+ wxCHECK_RET( needle, NULL, _T("NULL argument in wxStrstr") );
+
+ // VZ: this is not exactly the most efficient string search algorithm...
+
+ const size_t len = wxStrlen(needle);
+
+ while ( const wxChar *fnd = wxStrchr(haystack, *needle) )
+ {
+ if ( !wxStrncmp(fnd, needle, len) )
+ return fnd;
+
+ haystack = fnd + 1;
+ }
+
+ return NULL;
}
WXDLLEXPORT double wxStrtod(const wxChar *nptr, wxChar **endptr)