#define __CSTRDUP_H__
#include <stdarg.h>
+#include <stdint.h>
#include <string.h>
+#include <wctype.h>
static inline char *cstrcat(int n, ...) {
int len = 0; va_list va; va_start(va,n);
for(int i=0; i<n; ++i) len += strlen(va_arg(va,char*));
va_end(va); char *cp = new char[len+1], *bp = cp; va_start(va,n);
- for(int i=0; i<n; ++i) for(char*ap=va_arg(va,char*); *ap; *bp++=*ap++);
+ for(int i=0; i<n; ++i) for(char*ap=va_arg(va,char*); *ap; *bp++=*ap++);
va_end(va); *bp = 0;
return cp;
}
#define lengthof(ary) ((int)(sizeof(ary)/sizeof(ary[0])))
#endif
+static inline int butf8(const char *&cp)
+{
+ const unsigned char *bp = (const unsigned char *)cp;
+ int ret = *bp++;
+ if( ret >= 0x80 ) {
+ int v = ret - 0xc0;
+ static const int64_t sz = 0x5433222211111111;
+ int n = v < 0 ? 0 : (sz >> (v&0x3c)) & 0x0f;
+ for( int i=n; --i>=0; ret+=*bp++ ) ret <<= 6;
+ static const uint32_t ofs[6] = {
+ 0x00000000U, 0x00003080U, 0x000E2080U,
+ 0x03C82080U, 0xFA082080U, 0x82082080U
+ };
+ ret -= ofs[n];
+ }
+ cp = (const char *)bp;
+ return ret;
+}
+static inline int butf8(unsigned int v, char *&cp)
+{
+ unsigned char *bp = (unsigned char *)cp;
+ if( v >= 0x00000080 ) {
+ int i = v < 0x00000800 ? 2 : v < 0x00010000 ? 3 :
+ v < 0x00200000 ? 4 : v < 0x04000000 ? 5 : 6;
+ int m = 0xff00 >> i;
+ *bp++ = (v>>(6*--i)) | m;
+ while( --i >= 0 ) *bp++ = ((v>>(6*i)) & 0x3f) | 0x80;
+ }
+ else
+ *bp++ = v;
+ int ret = bp - (unsigned char *)cp;
+ cp = (char *)bp;
+ return ret;
+}
+
+static inline int bstrcasecmp(const char *ap, const char *bp)
+{
+ int a, b, ret;
+ do {
+ a = towlower(butf8(ap)); b = towlower(butf8(bp));
+ } while( !(ret=a-b) && a && b );
+ return ret;
+}
+
+static inline const char *bstrcasestr(const char *src, const char *tgt)
+{
+ int ssz = strlen(src), tsz = strlen(tgt), ret = 0;
+ const char *cp = tgt;
+ wchar_t wtgt[tsz + 1], *tp = wtgt;
+ while( *cp ) *tp++ = towlower(butf8(cp));
+ for( tsz=tp-wtgt; ssz>=tsz; ++src,--ssz ) {
+ cp = src; tp = wtgt;
+ for( int i=tsz; --i>=0 && !(ret=towlower(butf8(cp))-*tp); ++tp );
+ if( !ret ) return src;
+ }
+ return 0;
+}
+
#endif