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-rw-r--r--sc4pd/headers/server/SC_Str4.h103
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diff --git a/sc4pd/headers/server/SC_Str4.h b/sc4pd/headers/server/SC_Str4.h
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+++ b/sc4pd/headers/server/SC_Str4.h
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+/*
+ SuperCollider real time audio synthesis system
+ Copyright (c) 2002 James McCartney. All rights reserved.
+ http://www.audiosynth.com
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+/* a 4 byte aligned and zero padded string allows faster string operations. */
+
+#ifndef _SC_Str4_
+#define _SC_Str4_
+
+#include "Hash.h"
+#include <stdio.h>
+#include <limits.h>
+
+#ifndef _LASTCHAR_
+#define _LASTCHAR_
+#if BYTE_ORDER == LITTLE_ENDIAN
+const int32 kLASTCHAR = 0xFF000000;
+#else
+const int32 kLASTCHAR = 0x000000FF;
+#endif
+#endif
+
+
+void str4cpy(int32 *dst, const char *src);
+void mem4cpy(int32 *dst, const char *src, int charlen);
+
+// returns the number of pad bytes to add to a string of a given length
+inline int str4padbytes(int charlen)
+{
+ return 4 - (charlen & 3);
+}
+
+// converts length in bytes to length in words
+inline int str4len(int charlen)
+{
+ return (charlen + 4) >> 2;
+}
+
+// returns length in words of a char *
+inline int str4len(const char *src)
+{
+ const char *src0 = src;
+ while (*src) { src++; }
+ return str4len(src - src0);
+}
+
+// returns length in words of a int32 *
+inline int str4len(const int32 *src)
+{
+ const int32 *src0 = src;
+ while (*src++ & kLASTCHAR) {}
+ int wordlen = src - src0;
+ return wordlen;
+}
+
+// returns length in words of a int32 *
+inline bool str4eq(const int32 *a, const int32 *b)
+{
+ while(true) {
+ if (*a != *b) return false;
+ if ((*a & kLASTCHAR) == 0) return true;
+ a++; b++;
+ }
+}
+
+// copy an int32 *
+inline void str4cpy(int32 *dst, const int32 *src)
+{
+ int32 c;
+ do {
+ *dst++ = c = *src++;
+ } while (c & kLASTCHAR);
+}
+
+inline int sc_atoi(char *string)
+{
+ int value = 0;
+ if (*string == 0) return -1;
+ uint32 c;
+ while ((c = *string++ - '0') <= 9) {
+ value = value * 10 + c;
+ }
+ return value;
+}
+
+
+#endif