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71 lines
3.0 KiB
C
71 lines
3.0 KiB
C
/*
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Copyright © 1998. The Regents of the University of California (Regents).
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All Rights Reserved.
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Written by Matt Wright, The Center for New Music and Audio Technologies,
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University of California, Berkeley.
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Permission to use, copy, modify, distribute, and distribute modified versions
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of this software and its documentation without fee and without a signed
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licensing agreement, is hereby granted, provided that the above copyright
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notice, this paragraph and the following two paragraphs appear in all copies,
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modifications, and distributions.
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IN NO EVENT SHALL REGENTS BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,
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SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING
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OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF REGENTS HAS
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BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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REGENTS SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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PURPOSE. THE SOFTWARE AND ACCOMPANYING DOCUMENTATION, IF ANY, PROVIDED
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HEREUNDER IS PROVIDED "AS IS". REGENTS HAS NO OBLIGATION TO PROVIDE
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MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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The OpenSound Control WWW page is
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http://www.cnmat.berkeley.edu/OpenSoundControl
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*/
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/* OSC-string-help.h
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Procedures that could be useful to programmers writing OSC methods that
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take string arguments.
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by Matt Wright, 3/19/98
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*/
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/* Use this to deal with OSC null-padded 4 byte-aligned strings
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The argument is a block of data beginning with a string. The string
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has (presumably) been padded with extra null characters so that the
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overall length is a multiple of 4 bytes. Return a pointer to the next
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byte after the null byte(s). The boundary argument points to the
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character after the last valid character in the buffer---if the string
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hasn't ended by there, something's wrong.
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If the data looks wrong, return 0, and set *errorMsg */
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char *OSCDataAfterAlignedString(const char *string, const char *boundary, char **errorMsg);
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/* Given a normal C-style string with a single padding byte, return the
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length of the string including the necessary 1-4 padding bytes.
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(Basically strlen()+1 rounded up to the next multiple of 4.) */
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int OSCPaddedStrlen(const char *s);
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/* Copy a given C-style string into the given destination, including the
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requisite padding byte(s). Unlike strcpy(), this returns a pointer to
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the next character after the copied string's null bytes, like
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what OSCDataAfterAlignedString() returns. */
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char *OSCPaddedStrcpy(char *target, const char *source);
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/* Given an args pointer that should be nothing but a list of strings, fill
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result[] with pointers to the beginnings of each string, and set
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*numStrings to be the number of strings found. maxStrings gives the size
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of the result array. Return FALSE if any strings are malformatted or if
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there are more than maxStrings many strings. */
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Boolean OSCParseStringList(const char *result[], int *numStrings, int maxStrings,
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const char *args, int numBytes);
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