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33 lines
621 B
C
33 lines
621 B
C
/*
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** This file is in the public domain, so clarified as of
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** 2006-07-17 by Arthur David Olson.
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*/
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/*LINTLIBRARY*/
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#include "private.h"
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char *
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icatalloc(char *const old, const char *const new)
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{
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register char * result;
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register int oldsize, newsize;
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newsize = (new == NULL) ? 0 : strlen(new);
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if (old == NULL)
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oldsize = 0;
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else if (newsize == 0)
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return old;
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else oldsize = strlen(old);
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if ((result = realloc(old, oldsize + newsize + 1)) != NULL)
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if (new != NULL)
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(void) strcpy(result + oldsize, new);
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return result;
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}
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char *
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icpyalloc(const char *const string)
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{
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return icatalloc(NULL, string);
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}
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