72 lines
1.8 KiB
C
72 lines
1.8 KiB
C
/*
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* |-----------------------------------------------------------|
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* | Copyright (c) 1991, 1990 MIPS Computer Systems, Inc. |
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* | All Rights Reserved |
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* |-----------------------------------------------------------|
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* | Restricted Rights Legend |
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* | Use, duplication, or disclosure by the Government is |
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* | subject to restrictions as set forth in |
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* | subparagraph (c)(1)(ii) of the Rights in Technical |
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* | Data and Computer Software Clause of DFARS 252.227-7013. |
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* | MIPS Computer Systems, Inc. |
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* | 950 DeGuigne Avenue |
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* | Sunnyvale, California 94088-3650, USA |
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* |-----------------------------------------------------------|
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*/
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#ident "$Header: /proj/irix6.5.7m/isms/eoe/cmd/lp_svr4/lib/lp/RCS/addstring.c,v 1.1 1992/12/14 13:27:44 suresh Exp $"
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/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
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/* All Rights Reserved */
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/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
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/* The copyright notice above does not evidence any */
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/* actual or intended publication of such source code. */
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#include "string.h"
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#include "errno.h"
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#include "stdlib.h"
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#include "lp.h"
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/**
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** addstring() - ADD ONE STRING TO ANOTHER, ALLOCATING SPACE AS NEEDED
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**/
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int
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#if defined(__STDC__)
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addstring (
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char ** dst,
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char * src
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)
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#else
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addstring (dst, src)
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char **dst;
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char *src;
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#endif
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{
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size_t len;
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if (!dst || !src) {
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errno = EINVAL;
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return (-1);
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}
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len = strlen(src) + 1;
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if (*dst) {
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if (!(*dst = Realloc(*dst, strlen(*dst) + len))) {
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errno = ENOMEM;
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return (-1);
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}
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} else {
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if (!(*dst = Malloc(len))) {
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errno = ENOMEM;
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return (-1);
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}
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(*dst)[0] = '\0';
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}
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(void) strcat(*dst, src);
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return (0);
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}
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