diff options
Diffstat (limited to 'usr/src/cmd/fmli/sys/expand.c')
| -rw-r--r-- | usr/src/cmd/fmli/sys/expand.c | 217 |
1 files changed, 0 insertions, 217 deletions
diff --git a/usr/src/cmd/fmli/sys/expand.c b/usr/src/cmd/fmli/sys/expand.c deleted file mode 100644 index 4ede72004d..0000000000 --- a/usr/src/cmd/fmli/sys/expand.c +++ /dev/null @@ -1,217 +0,0 @@ -/* - * CDDL HEADER START - * - * The contents of this file are subject to the terms of the - * Common Development and Distribution License, Version 1.0 only - * (the "License"). You may not use this file except in compliance - * with the License. - * - * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE - * or http://www.opensolaris.org/os/licensing. - * See the License for the specific language governing permissions - * and limitations under the License. - * - * When distributing Covered Code, include this CDDL HEADER in each - * file and include the License file at usr/src/OPENSOLARIS.LICENSE. - * If applicable, add the following below this CDDL HEADER, with the - * fields enclosed by brackets "[]" replaced with your own identifying - * information: Portions Copyright [yyyy] [name of copyright owner] - * - * CDDL HEADER END - */ - -/* - * Copyright 2005 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. - */ - -/* Copyright (c) 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ -/* All Rights Reserved */ - - -#pragma ident "%Z%%M% %I% %E% SMI" - -#include <stdio.h> -#include <string.h> -#include <ctype.h> -#include "wish.h" -#include "moremacros.h" -#include "terror.h" -#include "sizes.h" -#include "sizes.h" - -/* - * Globals to maintain dynamic expansion buffer - * (destination buffer for "variable expanded" text) - */ -static char *Destbuf; -static int Bufsize; -static int Bufcnt; - -/* - * These macros check that the expansion buffer is BIG enough - * before text is copies into it. - */ -#define CHKbuf(p, q) if (++Bufcnt >= Bufsize) { \ - growbuf(q, BUFSIZ); \ - p = Destbuf + Bufcnt - 1; \ - } - -#define CHKnbuf(p, q, num) if ((Bufcnt += num) >= Bufsize) { \ - growbuf(q, num); \ - p = Destbuf + Bufcnt - num; \ - } -static char *pexpand(char *buf, char *name, char eos); - -/* - * GROWBUF will allocate/grow Destbuf by BUFSIZ - */ -static void -growbuf(buf, num) -char *buf; -int num; -{ - - Bufsize += num; - if (Destbuf == NULL) { - if ((Destbuf = malloc(Bufsize)) == NULL) - fatal(NOMEM, nil); - strcpy(Destbuf, buf); - } - else if ((Destbuf = realloc(Destbuf, Bufsize)) == NULL) - fatal(NOMEM, nil); -} - -/* - * EXPAND will "expand" all environment variables in the - * string pointed to by "src" and return a pointer to - * the expanded text. - */ -char * -expand(src) -char *src; -{ - char buf[BUFSIZ]; - char *ret; - - /* - * Use a static 1K buffer by default .... - * pexpand() will create a dynamic buffer - * if necessary and set "Destbuf" to it. - */ - Destbuf = NULL; - Bufsize = BUFSIZ; - Bufcnt = 0; - - (void) pexpand(buf, src, '\0'); - if (Destbuf) - ret = Destbuf; /* return malloc'd buffer */ - else - ret = strsave(buf); /* strsave text from static buffer */ - return(ret); -} - -static char * -pexpand(char *buf, char *name, char eos) -{ - register char delim; - register char *src; - register char *dst; - register char *file; - char fbuf[PATHSIZ]; - char *anyenv(); - char *getepenv(); - char *savebuf; - int savesize; - int savecnt; - - dst = buf; - src = name; - while (*src && *src != eos) { - if (*src == '\\') { - ++src; - CHKbuf(dst, buf); - *dst++ = *src++; - } - else if (*src == '$') { - register char *start; - - if ((delim = (*++src == '{') ? '}' : '\0')) - start = ++src; - else - start = src; - file = NULL; - if (*src == '(') { - /* - * Save dynamic buffer before calling - * pexpand() recursively - */ - savebuf = Destbuf; - savesize = Bufsize; - savecnt = Bufcnt; - - /* - * Initialize globals - */ - Destbuf = NULL; - Bufsize = PATHSIZ; - Bufcnt = 0; - - src = pexpand(fbuf, ++src, ')'); - if (*src) { - start = ++src; - if (Destbuf) - file = Destbuf; - else - file = fbuf; - } - - /* - * Restore previous values for - * dynamic buffer and continue - * as usual .... - */ - Destbuf = savebuf; - Bufsize = savesize; - Bufcnt = savecnt; - } - if (isalpha(*src)) { - register char *p; - register char savechar; - - while (isalpha(*src) || isdigit(*src) || *src == '_') - src++; - savechar = *src; - *src = '\0'; - if ((p = (file ? anyenv(file, start) : getepenv(start))) == NULL) { - if (delim) { - if ((*src = savechar) == ':' && *++src == '-') - while (*++src && *src != delim) { - CHKbuf(dst, buf); - *dst++ = *src; - } - } - else - *src = savechar; - } - else { - *src = savechar; - CHKnbuf(dst, buf, (int)strlen(p)); /* EFT k16 */ - strcpy(dst, p); - dst += strlen(p); - free(p); - } - if (delim) - while (*src && *src++ != delim) - ; - } - } - else { - CHKbuf(dst, buf); - *dst++ = *src++; - } - } - CHKbuf(dst, buf); - *dst = '\0'; - return src; -} |