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- /*-
- * Copyright (c) 1980 The Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
- #ifndef lint
- static char sccsid[] = "@(#)string.c 5.5 (Berkeley) 4/16/91";
- #endif /* not lint */
-
- #include "whoami.h"
- #include "align.h"
- #include "0.h"
- #ifndef PI01
- #ifndef PXP
- #include "send.h"
- #endif
- #endif
-
- /*
- * STRING SPACE DECLARATIONS
- *
- * Strng is the base of the current
- * string space and strngp the
- * base of the free area therein.
- * Strp is the array of descriptors.
- */
- #ifndef PI0
- STATIC char strings[STRINC];
- STATIC char *strng = strings;
- STATIC char *strngp = strings;
- #else
- char *strng, *strngp;
- #endif
- #ifndef PI01
- #ifndef PXP
- STATIC char *strp[20];
- STATIC char **stract strp;
- int strmax;
- #endif
- #endif
-
- #ifndef PI01
- #ifndef PXP
- #ifndef PI0
- initstring()
- #else
- initstring(strings)
- char *strings;
- #endif
- {
-
- *stract++ = strings;
- #ifdef PI0
- strng = strngp = strings;
- #endif
- strmax = STRINC * 2;
- }
- #endif
- #endif
-
- /*
- * Copy a string into the string area.
- */
- char *
- savestr(cp)
- register char *cp;
- {
- register int i;
-
- i = strlen(cp) + 1;
- if (strngp + i >= strng + STRINC) {
- strngp = malloc(STRINC);
- if (strngp == 0) {
- yerror("Ran out of memory (string)");
- pexit(DIED);
- }
- #ifndef PI01
- #ifndef PXP
- *stract++ = strngp;
- strmax += STRINC;
- #endif
- #endif
- strng = strngp;
- }
- (void) pstrcpy(strngp, cp);
- cp = strngp;
- strngp = cp + i;
- #ifdef PI0
- send(RSTRING, cp);
- #endif
- return (cp);
- }
-
- #ifndef PI1
- #ifndef PXP
- char *
- esavestr(cp)
- char *cp;
- {
-
- #ifdef PI0
- send(REVENIT);
- #endif
- strngp = ( (char *) roundup( strngp, A_LONG ) );
- return (savestr(cp));
- }
- #endif
- #endif
-
- #ifndef PI01
- #ifndef PXP
- soffset(cp)
- register char *cp;
- {
- register char **sp;
- register int i;
-
- if (cp == NIL || cp == OCT || cp == HEX)
- return (-cp);
- for (i = STRINC, sp = strp; sp < stract; sp++) {
- if (cp >= *sp && cp < (*sp + STRINC))
- return (i + (cp - *sp));
- i += STRINC;
- }
- i = nlfund(cp);
- if (i != 0)
- return (i);
- panic("soffset");
- }
- #ifdef PI1
- sreloc(i)
- register int i;
- {
-
- if (i == 0 || i == -OCT || i == -HEX)
- return (-i);
- if (i < STRINC) {
- if (i >= INL)
- panic("sreloc INL");
- i = nl[i].symbol;
- if (i == 0)
- panic("sreloc nl[i]");
- return (i);
- }
- if (i > strmax || i < 0)
- panic("sreloc");
- return (strp[(i / STRINC) - 1] + (i % STRINC));
- }
- #endif
- #endif
- #endif
-