static void update_vars(Char *vp) { if (eq(vp, STRpath)) { struct varent *p = adrof(STRpath); if (p == NULL) stderror(ERR_NAME | ERR_UNDVAR); else { exportpath(p->vec); dohash(NULL, NULL); } } else if (eq(vp, STRnoclobber)) { struct varent *p = adrof(STRnoclobber); if (p == NULL) stderror(ERR_NAME | ERR_UNDVAR); else no_clobber = set_noclobber(p->vec); } else if (eq(vp, STRhistchars)) { Char *pn = varval(vp); HIST = *pn++; if (HIST) HISTSUB = *pn; else HISTSUB = HIST; } else if (eq(vp, STRpromptchars)) { Char *pn = varval(vp); PRCH = *pn++; if (PRCH) PRCHROOT = *pn; else PRCHROOT = PRCH; } else if (eq(vp, STRhistlit)) { HistLit = 1; } else if (eq(vp, STRuser)) { tsetenv(STRKUSER, varval(vp)); tsetenv(STRLOGNAME, varval(vp)); } else if (eq(vp, STRgroup)) { tsetenv(STRKGROUP, varval(vp)); } else if (eq(vp, STRwordchars)) { word_chars = varval(vp); } else if (eq(vp, STRloginsh)) { loginsh = 1; } else if (eq(vp, STRanyerror)) { anyerror = 1; } else if (eq(vp, STRsymlinks)) { Char *pn = varval(vp); if (eq(pn, STRignore)) symlinks = SYM_IGNORE; else if (eq(pn, STRexpand)) symlinks = SYM_EXPAND; else if (eq(pn, STRchase)) symlinks = SYM_CHASE; else symlinks = 0; } else if (eq(vp, STRterm)) { Char *cp = varval(vp); tsetenv(STRKTERM, cp); #ifdef DOESNT_WORK_RIGHT cp = getenv("TERMCAP"); if (cp && (*cp != '/')) /* if TERMCAP and not a path */ Unsetenv(STRTERMCAP); #endif /* DOESNT_WORK_RIGHT */ GotTermCaps = 0; if (noediting && Strcmp(cp, STRnetwork) != 0 && Strcmp(cp, STRunknown) != 0 && Strcmp(cp, STRdumb) != 0) { editing = 1; noediting = 0; setNS(STRedit); } ed_Init(); /* reset the editor */ } else if (eq(vp, STRhome)) { Char *cp, *canon; cp = Strsave(varval(vp)); /* get the old value back */ cleanup_push(cp, xfree); /* * convert to cononical pathname (possibly resolving symlinks) */ canon = dcanon(cp, cp); cleanup_ignore(cp); cleanup_until(cp); cleanup_push(canon, xfree); setcopy(vp, canon, VAR_READWRITE); /* have to save the new val */ /* and now mirror home with HOME */ tsetenv(STRKHOME, canon); /* fix directory stack for new tilde home */ dtilde(); cleanup_until(canon); } else if (eq(vp, STRedit)) { editing = 1; noediting = 0; /* PWP: add more stuff in here later */ } else if (eq(vp, STRvimode)) { VImode = 1; update_wordchars(); } else if (eq(vp, STRshlvl)) { tsetenv(STRKSHLVL, varval(vp)); } else if (eq(vp, STRignoreeof)) { Char *cp; numeof = 0; for ((cp = varval(STRignoreeof)); cp && *cp; cp++) { if (!Isdigit(*cp)) { numeof = 0; break; } numeof = numeof * 10 + *cp - '0'; } if (numeof <= 0) numeof = 26; /* Sanity check */ } else if (eq(vp, STRbackslash_quote)) { bslash_quote = 1; } else if (eq(vp, STRcompat_expr)) { compat_expr = 1; } else if (eq(vp, STRdirstack)) { dsetstack(); } else if (eq(vp, STRrecognize_only_executables)) { tw_cmd_free(); } else if (eq(vp, STRkillring)) { SetKillRing((int)getn(varval(vp))); } else if (eq(vp, STRhistory)) { sethistory((int)getn(varval(vp))); } #ifndef HAVENOUTMP else if (eq(vp, STRwatch)) { resetwatch(); } #endif /* HAVENOUTMP */ else if (eq(vp, STRimplicitcd)) { implicit_cd = ((eq(varval(vp), STRverbose)) ? 2 : 1); } else if (eq(vp, STRcdtohome)) { cdtohome = 1; } #ifdef COLOR_LS_F else if (eq(vp, STRcolor)) { set_color_context(); } #endif /* COLOR_LS_F */ #if defined(KANJI) && defined(SHORT_STRINGS) && defined(DSPMBYTE) else if(eq(vp, CHECK_MBYTEVAR) || eq(vp, STRnokanji)) { update_dspmbyte_vars(); } #endif #ifdef NLS_CATALOGS else if (eq(vp, STRcatalog)) { nlsclose(); nlsinit(); } #if defined(FILEC) && defined(TIOCSTI) else if (eq(vp, STRfilec)) filec = 1; #endif #endif /* NLS_CATALOGS */ }
void /*ARGSUSED*/ doset(Char **v, struct command *t) { Char *p; Char *vp, op; Char **vecp; bool hadsub; int subscr; v++; p = *v++; if (p == 0) { prvars(); return; } do { hadsub = 0; vp = p; if (letter(*p)) for (; alnum(*p); p++) continue; if (vp == p || !letter(*vp)) stderror(ERR_NAME | ERR_VARBEGIN); if ((p - vp) > MAXVARLEN) { stderror(ERR_NAME | ERR_VARTOOLONG); return; } if (*p == '[') { hadsub++; p = getinx(p, &subscr); } if ((op = *p) != '\0') { *p++ = 0; if (*p == 0 && *v && **v == '(') p = *v++; } else if (*v && eq(*v, STRequal)) { op = '=', v++; if (*v) p = *v++; } if (op && op != '=') stderror(ERR_NAME | ERR_SYNTAX); if (eq(p, STRLparen)) { Char **e = v; if (hadsub) stderror(ERR_NAME | ERR_SYNTAX); for (;;) { if (!*e) stderror(ERR_NAME | ERR_MISSING, ')'); if (**e == ')') break; e++; } p = *e; *e = 0; vecp = saveblk(v); set1(vp, vecp, &shvhed); *e = p; v = e + 1; } else if (hadsub) asx(vp, subscr, Strsave(p)); else set(vp, Strsave(p)); if (eq(vp, STRpath)) { exportpath(adrof(STRpath)->vec); dohash(NULL, NULL); } else if (eq(vp, STRhistchars)) { Char *pn = value(STRhistchars); HIST = *pn++; HISTSUB = *pn; } else if (eq(vp, STRuser)) { Setenv(STRUSER, value(vp)); Setenv(STRLOGNAME, value(vp)); } else if (eq(vp, STRwordchars)) { word_chars = value(vp); } else if (eq(vp, STRterm)) Setenv(STRTERM, value(vp)); else if (eq(vp, STRhome)) { Char *cp; cp = Strsave(value(vp)); /* get the old value back */ /* * convert to canonical pathname (possibly resolving symlinks) */ cp = dcanon(cp, cp); set(vp, Strsave(cp)); /* have to save the new val */ /* and now mirror home with HOME */ Setenv(STRHOME, cp); /* fix directory stack for new tilde home */ dtilde(); free(cp); } else if (eq(vp, STRfilec)) filec = 1; } while ((p = *v++) != NULL); }