Remove ckfree, and replace all references with free. Remove freefunc,

which is also equivilent to free. Remove some if(x)free(x)
redundancies.

diff --git a/shell/ash.c b/shell/ash.c
index 64761b9..0997519 100644 (file)
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -308,7 +308,6 @@ static int stacknleft = MINSIZE;
 #define STADJUST(amount, p)     (p += (amount), sstrnleft -= (amount))
 #define grabstackstr(p) stalloc(stackblocksize() - sstrnleft)
 
-#define ckfree(p)       free((pointer)(p))
 
 
 #ifdef DEBUG
@@ -1305,7 +1304,7 @@ setalias(char *name, char *val)
        INTOFF;
        if (ap) {
                if (!(ap->flag & ALIASINUSE)) {
-                       ckfree(ap->val);
+                       free(ap->val);
                }
                ap->val = xstrdup(val);
                ap->flag &= ~ALIASDEAD;
@@ -1446,9 +1445,9 @@ freealias(struct alias *ap)
        }
 
        next = ap->next;
-       ckfree(ap->name);
-       ckfree(ap->val);
-       ckfree(ap);
+       free(ap->name);
+       free(ap->val);
+       free(ap);
        return next;
 }
 
@@ -2172,18 +2171,6 @@ copyfunc(union node *n)
 }
 
 /*
- * Free a parse tree.
- */
-
-static void
-freefunc(union node *n)
-{
-       if (n)
-               ckfree(n);
-}
-
-
-/*
  * Add a new command entry, replacing any existing command entry for
  * the same name.
  */
@@ -2196,7 +2183,7 @@ addcmdentry(char *name, struct cmdentry *entry)
        INTOFF;
        cmdp = cmdlookup(name, 1);
        if (cmdp->cmdtype == CMDFUNCTION) {
-               freefunc(cmdp->param.func);
+               free(cmdp->param.func);
        }
        cmdp->cmdtype = entry->cmdtype;
        cmdp->param = entry->u;
@@ -3130,7 +3117,7 @@ clear_traps(void)
        for (tp = trap ; tp < &trap[NSIG] ; tp++) {
                if (*tp && **tp) {      /* trap not NULL or SIG_IGN */
                        INTOFF;
-                       ckfree(*tp);
+                       free(*tp);
                        *tp = NULL;
                        if (tp != &trap[0])
                                setsignal(tp - trap);
@@ -3250,12 +3237,11 @@ popfile(void)
        INTOFF;
        if (pf->fd >= 0)
                close(pf->fd);
-       if (pf->buf)
-               ckfree(pf->buf);
+       free(pf->buf);
        while (pf->strpush)
                popstring();
        parsefile = pf->prev;
-       ckfree(pf);
+       free(pf);
        parsenleft = parsefile->nleft;
        parselleft = parsefile->lleft;
        parsenextc = parsefile->nextc;
@@ -3543,7 +3529,7 @@ printentry(struct tblentry *cmdp, int verbose)
                        out1str("a function\n");
                        name = commandtext(cmdp->param.func);
                        printf("%s() {\n %s\n}", cmdp->cmdname, name);
-                       ckfree(name);
+                       free(name);
                        INTON;
                }
 #ifdef DEBUG
@@ -3867,7 +3853,7 @@ clearcmdentry(int firstchange)
                         || (cmdp->cmdtype == CMDBUILTIN &&
                             builtinloc >= firstchange)) {
                                *pp = cmdp->next;
-                               ckfree(cmdp);
+                               free(cmdp);
                        } else {
                                pp = &cmdp->next;
                        }
@@ -3894,8 +3880,8 @@ deletefuncs(void)
                while ((cmdp = *pp) != NULL) {
                        if (cmdp->cmdtype == CMDFUNCTION) {
                                *pp = cmdp->next;
-                               freefunc(cmdp->param.func);
-                               ckfree(cmdp);
+                               free(cmdp->param.func);
+                               free(cmdp);
                        } else {
                                pp = &cmdp->next;
                        }
@@ -3961,7 +3947,7 @@ delete_cmd_entry()
        INTOFF;
        cmdp = *lastcmdentry;
        *lastcmdentry = cmdp->next;
-       ckfree(cmdp);
+       free(cmdp);
        INTON;
 }
 
@@ -4010,7 +3996,7 @@ unsetfunc(char *name)
        struct tblentry *cmdp;
 
        if ((cmdp = cmdlookup(name, 0)) != NULL && cmdp->cmdtype == CMDFUNCTION) {
-               freefunc(cmdp->param.func);
+               free(cmdp->param.func);
                delete_cmd_entry();
        }
 }
@@ -4526,7 +4512,7 @@ removerecordregions(int endoff)
                        struct ifsregion *ifsp;
                        INTOFF;
                        ifsp = ifsfirst.next->next;
-                       ckfree(ifsfirst.next);
+                       free(ifsfirst.next);
                        ifsfirst.next = ifsp;
                        INTON;
                }
@@ -4546,7 +4532,7 @@ removerecordregions(int endoff)
                struct ifsregion *ifsp;
                INTOFF;
                ifsp = ifslastp->next->next;
-               ckfree(ifslastp->next);
+               free(ifslastp->next);
                ifslastp->next = ifsp;
                INTON;
        }
@@ -4709,8 +4695,7 @@ err1:
 err2:
        if (in.fd >= 0)
                close(in.fd);
-       if (in.buf)
-               ckfree(in.buf);
+       free(in.buf);
        if (in.jp)
                exitstatus = waitforjob(in.jp);
        handler = savehandler;
@@ -5091,7 +5076,7 @@ ifsfree(void)
                struct ifsregion *ifsp;
                INTOFF;
                ifsp = ifsfirst.next->next;
-               ckfree(ifsfirst.next);
+               free(ifsfirst.next);
                ifsfirst.next = ifsp;
                INTON;
        }
@@ -5203,7 +5188,7 @@ expandmeta(struct strlist *str, int flag)
                }
 
                expmeta(expdir, str->text);
-               ckfree(expdir);
+               free(expdir);
                expdir = NULL;
                INTON;
                if (exparg.lastp == savelastp) {
@@ -5896,7 +5881,7 @@ popstring(void)
                        }
                }
                if (sp->string != sp->ap->val) {
-                       ckfree(sp->string);
+                       free(sp->string);
                }
 
                sp->ap->flag &= ~ALIASINUSE;
@@ -5910,7 +5895,7 @@ popstring(void)
 /*dprintf("*** calling popstring: restoring to '%s'\n", parsenextc);*/
        parsefile->strpush = sp->prev;
        if (sp != &(parsefile->basestrpush))
-               ckfree(sp);
+               free(sp);
        INTON;
 }
 
@@ -6411,10 +6396,10 @@ freejob(struct job *jp)
        INTOFF;
        for (i = jp->nprocs, ps = jp->ps ; --i >= 0 ; ps++) {
                if (ps->cmd != nullstr)
-                       ckfree(ps->cmd);
+                       free(ps->cmd);
        }
        if (jp->ps != &jp->ps0)
-               ckfree(jp->ps);
+               free(jp->ps);
        jp->used = 0;
 #ifdef CONFIG_ASH_JOB_CONTROL
        if (curjob == jp - jobtab + 1)
@@ -6555,7 +6540,7 @@ makejob(const union node *node, int nprocs)
                                for (i = 0; i < njobs; i++)
                                        if (jp[i].ps == &jobtab[i].ps0)
                                                jp[i].ps = &jp[i].ps0;
-                               ckfree(jobtab);
+                               free(jobtab);
                                jobtab = jp;
                        }
                        jp = jobtab + njobs;
@@ -7368,7 +7353,6 @@ commandtext(const union node *n)
 
 static void waitonint(int sig) {
        intreceived = 1;
-       return;
 }
 
 #ifdef CONFIG_ASH_MAIL
@@ -7840,7 +7824,7 @@ popstackmark(struct stackmark *mark)
        while (stackp != mark->stackp) {
                sp = stackp;
                stackp = sp->prev;
-               ckfree(sp);
+               free(sp);
        }
        stacknxt = mark->stacknxt;
        stacknleft = mark->stacknleft;
@@ -9025,8 +9009,8 @@ freeparam(volatile struct shparam *param)
 
        if (param->malloc) {
                for (ap = param->p ; *ap ; ap++)
-                       ckfree(*ap);
-               ckfree(param->p);
+                       free(*ap);
+               free(param->p);
        }
 }
 
@@ -9051,7 +9035,7 @@ shiftcmd(int argc, char **argv)
        shellparam.nparam -= n;
        for (ap1 = shellparam.p ; --n >= 0 ; ap1++) {
                if (shellparam.malloc)
-                       ckfree(*ap1);
+                       free(*ap1);
        }
        ap2 = shellparam.p;
        while ((*ap2++ = *ap1++) != NULL);
@@ -10673,8 +10657,7 @@ parsebackq: {
 
        savepbq = parsebackquote;
        if (setjmp(jmploc.loc)) {
-               if (str)
-                       ckfree(str);
+               free(str);
                parsebackquote = 0;
                handler = savehandler;
                longjmp(handler->loc, 1);
@@ -10794,7 +10777,7 @@ done:
                memcpy(out, str, savelen);
                STADJUST(savelen, out);
                INTOFF;
-               ckfree(str);
+               free(str);
                str = NULL;
                INTON;
        }
@@ -11237,7 +11220,7 @@ popredir(void)
                }
        }
        redirlist = rp->next;
-       ckfree(rp);
+       free(rp);
        INTON;
 }
 
@@ -11683,8 +11666,7 @@ trapcmd(int argc, char **argv)
                        else
                                action = xstrdup(action);
                }
-               if (trap[signo])
-                       ckfree(trap[signo]);
+               free(trap[signo]);
                trap[signo] = action;
                if (signo != 0)
                        setsignal(signo);
@@ -11995,7 +11977,7 @@ setvareq(char *s, int flags)
                        (*vp->func)(strchr(s, '=') + 1);
 
                if ((vp->flags & (VTEXTFIXED|VSTACK)) == 0)
-                       ckfree(vp->text);
+                       free(vp->text);
 
                vp->flags &= ~(VTEXTFIXED|VSTACK|VUNSET);
                vp->flags |= flags;
@@ -12122,9 +12104,9 @@ shprocvar(void) {
                        if ((vp->flags & VEXPORT) == 0) {
                                *prev = vp->next;
                                if ((vp->flags & VTEXTFIXED) == 0)
-                                       ckfree(vp->text);
+                                       free(vp->text);
                                if ((vp->flags & VSTRFIXED) == 0)
-                                       ckfree(vp);
+                                       free(vp);
                        } else {
                                if (vp->flags & VSTACK) {
                                        vp->text = xstrdup(vp->text);
@@ -12270,16 +12252,16 @@ poplocalvars() {
                vp = lvp->vp;
                if (vp == NULL) {       /* $- saved */
                        memcpy(optet_vals, lvp->text, sizeof optet_vals);
-                       ckfree(lvp->text);
+                       free(lvp->text);
                } else if ((lvp->flags & (VUNSET|VSTRFIXED)) == VUNSET) {
                        (void)unsetvar(vp->text);
                } else {
                        if ((vp->flags & VTEXTFIXED) == 0)
-                               ckfree(vp->text);
+                               free(vp->text);
                        vp->flags = lvp->flags;
                        vp->text = lvp->text;
                }
-               ckfree(lvp);
+               free(lvp);
        }
 }
 
@@ -12353,9 +12335,9 @@ unsetvar(const char *s)
                vp->flags |= VUNSET;
                if ((vp->flags & VSTRFIXED) == 0) {
                        if ((vp->flags & VTEXTFIXED) == 0)
-                               ckfree(vp->text);
+                               free(vp->text);
                        *vpp = vp->next;
-                       ckfree(vp);
+                       free(vp);
                }
                INTON;
                return (0);
@@ -12440,7 +12422,7 @@ findvar(struct var **vpp, const char *name)
 /*
  * Copyright (c) 1999 Herbert Xu <herbert@debian.org>
  * This file contains code for the times builtin.
- * $Id: ash.c,v 1.55 2002/07/11 11:11:51 andersen Exp $
+ * $Id: ash.c,v 1.56 2002/08/02 06:39:47 aaronl Exp $
  */
 static int timescmd (int argc, char **argv)
 {