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-rw-r--r--shell/ash.c88
1 files changed, 46 insertions, 42 deletions
diff --git a/shell/ash.c b/shell/ash.c
index 731b07996..3107181a6 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -1190,9 +1190,9 @@ varcmp(const char *p, const char *q)
q++;
}
if (c == '=')
- c = 0;
+ c = '\0';
if (d == '=')
- d = 0;
+ d = '\0';
out:
return c - d;
}
@@ -1469,7 +1469,8 @@ listsetvar(struct strlist *list_set_var, int flags)
INT_OFF;
do {
setvareq(lp->text, flags);
- } while ((lp = lp->next));
+ lp = lp->next;
+ } while (lp);
INT_ON;
}
@@ -3790,7 +3791,8 @@ parse_command_args(char **argv, const char **path)
/* run 'typecmd' for other options */
return 0;
}
- } while ((c = *cp++));
+ c = *cp++;
+ } while (c);
}
return argv;
}
@@ -6025,49 +6027,51 @@ ifsbreakup(char *string, struct arglist *arglist)
q = p;
if (*p == CTLESC)
p++;
- if (strchr(ifs, *p)) {
- if (!nulonly)
- ifsspc = (strchr(defifs, *p) != NULL);
- /* Ignore IFS whitespace at start */
- if (q == start && ifsspc) {
- p++;
- start = p;
- continue;
- }
- *q = '\0';
- sp = stalloc(sizeof(*sp));
- sp->text = start;
- *arglist->lastp = sp;
- arglist->lastp = &sp->next;
+ if (!strchr(ifs, *p)) {
p++;
- if (!nulonly) {
- for (;;) {
- if (p >= string + ifsp->endoff) {
- break;
- }
- q = p;
- if (*p == CTLESC)
+ continue;
+ }
+ if (!nulonly)
+ ifsspc = (strchr(defifs, *p) != NULL);
+ /* Ignore IFS whitespace at start */
+ if (q == start && ifsspc) {
+ p++;
+ start = p;
+ continue;
+ }
+ *q = '\0';
+ sp = stalloc(sizeof(*sp));
+ sp->text = start;
+ *arglist->lastp = sp;
+ arglist->lastp = &sp->next;
+ p++;
+ if (!nulonly) {
+ for (;;) {
+ if (p >= string + ifsp->endoff) {
+ break;
+ }
+ q = p;
+ if (*p == CTLESC)
+ p++;
+ if (strchr(ifs, *p) == NULL ) {
+ p = q;
+ break;
+ } else if (strchr(defifs, *p) == NULL) {
+ if (ifsspc) {
p++;
- if (strchr(ifs, *p) == NULL ) {
+ ifsspc = 0;
+ } else {
p = q;
break;
- } else if (strchr(defifs, *p) == NULL) {
- if (ifsspc) {
- p++;
- ifsspc = 0;
- } else {
- p = q;
- break;
- }
- } else
- p++;
- }
+ }
+ } else
+ p++;
}
- start = p;
- } else
- p++;
- }
- } while ((ifsp = ifsp->next) != NULL);
+ }
+ start = p;
+ } /* while */
+ ifsp = ifsp->next;
+ } while (ifsp != NULL);
if (nulonly)
goto add;
}