ash: move ifsbreakup() and ifsfree() up

Preparatory patch.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/shell/ash.c b/shell/ash.c
index c575e10368ed7b96d28b5e8f1fe0bc786d98786d..7acb33e7e4620d458ab54195d3363ae9646f450c 100644 (file)
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -5568,6 +5568,116 @@ cvtnum(arith_t num)
        return len;
 }
 
+/*
+ * Break the argument string into pieces based upon IFS and add the
+ * strings to the argument list.  The regions of the string to be
+ * searched for IFS characters have been stored by recordregion.
+ */
+static void
+ifsbreakup(char *string, struct arglist *arglist)
+{
+       struct ifsregion *ifsp;
+       struct strlist *sp;
+       char *start;
+       char *p;
+       char *q;
+       const char *ifs, *realifs;
+       int ifsspc;
+       int nulonly;
+
+       start = string;
+       if (ifslastp != NULL) {
+               ifsspc = 0;
+               nulonly = 0;
+               realifs = ifsset() ? ifsval() : defifs;
+               ifsp = &ifsfirst;
+               do {
+                       p = string + ifsp->begoff;
+                       nulonly = ifsp->nulonly;
+                       ifs = nulonly ? nullstr : realifs;
+                       ifsspc = 0;
+                       while (p < string + ifsp->endoff) {
+                               q = p;
+                               if ((unsigned char)*p == CTLESC)
+                                       p++;
+                               if (!strchr(ifs, *p)) {
+                                       p++;
+                                       continue;
+                               }
+                               if (!nulonly)
+                                       ifsspc = (strchr(defifs, *p) != NULL);
+                               /* Ignore IFS whitespace at start */
+                               if (q == start && ifsspc) {
+                                       p++;
+                                       start = p;
+                                       continue;
+                               }
+                               *q = '\0';
+                               sp = stzalloc(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 ((unsigned char)*p == CTLESC)
+                                                       p++;
+                                               if (strchr(ifs, *p) == NULL) {
+                                                       p = q;
+                                                       break;
+                                               }
+                                               if (strchr(defifs, *p) == NULL) {
+                                                       if (ifsspc) {
+                                                               p++;
+                                                               ifsspc = 0;
+                                                       } else {
+                                                               p = q;
+                                                               break;
+                                                       }
+                                               } else
+                                                       p++;
+                                       }
+                               }
+                               start = p;
+                       } /* while */
+                       ifsp = ifsp->next;
+               } while (ifsp != NULL);
+               if (nulonly)
+                       goto add;
+       }
+
+       if (!*start)
+               return;
+
+ add:
+       sp = stzalloc(sizeof(*sp));
+       sp->text = start;
+       *arglist->lastp = sp;
+       arglist->lastp = &sp->next;
+}
+
+static void
+ifsfree(void)
+{
+       struct ifsregion *p;
+
+       INT_OFF;
+       p = ifsfirst.next;
+       do {
+               struct ifsregion *ifsp;
+               ifsp = p->next;
+               free(p);
+               p = ifsp;
+       } while (p);
+       ifslastp = NULL;
+       ifsfirst.next = NULL;
+       INT_ON;
+}
+
 static size_t
 esclen(const char *start, const char *p)
 {
@@ -6848,116 +6958,6 @@ evalvar(char *p, int flag, struct strlist *var_str_list)
        return p;
 }
 
-/*
- * Break the argument string into pieces based upon IFS and add the
- * strings to the argument list.  The regions of the string to be
- * searched for IFS characters have been stored by recordregion.
- */
-static void
-ifsbreakup(char *string, struct arglist *arglist)
-{
-       struct ifsregion *ifsp;
-       struct strlist *sp;
-       char *start;
-       char *p;
-       char *q;
-       const char *ifs, *realifs;
-       int ifsspc;
-       int nulonly;
-
-       start = string;
-       if (ifslastp != NULL) {
-               ifsspc = 0;
-               nulonly = 0;
-               realifs = ifsset() ? ifsval() : defifs;
-               ifsp = &ifsfirst;
-               do {
-                       p = string + ifsp->begoff;
-                       nulonly = ifsp->nulonly;
-                       ifs = nulonly ? nullstr : realifs;
-                       ifsspc = 0;
-                       while (p < string + ifsp->endoff) {
-                               q = p;
-                               if ((unsigned char)*p == CTLESC)
-                                       p++;
-                               if (!strchr(ifs, *p)) {
-                                       p++;
-                                       continue;
-                               }
-                               if (!nulonly)
-                                       ifsspc = (strchr(defifs, *p) != NULL);
-                               /* Ignore IFS whitespace at start */
-                               if (q == start && ifsspc) {
-                                       p++;
-                                       start = p;
-                                       continue;
-                               }
-                               *q = '\0';
-                               sp = stzalloc(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 ((unsigned char)*p == CTLESC)
-                                                       p++;
-                                               if (strchr(ifs, *p) == NULL) {
-                                                       p = q;
-                                                       break;
-                                               }
-                                               if (strchr(defifs, *p) == NULL) {
-                                                       if (ifsspc) {
-                                                               p++;
-                                                               ifsspc = 0;
-                                                       } else {
-                                                               p = q;
-                                                               break;
-                                                       }
-                                               } else
-                                                       p++;
-                                       }
-                               }
-                               start = p;
-                       } /* while */
-                       ifsp = ifsp->next;
-               } while (ifsp != NULL);
-               if (nulonly)
-                       goto add;
-       }
-
-       if (!*start)
-               return;
-
- add:
-       sp = stzalloc(sizeof(*sp));
-       sp->text = start;
-       *arglist->lastp = sp;
-       arglist->lastp = &sp->next;
-}
-
-static void
-ifsfree(void)
-{
-       struct ifsregion *p;
-
-       INT_OFF;
-       p = ifsfirst.next;
-       do {
-               struct ifsregion *ifsp;
-               ifsp = p->next;
-               free(p);
-               p = ifsp;
-       } while (p);
-       ifslastp = NULL;
-       ifsfirst.next = NULL;
-       INT_ON;
-}
-
 /*
  * Add a file name to the list.
  */