shells/pdksh/pdksh-5.2.14-2.patch

   1 # --- SDE-COPYRIGHT-NOTE-BEGIN ---
   2 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
   3 #
   4 # Filename: package/.../pdksh/pdksh-5.2.14-2.patch
   5 # Copyright (C) 2004 - 2006 The T2 SDE Project
   6 # Copyright (C) 1998 - 2003 Clifford Wolf
   7 #
   8 # More information can be found in the files COPYING and README.
   9 #
  10 # This patch file is dual-licensed. It is available under the license the
  11 # patched project is licensed under, as long as it is an OpenSource license
  12 # as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
  13 # of the GNU General Public License as published by the Free Software
  14 # Foundation; either version 2 of the License, or (at your option) any later
  15 # version.
  16 # --- SDE-COPYRIGHT-NOTE-END ---
  17
  18
  19 [ ftp://ftp.cs.mun.ca/pub/pdksh/pdksh-5.2.14-patches.2 ]
  20
  21 --- ./exec.c.a  Mon Jan 29 10:02:13 2001
  22 +++ ./exec.c    Mon Jan 29 10:06:57 2001
  23 @@ -76,6 +76,7 @@
  24  {
  25         int i;
  26         volatile int rv = 0;
  27 +       volatile int rv_prop = 0; /* rv being propogated or newly generated? */
  28         int pv[2];
  29         char ** volatile ap;
  30         char *s, *cp;
  31 @@ -157,6 +158,7 @@
  32
  33           case TPAREN:
  34                 rv = execute(t->left, flags|XFORK);
  35 +               rv_prop = 1;
  36                 break;
  37
  38           case TPIPE:
  39 @@ -275,6 +277,7 @@
  40                         rv = execute(t->right, flags & XERROK);
  41                 else
  42                         flags |= XERROK;
  43 +               rv_prop = 1;
  44                 break;
  45
  46           case TBANG:
  47 @@ -323,6 +326,7 @@
  48                         }
  49                 }
  50                 rv = 0; /* in case of a continue */
  51 +               rv_prop = 1;
  52                 if (t->type == TFOR) {
  53                         while (*ap != NULL) {
  54                                 setstr(global(t->str), *ap++, KSH_SS_UNWIND_ERROR);
  55 @@ -334,6 +338,7 @@
  56                         for (;;) {
  57                                 if (!(cp = do_selectargs(ap, is_first))) {
  58                                         rv = 1;
  59 +                                       rv_prop = 0;
  60                                         break;
  61                                 }
  62                                 is_first = FALSE;
  63 @@ -365,6 +370,7 @@
  64                 rv = 0; /* in case of a continue */
  65                 while ((execute(t->left, XERROK) == 0) == (t->type == TWHILE))
  66                         rv = execute(t->right, flags & XERROK);
  67 +               rv_prop = 1;
  68                 break;
  69
  70           case TIF:
  71 @@ -374,6 +380,7 @@
  72                 rv = execute(t->left, XERROK) == 0 ?
  73                         execute(t->right->left, flags & XERROK) :
  74                         execute(t->right->right, flags & XERROK);
  75 +               rv_prop = 1;
  76                 break;
  77
  78           case TCASE:
  79 @@ -386,10 +393,12 @@
  80                 break;
  81           Found:
  82                 rv = execute(t->left, flags & XERROK);
  83 +               rv_prop = 1;
  84                 break;
  85
  86           case TBRACE:
  87                 rv = execute(t->left, flags & XERROK);
  88 +               rv_prop = 1;
  89                 break;
  90
  91           case TFUNCT:
  92 @@ -401,6 +410,7 @@
  93                  * (allows "ls -l | time grep foo").
  94                  */
  95                 rv = timex(t, flags & ~XEXEC);
  96 +               rv_prop = 1;
  97                 break;
  98
  99           case TEXEC:           /* an eval'd TCOM */
 100 @@ -428,7 +438,7 @@
 101         quitenv();              /* restores IO */
 102         if ((flags&XEXEC))
 103                 unwind(LEXIT);  /* exit child */
 104 -       if (rv != 0 && !(flags & XERROK)) {
 105 +       if (rv != 0 && !rv_prop && !(flags & XERROK)) {
 106                 if (Flag(FERREXIT))
 107                         unwind(LERROR);
 108                 trapsig(SIGERR_);