To: [email protected]
Subject: Patch 7.2b.005
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From: Bram Moolenaar <[email protected]>
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------------

Patch 7.2b.005
Problem:    The special character "!" isn't handled properly in shellescape().
           (Jan Minar)
Solution:   Escape "!" when using a "csh" like shell and with
           shellescape(s, 1).  Twice for both.  Also escape <NL>.
Files:      src/misc2.c


*** ../vim-7.2b.004/src/misc2.c Fri Jul  4 11:43:30 2008
--- src/misc2.c Wed Jul 16 22:40:33 2008
***************
*** 1262,1268 ****
  * Escape "string" for use as a shell argument with system().
  * This uses single quotes, except when we know we need to use double qoutes
  * (MS-DOS and MS-Windows without 'shellslash' set).
!  * Also replace "%", "#" and things like "<cfile>" when "do_special" is TRUE.
  * Returns the result in allocated memory, NULL if we have run out.
  */
     char_u *
--- 1262,1270 ----
  * Escape "string" for use as a shell argument with system().
  * This uses single quotes, except when we know we need to use double qoutes
  * (MS-DOS and MS-Windows without 'shellslash' set).
!  * Escape a newline, depending on the 'shell' option.
!  * When "do_special" is TRUE also replace "!", "%", "#" and things starting
!  * with "<" like "<cfile>".
  * Returns the result in allocated memory, NULL if we have run out.
  */
     char_u *
***************
*** 1275,1280 ****
--- 1277,1289 ----
     char_u    *d;
     char_u    *escaped_string;
     int               l;
+     int               csh_like;
+
+     /* Only csh and similar shells expand '!' within single quotes.  For sh and
+      * the like we must not put a backslash before it, it will be taken
+      * literally.  If do_special is set the '!' will be escaped twice.
+      * Csh also needs to have "\n" escaped twice when do_special is set. */
+     csh_like = (strstr((char *)gettail(p_sh), "csh") != NULL);

     /* First count the number of extra bytes required. */
     length = (unsigned)STRLEN(string) + 3;  /* two quotes and a trailing NUL */
***************
*** 1290,1295 ****
--- 1299,1310 ----
 # endif
       if (*p == '\'')
           length += 3;                /* ' => '\'' */
+       if (*p == '\n' || (*p == '!' && (csh_like || do_special)))
+       {
+           ++length;                   /* insert backslash */
+           if (csh_like && do_special)
+               ++length;               /* insert backslash */
+       }
       if (do_special && find_cmdline_var(p, &l) >= 0)
       {
           ++length;                   /* insert backslash */
***************
*** 1335,1340 ****
--- 1350,1363 ----
               ++p;
               continue;
           }
+           if (*p == '\n' || (*p == '!' && (csh_like || do_special)))
+           {
+               *d++ = '\\';
+               if (csh_like && do_special)
+                   *d++ = '\\';
+               *d++ = *p++;
+               continue;
+           }
           if (do_special && find_cmdline_var(p, &l) >= 0)
           {
               *d++ = '\\';            /* insert backslash */
*** ../vim-7.2b.004/src/version.c       Mon Jul 14 23:04:13 2008
--- src/version.c       Wed Jul 16 22:31:54 2008
***************
*** 678,679 ****
--- 678,681 ----
 {   /* Add new patch number below this line */
+ /**/
+     5,
 /**/

--
Place mark here ->[ ]<- if you want a dirty monitor.

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