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+To: vim_dev@googlegroups.com
+Subject: Patch 7.3.051
+Fcc: outbox
+From: Bram Moolenaar <Bram@moolenaar.net>
+Mime-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+------------
+
+Patch 7.3.051
+Problem: Crash when $PATH is empty.
+Solution: Check for vim_getenv() returning NULL. (Yasuhiro Matsumoto)
+Files: src/ex_getln.c, src/os_win32.c
+
+
+*** ../vim-7.3.050/src/ex_getln.c 2010-10-27 12:58:19.000000000 +0200
+--- src/ex_getln.c 2010-11-10 15:31:33.000000000 +0100
+***************
+*** 4747,4753 ****
+--- 4747,4757 ----
+ || (pat[1] == '.' && vim_ispathsep(pat[2])))))
+ path = (char_u *)".";
+ else
++ {
+ path = vim_getenv((char_u *)"PATH", &mustfree);
++ if (path == NULL)
++ path = (char_u *)"";
++ }
+
+ /*
+ * Go over all directories in $PATH. Expand matches in that directory and
+*** ../vim-7.3.050/src/os_win32.c 2010-10-27 12:17:54.000000000 +0200
+--- src/os_win32.c 2010-11-10 15:30:36.000000000 +0100
+***************
+*** 211,223 ****
+ static void
+ get_exe_name(void)
+ {
+! char temp[MAXPATHL];
+ char_u *p;
+
+ if (exe_name == NULL)
+ {
+ /* store the name of the executable, may be used for $VIM */
+! GetModuleFileName(NULL, temp, MAXPATHL - 1);
+ if (*temp != NUL)
+ exe_name = FullName_save((char_u *)temp, FALSE);
+ }
+--- 211,226 ----
+ static void
+ get_exe_name(void)
+ {
+! /* Maximum length of $PATH is more than MAXPATHL. 8191 is often mentioned
+! * as the maximum length that works (plus a NUL byte). */
+! #define MAX_ENV_PATH_LEN 8192
+! char temp[MAX_ENV_PATH_LEN];
+ char_u *p;
+
+ if (exe_name == NULL)
+ {
+ /* store the name of the executable, may be used for $VIM */
+! GetModuleFileName(NULL, temp, MAX_ENV_PATH_LEN - 1);
+ if (*temp != NUL)
+ exe_name = FullName_save((char_u *)temp, FALSE);
+ }
+***************
+*** 232,241 ****
+ * "!xxd" it's found in our starting directory. Needed because
+ * SearchPath() also looks there. */
+ p = mch_getenv("PATH");
+! if (STRLEN(p) + STRLEN(exe_path) + 2 < MAXPATHL)
+ {
+! STRCPY(temp, p);
+! STRCAT(temp, ";");
+ STRCAT(temp, exe_path);
+ vim_setenv((char_u *)"PATH", temp);
+ }
+--- 235,250 ----
+ * "!xxd" it's found in our starting directory. Needed because
+ * SearchPath() also looks there. */
+ p = mch_getenv("PATH");
+! if (p == NULL
+! || STRLEN(p) + STRLEN(exe_path) + 2 < MAX_ENV_PATH_LEN)
+ {
+! if (p == NULL || *p == NUL)
+! temp[0] = NUL;
+! else
+! {
+! STRCPY(temp, p);
+! STRCAT(temp, ";");
+! }
+ STRCAT(temp, exe_path);
+ vim_setenv((char_u *)"PATH", temp);
+ }
+*** ../vim-7.3.050/src/version.c 2010-11-03 22:32:18.000000000 +0100
+--- src/version.c 2010-11-10 15:34:43.000000000 +0100
+***************
+*** 716,717 ****
+--- 716,719 ----
+ { /* Add new patch number below this line */
++ /**/
++ 51,
+ /**/
+
+--
+SIGFUN -- signature too funny (core dumped)
+
+ /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net \\\
+/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
+\\\ download, build and distribute -- http://www.A-A-P.org ///
+ \\\ help me help AIDS victims -- http://ICCF-Holland.org ///