Patch 7.3.589
Problem: Crash when $HOME is not set.
Solution: Check for a NULL pointer. (Chris Webb)
Files: src/misc1.c
*** ../vim-7.3.588/src/misc1.c 2012-06-29 15:04:34.000000000 +0200
--- src/misc1.c 2012-07-06 16:44:39.000000000 +0200
***************
*** 4496,4503 ****
#else
homedir_env_orig = homedir_env = mch_getenv((char_u *)"HOME");
#endif
#if defined(FEAT_MODIFY_FNAME) || defined(WIN3264)
! if (vim_strchr(homedir_env, '~') != NULL)
{
int usedlen = 0;
int flen;
--- 4496,4507 ----
#else
homedir_env_orig = homedir_env = mch_getenv((char_u *)"HOME");
#endif
+ /* Empty is the same as not set. */
+ if (homedir_env != NULL && *homedir_env == NUL)
+ homedir_env = NULL;
+
#if defined(FEAT_MODIFY_FNAME) || defined(WIN3264)
! if (homedir_env != NULL && vim_strchr(homedir_env, '~') != NULL)
{
int usedlen = 0;
int flen;
***************
*** 4513,4520 ****
}
#endif
- if (homedir_env != NULL && *homedir_env == NUL)
- homedir_env = NULL;
if (homedir_env != NULL)
envlen = STRLEN(homedir_env);
--- 4517,4522 ----
*** ../vim-7.3.588/src/version.c 2012-07-06 16:39:43.000000000 +0200
--- src/version.c 2012-07-06 16:45:18.000000000 +0200
***************
*** 716,717 ****
--- 716,719 ----
{ /* Add new patch number below this line */
+ /**/
+ 589,
/**/
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