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+To: vim_dev@googlegroups.com
+Subject: Patch 8.1.0211
+Fcc: outbox
+From: Bram Moolenaar <Bram@moolenaar.net>
+Mime-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+------------
+
+Patch 8.1.0211
+Problem: Expanding a file name "~" results in $HOME. (Aidan Shafran)
+Solution: Change "~" to "./~" before expanding. (closes #3072)
+Files: src/testdir/test_expand.vim, src/ex_docmd.c, src/eval.c,
+ src/proto/eval.pro, src/evalfunc.c, src/if_cscope.c, src/misc1.c
+
+
+*** ../vim-8.1.0210/src/testdir/test_expand.vim Sun Jan 17 18:33:03 2016
+--- src/testdir/test_expand.vim Wed Jul 25 21:05:55 2018
+***************
+*** 39,41 ****
+--- 39,49 ----
+ call delete('Xdir ~ dir', 'd')
+ call assert_false(isdirectory('Xdir ~ dir'))
+ endfunc
++
++ func Test_expand_tilde_filename()
++ split ~
++ call assert_equal('~', expand('%'))
++ call assert_notequal(expand('%:p'), expand('~/'))
++ call assert_match('\~', expand('%:p'))
++ bwipe!
++ endfunc
+*** ../vim-8.1.0210/src/ex_docmd.c Sat Jul 7 16:41:10 2018
+--- src/ex_docmd.c Wed Jul 25 21:03:33 2018
+***************
+*** 10654,10659 ****
+--- 10654,10660 ----
+ int resultlen;
+ buf_T *buf;
+ int valid = VALID_HEAD + VALID_PATH; /* assume valid result */
++ int tilde_file = FALSE;
+ int spec_idx;
+ #ifdef FEAT_MODIFY_FNAME
+ int skip_mod = FALSE;
+***************
+*** 10720,10726 ****
+--- 10721,10730 ----
+ valid = 0; /* Must have ":p:h" to be valid */
+ }
+ else
++ {
+ result = curbuf->b_fname;
++ tilde_file = STRCMP(result, "~") == 0;
++ }
+ break;
+
+ case SPEC_HASH: /* '#' or "#99": alternate file */
+***************
+*** 10784,10790 ****
+--- 10788,10797 ----
+ valid = 0; /* Must have ":p:h" to be valid */
+ }
+ else
++ {
+ result = buf->b_fname;
++ tilde_file = STRCMP(result, "~") == 0;
++ }
+ }
+ break;
+
+***************
+*** 10877,10883 ****
+ #ifdef FEAT_MODIFY_FNAME
+ else if (!skip_mod)
+ {
+! valid |= modify_fname(src, usedlen, &result, &resultbuf,
+ &resultlen);
+ if (result == NULL)
+ {
+--- 10884,10890 ----
+ #ifdef FEAT_MODIFY_FNAME
+ else if (!skip_mod)
+ {
+! valid |= modify_fname(src, tilde_file, usedlen, &result, &resultbuf,
+ &resultlen);
+ if (result == NULL)
+ {
+*** ../vim-8.1.0210/src/eval.c Wed Jul 25 19:49:41 2018
+--- src/eval.c Wed Jul 25 21:05:06 2018
+***************
+*** 9690,9700 ****
+ */
+ int
+ modify_fname(
+! char_u *src, /* string with modifiers */
+! int *usedlen, /* characters after src that are used */
+! char_u **fnamep, /* file name so far */
+! char_u **bufp, /* buffer for allocated file name or NULL */
+! int *fnamelen) /* length of fnamep */
+ {
+ int valid = 0;
+ char_u *tail;
+--- 9690,9701 ----
+ */
+ int
+ modify_fname(
+! char_u *src, // string with modifiers
+! int tilde_file, // "~" is a file name, not $HOME
+! int *usedlen, // characters after src that are used
+! char_u **fnamep, // file name so far
+! char_u **bufp, // buffer for allocated file name or NULL
+! int *fnamelen) // length of fnamep
+ {
+ int valid = 0;
+ char_u *tail;
+***************
+*** 9724,9731 ****
+ || (*fnamep)[1] == '\\'
+ # endif
+ || (*fnamep)[1] == NUL)
+-
+ #endif
+ )
+ {
+ *fnamep = expand_env_save(*fnamep);
+--- 9725,9732 ----
+ || (*fnamep)[1] == '\\'
+ # endif
+ || (*fnamep)[1] == NUL)
+ #endif
++ && !(tilde_file && (*fnamep)[1] == NUL)
+ )
+ {
+ *fnamep = expand_env_save(*fnamep);
+*** ../vim-8.1.0210/src/proto/eval.pro Tue Jun 12 22:05:10 2018
+--- src/proto/eval.pro Wed Jul 25 21:03:50 2018
+***************
+*** 136,142 ****
+ int typval_compare(typval_T *typ1, typval_T *typ2, exptype_T type, int type_is, int ic);
+ char_u *typval_tostring(typval_T *arg);
+ int var_exists(char_u *var);
+! int modify_fname(char_u *src, int *usedlen, char_u **fnamep, char_u **bufp, int *fnamelen);
+ char_u *do_string_sub(char_u *str, char_u *pat, char_u *sub, typval_T *expr, char_u *flags);
+ void filter_map(typval_T *argvars, typval_T *rettv, int map);
+ /* vim: set ft=c : */
+--- 136,142 ----
+ int typval_compare(typval_T *typ1, typval_T *typ2, exptype_T type, int type_is, int ic);
+ char_u *typval_tostring(typval_T *arg);
+ int var_exists(char_u *var);
+! int modify_fname(char_u *src, int tilde_file, int *usedlen, char_u **fnamep, char_u **bufp, int *fnamelen);
+ char_u *do_string_sub(char_u *str, char_u *pat, char_u *sub, typval_T *expr, char_u *flags);
+ void filter_map(typval_T *argvars, typval_T *rettv, int map);
+ /* vim: set ft=c : */
+*** ../vim-8.1.0210/src/evalfunc.c Wed Jul 25 19:49:41 2018
+--- src/evalfunc.c Wed Jul 25 21:01:17 2018
+***************
+*** 3801,3807 ****
+ else
+ {
+ len = (int)STRLEN(fname);
+! (void)modify_fname(mods, &usedlen, &fname, &fbuf, &len);
+ }
+
+ rettv->v_type = VAR_STRING;
+--- 3801,3807 ----
+ else
+ {
+ len = (int)STRLEN(fname);
+! (void)modify_fname(mods, FALSE, &usedlen, &fname, &fbuf, &len);
+ }
+
+ rettv->v_type = VAR_STRING;
+*** ../vim-8.1.0210/src/if_cscope.c Sun Mar 4 16:07:23 2018
+--- src/if_cscope.c Wed Jul 25 21:10:45 2018
+***************
+*** 519,525 ****
+ #ifdef FEAT_MODIFY_FNAME
+ len = (int)STRLEN(fname);
+ fbuf = (char_u *)fname;
+! (void)modify_fname((char_u *)":p", &usedlen,
+ (char_u **)&fname, &fbuf, &len);
+ if (fname == NULL)
+ goto add_err;
+--- 519,525 ----
+ #ifdef FEAT_MODIFY_FNAME
+ len = (int)STRLEN(fname);
+ fbuf = (char_u *)fname;
+! (void)modify_fname((char_u *)":p", FALSE, &usedlen,
+ (char_u **)&fname, &fbuf, &len);
+ if (fname == NULL)
+ goto add_err;
+*** ../vim-8.1.0210/src/misc1.c Sat Jul 7 16:41:10 2018
+--- src/misc1.c Wed Jul 25 21:11:10 2018
+***************
+*** 4908,4914 ****
+ char_u *fbuf = NULL;
+
+ flen = (int)STRLEN(homedir_env);
+! (void)modify_fname((char_u *)":p", &usedlen,
+ &homedir_env, &fbuf, &flen);
+ flen = (int)STRLEN(homedir_env);
+ if (flen > 0 && vim_ispathsep(homedir_env[flen - 1]))
+--- 4908,4914 ----
+ char_u *fbuf = NULL;
+
+ flen = (int)STRLEN(homedir_env);
+! (void)modify_fname((char_u *)":p", FALSE, &usedlen,
+ &homedir_env, &fbuf, &flen);
+ flen = (int)STRLEN(homedir_env);
+ if (flen > 0 && vim_ispathsep(homedir_env[flen - 1]))
+*** ../vim-8.1.0210/src/version.c Wed Jul 25 19:49:41 2018
+--- src/version.c Wed Jul 25 21:18:08 2018
+***************
+*** 795,796 ****
+--- 795,798 ----
+ { /* Add new patch number below this line */
++ /**/
++ 211,
+ /**/
+
+--
+You were lucky to have a LAKE! There were a hundred and sixty of
+us living in a small shoebox in the middle of the road.
+
+ /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net \\\
+/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
+\\\ an exciting new programming language -- http://www.Zimbu.org ///
+ \\\ help me help AIDS victims -- http://ICCF-Holland.org ///