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comparison src/eval.c @ 13923:e4d5726e1678 v8.0.1832

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patch 8.0.1832: cannot use :unlet for an environment variable commit https://github.com/vim/vim/commit/137374fd6538cf9dee0cb22907728d8fdecb5832 Author: Bram Moolenaar <Bram@vim.org> Date: Sun May 13 15:59:50 2018 +0200 patch 8.0.1832: cannot use :unlet for an environment variable Problem: Cannot use :unlet for an environment variable. Solution: Make it work. Use unsetenv() if available. (Ken Takata, closes #2855)
author Christian Brabandt <cb@256bit.org>
date Sun, 13 May 2018 16:00:07 +0200
parents eadecbe4e390
children c1fcfafa8d1a
comparison
equal deleted inserted replaced
13922:1a30d378b70b 13923:e4d5726e1678
2756 int error = FALSE; 2756 int error = FALSE;
2757 lval_T lv; 2757 lval_T lv;
2758 2758
2759 do 2759 do
2760 { 2760 {
2761 if (*arg == '$')
2762 {
2763 char_u *name = ++arg;
2764
2765 if (get_env_len(&arg) == 0)
2766 {
2767 EMSG2(_(e_invarg2), name - 1);
2768 return;
2769 }
2770 vim_unsetenv(name);
2771 arg = skipwhite(arg);
2772 continue;
2773 }
2774
2761 /* Parse the name and find the end. */ 2775 /* Parse the name and find the end. */
2762 name_end = get_lval(arg, NULL, &lv, TRUE, eap->skip || error, 0, 2776 name_end = get_lval(arg, NULL, &lv, TRUE, eap->skip || error, 0,
2763 FNE_CHECK_START); 2777 FNE_CHECK_START);
2764 if (lv.ll_name == NULL) 2778 if (lv.ll_name == NULL)
2765 error = TRUE; /* error but continue parsing */ 2779 error = TRUE; /* error but continue parsing */