Mercurial > vim

comparison src/ex_docmd.c @ 24697:a6e43da449af v8.2.2887

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
patch 8.2.2887: crash when passing null string to fullcommand() Commit: https://github.com/vim/vim/commit/4c8e8c6e19b75d632b042aa0ba0a2ab769b2162e Author: Bram Moolenaar <Bram@vim.org> Date: Wed May 26 19:49:09 2021 +0200 patch 8.2.2887: crash when passing null string to fullcommand() Problem: Crash when passing null string to fullcommand(). Solution: Check for NULL pointer. (closes https://github.com/vim/vim/issues/8256)
author Bram Moolenaar <Bram@vim.org>
date Wed, 26 May 2021 20:00:07 +0200
parents 661d15592d3c
children b19c8150ee9d
comparison
equal deleted inserted replaced
24696:dc0703c51aef 24697:a6e43da449af
3789 { 3789 {
3790 exarg_T ea; 3790 exarg_T ea;
3791 char_u *name = argvars[0].vval.v_string; 3791 char_u *name = argvars[0].vval.v_string;
3792 char_u *p; 3792 char_u *p;
3793 3793
3794 while (name[0] != NUL && name[0] == ':') 3794 rettv->v_type = VAR_STRING;
3795 rettv->vval.v_string = NULL;
3796 if (name == NULL)
3797 return;
3798
3799 while (*name != NUL && *name == ':')
3795 name++; 3800 name++;
3796 name = skip_range(name, TRUE, NULL); 3801 name = skip_range(name, TRUE, NULL);
3797
3798 rettv->v_type = VAR_STRING;
3799 3802
3800 ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name; 3803 ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name;
3801 ea.cmdidx = (cmdidx_T)0; 3804 ea.cmdidx = (cmdidx_T)0;
3802 p = find_ex_command(&ea, NULL, NULL, NULL); 3805 p = find_ex_command(&ea, NULL, NULL, NULL);
3803 if (p == NULL || ea.cmdidx == CMD_SIZE) 3806 if (p == NULL || ea.cmdidx == CMD_SIZE)