commit 29ab6ce9f36660cffaad3c8789e71162e5db5d2f
author Bram Moolenaar <Bram@vim.org> Sat Feb 26 15:52:08 2022 +0000
committer Bram Moolenaar <Bram@vim.org> Sat Feb 26 15:52:08 2022 +0000
tree c87861f2c117ef33e844accd54eb9a42b79ce560
parent c51cf0329809c7ae946c59d6f56699227efc9d1b

patch 8.2.4477: crash when using fuzzy completion

Problem:    Crash when using fuzzy completion.
Solution:   Temporary fix: put back regexp. (closes #9851)

src/cmdexpand.c

diff --git a/src/cmdexpand.c b/src/cmdexpand.c
index 138ff9e..dd8bc06 100644
--- a/src/cmdexpand.c
+++ b/src/cmdexpand.c
@@ -2370,7 +2370,7 @@
     static int
 ExpandOther(
 	char_u		*pat,
-	expand_T	*xp, 
+	expand_T	*xp,
 	regmatch_T	*rmp,
 	char_u		***matches,
 	int		*numMatches)
@@ -2496,7 +2496,6 @@
     int		ret;
     int		flags;
     char_u	*tofree = NULL;
-    int		fuzzy = cmdline_fuzzy_complete(pat);
 
     flags = map_wildopts_to_ewflags(options);
 
@@ -2581,15 +2580,12 @@
 	pat = tofree;
     }
 
-    if (!fuzzy)
-    {
-	regmatch.regprog = vim_regcomp(pat, magic_isset() ? RE_MAGIC : 0);
-	if (regmatch.regprog == NULL)
-	    return FAIL;
+    regmatch.regprog = vim_regcomp(pat, magic_isset() ? RE_MAGIC : 0);
+    if (regmatch.regprog == NULL)
+	return FAIL;
 
-	// set ignore-case according to p_ic, p_scs and pat
-	regmatch.rm_ic = ignorecase(pat);
-    }
+    // set ignore-case according to p_ic, p_scs and pat
+    regmatch.rm_ic = ignorecase(pat);
 
     if (xp->xp_context == EXPAND_SETTINGS
 	    || xp->xp_context == EXPAND_BOOL_SETTINGS)
@@ -2603,8 +2599,7 @@
     else
 	ret = ExpandOther(pat, xp, &regmatch, matches, numMatches);
 
-    if (!fuzzy)
-	vim_regfree(regmatch.regprog);
+    vim_regfree(regmatch.regprog);
     vim_free(tofree);
 
     return ret;