From: Alvaro Herrera <alvherre@alvh.no-ip.org>
Date: Thu, 19 Apr 2018 13:45:15 +0000 (-0300)
Subject: Enlarge find_other_exec's meager fgets buffer
X-Git-Tag: REL_10_4~29
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e2f3b656038332cf2fbf3536452478d22dc76ee9;p=thirdparty%2Fpostgresql.git

Enlarge find_other_exec's meager fgets buffer

The buffer was 100 bytes long, which is barely sufficient when the
version string gets longer (such as by configure --with-extra-version).
Set it to MAXPGPATH.

Author: Nikhil Sontakke
Discussion: https://postgr.es/m/CAMGcDxfLfpYU_Jru++L6ARPCOyxr0W+2O3Q54TDi5XdYeU36ow@mail.gmail.com
---

diff --git a/src/common/exec.c b/src/common/exec.c
index 67bf4d1d79c..878fc29bc1a 100644
--- a/src/common/exec.c
+++ b/src/common/exec.c
@@ -308,7 +308,7 @@ find_other_exec(const char *argv0, const char *target,
 				const char *versionstr, char *retpath)
 {
 	char		cmd[MAXPGPATH];
-	char		line[100];
+	char		line[MAXPGPATH];
 
 	if (find_my_exec(argv0, retpath) < 0)
 		return -1;