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 d736b02280d9cd5f121d9473962a5510e13ba062..4206e22d6d28d6ed76959235b8110999a12db177 100644 (file)
--- 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;