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 67bf4d1d79c9a3a3bbd5b15237f29ff8cf4bc8cf..878fc29bc1ae1e61deb6ba6576b40ba0d20292ed 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;