Avoid couple of static buffers in psm script functions

diff --git a/lib/psm.c b/lib/psm.c
index cb53957..3754e71 100644 (file)
--- a/lib/psm.c
+++ b/lib/psm.c
@@ -13,6 +13,7 @@
 #include <rpm/rpmfileutil.h>   /* rpmMkTempFile() */
 #include <rpm/rpmdb.h>         /* XXX for db_chrootDone */
 #include <rpm/rpmlog.h>
+#include <rpm/rpmstring.h>
 
 #include "rpmio/rpmlua.h"
 #include "lib/cpio.h"
@@ -546,13 +547,14 @@ static rpmRC runLuaScript(rpmpsm psm, Header h, rpmTag stag,
     rpmluaPop(lua);
 
     {
-       char buf[BUFSIZ];
-       xx = snprintf(buf, BUFSIZ, "%s(%s-%s-%s)", sln, n, v, r);
+       char *buf = NULL;
+       rasprintf(&buf, "%s(%s-%s-%s)", sln, n, v, r);
        if (rpmluaRunScript(lua, script, buf) == -1) {
            void * ptr;
            ptr = rpmtsNotify(ts, psm->te, RPMCALLBACK_SCRIPT_ERROR, stag, 1);
            rc = RPMRC_FAIL;
        }
+       free(buf);
     }
 
     rpmluaDelVar(lua, "arg");
@@ -799,13 +801,15 @@ static rpmRC runScript(rpmpsm psm, Header h, rpmTag stag,
 
        if (prefixes != NULL)
        for (i = 0; i < numPrefixes; i++) {
-           sprintf(prefixBuf, "RPM_INSTALL_PREFIX%d=%s", i, prefixes[i]);
+           rasprintf(&prefixBuf, "RPM_INSTALL_PREFIX%d=%s", i, prefixes[i]);
            xx = doputenv(prefixBuf);
+           prefixBuf = _free(prefixBuf);
 
            /* backwards compatibility */
            if (i == 0) {
-               sprintf(prefixBuf, "RPM_INSTALL_PREFIX=%s", prefixes[i]);
+               rasprintf(&prefixBuf, "RPM_INSTALL_PREFIX=%s", prefixes[i]);
                xx = doputenv(prefixBuf);
+               prefixBuf = _free(prefixBuf);
            }
        }