fix off-by-1 alloca that prevented relocating /.

CVS patchset: 2504
CVS date: 1998/10/27 19:54:08

CHANGES

@@ -27,6 +27,9 @@
 	- add {init,add,expand}Macro args everywhere (new macro.c compatibility)
 	- add new fully recursive macro.c
 
+2.5.5 -> 2.5.6:
+	- fix off-by-1 alloca that prevented relocating /.
+
 2.5.4 -> 2.5.5:
 	- permit rpm to be built in a sub-directory (--srcdir=DIR).
 	- return CPIO_BAD_HEADER instead of exiting. (Scott M. Stone)

lib/install.c

@@ -270,7 +270,7 @@ static int assembleFileList(Header h, struct fileMemory * mem,
 	    } while (rc > 0 && nextReloc);
 
 	    if (!rc) {
-		newName = alloca(newLen + strlen(mem->names[i]));
+		newName = alloca(newLen + strlen(mem->names[i]) + 1);
 		strcpy(newName, nextReloc->newPath);
 		strcat(newName, mem->names[i] + len);
 		rpmMessage(RPMMESS_DEBUG, _("relocating %s to %s\n"),