Fix:Osm2Navit:Don't allocate huge buffers on stack

git-svn-id: https://navit.svn.sourceforge.net/svnroot/navit/trunk/navit@2210 ffa7fe5e-494d-0410-b361-a75ebd5db220

diff --git a/navit/osm2navit.c b/navit/osm2navit.c
index edc93c0..c4c60b4 100644 (file)
--- a/navit/osm2navit.c
+++ b/navit/osm2navit.c
@@ -2782,7 +2782,13 @@ write_zipmember(struct zip_info *zip_info, char *name, int filelen, char *data,
        char filename[filelen+1];
        int error,crc,len,comp_size=data_size;
        uLongf destlen=data_size+data_size/500+12;
-       char compbuffer[destlen];
+       char *compbuffer;
+
+       compbuffer = malloc(destlen);
+       if (!compbuffer) {
+         fprintf(stderr, "No more memory.\n");
+         exit (1);
+       }
 
        crc=crc32(0, NULL, 0);
        crc=crc32(crc, (unsigned char *)data, data_size);
@@ -2820,6 +2826,8 @@ write_zipmember(struct zip_info *zip_info, char *name, int filelen, char *data,
        fwrite(&cd, sizeof(cd), 1, zip_info->dir);
        fwrite(filename, filelen, 1, zip_info->dir);
        zip_info->dir_size+=sizeof(cd)+filelen;
+       
+       free(compbuffer);
 }
 
 static int