+ /* gzip compress */
+ if (use_gzip & 0x1) {
+ const char *errstr = NULL;
+ unsigned char *compressed;
+ struct stat st;
+ FILE *gz;
+ char *gzfilename = xmalloc(strlen (filename) + 20);
+ char *gzcmd = xmalloc(strlen (filename) + 20);
+
+ sprintf (gzfilename, "%s.gz", filename);
+ sprintf (gzcmd, "gzip > %s", gzfilename);
+ gz = popen (gzcmd, "w");
+ if (!gz) {
+ errstr = "\nerror: popen() failed";
+ goto done;
+ }
+ if (fwrite (image->data, image->size, 1, gz) != 1) {
+ errstr = "\nerror: writing data to gzip failed";
+ goto done;
+ }
+ if (pclose (gz)) {
+ errstr = "\nerror: gzip process failed";
+ goto done;
+ }
+
+ gz = fopen (gzfilename, "r");
+ if (!gz) {
+ errstr = "\nerror: open() on gzip data failed";
+ goto done;
+ }
+ if (stat (gzfilename, &st)) {
+ errstr = "\nerror: stat() on gzip file failed";
+ goto done;
+ }
+ compressed = xmalloc (st.st_size);
+ if (fread (compressed, st.st_size, 1, gz) != 1) {
+ errstr = "\nerror: reading gzip data failed";
+ goto done;
+ }
+ fclose (gz);
+
+ unlink (gzfilename);
+
+ dataptr = compressed;
+ count = st.st_size;
+ fprintf (file, "#define EASYLOGO_ENABLE_GZIP %i\n\n", count);
+ if (use_gzip & 0x2)
+ fprintf (file, "static unsigned char EASYLOGO_DECOMP_BUFFER[%i];\n\n", image->size);
+
+ done:
+ free (gzfilename);
+ free (gzcmd);
+
+ if (errstr) {
+ perror (errstr);
+ return -1;
+ }
+ }
+