+
+const char *hexa_str(unsigned char *data, int size, int downside) {
+ static char*buff=NULL;
+ static int buffsize=0;
+ int i,pos=0;
+ int begin,increment;
+
+ if (buffsize<5*(size+1)) {
+ if (buff)
+ free(buff);
+ buffsize=5*(size+1);
+ buff=xbt_malloc(buffsize);
+ }
+
+
+ if (downside) {
+ begin=size-1;
+ increment=-1;
+ } else {
+ begin=0;
+ increment=1;
+ }
+
+ for (i=begin; 0<=i && i<size ; i+=increment) {
+ if (data[i]<32 || data[i]>126)
+ sprintf(buff+pos,".");
+ else
+ sprintf(buff+pos,"%c",data[i]);
+ while (buff[++pos]);
+ }
+ sprintf(buff+pos,"(");
+ while (buff[++pos]);
+ for (i=begin; 0<=i && i<size ; i+=increment) {
+ sprintf(buff+pos,"%02x",data[i]);
+ while (buff[++pos]);
+ }
+ sprintf(buff+pos,")");
+ while (buff[++pos]);
+ buff[pos]='\0';
+ return buff;
+}
+void hexa_print(const char*name, unsigned char *data, int size) {
+ printf("%s: %s\n", name,hexa_str(data,size,0));
+}
+