#include "statichuff.h"
-#include <stdlib.h>
void putbit(char bit, char restart, char flush, FILE *fp)
{
node1->rchild = node2->rchild;
}
-int shuff_compnode(SHUFFNODE *node1, SHUFFNODE *node2)
+int shuff_compnode(const void *node1, const void *node2)
{
- if (node1->freq < node2->freq) return 1;
- if (node1->freq > node2->freq) return -1;
+ if (((SHUFFNODE*)node1)->freq < ((SHUFFNODE*)node2)->freq) return 1;
+ if (((SHUFFNODE*)node1)->freq > ((SHUFFNODE*)node2)->freq) return -1;
return 0;
}
SHUFFNODE *lastsymbol = list+(listcount-1);
SHUFFNODE *node1,*node2;
- /* Ordenamos inicialmente la inputlist para tomar las dos freqs min */
while (lastsymbol > list) {
/* Ordeno la lista por frecuencia descendente */
qsort(list,listcount,sizeof(SHUFFNODE),shuff_compnode);
/* Encodeo byte per byte */
shuff_encode_symbols(freqtable,codetable,inputfile,outputfile);
+ /* Free up memory baby yeah */
+ free(freqtable);
+ free(inputlist);
+ free(codetable);
+
return 1;
}
fclose(fpsource);
fclose(fpdest);
+ /* Free up memory baby yeah */
+ free(ftable);
+ free(inputlist);
+
return 1;
}
-int main(int argc, char* argv[])
-{
- int cflag = 0;
- int dflag = 0;
- int tflag = 0;
- long int volumesize = 0;
- int ch;
-
- while ((ch = getopt(argc, argv, "cdt:")) != -1) {
-
- switch (ch) {
- case 'c': cflag = 1;
- break;
-
- case 'd': dflag = 1;
- break;
-
- case 't': tflag = 1;
- volumesize = atoi(optarg);
- break;
-
- default: fprintf(stderr, "Usage: %s [-cdt] sourcefile targetfile\n", argv[0]);
- return(2);
- }
- }
-
- if ( (argc == 1) || (cflag & dflag) || !(cflag | dflag) || ((argc - optind) < 2) ) {
- fprintf(stderr, "Usage: %s [-cdt] sourcefile targetfile\n", argv[0]);
- if ((tflag == 1) && (volumesize <= 0)) fprintf(stderr,"Error: The volume size must be a non-zero value\n");
- return (2);
- }
-
- if (cflag == 1) {
- /* Comprimo */
- return shuff_encode_file(argv[optind],argv[optind+1]);
- }
-
- if (dflag == 1) {
- /* Descomprimo */
- return shuff_decode_file(argv[optind],argv[optind+1]);
- }
-
- return 0;
-}