swcsa/utils/fileInfo.c

   1
   2 #include "fileInfo.h"
   3
   4 unsigned long fileSize (char *filename){
   5         FILE *fpText;
   6         unsigned long fsize;
   7         fpText = fopen(filename,"rb");
   8         fsize=0;
   9         if (fpText) {
  10                 fseek(fpText,0,2);
  11                 fsize= ftell(fpText);
  12                 fclose(fpText);
  13                 ////fprintf(stderr,"fileSize = %ld",fsize);
  14         }
  15         return fsize;
  16 }
  17
  18 /*copies from infile to outfile */
  19 void copyFile (char *infile, char *outfile){
  20         FILE *in, *out;
  21         unsigned long fsize;
  22
  23         if ( (in = fopen(infile,"rb")) <0) {
  24                 printf("Cannot open file %s\n", infile); exit(0);
  25         }
  26
  27         unlink(outfile);
  28         if( (out = fopen(outfile, "w")) < 0) {
  29                 printf("Cannot open file %s\n", outfile);
  30                 exit(0);
  31         }
  32
  33         fsize=fileSize(infile);
  34         if (fsize) {
  35                 char *buff = (char *) malloc(sizeof(char)*fsize);
  36                 if (fread(buff,sizeof(char),fsize,in)) {
  37                         fwrite(buff,sizeof(char),fsize,out);
  38                 }
  39                 free(buff);
  40         }
  41         fclose(in);
  42         fclose(out);
  43 }
  44