ReC98/zuncom/common.h

53 lines
1022 B
C

#ifndef COMMON_H_
#define COMMON_H_
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <dir.h>
#include <dos.h>
long filesize(const char *filename) {
struct ffblk ff;
if(!findfirst(filename,&ff,FA_NORMAL)) {
return ff.ff_fsize;
}
else {
printf("Error: couldn't find '%s'\n",filename);
return -1;
}
}
int append(const char *filename, FILE *fo) {
FILE *fi;
static char cluster[512];
int bytesread, byteswrite;
fi = fopen(filename, "rb");
if(!fi) {
printf("Error: couldn't open file '%s': %s\n", filename, strerror(errno));
return 1;
}
while(!feof(fi)) {
bytesread = fread(cluster, 1, sizeof(cluster), fi);
if(bytesread) {
byteswrite = fwrite(cluster, 1, bytesread, fo);
if(bytesread != byteswrite) {
printf("Error: write error\n");
fclose(fi);
return 1;
}
}
}
fclose(fi);
fflush(fo);
return 0;
}
void fputw(int word, FILE *fo) {
fwrite(&word, sizeof(word), 1, fo);
}
void fputd(long dword, FILE *fo) {
fwrite(&dword, sizeof(dword), 1, fo);
}
#endif