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/*
* fileutil.cpp - file utility functions
* Created : 11 Jul 1996
* Author: Theppitak Karoonboonyanan
*/
#include "misc/fileutil.h"
#define FILEBUFFSIZE 1024
static char buf[FILEBUFFSIZE];
int copyfile(const char* from, const char* to)
{
FILE *fFrom = fopen(from, "rb");
FILE *fTo = fopen(to, "wb+");
size_t nRead;
if (fFrom == NULL) { return -1; }
if (fTo == NULL) { return -1; }
while ((nRead = fread(buf, 1, sizeof buf, fFrom)) > 0) {
if (fwrite(buf, 1, nRead, fTo) != nRead) { return -1; }
}
fclose(fTo);
fclose(fFrom);
return 0;
}
int movefile(const char* from, const char* to)
{
/* try renaming first, if fail, make a copy */
if (rename(from, to) == 0) {
return 0;
} else {
if (copyfile(from, to) == 0) {
remove(from);
return 0;
}
}
return -1;
}
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