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@quag
Created July 9, 2011 23:19
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Find the size of a directory
#include <errno.h>
#include <string.h>
#include <fts.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>
int main(int argc, char** argv)
{
char * paths[] = {argv[1], NULL};
FTS *fts = fts_open(&paths[0], FTS_NOCHDIR, NULL);
if (fts == NULL)
{
fprintf(stderr, "fts_open error: %s", strerror(errno));
return EXIT_FAILURE;
}
long size = 0;
for (;;)
{
FTSENT *ftsent = fts_read(fts);
if (ftsent == NULL)
{
if (errno)
{
fprintf(stderr, "fts_read error: %s", strerror(errno));
return EXIT_FAILURE;
}
break;
}
if (ftsent->fts_info & FTS_F)
{
size += ftsent->fts_statp->st_size;
}
}
if (fts_close(fts))
{
fprintf(stderr, "fts_close error: %s", strerror(errno));
return EXIT_FAILURE;
}
printf("%ld\n", size);
return EXIT_SUCCESS;
}
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