fileopentest.c

gistfile1

#include <stdio.h>
#include <stdlib.h>

#define NoOfFILES 16384

int main()
{
        char filename[10];
        FILE *fds[NoOfFILES];
        int i;

        for (i = 0; i < NoOfFILES; ++i)
        {
                sprintf (filename, "/var/tmp/x/%d.log", i);
                fds[i] = fopen(filename, "w");

                if (fds[i] == NULL)
                {
                        printf("\nNumber of open files = %d. " \
			   "fopen() failed with error:  ", i);
                        perror("");
                        exit(1);
                }
                else
                {
                        fprintf (fds[i], "some string");
                }
        }
        return (0);
}