Secure temporary file: Difference between revisions

<lang c>#include <stdio.h>

int main() {

FILE *fh = tmpfile(); /* file is automatically deleted when program exits */

/* do stuff with stream "fh" */

fclose(fh);

/* The C standard library also has a tmpnam() function to create a file

for you to open later. But you should not use it because someone else might

be able to open the file from the time it is created by this function to the

time you open it. */

return 0;

int main() {

char filename[] = "/tmp/prefixXXXXXX";

int fd = mkstemp(filename);

puts(filename);

/* do stuff with file descriptor "fd" */

close(fd);

return 0;