[deliverable/binutils-gdb.git] / libiberty / tmpnam.c

#include <stdio.h>

#ifndef L_tmpnam
#define L_tmpname 100
#endif
#ifndef P_tmpdir
#define P_tmpdir "/usr/tmp"
#endif

static char tmpnam_buffer[L_tmpnam];
static int tmpnam_counter;

extern int getpid ();

char *
tmpnam (s)
     char *s;
{
  int pid = getpid ();

  if (s == NULL)
    s = tmpnam_buffer;

  /*  Generate the filename and make sure that there isn't one called
      it already.  */

  while (1)
    {
      FILE *f;
      sprintf (s, "%s/%s%x.%x", P_tmpdir, "t", pid, tmpnam_counter);
      f = fopen (s, "r");
      if (f == NULL)
	break;
      tmpnam_counter++;
      fclose (f);
    }

  return s;
}
Commit	Line	Data
252b5132 RH	1	#include <stdio.h>
	2
	3	#ifndef L_tmpnam
	4	#define L_tmpname 100
	5	#endif
	6	#ifndef P_tmpdir
	7	#define P_tmpdir "/usr/tmp"
	8	#endif
	9
	10	static char tmpnam_buffer[L_tmpnam];
	11	static int tmpnam_counter;
	12
	13	extern int getpid ();
	14
	15	char *
	16	tmpnam (s)
	17	char *s;
	18	{
	19	int pid = getpid ();
	20
	21	if (s == NULL)
	22	s = tmpnam_buffer;
	23
	24	/* Generate the filename and make sure that there isn't one called
	25	it already. */
	26
	27	while (1)
	28	{
	29	FILE *f;
	30	sprintf (s, "%s/%s%x.%x", P_tmpdir, "t", pid, tmpnam_counter);
	31	f = fopen (s, "r");
	32	if (f == NULL)
	33	break;
	34	tmpnam_counter++;
	35	fclose (f);
	36	}
	37
	38	return s;
	39	}