diff options
Diffstat (limited to 'libiberty/tmpnam.c')
-rw-r--r-- | libiberty/tmpnam.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/libiberty/tmpnam.c b/libiberty/tmpnam.c new file mode 100644 index 0000000..c061467 --- /dev/null +++ b/libiberty/tmpnam.c @@ -0,0 +1,39 @@ +#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; +} |