| 0,0 → 1,71 |
|---|
| /* Copyright (C) 1995 DJ Delorie, see COPYING.DJ for details */ |
| #include <libc/stubs.h> |
| #include <string.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <unistd.h> |
| #include <errno.h> |
| #include <libc/bss.h> |
| |
| static char *tmp_dir; |
| static int tmp_len; |
| static int tmp_bss_count = -1; |
| |
| static void |
| try(const char *var) |
| { |
| static char buf[L_tmpnam]; |
| |
| char *t = getenv(var); |
| if (t == 0) |
| return; |
| |
| tmp_len = strlen(t); |
| strcpy(buf, t); |
| if (buf[tmp_len - 1] != '/' && buf[tmp_len - 1] != '\\') |
| buf[tmp_len++] = '/', buf[tmp_len] = 0; |
| |
| if (access(buf, D_OK)) |
| return; |
| |
| tmp_dir = buf; |
| } |
| |
| char * |
| tmpnam(char *s) |
| { |
| static char static_buf[L_tmpnam]; |
| static char tmpcount[] = "dj000000"; |
| int i; |
| |
| if (tmp_bss_count != __bss_count) |
| { |
| tmp_bss_count = __bss_count; |
| |
| if (tmp_dir == 0) try("TMPDIR"); |
| if (tmp_dir == 0) try("TEMP"); |
| if (tmp_dir == 0) try("TMP"); |
| if (tmp_dir == 0) |
| { |
| static char def[] = "c:/"; |
| tmp_dir = def; |
| tmp_len = 3; |
| } |
| } |
| |
| if (!s) |
| s = static_buf; |
| strcpy(s, tmp_dir); |
| |
| do { |
| /* increment the "count" starting at the first digit (backwards order) */ |
| for (i=2; tmpcount[i] == '9' && i < 8; tmpcount[i] = '0', i++); |
| if (i < 8) |
| tmpcount[i]++; |
| |
| strcpy(s+tmp_len, tmpcount); |
| |
| } while (access(s, F_OK)==0); /* until file doesn't exist */ |
| |
| return s; |
| } |