| 1 | #serial 1 |
| 2 | |
| 3 | # On some systems (e.g., HPUX-10.20, SunOS4.1.4, solaris2.5.1), mkstemp has the |
| 4 | # silly limit that it can create no more than 26 files from a given template. |
| 5 | # Other systems lack mkstemp altogether. On either type of system, arrange |
| 6 | # to use the replacement function. |
| 7 | AC_DEFUN([UTILS_FUNC_MKSTEMP], |
| 8 | [dnl |
| 9 | AC_REPLACE_FUNCS(mkstemp) |
| 10 | if test $ac_cv_func_mkstemp = no; then |
| 11 | utils_cv_func_mkstemp_limitations=yes |
| 12 | else |
| 13 | AC_CACHE_CHECK([for mkstemp limitations], |
| 14 | utils_cv_func_mkstemp_limitations, |
| 15 | [ |
| 16 | AC_TRY_RUN([ |
| 17 | # include <stdlib.h> |
| 18 | int main () |
| 19 | { |
| 20 | int i; |
| 21 | for (i = 0; i < 30; i++) |
| 22 | { |
| 23 | char template[] = "conftestXXXXXX"; |
| 24 | int fd = mkstemp (template); |
| 25 | if (fd == -1) |
| 26 | exit (1); |
| 27 | close (fd); |
| 28 | } |
| 29 | exit (0); |
| 30 | } |
| 31 | ], |
| 32 | utils_cv_func_mkstemp_limitations=no, |
| 33 | utils_cv_func_mkstemp_limitations=yes, |
| 34 | utils_cv_func_mkstemp_limitations=yes |
| 35 | ) |
| 36 | ] |
| 37 | ) |
| 38 | fi |
| 39 | |
| 40 | if test $utils_cv_func_mkstemp_limitations = yes; then |
| 41 | AC_LIBOBJ(mkstemp) |
| 42 | AC_LIBOBJ(tempname) |
| 43 | AC_DEFINE(mkstemp, rpl_mkstemp, |
| 44 | [Define to rpl_mkstemp if the replacement function should be used.]) |
| 45 | fi |
| 46 | ]) |