Annotation of mandoc/test-PATH_MAX.c, Revision 1.1
1.1 ! schwarze 1: /*
! 2: * POSIX allows PATH_MAX to not be defined, see
! 3: * http://pubs.opengroup.org/onlinepubs/9699919799/functions/sysconf.html;
! 4: * the GNU Hurd is an example of a system not having it.
! 5: *
! 6: * Arguably, it would be better to test sysconf(_SC_PATH_MAX),
! 7: * but since the individual *.c files include "config.h" before
! 8: * <limits.h>, overriding an excessive value of PATH_MAX from
! 9: * "config.h" is impossible anyway, so for now, the simplest
! 10: * fix is to provide a value only on systems not having any.
! 11: * So far, we encountered no system defining PATH_MAX to an
! 12: * impractically large value, even though POSIX explicitly
! 13: * allows that.
! 14: *
! 15: * The real fix would be to replace all static buffers of size
! 16: * PATH_MAX by dynamically allocated buffers. But that is
! 17: * somewhat intrusive because it touches several files and
! 18: * because it requires changing struct mlink in mandocdb.c.
! 19: * So i'm postponing that for now.
! 20: */
! 21:
! 22: #include <limits.h>
! 23: #include <stdio.h>
! 24:
! 25: int
! 26: main(void)
! 27: {
! 28: printf("PATH_MAX is defined to be %ld\n", (long)PATH_MAX);
! 29: return 0;
! 30: }
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