diff options
| -rw-r--r-- | xargs/xargs.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/xargs/xargs.c b/xargs/xargs.c index 82bfb5bd..c6c103cd 100644 --- a/xargs/xargs.c +++ b/xargs/xargs.c @@ -68,6 +68,10 @@ #include <limits.h> #endif +#ifndef LONG_MAX +#define LONG_MAX (~(1 << (sizeof (long) * 8 - 1))) +#endif + #ifdef HAVE_UNISTD_H #include <unistd.h> #endif @@ -253,7 +257,10 @@ main (argc, argv) program_name = argv[0]; - orig_arg_max = ARG_MAX - 2048; /* POSIX.2 requires subtracting 2048. */ + orig_arg_max = ARG_MAX; + if (orig_arg_max == -1) + orig_arg_max = LONG_MAX; + orig_arg_max -= 2048; /* POSIX.2 requires subtracting 2048. */ arg_max = orig_arg_max; /* Sanity check for systems with huge ARG_MAX defines (e.g., Suns which |