D2616.id5543.diff
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D2616.id5543.diff
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	Index: usr.bin/xargs/xargs.1
	===================================================================
	--- usr.bin/xargs/xargs.1
	+++ usr.bin/xargs/xargs.1
	@@ -206,7 +206,11 @@
	.Ar maxprocs
	invocations of
	.Ar utility
	-at once.
	+at once. If
	+.Ar maxprocs
	+is negative or 0,
	+.Nm
	+will run as many processes as possible at a time.
	.It Fl p
	Echo each command to be executed and ask the user whether it should be
	executed.
	Index: usr.bin/xargs/xargs.c
	===================================================================
	--- usr.bin/xargs/xargs.c
	+++ usr.bin/xargs/xargs.c
	@@ -159,8 +159,11 @@
	oflag = 1;
	break;
	case 'P':
	- if ((maxprocs = atoi(optarg)) <= 0)
	- errx(1, "max. processes must be >0");
	+ maxprocs = strtol(optarg, &endptr, 10);
	+ if (*endptr != '\0')
	+ errx(1, "max. processes must be a number");
	+ if (maxprocs < 1)
	+ maxprocs = nargs;
	break;
	case 'p':
	pflag = 1;