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	tadded help message - sphere - GPU-based 3D discrete element method algorithm w…
	git clone git://src.adamsgaard.dk/sphere
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	---
	commit ab5356655fac61353b4b0183aa4596dcb17dbb5c
	parent 30fc12a766762eb209feb56bd9ca836c5532b21c
	Author: Anders Damsgaard <[email protected]>
	Date: Thu, 8 May 2014 10:05:09 +0200

	added help message

	Diffstat:
	M src/sphere_status.c \| 23 ++++++++++++++++++-----

	1 file changed, 18 insertions(+), 5 deletions(-)
	---
	diff --git a/src/sphere_status.c b/src/sphere_status.c
	t@@ -1,5 +1,8 @@
	#include <stdio.h>
	#include <unistd.h>
	+#include <string.h>
	+
	+int print_usage(char* argv0, int return_status);

	int main(int argc, char *argv[])
	{
	t@@ -13,11 +16,11 @@ int main(int argc, char *argv[])
	}

	// Simulation name/ID read from first input argument
	- if (argc != 2) {
	- fprintf(stderr, "You need to specify the simulation ID as an input "
	- "parameter, e.g.\n%s particle_test\n", argv[0]);
	- return 1;
	- }
	+ if (argc != 2)
	+ return print_usage(argv[0], 1);
	+
	+ if (strcmp(argv[1], "-h") == 0 \|\| strcmp(argv[1], "--help") == 0)
	+ return print_usage(argv[0], 0);

	char *sim_name = argv[1];

	t@@ -52,4 +55,14 @@ int main(int argc, char *argv[])
	return 1;
	}
	}
	+
	+int print_usage(char* argv0, int return_status)
	+{
	+ fprintf(stderr, "You need to specify the simulation ID as an input "
	+ "parameter, e.g.\n%s particle_test\n", argv0);
	+ return return_status;
	+}
	+
	+
	+
	// vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4