Revision: 55558
http://sourceforge.net/p/brlcad/code/55558
Author: carlmoore
Date: 2013-05-23 18:37:17 +0000 (Thu, 23 May 2013)
Log Message:
-----------
implement -h, -?
Modified Paths:
--------------
brlcad/trunk/src/sig/bw-d.c
Modified: brlcad/trunk/src/sig/bw-d.c
===================================================================
--- brlcad/trunk/src/sig/bw-d.c 2013-05-23 16:22:16 UTC (rev 55557)
+++ brlcad/trunk/src/sig/bw-d.c 2013-05-23 18:37:17 UTC (rev 55558)
@@ -40,6 +40,11 @@
unsigned char ibuf[512];
double obuf[512];
+void
+printusage(void)
+{
+ bu_exit(1, "Usage: bw-d [-n || scale] < unsigned_chars > doubles\n");
+}
int main(int argc, char **argv)
{
@@ -47,6 +52,9 @@
double scale;
size_t ret;
+ if ( BU_STR_EQUAL( argv[1], "-h" ) || BU_STR_EQUAL( argv[1], "-?" ) )
+ printusage();
+
scale = 1.0;
if ( argc > 1 ) {
@@ -57,9 +65,8 @@
argc--;
}
- if ( argc > 1 || ZERO(scale) || isatty(fileno(stdin)) ) {
- bu_exit(1, "Usage: bw-d [-n || scale] < unsigned_chars > doubles\n");
- }
+ if ( argc > 1 || ZERO(scale) || isatty(fileno(stdin)) )
+ printusage();
while ( (num = fread( &ibuf[0], sizeof( ibuf[0] ), 512, stdin)) > 0 ) {
if ( EQUAL(scale, 1.0) ) {
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