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[linux-minidisc] Building himdformat against libscg on MacOSX

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Hi,

after several nervous breakdowns, I finally managed to build
himdformat on MacOS against libscg as included in cdrtools.

Eventually, it only took a few hacks to get it compile. I didn't test
the functionality yet (due to lack of hardware right now). So, here's
what I did:

1) Install cdrtools from Macports:

   port install cdrtools

2) Apply the supplied patch "0001-cdrtools-darwin-xconfig.patch" to
   /opt/local/include/schily/xconfig.h.

3) Create a symbolic link to CoreFoundation dynamic linker library in
   the current directory (see [1]):

   ln -s /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation libcorefoundation.dylib

4) Compile himdformat.c with:

   gcc -D__DARWIN_X86_CC32 -I/opt/local/include -L/opt/local/lib -L. -lcorefoundation -lIOKit -lschily -lscg -o himdformat_scg himdformat_scg.c
   
5) himdformat runs on MacOS:

   minimac2:~ zedv$ ./himdformat_scg 
   Please specify the path to the scsi device
   minimac2:~ zedv$

I'm attaching the libscg version of himdformat as well as the
necessary patch.


Adrian

[1] http://sites.google.com/site/pengjungwu/install-ns2-31-on-osx

--- /opt/local/include/schily/xconfig.h~	2010-05-06 14:05:09.000000000 +0200
+++ /opt/local/include/schily/xconfig.h	2010-05-07 21:07:49.000000000 +0200
@@ -129,6 +129,11 @@
 #define	__JS_ARCH_CONF_INCL
 #endif
 
+#ifdef  __DARWIN_X86_GCC32
+#include <schily/i386-darwin-cc/xconfig.h>
+#define __JS_ARCH_CONF_INCL
+#endif
+
 #ifndef	__JS_ARCH_CONF_INCL
 #error unconfigured architecture
 #endif

/*
 * himdformat command using libscg
 * use devicename on linux (/dev/sgX) or driveletter on windows (without ":")
 */

#include <stdio.h>
#include <string.h>

#include <schily/schily.h>
#include <scg/scgcmd.h>
#include <scg/scsitransp.h>

#define SONY_SPECIFIC_COMMAND 0xC2
#define HIMD_FORMAT 3

#define MAX_DEVICE_LEN 256
#define SCSI_TIMEOUT 20

int main(int argc, char ** argv)
{
	SCSI * scgp = NULL;
	char command[12];
	int err = 0;
	int ret;
	char dev[MAX_DEVICE_LEN];
	char errstr[80];
	char cmdname[] = "himd_format";
	struct scg_cmd * scmd;

	if(argc < 2)
	{
	    fputs("Please specify the path to the scsi device\n",stderr);
	    return -1;
	}

	memset(dev, 0, MAX_DEVICE_LEN);
	memcpy(dev, argv[1], sizeof(argv[1]));

	// open scsi driver
	scgp = scg_open(dev, errstr, sizeof(errstr), 0, NULL);
	if(!scgp)
	{
		fputs("Cannot open scsi driver", stderr);
		return -2;
	}

	if(scgp->addr.scsibus == -2 && scgp->addr.target == -2) // scsi device not found, search by devicename
	{                                                         // this is nessessary on windows when driveletter is used
		ret = scg__open(scgp, dev);
		if(!ret)
		{
			fprintf(stderr, "Cannot open SCSI device for %d\n", dev);
			err = -3;
			goto clean;
		}
	}

	scg_settimeout(scgp, SCSI_TIMEOUT);
	scgp->cmdname = cmdname;

	// preparing scsi command
	scmd = scgp->scmd;
	memset(scmd, 0, sizeof(struct scg_cmd));
	scmd->addr = (caddr_t)0;
	scmd->size = 0;
	scmd->cdb_len = sizeof(command);
	scmd->sense_len = CCS_SENSE_LEN;
	scmd->flags = SCG_DISRE_ENA;

	memset(command, 0, 12);
	command[0] = SONY_SPECIFIC_COMMAND;
	command[4] = HIMD_FORMAT;
	memcpy(scmd->cdb.cmd_cdb, command, 12);

	// sending command
	if(scg_cmd(scgp) < 0)
	{
		fputs("cannot send scsi command", stderr);
		err = -4;
		goto clean;
	}
	else
		fprintf(stderr, "scsi command successfully sent");

clean:
	scg__close(scgp);

	return err;
}
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