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- ;/* prargs.c - Execute me to compile me with SAS C 5.10
- LC -b1 -cfistq -v -y -j73 prargs.c
- Blink FROM LIB:c.o,prargs.o LIB LIB:LC.lib,LIB:Amiga.lib TO prargs DEFINE __main=__tinymain
- quit
- */
- /*
- Copyright (c) 1992 Commodore-Amiga, Inc.
-
- This example is provided in electronic form by Commodore-Amiga, Inc. for
- use with the "Amiga ROM Kernel Reference Manual: Libraries", 3rd Edition,
- published by Addison-Wesley (ISBN 0-201-56774-1).
-
- The "Amiga ROM Kernel Reference Manual: Libraries" contains additional
- information on the correct usage of the techniques and operating system
- functions presented in these examples. The source and executable code
- of these examples may only be distributed in free electronic form, via
- bulletin board or as part of a fully non-commercial and freely
- redistributable diskette. Both the source and executable code (including
- comments) must be included, without modification, in any copy. This
- example may not be published in printed form or distributed with any
- commercial product. However, the programming techniques and support
- routines set forth in these examples may be used in the development
- of original executable software products for Commodore Amiga computers.
-
- All other rights reserved.
-
- This example is provided "as-is" and is subject to change; no
- warranties are made. All use is at your own risk. No liability or
- responsibility is assumed.
- */
- /*
- ** NOTE: main and tinymain are prepended with two underscores.
- **
- ** PrArgs.c - This program prints all Workbench or Shell (CLI) arguments.
- */
- #include <exec/types.h>
- #include <workbench/startup.h>
- #include <clib/dos_protos.h>
- #include <clib/icon_protos.h>
-
- #include <stdlib.h>
- #include <stdio.h>
-
- #ifdef LATTICE
- int CXBRK(void) { return(0); } /* Disable SAS Lattice CTRL/C handling */
- int chkabort(void) { return(0); }/* really */
- #endif
-
- void main(int argc, char **argv)
- {
- struct WBStartup *argmsg;
- struct WBArg *wb_arg;
- LONG ktr;
- BPTR olddir;
- FILE *outFile;
-
- /* argc is zero when run from the Workbench,
- ** positive when run from the CLI.
- */
- if (argc == 0)
- {
- /* AmigaDOS has a special facility that allows a window */
- /* with a console and a file handle to be easily created. */
- /* CON: windows allow you to use fprintf() with no hassle */
- if (NULL != (outFile = fopen("CON:0/0/640/200/PrArgs","r+")))
- {
- /* in SAS/Lattice, argv is a pointer to the WBStartup message
- ** when argc is zero. (run under the Workbench.)
- */
- argmsg = (struct WBStartup *)argv ;
- wb_arg = argmsg->sm_ArgList ; /* head of the arg list */
-
- fprintf(outFile, "Run from the workbench, %ld args.\n",
- argmsg->sm_NumArgs);
-
- for (ktr = 0; ktr < argmsg->sm_NumArgs; ktr++, wb_arg++)
- {
- if (NULL != wb_arg->wa_Lock)
- {
- /* locks supported, change to the proper directory */
- olddir = CurrentDir(wb_arg->wa_Lock) ;
-
- /* process the file.
- ** If you have done the CurrentDir() above, then you can
- ** access the file by its name. Otherwise, you have to
- ** examine the lock to get a complete path to the file.
- */
- fprintf(outFile, "\tArg %2.2ld (w/ lock): '%s'.\n",
- ktr, wb_arg->wa_Name);
-
- /* change back to the original directory when done.
- ** be sure to change back before you exit.
- */
- CurrentDir(olddir) ;
- }
- else
- {
- /* something that does not support locks */
- fprintf(outFile, "\tArg %2.2ld (no lock): '%s'.\n",
- ktr, wb_arg->wa_Name);
- }
- }
- /* wait before closing down */
- Delay(500L);
- fclose(outFile);
- }
- }
- else
- {
- /* using 'tinymain' from lattice c.
- ** define a place to send the output (originating CLI window = "*")
- ** Note - if you open "*" and your program is RUN, the user will not
- ** be able to close the CLI window until you close the "*" file.
- */
- if (NULL != (outFile = fopen("*","r+")))
- {
- fprintf(outFile, "Run from the CLI, %d args.\n", argc);
-
- for ( ktr = 0; ktr < argc; ktr++)
- {
- /* print an arg, and its number */
- fprintf(outFile, "\tArg %2.2ld: '%s'.\n", ktr, argv[ktr]);
- }
- fclose(outFile);
- }
- }
- }
-