FreeCalypso > hg > fc-sim-tools
diff simtool/writecmd.c @ 83:3055d5c9e7a3
fc-simtool update-rec* commands: check curfile_record_len
and error out if it is not set
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Sun, 11 Apr 2021 02:38:31 +0000 |
| parents | ddd767f6e15b |
| children |
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--- a/simtool/writecmd.c Sat Apr 10 23:21:47 2021 +0000 +++ b/simtool/writecmd.c Sun Apr 11 02:38:31 2021 +0000 @@ -50,6 +50,10 @@ u_char data[255]; int rc; + if (!curfile_record_len) { + fprintf(stderr, "error: no record-based file selected\n"); + return(-1); + } if (!strcmp(argv[1], "prev")) { recno = 0; mode = 0x03; @@ -79,6 +83,10 @@ u_char data[255]; int rc; + if (!curfile_record_len) { + fprintf(stderr, "error: no record-based file selected\n"); + return(-1); + } if (!strcmp(argv[1], "prev")) { recno = 0; mode = 0x03; @@ -107,6 +115,10 @@ unsigned recno, mode, fill_byte; u_char data[255]; + if (!curfile_record_len) { + fprintf(stderr, "error: no record-based file selected\n"); + return(-1); + } if (!strcmp(argv[1], "prev")) { recno = 0; mode = 0x03;