1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/fsaccess/ops.c Mon Mar 07 23:54:48 2022 +0100
1.3 @@ -0,0 +1,78 @@
1.4 +/*
1.5 + * Operation invocation.
1.6 + *
1.7 + * Copyright (C) 2019, 2022 Paul Boddie <paul@boddie.org.uk>
1.8 + *
1.9 + * This program is free software; you can redistribute it and/or
1.10 + * modify it under the terms of the GNU General Public License as
1.11 + * published by the Free Software Foundation; either version 2 of
1.12 + * the License, or (at your option) any later version.
1.13 + *
1.14 + * This program is distributed in the hope that it will be useful,
1.15 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.16 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.17 + * GNU General Public License for more details.
1.18 + *
1.19 + * You should have received a copy of the GNU General Public License
1.20 + * along with this program; if not, write to the Free Software
1.21 + * Foundation, Inc., 51 Franklin Street, Fifth Floor,
1.22 + * Boston, MA 02110-1301, USA
1.23 + */
1.24 +
1.25 +#include <stdio.h>
1.26 +#include <string.h>
1.27 +
1.28 +#include "ops.h"
1.29 +
1.30 +
1.31 +
1.32 +/* Operations exposed by the program. */
1.33 +
1.34 +extern struct operation operations[];
1.35 +
1.36 +
1.37 +
1.38 +/* Produce a general result condition from the invocation of an operation. */
1.39 +
1.40 +int handle_op_result(const char *operation, enum op_results op_result)
1.41 +{
1.42 + if (op_result == OP_UNKNOWN)
1.43 + {
1.44 + fprintf(stderr, "Operation not recognised: %s\n", operation);
1.45 + return 1;
1.46 + }
1.47 + else if (op_result == OP_FAILED)
1.48 + {
1.49 + fprintf(stderr, "Operation failed: %s\n", operation);
1.50 + return 1;
1.51 + }
1.52 + else
1.53 + return 0;
1.54 +}
1.55 +
1.56 +/* Invocation of operations. */
1.57 +
1.58 +enum op_results run_operation(const char *operation, int argc, char *argv[])
1.59 +{
1.60 + struct operation *op;
1.61 + int exitcode;
1.62 +
1.63 + for (op = &operations[0]; op->name != NULL; op++)
1.64 + {
1.65 + if (!strcmp(operation, op->name))
1.66 + {
1.67 + exitcode = op->fn(argc, argv);
1.68 + if (exitcode)
1.69 + return OP_FAILED;
1.70 + break;
1.71 + }
1.72 + }
1.73 +
1.74 + if (op->name == NULL)
1.75 + return OP_UNKNOWN;
1.76 +
1.77 + return OP_SUCCESS;
1.78 +}
1.79 +
1.80 +/* vim: tabstop=4 expandtab shiftwidth=4
1.81 +*/