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Annotation of src/usr.bin/tmux/cmd-source-file.c, Revision 1.4

1.4     ! nicm        1: /* $OpenBSD: cmd-source-file.c,v 1.3 2009/07/26 12:58:44 nicm Exp $ */
1.1       nicm        2:
                      3: /*
                      4:  * Copyright (c) 2008 Tiago Cunha <me@tiagocunha.org>
                      5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
                      7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
                      9:  *
                     10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
                     15:  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
                     16:  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     17:  */
                     18:
                     19: #include <sys/types.h>
                     20:
                     21: #include "tmux.h"
                     22:
                     23: /*
                     24:  * Sources a configuration file.
                     25:  */
                     26:
                     27: int    cmd_source_file_parse(struct cmd *, int, char **, char **);
                     28: int    cmd_source_file_exec(struct cmd *, struct cmd_ctx *);
                     29: void   cmd_source_file_free(struct cmd *);
                     30: void   cmd_source_file_init(struct cmd *, int);
                     31: size_t cmd_source_file_print(struct cmd *, char *, size_t);
                     32:
                     33: struct cmd_source_file_data {
                     34:        char *path;
                     35: };
                     36:
                     37: const struct cmd_entry cmd_source_file_entry = {
                     38:        "source-file", "source",
                     39:        "path",
1.2       nicm       40:        0, 0,
1.1       nicm       41:        cmd_source_file_init,
                     42:        cmd_source_file_parse,
                     43:        cmd_source_file_exec,
                     44:        cmd_source_file_free,
                     45:        cmd_source_file_print
                     46: };
                     47:
                     48: void
                     49: cmd_source_file_init(struct cmd *self, unused int arg)
                     50: {
                     51:        struct cmd_source_file_data     *data;
                     52:
                     53:        self->data = data = xmalloc(sizeof *data);
                     54:        data->path = NULL;
                     55: }
                     56:
                     57: int
                     58: cmd_source_file_parse(struct cmd *self, int argc, char **argv, char **cause)
                     59: {
                     60:        struct cmd_source_file_data     *data;
                     61:        int                              opt;
                     62:
                     63:        self->entry->init(self, 0);
                     64:        data = self->data;
                     65:
                     66:        while ((opt = getopt(argc, argv, "")) != -1) {
                     67:                switch (opt) {
                     68:                default:
                     69:                        goto usage;
                     70:                }
                     71:        }
                     72:        argc -= optind;
                     73:        argv += optind;
                     74:        if (argc != 1)
                     75:                goto usage;
                     76:
                     77:        data->path = xstrdup(argv[0]);
                     78:        return (0);
                     79:
                     80: usage:
                     81:        xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
                     82:
                     83:        self->entry->free(self);
                     84:        return (-1);
                     85: }
                     86:
                     87: int
                     88: cmd_source_file_exec(struct cmd *self, struct cmd_ctx *ctx)
                     89: {
                     90:        struct cmd_source_file_data     *data = self->data;
                     91:        char                            *cause;
                     92:
1.4     ! nicm       93:        if (load_cfg(data->path, ctx, &cause) != 0) {
1.1       nicm       94:                ctx->error(ctx, "%s", cause);
                     95:                xfree(cause);
                     96:                return (-1);
                     97:        }
                     98:
                     99:        return (0);
                    100: }
                    101:
                    102: void
                    103: cmd_source_file_free(struct cmd *self)
                    104: {
                    105:        struct cmd_source_file_data     *data = self->data;
                    106:
                    107:        if (data->path != NULL)
                    108:                xfree(data->path);
                    109:        xfree(data);
                    110: }
                    111:
                    112: size_t
                    113: cmd_source_file_print(struct cmd *self, char *buf, size_t len)
                    114: {
                    115:        struct cmd_source_file_data     *data = self->data;
                    116:        size_t                          off = 0;
                    117:
                    118:        off += xsnprintf(buf, len, "%s", self->entry->name);
                    119:        if (data == NULL)
                    120:                return (off);
                    121:        if (off < len && data->path != NULL)
                    122:                off += cmd_prarg(buf + off, len - off, " ", data->path);
                    123:        return (off);
                    124: }