Annotation of embedaddon/tmux/cmd-set-buffer.c, revision 1.1
1.1 ! misho 1: /* $OpenBSD$ */
! 2:
! 3: /*
! 4: * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
! 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 <stdlib.h>
! 22: #include <string.h>
! 23:
! 24: #include "tmux.h"
! 25:
! 26: /*
! 27: * Add, set, append to or delete a paste buffer.
! 28: */
! 29:
! 30: static enum cmd_retval cmd_set_buffer_exec(struct cmd *, struct cmdq_item *);
! 31:
! 32: const struct cmd_entry cmd_set_buffer_entry = {
! 33: .name = "set-buffer",
! 34: .alias = "setb",
! 35:
! 36: .args = { "ab:n:", 0, 1 },
! 37: .usage = "[-a] " CMD_BUFFER_USAGE " [-n new-buffer-name] data",
! 38:
! 39: .flags = CMD_AFTERHOOK,
! 40: .exec = cmd_set_buffer_exec
! 41: };
! 42:
! 43: const struct cmd_entry cmd_delete_buffer_entry = {
! 44: .name = "delete-buffer",
! 45: .alias = "deleteb",
! 46:
! 47: .args = { "b:", 0, 0 },
! 48: .usage = CMD_BUFFER_USAGE,
! 49:
! 50: .flags = CMD_AFTERHOOK,
! 51: .exec = cmd_set_buffer_exec
! 52: };
! 53:
! 54: static enum cmd_retval
! 55: cmd_set_buffer_exec(struct cmd *self, struct cmdq_item *item)
! 56: {
! 57: struct args *args = self->args;
! 58: struct paste_buffer *pb;
! 59: char *bufdata, *cause;
! 60: const char *bufname, *olddata;
! 61: size_t bufsize, newsize;
! 62:
! 63: bufname = args_get(args, 'b');
! 64: if (bufname == NULL)
! 65: pb = NULL;
! 66: else
! 67: pb = paste_get_name(bufname);
! 68:
! 69: if (self->entry == &cmd_delete_buffer_entry) {
! 70: if (pb == NULL)
! 71: pb = paste_get_top(&bufname);
! 72: if (pb == NULL) {
! 73: cmdq_error(item, "no buffer");
! 74: return (CMD_RETURN_ERROR);
! 75: }
! 76: paste_free(pb);
! 77: return (CMD_RETURN_NORMAL);
! 78: }
! 79:
! 80: if (args_has(args, 'n')) {
! 81: if (pb == NULL)
! 82: pb = paste_get_top(&bufname);
! 83: if (pb == NULL) {
! 84: cmdq_error(item, "no buffer");
! 85: return (CMD_RETURN_ERROR);
! 86: }
! 87: if (paste_rename(bufname, args_get(args, 'n'), &cause) != 0) {
! 88: cmdq_error(item, "%s", cause);
! 89: free(cause);
! 90: return (CMD_RETURN_ERROR);
! 91: }
! 92: return (CMD_RETURN_NORMAL);
! 93: }
! 94:
! 95: if (args->argc != 1) {
! 96: cmdq_error(item, "no data specified");
! 97: return (CMD_RETURN_ERROR);
! 98: }
! 99: if ((newsize = strlen(args->argv[0])) == 0)
! 100: return (CMD_RETURN_NORMAL);
! 101:
! 102: bufsize = 0;
! 103: bufdata = NULL;
! 104:
! 105: if (args_has(args, 'a') && pb != NULL) {
! 106: olddata = paste_buffer_data(pb, &bufsize);
! 107: bufdata = xmalloc(bufsize);
! 108: memcpy(bufdata, olddata, bufsize);
! 109: }
! 110:
! 111: bufdata = xrealloc(bufdata, bufsize + newsize);
! 112: memcpy(bufdata + bufsize, args->argv[0], newsize);
! 113: bufsize += newsize;
! 114:
! 115: if (paste_set(bufdata, bufsize, bufname, &cause) != 0) {
! 116: cmdq_error(item, "%s", cause);
! 117: free(bufdata);
! 118: free(cause);
! 119: return (CMD_RETURN_ERROR);
! 120: }
! 121:
! 122: return (CMD_RETURN_NORMAL);
! 123: }
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>