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			118 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			118 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* $OpenBSD$ */
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/*
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 * Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
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 *
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 * Permission to use, copy, modify, and distribute this software for any
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 * purpose with or without fee is hereby granted, provided that the above
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 * copyright notice and this permission notice appear in all copies.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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 */
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <errno.h>
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#include <string.h>
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#include "tmux.h"
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/*
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 * Saves a paste buffer to a file.
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 */
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int	cmd_save_buffer_exec(struct cmd *, struct cmd_ctx *);
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const struct cmd_entry cmd_save_buffer_entry = {
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	"save-buffer", "saveb",
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	"ab:", 1, 1,
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	"[-a] " CMD_BUFFER_USAGE,
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	0,
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	NULL,
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	NULL,
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	cmd_save_buffer_exec
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};
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int
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cmd_save_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
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{
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	struct args		*args = self->args;
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	struct client		*c = ctx->cmdclient;
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	struct session          *s;
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	struct paste_buffer	*pb;
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	const char		*path, *newpath, *wd;
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	char			*cause;
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	int			 buffer;
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	mode_t			 mask;
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	FILE			*f;
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	if (!args_has(args, 'b')) {
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		if ((pb = paste_get_top(&global_buffers)) == NULL) {
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			ctx->error(ctx, "no buffers");
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			return (-1);
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		}
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	} else {
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		buffer = args_strtonum(args, 'b', 0, INT_MAX, &cause);
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		if (cause != NULL) {
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			ctx->error(ctx, "buffer %s", cause);
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			xfree(cause);
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			return (-1);
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		}
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		pb = paste_get_index(&global_buffers, buffer);
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		if (pb == NULL) {
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			ctx->error(ctx, "no buffer %d", buffer);
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			return (-1);
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		}
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	}
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	path = args->argv[0];
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	if (strcmp(path, "-") == 0) {
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		if (c == NULL) {
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			ctx->error(ctx, "%s: can't write to stdout", path);
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			return (-1);
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		}
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		bufferevent_write(c->stdout_event, pb->data, pb->size);
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	} else {
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		if (c != NULL)
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			wd = c->cwd;
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		else if ((s = cmd_current_session(ctx, 0)) != NULL) {
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			wd = options_get_string(&s->options, "default-path");
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			if (*wd == '\0')
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				wd = s->cwd;
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		} else
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			wd = NULL;
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		if (wd != NULL && *wd != '\0') {
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			newpath = get_full_path(wd, path);
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			if (newpath != NULL)
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				path = newpath;
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		}
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		mask = umask(S_IRWXG | S_IRWXO);
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		if (args_has(self->args, 'a'))
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			f = fopen(path, "ab");
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		else
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			f = fopen(path, "wb");
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		umask(mask);
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		if (f == NULL) {
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			ctx->error(ctx, "%s: %s", path, strerror(errno));
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			return (-1);
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		}
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		if (fwrite(pb->data, 1, pb->size, f) != pb->size) {
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			ctx->error(ctx, "%s: fwrite error", path);
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			fclose(f);
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			return (-1);
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		}
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		fclose(f);
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	}
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	return (0);
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}
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