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-rw-r--r--Makefile.am1
-rw-r--r--cmd-save-buffer.c129
-rw-r--r--cmd-show-buffer.c111
3 files changed, 90 insertions, 151 deletions
diff --git a/Makefile.am b/Makefile.am
index f77c9abd..57534af9 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -122,7 +122,6 @@ dist_tmux_SOURCES = \
cmd-set-buffer.c \
cmd-set-environment.c \
cmd-set-option.c \
- cmd-show-buffer.c \
cmd-show-environment.c \
cmd-show-messages.c \
cmd-show-options.c \
diff --git a/cmd-save-buffer.c b/cmd-save-buffer.c
index 1d39bc9e..80b5bf05 100644
--- a/cmd-save-buffer.c
+++ b/cmd-save-buffer.c
@@ -41,6 +41,16 @@ const struct cmd_entry cmd_save_buffer_entry = {
cmd_save_buffer_exec
};
+const struct cmd_entry cmd_show_buffer_entry = {
+ "show-buffer", "showb",
+ "b:", 0, 0,
+ CMD_BUFFER_USAGE,
+ 0,
+ NULL,
+ NULL,
+ cmd_save_buffer_exec
+};
+
enum cmd_retval
cmd_save_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
{
@@ -49,10 +59,13 @@ cmd_save_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
struct session *s;
struct paste_buffer *pb;
const char *path, *newpath, *wd;
- char *cause;
+ char *cause, *start, *end;
+ size_t size, used;
int buffer;
mode_t mask;
FILE *f;
+ char *msg;
+ size_t msglen;
if (!args_has(args, 'b')) {
if ((pb = paste_get_top(&global_buffers)) == NULL) {
@@ -74,50 +87,88 @@ cmd_save_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
}
}
- path = args->argv[0];
+ if (self->entry == &cmd_show_buffer_entry)
+ path = "-";
+ else
+ path = args->argv[0];
if (strcmp(path, "-") == 0) {
- c = ctx->curclient;
- if (c == NULL || !(c->flags & CLIENT_CONTROL))
- c = ctx->cmdclient;
- if (c == NULL) {
- ctx->error(ctx, "can't write to stdout");
- return (CMD_RETURN_ERROR);
- }
- evbuffer_add(c->stdout_data, pb->data, pb->size);
- server_push_stdout(c);
- } else {
c = ctx->cmdclient;
if (c != NULL)
- wd = c->cwd;
- else if ((s = cmd_current_session(ctx, 0)) != NULL) {
- wd = options_get_string(&s->options, "default-path");
- if (*wd == '\0')
- wd = s->cwd;
- } else
- wd = NULL;
- if (wd != NULL && *wd != '\0') {
- newpath = get_full_path(wd, path);
- if (newpath != NULL)
- path = newpath;
- }
+ goto do_stdout;
+ c = ctx->curclient;
+ if (c->flags & CLIENT_CONTROL)
+ goto do_stdout;
+ if (c != NULL)
+ goto do_print;
+ ctx->error(ctx, "can't write to stdout");
+ return (CMD_RETURN_ERROR);
+ }
- mask = umask(S_IRWXG | S_IRWXO);
- if (args_has(self->args, 'a'))
- f = fopen(path, "ab");
- else
- f = fopen(path, "wb");
- umask(mask);
- if (f == NULL) {
- ctx->error(ctx, "%s: %s", path, strerror(errno));
- return (CMD_RETURN_ERROR);
- }
- if (fwrite(pb->data, 1, pb->size, f) != pb->size) {
- ctx->error(ctx, "%s: fwrite error", path);
- fclose(f);
- return (CMD_RETURN_ERROR);
- }
+ c = ctx->cmdclient;
+ if (c != NULL)
+ wd = c->cwd;
+ else if ((s = cmd_current_session(ctx, 0)) != NULL) {
+ wd = options_get_string(&s->options, "default-path");
+ if (*wd == '\0')
+ wd = s->cwd;
+ } else
+ wd = NULL;
+ if (wd != NULL && *wd != '\0') {
+ newpath = get_full_path(wd, path);
+ if (newpath != NULL)
+ path = newpath;
+ }
+
+ mask = umask(S_IRWXG | S_IRWXO);
+ if (args_has(self->args, 'a'))
+ f = fopen(path, "ab");
+ else
+ f = fopen(path, "wb");
+ umask(mask);
+ if (f == NULL) {
+ ctx->error(ctx, "%s: %s", path, strerror(errno));
+ return (CMD_RETURN_ERROR);
+ }
+ if (fwrite(pb->data, 1, pb->size, f) != pb->size) {
+ ctx->error(ctx, "%s: fwrite error", path);
fclose(f);
+ return (CMD_RETURN_ERROR);
+ }
+ fclose(f);
+
+ return (CMD_RETURN_NORMAL);
+
+do_stdout:
+ evbuffer_add(c->stdout_data, pb->data, pb->size);
+ server_push_stdout(c);
+ return (CMD_RETURN_NORMAL);
+
+do_print:
+ if (pb->size > (INT_MAX / 4) - 1) {
+ ctx->error(ctx, "buffer too big");
+ return (CMD_RETURN_ERROR);
+ }
+ msg = NULL;
+ msglen = 0;
+
+ used = 0;
+ while (used != pb->size) {
+ start = pb->data + used;
+ end = memchr(start, '\n', pb->size - used);
+ if (end != NULL)
+ size = end - start;
+ else
+ size = pb->size - used;
+
+ msglen = size * 4 + 1;
+ msg = xrealloc(msg, 1, msglen);
+
+ strvisx(msg, start, size, VIS_OCTAL|VIS_TAB);
+ ctx->print(ctx, "%s", msg);
+
+ used += size + (end != NULL);
}
+ free(msg);
return (CMD_RETURN_NORMAL);
}
diff --git a/cmd-show-buffer.c b/cmd-show-buffer.c
deleted file mode 100644
index b345ebc1..00000000
--- a/cmd-show-buffer.c
+++ /dev/null
@@ -1,111 +0,0 @@
-/* $Id$ */
-
-/*
- * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
- * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
- * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <sys/types.h>
-
-#include <stdlib.h>
-
-#include "tmux.h"
-
-/*
- * Show a paste buffer.
- */
-
-enum cmd_retval cmd_show_buffer_exec(struct cmd *, struct cmd_ctx *);
-
-const struct cmd_entry cmd_show_buffer_entry = {
- "show-buffer", "showb",
- "b:", 0, 0,
- CMD_BUFFER_USAGE,
- 0,
- NULL,
- NULL,
- cmd_show_buffer_exec
-};
-
-enum cmd_retval
-cmd_show_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
-{
- struct args *args = self->args;
- struct session *s;
- struct paste_buffer *pb;
- int buffer;
- char *in, *buf, *ptr, *cause;
- size_t size, len;
- u_int width;
-
- if ((s = cmd_find_session(ctx, NULL, 0)) == NULL)
- return (CMD_RETURN_ERROR);
-
- if (!args_has(args, 'b')) {
- if ((pb = paste_get_top(&global_buffers)) == NULL) {
- ctx->error(ctx, "no buffers");
- return (CMD_RETURN_ERROR);
- }
- } else {
- buffer = args_strtonum(args, 'b', 0, INT_MAX, &cause);
- if (cause != NULL) {
- ctx->error(ctx, "buffer %s", cause);
- free(cause);
- return (CMD_RETURN_ERROR);
- }
-
- pb = paste_get_index(&global_buffers, buffer);
- if (pb == NULL) {
- ctx->error(ctx, "no buffer %d", buffer);
- return (CMD_RETURN_ERROR);
- }
- }
-
- size = pb->size;
- if (size > SIZE_MAX / 4 - 1)
- size = SIZE_MAX / 4 - 1;
- in = xmalloc(size * 4 + 1);
- strvisx(in, pb->data, size, VIS_OCTAL|VIS_TAB);
-
- width = s->sx;
- if (ctx->cmdclient != NULL)
- width = ctx->cmdclient->tty.sx;
-
- buf = xmalloc(width + 1);
- len = 0;
-
- ptr = in;
- do {
- buf[len++] = *ptr++;
-
- if (len == width || buf[len - 1] == '\n') {
- if (buf[len - 1] == '\n')
- len--;
- buf[len] = '\0';
-
- ctx->print(ctx, "%s", buf);
- len = 0;
- }
- } while (*ptr != '\0');
-
- if (len != 0) {
- buf[len] = '\0';
- ctx->print(ctx, "%s", buf);
- }
- free(buf);
-
- free(in);
-
- return (CMD_RETURN_NORMAL);
-}