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Change list-buffers to run the preview of the buffer through vis(1).

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This commit is contained in:
Nicholas Marriott 2009-08-18 12:26:37 +00:00
parent 1c58b94141
commit 840fff5e5e
1 changed files with 20 additions and 30 deletions
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50
cmd-list-buffers.c
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@ -19,6 +19,7 @@
#include <sys/types.h>
#include <string.h>
#include <vis.h>
#include "tmux.h"
@ -46,44 +47,33 @@ cmd_list_buffers_exec(struct cmd *self, struct cmd_ctx *ctx)
struct session *s;
struct paste_buffer *pb;
u_int idx;
char *tmp;
size_t size, in, out;
char tmp[51 * 4 + 1];
size_t size, len;
if ((s = cmd_find_session(ctx, data->target)) == NULL)
return (-1);
if (s->sx > 35) { /* leave three for ... */
size = s->sx - 32;
tmp = xmalloc(size + 1);
} else {
size = 0;
tmp = NULL;
}
idx = 0;
while ((pb = paste_walk_stack(&s->buffers, &idx)) != NULL) {
if (tmp != NULL) {
in = out = 0;
while (out < size && pb->data[in] != '\0') {
if (pb->data[in] > 31 && pb->data[in] != 127)
tmp[out++] = pb->data[in];
in++;
}
tmp[out] = '\0';
if (out == size) {
tmp[out - 1] = '.';
tmp[out - 2] = '.';
tmp[out - 3] = '.';
}
size = strlen(pb->data);
ctx->print(ctx, "%d: %zu bytes: \"%s\"",
idx - 1, strlen(pb->data), tmp);
} else
ctx->print(ctx, "%d: %zu bytes", idx, strlen(pb->data));
/* Translate the first 50 characters. */
len = size;
if (len > 50)
len = 50;
strvisx(tmp, pb->data, len, VIS_OCTAL|VIS_TAB|VIS_NL);
/*
* If the first 50 characterswere encoded as a longer string,
* or there is definitely more data, add "...".
*/
if (size > 50 || strlen(tmp) > 50) {
tmp[50 - 3] = '\0';
strlcat(tmp, "...", sizeof tmp);
}
ctx->print(ctx, "%u: %zu bytes: \"%s\"", idx - 1, size, tmp);
}
if (tmp != NULL)
xfree(tmp);
return (0);
}