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input: escape command parameters when logging

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Some complex commands (like commands generated by scripts to define key
bindings or the OSD overlay command) contain new lines, which "corrupts"
logging.

Fix this by escaping the parameters C-style. Abuse the JSON writer for
this, which already has code to vaguely produce C-style escapes.

At first I considered stripping the quotes, but then I thought it's
actually a good idea to leave them in, as it makes things clearer.

Follows an idea by avih.
This commit is contained in:
wm4 2020-01-12 01:04:33 +01:00
parent b947bfcf1f
commit 4b168bcda3
1 changed files with 9 additions and 1 deletions
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10
input/cmd.c
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@ -25,6 +25,7 @@
#include "cmd.h"
#include "input.h"
#include "misc/json.h"
#include "libmpv/client.h"
@ -558,7 +559,14 @@ void mp_cmd_dump(struct mp_log *log, int msgl, char *header, struct mp_cmd *cmd)
char *s = m_option_print(cmd->args[n].type, &cmd->args[n].v);
if (n)
mp_msg(log, msgl, ", ");
mp_msg(log, msgl, "%s", s ? s : "(NULL)");
struct mpv_node node = {
.format = MPV_FORMAT_STRING,
.u.string = s ? s : "(NULL)",
};
char *esc = NULL;
json_write(&esc, &node);
mp_msg(log, msgl, "%s", esc ? esc : "<error>");
talloc_free(esc);
talloc_free(s);
}
mp_msg(log, msgl, "]\n");