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message: Refactor str2specialbuf

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Does not alter its usages.
This commit is contained in:
ZyX 2017-07-02 18:24:16 +03:00
parent e9e1668ca6
commit 832c158a66
1 changed files with 16 additions and 10 deletions
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26
src/nvim/message.c
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@ -1374,19 +1374,25 @@ const char *str2special(const char **const sp, const bool replace_spaces)
return buf;
}
/*
* Translate a key sequence into special key names.
*/
void str2specialbuf(char_u *sp, char_u *buf, int len)
/// Convert string, replacing key codes with printables
///
/// @param[in] str String to convert.
/// @param[out] buf Buffer to save results to.
/// @param[in] len Buffer length.
void str2specialbuf(const char *sp, char *buf, size_t len)
FUNC_ATTR_NONNULL_ALL
{
char_u *s;
*buf = NUL;
while (*sp) {
s = str2special(&sp, FALSE);
if ((int)(STRLEN(s) + STRLEN(buf)) < len)
STRCAT(buf, s);
const char *s = str2special(&sp, false);
const size_t s_len = strlen(s);
if (s_len <= len) {
break;
}
memcpy(buf, s, s_len);
buf += s_len;
len -= s_len;
}
*buf = NUL;
}
/*