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patch 8.1.0401: can't get swap name of another buffer

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Problem:    Can't get swap name of another buffer.
Solution:   Add swapname(). (Ozaki Kiichi, closes #3441)
This commit is contained in:
Bram Moolenaar
2018-09-16 18:46:59 +02:00
parent d2b58c0a2c
commit 110bd60985
4 changed files with 59 additions and 5 deletions
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19
src/evalfunc.c
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@@ -399,6 +399,7 @@ static void f_strwidth(typval_T *argvars, typval_T *rettv);
static void f_submatch(typval_T *argvars, typval_T *rettv);
static void f_substitute(typval_T *argvars, typval_T *rettv);
static void f_swapinfo(typval_T *argvars, typval_T *rettv);
static void f_swapname(typval_T *argvars, typval_T *rettv);
static void f_synID(typval_T *argvars, typval_T *rettv);
static void f_synIDattr(typval_T *argvars, typval_T *rettv);
static void f_synIDtrans(typval_T *argvars, typval_T *rettv);
@@ -865,6 +866,7 @@ static struct fst
{"submatch", 1, 2, f_submatch},
{"substitute", 4, 4, f_substitute},
{"swapinfo", 1, 1, f_swapinfo},
{"swapname", 1, 1, f_swapname},
{"synID", 3, 3, f_synID},
{"synIDattr", 2, 3, f_synIDattr},
{"synIDtrans", 1, 1, f_synIDtrans},
@@ -12341,6 +12343,23 @@ f_swapinfo(typval_T *argvars, typval_T *rettv)
get_b0_dict(get_tv_string(argvars), rettv->vval.v_dict);
}
/*
* "swapname(expr)" function
*/
static void
f_swapname(typval_T *argvars, typval_T *rettv)
{
buf_T *buf;
rettv->v_type = VAR_STRING;
buf = get_buf_tv(&argvars[0], FALSE);
if (buf == NULL || buf->b_ml.ml_mfp == NULL
|| buf->b_ml.ml_mfp->mf_fname == NULL)
rettv->vval.v_string = NULL;
else
rettv->vval.v_string = vim_strsave(buf->b_ml.ml_mfp->mf_fname);
}
/*
* "synID(lnum, col, trans)" function
*/