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vim-patch:7.4.503 #2178

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Problem:    Cannot append a list of lines to a file.
Solution:   Add the append option to writefile(). (Yasuhiro Matsumoto)

https://code.google.com/p/vim/source/detail?r=v7-4-503

-Ported old legacy test over to
    test/functional/legacy/writefile_spec.lua
-Tests for mapping and signs from the original patch were removed since
    they have nothing to do this with feature

Tested with: make oldtest, make test on OS X.

Signed-off-by: Perry Hung <iperry@gmail.com>
This commit is contained in:
Perry Hung
2015-03-18 22:41:51 -04:00
committed by Justin M. Keyes
parent 2d0f7fa95d
commit 26e6bca769
4 changed files with 50 additions and 8 deletions
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14
src/nvim/eval.c
View File

@@ -15453,16 +15453,22 @@ static void f_writefile(typval_T *argvars, typval_T *rettv)
}
bool binary = false;
if (argvars[2].v_type != VAR_UNKNOWN
&& STRCMP(get_tv_string(&argvars[2]), "b") == 0) {
binary = true;
bool append = false;
if (argvars[2].v_type != VAR_UNKNOWN) {
if (vim_strchr(get_tv_string(&argvars[2]), 'b')) {
binary = true;
}
if (vim_strchr(get_tv_string(&argvars[2]), 'a')) {
append = true;
}
}
// Always open the file in binary mode, library functions have a mind of
// their own about CR-LF conversion.
char_u *fname = get_tv_string(&argvars[1]);
FILE *fd;
if (*fname == NUL || (fd = mch_fopen((char *)fname, WRITEBIN)) == NULL) {
if (*fname == NUL || (fd = mch_fopen((char *)fname,
append ? APPENDBIN : WRITEBIN)) == NULL) {
EMSG2(_(e_notcreate), *fname == NUL ? (char_u *)_("<empty>") : fname);
rettv->vval.v_number = -1;
} else {