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updated for version 7.4.247

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Problem:    When passing input to system() there is no way to keep NUL and
            NL characters separate.
Solution:   Optionally use a list for the system() input. (ZyX)
This commit is contained in:
Bram Moolenaar
2014-04-05 18:55:46 +02:00
parent 4ed89cdf41
commit 57ebe6e2f9
3 changed files with 73 additions and 40 deletions
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96
src/eval.c
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@@ -836,6 +836,7 @@ static void getwinvar __ARGS((typval_T *argvars, typval_T *rettv, int off));
static int searchpair_cmn __ARGS((typval_T *argvars, pos_T *match_pos));
static int search_cmn __ARGS((typval_T *argvars, pos_T *match_pos, int *flagsp));
static void setwinvar __ARGS((typval_T *argvars, typval_T *rettv, int off));
static int write_list __ARGS((FILE *fd, list_T *list, int binary));
#ifdef EBCDIC
@@ -18267,14 +18268,22 @@ f_system(argvars, rettv)
EMSG2(_(e_notopen), infile);
goto done;
}
p = get_tv_string_buf_chk(&argvars[1], buf);
if (p == NULL)
if (argvars[1].v_type == VAR_LIST)
{
fclose(fd);
goto done; /* type error; errmsg already given */
if (write_list(fd, argvars[1].vval.v_list, TRUE) == FAIL)
err = TRUE;
}
else
{
p = get_tv_string_buf_chk(&argvars[1], buf);
if (p == NULL)
{
fclose(fd);
goto done; /* type error; errmsg already given */
}
if (fwrite(p, STRLEN(p), 1, fd) != 1)
err = TRUE;
}
if (fwrite(p, STRLEN(p), 1, fd) != 1)
err = TRUE;
if (fclose(fd) != 0)
err = TRUE;
if (err)
@@ -19172,6 +19181,49 @@ f_winwidth(argvars, rettv)
#endif
}
/*
* Write list of strings to file
*/
static int
write_list(fd, list, binary)
FILE *fd;
list_T *list;
int binary;
{
listitem_T *li;
int c;
int ret = OK;
char_u *s;
for (li = list->lv_first; li != NULL; li = li->li_next)
{
for (s = get_tv_string(&li->li_tv); *s != NUL; ++s)
{
if (*s == '\n')
c = putc(NUL, fd);
else
c = putc(*s, fd);
if (c == EOF)
{
ret = FAIL;
break;
}
}
if (!binary || li->li_next != NULL)
if (putc('\n', fd) == EOF)
{
ret = FAIL;
break;
}
if (ret == FAIL)
{
EMSG(_(e_write));
break;
}
}
return ret;
}
/*
* "writefile()" function
*/
@@ -19183,10 +19235,7 @@ f_writefile(argvars, rettv)
int binary = FALSE;
char_u *fname;
FILE *fd;
listitem_T *li;
char_u *s;
int ret = 0;
int c;
if (check_restricted() || check_secure())
return;
@@ -19213,33 +19262,8 @@ f_writefile(argvars, rettv)
}
else
{
for (li = argvars[0].vval.v_list->lv_first; li != NULL;
li = li->li_next)
{
for (s = get_tv_string(&li->li_tv); *s != NUL; ++s)
{
if (*s == '\n')
c = putc(NUL, fd);
else
c = putc(*s, fd);
if (c == EOF)
{
ret = -1;
break;
}
}
if (!binary || li->li_next != NULL)
if (putc('\n', fd) == EOF)
{
ret = -1;
break;
}
if (ret < 0)
{
EMSG(_(e_write));
break;
}
}
if (write_list(fd, argvars[0].vval.v_list, binary) == FAIL)
ret = -1;
fclose(fd);
}