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patch 8.0.0829: job running in terminal can't communicate with Vim

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Problem:    A job running in a terminal window cannot easily communicate with
            the Vim it is running in.
Solution:   Pass v:servername in an environment variable. (closes #1908)
This commit is contained in:
Bram Moolenaar
2017-08-01 17:14:21 +02:00
parent 983b3a5bc4
commit 7da346035b
2 changed files with 11 additions and 1 deletions
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10
src/os_unix.c
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@@ -4094,6 +4094,9 @@ mch_parse_cmd(char_u *cmd, int use_shcf, char ***argv, int *argc)
#endif
#if !defined(USE_SYSTEM) || defined(FEAT_JOB_CHANNEL)
/*
* Set the environment for a child process.
*/
static void
set_child_environment(long rows, long columns, char *term)
{
@@ -4105,6 +4108,7 @@ set_child_environment(long rows, long columns, char *term)
static char envbuf_Lines[20];
static char envbuf_Columns[20];
static char envbuf_Colors[20];
static char envbuf_Servername[60];
# endif
long colors =
# ifdef FEAT_GUI
@@ -4112,7 +4116,6 @@ set_child_environment(long rows, long columns, char *term)
# endif
t_colors;
/* Simulate to have a dumb terminal (for now) */
# ifdef HAVE_SETENV
setenv("TERM", term, 1);
sprintf((char *)envbuf, "%ld", rows);
@@ -4123,10 +4126,12 @@ set_child_environment(long rows, long columns, char *term)
setenv("COLUMNS", (char *)envbuf, 1);
sprintf((char *)envbuf, "%ld", colors);
setenv("COLORS", (char *)envbuf, 1);
setenv("VIM_SERVERNAME", serverName == NULL ? "" : (char *)serverName, 1);
# else
/*
* Putenv does not copy the string, it has to remain valid.
* Use a static array to avoid losing allocated memory.
* This won't work well when running multiple children...
*/
vim_snprintf(envbuf_Term, sizeof(envbuf_Term), "TERM=%s", term);
putenv(envbuf_Term);
@@ -4139,6 +4144,9 @@ set_child_environment(long rows, long columns, char *term)
putenv(envbuf_Columns);
vim_snprintf(envbuf_Colors, sizeof(envbuf_Colors), "COLORS=%ld", colors);
putenv(envbuf_Colors);
vim_snprintf(envbuf_Servername, sizeof(envbuf_Servername),
"VIM_SERVERNAME=%s", serverName == NULL ? "" : (char *)serverName);
putenv(envbuf_Servername);
# endif
}