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patch 8.0.0952: has('terminal') does not check existence of dll file

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Problem:    MS-Windows: has('terminal') does not check existence of dll file.
Solution:   Check if the winpty dll file can be loaded. (Ken Takata)
This commit is contained in:
Bram Moolenaar
2017-08-17 14:39:07 +02:00
parent 84ed4ad084
commit a83e3962ac
4 changed files with 31 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
src/evalfunc.c
View File

@@ -5926,7 +5926,7 @@ f_has(typval_T *argvars, typval_T *rettv)
#ifdef FEAT_TERMGUICOLORS
"termguicolors",
#endif
#ifdef FEAT_TERMINAL
#if defined(FEAT_TERMINAL) && !defined(WIN3264)
"terminal",
#endif
#ifdef TERMINFO
@@ -6133,6 +6133,10 @@ f_has(typval_T *argvars, typval_T *rettv)
#ifdef FEAT_NETBEANS_INTG
else if (STRICMP(name, "netbeans_enabled") == 0)
n = netbeans_active();
#endif
#if defined(FEAT_TERMINAL) && defined(WIN3264)
else if (STRICMP(name, "terminal") == 0)
n = terminal_enabled();
#endif
}

1
src/proto/terminal.pro
View File

@@ -34,4 +34,5 @@ void f_term_scrape(typval_T *argvars, typval_T *rettv);
void f_term_sendkeys(typval_T *argvars, typval_T *rettv);
void f_term_start(typval_T *argvars, typval_T *rettv);
void f_term_wait(typval_T *argvars, typval_T *rettv);
int terminal_enabled(void);
/* vim: set ft=c : */

31
src/terminal.c
View File

@@ -2709,12 +2709,14 @@ f_term_wait(typval_T *argvars, typval_T *rettv UNUSED)
}
}
# ifdef WIN3264
# if defined(WIN3264) || defined(PROTO)
/**************************************
* 2. MS-Windows implementation.
*/
# ifndef PROTO
#define WINPTY_SPAWN_FLAG_AUTO_SHUTDOWN 1ul
#define WINPTY_SPAWN_FLAG_EXIT_AFTER_SHUTDOWN 2ull
@@ -2737,9 +2739,10 @@ HANDLE (*winpty_agent_process)(void*);
#define WINPTY_DLL "winpty.dll"
static HINSTANCE hWinPtyDLL = NULL;
# endif
int
dyn_winpty_init(void)
static int
dyn_winpty_init(int verbose)
{
int i;
static struct
@@ -2768,7 +2771,7 @@ dyn_winpty_init(void)
/* No need to initialize twice. */
if (hWinPtyDLL)
return 1;
return OK;
/* Load winpty.dll, prefer using the 'winptydll' option, fall back to just
* winpty.dll. */
if (*p_winptydll != NUL)
@@ -2777,8 +2780,10 @@ dyn_winpty_init(void)
hWinPtyDLL = vimLoadLib(WINPTY_DLL);
if (!hWinPtyDLL)
{
EMSG2(_(e_loadlib), *p_winptydll != NUL ? p_winptydll : WINPTY_DLL);
return 0;
if (verbose)
EMSG2(_(e_loadlib), *p_winptydll != NUL ? p_winptydll
: (char_u *)WINPTY_DLL);
return FAIL;
}
for (i = 0; winpty_entry[i].name != NULL
&& winpty_entry[i].ptr != NULL; ++i)
@@ -2786,12 +2791,13 @@ dyn_winpty_init(void)
if ((*winpty_entry[i].ptr = (FARPROC)GetProcAddress(hWinPtyDLL,
winpty_entry[i].name)) == NULL)
{
if (verbose)
EMSG2(_(e_loadfunc), winpty_entry[i].name);
return 0;
return FAIL;
}
}
return 1;
return OK;
}
/*
@@ -2813,7 +2819,7 @@ term_and_job_init(term_T *term, int rows, int cols, typval_T *argvar, jobopt_T *
garray_T ga;
char_u *cmd;
if (!dyn_winpty_init())
if (dyn_winpty_init(TRUE) == FAIL)
return FAIL;
if (argvar->v_type == VAR_STRING)
@@ -2977,6 +2983,13 @@ term_report_winsize(term_T *term, int rows, int cols)
winpty_set_size(term->tl_winpty, cols, rows, NULL);
}
int
terminal_enabled(void)
{
return dyn_winpty_init(FALSE) == OK;
}
# else
/**************************************

2
src/version.c
View File

@@ -769,6 +769,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
952,
/**/
951,
/**/