diff options
Diffstat (limited to 'src/nvim/optionstr.c')
| -rw-r--r-- | src/nvim/optionstr.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/nvim/optionstr.c b/src/nvim/optionstr.c index 3372c7b6c6..6c6190cb08 100644 --- a/src/nvim/optionstr.c +++ b/src/nvim/optionstr.c @@ -67,6 +67,8 @@ static const char e_backupext_and_patchmode_are_equal[] = N_("E589: 'backupext' and 'patchmode' are equal"); static const char e_showbreak_contains_unprintable_or_wide_character[] = N_("E595: 'showbreak' contains unprintable or wide character"); +static const char e_internal_error_shortmess_too_long[] + = N_("E1336: Internal error: shortmess too long"); static char *(p_ambw_values[]) = { "single", "double", NULL }; static char *(p_bg_values[]) = { "light", "dark", NULL }; @@ -1941,6 +1943,37 @@ int check_ff_value(char *p) return check_opt_strings(p, p_ff_values, false); } +static char shm_buf[SHM_LEN]; +static int set_shm_recursive = 0; + +/// Save the acutal shortmess Flags and clear them +/// temporarily to avoid that file messages +/// overwrites any output from the following commands. +/// +/// Caller must make sure to first call save_clear_shm_value() and then +/// restore_shm_value() exactly the same number of times. +void save_clear_shm_value(void) +{ + if (strlen(p_shm) >= SHM_LEN) { + iemsg(e_internal_error_shortmess_too_long); + return; + } + + if (++set_shm_recursive == 1) { + STRCPY(shm_buf, p_shm); + set_option_value_give_err("shm", 0L, "", 0); + } +} + +/// Restore the shortmess Flags set from the save_clear_shm_value() function. +void restore_shm_value(void) +{ + if (--set_shm_recursive == 0) { + set_option_value_give_err("shm", 0L, shm_buf, 0); + memset(shm_buf, 0, SHM_LEN); + } +} + static const char e_conflicts_with_value_of_listchars[] = N_("E834: Conflicts with value of 'listchars'"); static const char e_conflicts_with_value_of_fillchars[] |