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-rw-r--r--src/nvim/term.c157
1 files changed, 53 insertions, 104 deletions
diff --git a/src/nvim/term.c b/src/nvim/term.c
index b1d751e00a..98db1fb9fa 100644
--- a/src/nvim/term.c
+++ b/src/nvim/term.c
@@ -152,7 +152,7 @@ char *UP, *BC, PC;
# define TGETENT(b, t) tgetent((char *)(b), (char *)(t))
#endif /* HAVE_TGETENT */
-static int detected_8bit = FALSE; /* detected 8-bit terminal */
+static bool detected_8bit = false; // detected 8-bit terminal
static struct builtin_term builtin_termcaps[] =
{
@@ -1138,15 +1138,13 @@ static struct builtin_term builtin_termcaps[] =
*/
char_u *(term_strings[(int)KS_LAST + 1]);
-static int need_gather = FALSE; /* need to fill termleader[] */
-static char_u termleader[256 + 1]; /* for check_termcode() */
-static int check_for_codes = FALSE; /* check for key code response */
+static bool need_gather = false; // need to fill termleader[]
+static char_u termleader[256 + 1]; // for check_termcode()
+static bool check_for_codes = false; // check for key code response
static struct builtin_term *find_builtin_term(char_u *term)
{
- struct builtin_term *p;
-
- p = builtin_termcaps;
+ struct builtin_term *p = builtin_termcaps;
while (p->bt_string != NULL) {
if (p->bt_entry == (int)KS_NAME) {
#ifdef UNIX
@@ -1171,12 +1169,10 @@ static struct builtin_term *find_builtin_term(char_u *term)
*/
static void parse_builtin_tcap(char_u *term)
{
- struct builtin_term *p;
char_u name[2];
- int term_8bit;
- p = find_builtin_term(term);
- term_8bit = term_is_8bit(term);
+ struct builtin_term *p = find_builtin_term(term);
+ bool term_8bit = term_is_8bit(term);
/* Do not parse if builtin term not found */
if (p->bt_string == NULL)
@@ -1251,7 +1247,6 @@ static char *(key_names[]) =
*/
int set_termname(char_u *term)
{
- struct builtin_term *termp;
#ifdef HAVE_TGETENT
int builtin_first = p_tbi;
int try;
@@ -1265,7 +1260,7 @@ int set_termname(char_u *term)
if (silent_mode)
return OK;
- detected_8bit = FALSE; /* reset 8-bit detection */
+ detected_8bit = false; // reset 8-bit detection
if (term_is_builtin(term)) {
term += 8;
@@ -1409,7 +1404,7 @@ int set_termname(char_u *term)
/*
* search for 'term' in builtin_termcaps[]
*/
- termp = find_builtin_term(term);
+ struct builtin_term *termp = find_builtin_term(term);
if (termp->bt_string == NULL) { /* did not find it */
#ifdef HAVE_TGETENT
/*
@@ -1529,9 +1524,7 @@ int set_termname(char_u *term)
* The termcode for the mouse is added as a side effect in option.c.
*/
{
- char_u *p;
-
- p = (char_u *)"";
+ char_u *p = (char_u *)"";
if (use_xterm_like_mouse(term)) {
if (use_xterm_mouse())
p = NULL; /* keep existing value, might be "xterm2" */
@@ -1610,13 +1603,11 @@ int set_termname(char_u *term)
check_map_keycodes(); /* check mappings for terminal codes used */
{
- buf_T *old_curbuf;
-
/*
* Execute the TermChanged autocommands for each buffer that is
* loaded.
*/
- old_curbuf = curbuf;
+ buf_T *old_curbuf = curbuf;
for (curbuf = firstbuf; curbuf != NULL; curbuf = curbuf->b_next) {
if (curbuf->b_ml.ml_mfp != NULL)
apply_autocmds(EVENT_TERMCHANGED, NULL, NULL, FALSE,
@@ -1647,10 +1638,8 @@ set_mouse_termcode (
char_u *s
)
{
- char_u name[2];
+ char_u name[2] = { n, KE_FILLER };
- name[0] = n;
- name[1] = KE_FILLER;
add_termcode(name, s, FALSE);
if (n == KS_NETTERM_MOUSE)
has_mouse_termcode |= HMT_NETTERM;
@@ -1670,10 +1659,8 @@ del_mouse_termcode (
int n /* KS_MOUSE, KS_NETTERM_MOUSE or KS_DEC_MOUSE */
)
{
- char_u name[2];
+ char_u name[2] = { n, KE_FILLER };
- name[0] = n;
- name[1] = KE_FILLER;
del_termcode(name);
if (n == KS_NETTERM_MOUSE)
has_mouse_termcode &= ~HMT_NETTERM;
@@ -1695,9 +1682,7 @@ del_mouse_termcode (
*/
static char_u *tgetent_error(char_u *tbuf, char_u *term)
{
- int i;
-
- i = TGETENT(tbuf, term);
+ int i = TGETENT(tbuf, term);
if (i < 0 /* -1 is always an error */
# ifdef TGETENT_ZERO_ERR
|| i == 0 /* sometimes zero is also an error */
@@ -1728,9 +1713,7 @@ static char_u *tgetent_error(char_u *tbuf, char_u *term)
*/
static char_u *vim_tgetstr(char *s, char_u **pp)
{
- char *p;
-
- p = tgetstr(s, (char **)pp);
+ char *p = tgetstr(s, (char **)pp);
if (p == (char *)-1)
p = NULL;
return (char_u *)p;
@@ -1868,11 +1851,11 @@ static int term_is_builtin(char_u *name)
}
/*
- * Return TRUE if terminal "name" uses CSI instead of <Esc>[.
+ * Return true if terminal "name" uses CSI instead of <Esc>[.
* Assume that the terminal is using 8-bit controls when the name contains
* "8bit", like in "xterm-8bit".
*/
-int term_is_8bit(char_u *name)
+bool term_is_8bit(char_u *name)
{
return detected_8bit || strstr((char *)name, "8bit") != NULL;
}
@@ -1902,9 +1885,7 @@ static int term_7to8bit(char_u *p)
char_u *tltoa(unsigned long i)
{
static char_u buf[16];
- char_u *p;
-
- p = buf + 15;
+ char_u *p = buf + 15;
*p = '\0';
do {
--p;
@@ -1925,19 +1906,18 @@ char_u *tltoa(unsigned long i)
static char *tgoto(char *cm, int x, int y)
{
static char buf[30];
- char *p, *s, *e;
if (!cm)
return "OOPS";
- e = buf + 29;
- for (s = buf; s < e && *cm; cm++) {
+ char *e = buf + 29;
+ for (char *s = buf; s < e && *cm; cm++) {
if (*cm != '%') {
*s++ = *cm;
continue;
}
switch (*++cm) {
case 'd':
- p = (char *)tltoa((unsigned long)y);
+ char *p = (char *)tltoa((unsigned long)y);
y = x;
while (*p)
*s++ = *p++;
@@ -1970,11 +1950,9 @@ static char *tgoto(char *cm, int x, int y)
*/
void termcapinit(char_u *name)
{
- char_u *term;
-
if (name != NULL && *name == NUL)
name = NULL; /* empty name is equal to no name */
- term = name;
+ char_u *term = name;
if (term == NULL)
term = (char_u *)os_getenv("TERM");
@@ -2005,11 +1983,9 @@ static int out_pos = 0; /* number of chars in out_buf */
*/
void out_flush(void)
{
- int len;
-
if (out_pos != 0) {
/* set out_pos to 0 before ui_write, to avoid recursiveness */
- len = out_pos;
+ int len = out_pos;
out_pos = 0;
ui_write(out_buf, len);
}
@@ -2294,7 +2270,7 @@ void ttest(int pairs)
/* Set 'weirdinvert' according to value of 't_xs' */
p_wiv = (*T_XS != NUL);
}
- need_gather = TRUE;
+ need_gather = true;
/* Set t_colors to the value of t_Co. */
t_colors = atoi((char *)T_CCO);
@@ -2311,16 +2287,13 @@ void ttest(int pairs)
*/
static int get_long_from_buf(char_u *buf, long_u *val)
{
- int len;
char_u bytes[sizeof(long_u)];
- int i;
- int shift;
*val = 0;
- len = get_bytes_from_buf(buf, bytes, (int)sizeof(long_u));
+ int len = get_bytes_from_buf(buf, bytes, (int)sizeof(long_u));
if (len != -1) {
- for (i = 0; i < (int)sizeof(long_u); i++) {
- shift = 8 * (sizeof(long_u) - 1 - i);
+ for (int i = 0; i < (int)sizeof(long_u); i++) {
+ int shift = 8 * (sizeof(long_u) - 1 - i);
*val += (long_u)bytes[i] << shift;
}
}
@@ -2340,10 +2313,9 @@ static int get_long_from_buf(char_u *buf, long_u *val)
static int get_bytes_from_buf(char_u *buf, char_u *bytes, int num_bytes)
{
int len = 0;
- int i;
char_u c;
- for (i = 0; i < num_bytes; i++) {
+ for (int i = 0; i < num_bytes; i++) {
if ((c = buf[len++]) == NUL)
return -1;
if (c == K_SPECIAL) {
@@ -2705,13 +2677,12 @@ void may_req_ambiguous_char_width(void)
static void log_tr(char *msg) {
static FILE *fd_tr = NULL;
static proftime_T start;
- proftime_T now;
if (fd_tr == NULL) {
fd_tr = fopen("termresponse.log", "w");
profile_start(&start);
}
- now = start;
+ proftime_T now = start;
profile_end(&now);
fprintf(fd_tr, "%s: %s %s\n",
profile_msg(&now),
@@ -2776,9 +2747,7 @@ void setmouse(void)
*/
int mouse_has(int c)
{
- char_u *p;
-
- for (p = p_mouse; *p; ++p)
+ for (char_u *p = p_mouse; *p; ++p)
switch (*p) {
case 'a': if (vim_strchr((char_u *)MOUSE_A, c) != NULL)
return TRUE;
@@ -2916,7 +2885,7 @@ void clear_termcodes(void)
ospeed = 0;
#endif
- need_gather = TRUE; /* need to fill termleader[] */
+ need_gather = true; // need to fill termleader[]
}
#define ATC_FROM_TERM 55
@@ -2931,24 +2900,22 @@ void add_termcode(char_u *name, char_u *string, int flags)
{
struct termcode *new_tc;
int i, j;
- char_u *s;
- int len;
if (string == NULL || *string == NUL) {
del_termcode(name);
return;
}
- s = vim_strsave(string);
+ char_u *s = vim_strsave(string);
/* Change leading <Esc>[ to CSI, change <Esc>O to <M-O>. */
if (flags != 0 && flags != ATC_FROM_TERM && term_7to8bit(string) != 0) {
STRMOVE(s, s + 1);
s[0] = term_7to8bit(string);
}
- len = (int)STRLEN(s);
+ int len = (int)STRLEN(s);
- need_gather = TRUE; /* need to fill termleader[] */
+ need_gather = true; // need to fill termleader[]
/*
* need to make space for more entries
@@ -3039,9 +3006,7 @@ static int termcode_star(char_u *code, int len)
char_u *find_termcode(char_u *name)
{
- int i;
-
- for (i = 0; i < tc_len; ++i)
+ for (int i = 0; i < tc_len; ++i)
if (termcodes[i].name[0] == name[0] && termcodes[i].name[1] == name[1])
return termcodes[i].code;
return NULL;
@@ -3056,14 +3021,12 @@ char_u *get_termcode(int i)
void del_termcode(char_u *name)
{
- int i;
-
if (termcodes == NULL) /* nothing there yet */
return;
- need_gather = TRUE; /* need to fill termleader[] */
+ need_gather = true; // need to fill termleader[]
- for (i = 0; i < tc_len; ++i)
+ for (int i = 0; i < tc_len; ++i)
if (termcodes[i].name[0] == name[0] && termcodes[i].name[1] == name[1]) {
del_termcode_idx(i);
return;
@@ -3073,11 +3036,9 @@ void del_termcode(char_u *name)
static void del_termcode_idx(int idx)
{
- int i;
-
free(termcodes[idx].code);
--tc_len;
- for (i = idx; i < tc_len; ++i)
+ for (int i = idx; i < tc_len; ++i)
termcodes[i] = termcodes[i + 1];
}
@@ -3087,21 +3048,18 @@ static void del_termcode_idx(int idx)
*/
static void switch_to_8bit(void)
{
- int i;
- int c;
-
/* Only need to do something when not already using 8-bit codes. */
if (!term_is_8bit(T_NAME)) {
- for (i = 0; i < tc_len; ++i) {
- c = term_7to8bit(termcodes[i].code);
+ for (int i = 0; i < tc_len; ++i) {
+ int c = term_7to8bit(termcodes[i].code);
if (c != 0) {
STRMOVE(termcodes[i].code + 1, termcodes[i].code + 2);
termcodes[i].code[0] = c;
}
}
- need_gather = TRUE; /* need to fill termleader[] */
+ need_gather = true; // need to fill termleader[]
}
- detected_8bit = TRUE;
+ detected_8bit = true;
LOG_TR("Switching to 8 bit");
}
@@ -3442,7 +3400,7 @@ int check_termcode(int max_offset, char_u *buf, int bufsize, int *buflen)
if (extra >= 141) {
LOG_TR("Enable checking for XT codes");
check_for_codes = TRUE;
- need_gather = TRUE;
+ need_gather = true;
req_codes_from_term();
}
}
@@ -4160,10 +4118,9 @@ replace_termcodes (
*/
int find_term_bykeys(char_u *src)
{
- int i;
int slen = (int)STRLEN(src);
- for (i = 0; i < tc_len; ++i) {
+ for (int i = 0; i < tc_len; ++i) {
if (slen == termcodes[i].len
&& STRNCMP(termcodes[i].code, src, (size_t)slen) == 0)
return i;
@@ -4177,7 +4134,6 @@ int find_term_bykeys(char_u *src)
*/
static void gather_termleader(void)
{
- int i;
int len = 0;
if (check_for_codes)
@@ -4185,13 +4141,13 @@ static void gather_termleader(void)
in 8-bit mode */
termleader[len] = NUL;
- for (i = 0; i < tc_len; ++i)
+ for (int i = 0; i < tc_len; ++i)
if (vim_strchr(termleader, termcodes[i].code[0]) == NULL) {
termleader[len++] = termcodes[i].code[0];
termleader[len] = NUL;
}
- need_gather = FALSE;
+ need_gather = false;
}
/*
@@ -4406,7 +4362,7 @@ static void got_code_from_term(char_u *code, int len)
str[j] = NUL;
if (name[0] == 'C' && name[1] == 'o') {
/* Color count is not a key code. */
- i = atoi((char *)str);
+ int i = atoi((char *)str);
if (i != t_colors) {
/* Nr of colors changed, initialize highlighting and
* redraw everything. This causes a redraw, which usually
@@ -4502,31 +4458,24 @@ translate_mapping (
)
{
garray_T ga;
- int c;
- int modifiers;
- int cpo_bslash;
- int cpo_special;
- int cpo_keycode;
-
ga_init(&ga, 1, 40);
- cpo_bslash = (vim_strchr(p_cpo, CPO_BSLASH) != NULL);
- cpo_special = (vim_strchr(p_cpo, CPO_SPECI) != NULL);
- cpo_keycode = (vim_strchr(p_cpo, CPO_KEYCODE) == NULL);
+ int cpo_bslash = (vim_strchr(p_cpo, CPO_BSLASH) != NULL);
+ int cpo_special = (vim_strchr(p_cpo, CPO_SPECI) != NULL);
+ int cpo_keycode = (vim_strchr(p_cpo, CPO_KEYCODE) == NULL);
for (; *str; ++str) {
- c = *str;
+ int c = *str;
if (c == K_SPECIAL && str[1] != NUL && str[2] != NUL) {
- modifiers = 0;
+ int modifiers = 0;
if (str[1] == KS_MODIFIER) {
str++;
modifiers = *++str;
c = *++str;
}
if (cpo_special && cpo_keycode && c == K_SPECIAL && !modifiers) {
- int i;
-
/* try to find special key in termcodes */
+ int i;
for (i = 0; i < tc_len; ++i)
if (termcodes[i].name[0] == str[1]
&& termcodes[i].name[1] == str[2])