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haikuports/dev-libs/libvterm/patches/libvterm-0.0.681.patchset
Adrien Destugues 42fd3574ba Recipe for libvterm.
To be used in SerialConnect.
2017-04-30 13:41:15 +02:00

1059 lines
32 KiB
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From e7a03bde1c459e52efd694d4f8fc66e0cd945ee6 Mon Sep 17 00:00:00 2001
From: Adrien Destugues <pulkomandy@pulkomandy.tk>
Date: Sun, 30 Apr 2017 13:35:00 +0200
Subject: Make gcc2 happy.
This will be used in SerialConnect so we need a gcc2 version for now.
diff --git a/Makefile b/Makefile
index 56615da..8b85b03 100644
--- a/Makefile
+++ b/Makefile
@@ -8,7 +8,7 @@ ifneq ($(VERBOSE),1)
LIBTOOL +=--quiet
endif
-override CFLAGS +=-Wall -Iinclude -std=c99
+override CFLAGS +=-Wall -Iinclude -std=gnu9x
ifeq ($(shell uname),SunOS)
override CFLAGS +=-D__EXTENSIONS__ -D_XPG6 -D__XOPEN_OR_POSIX
diff --git a/bin/unterm.c b/bin/unterm.c
index 37f44c0..4422152 100644
--- a/bin/unterm.c
+++ b/bin/unterm.c
@@ -25,7 +25,8 @@ static enum {
static int col2index(VTermColor target)
{
- for(int index = 0; index < 256; index++) {
+ int index;
+ for(index = 0; index < 256; index++) {
VTermColor col;
vterm_state_get_palette_color(NULL, index, &col);
if(col.red == target.red && col.green == target.green && col.blue == target.blue)
@@ -118,21 +119,27 @@ static void dump_cell(const VTermScreenCell *cell, const VTermScreenCell *prevce
break;
printf("\e[");
- for(int i = 0; i < sgri; i++)
- printf(!i ? "%d" :
+ {
+ int i;
+ for(i = 0; i < sgri; i++)
+ printf(!i ? "%d" :
sgr[i] & (1<<31) ? ":%d" :
";%d",
sgr[i] & ~(1<<31));
+ }
printf("m");
}
break;
}
- for(int i = 0; i < VTERM_MAX_CHARS_PER_CELL && cell->chars[i]; i++) {
+ {
+ int i;
+ for(i = 0; i < VTERM_MAX_CHARS_PER_CELL && cell->chars[i]; i++) {
char bytes[6];
bytes[fill_utf8(cell->chars[i], bytes)] = 0;
printf("%s", bytes);
}
+ }
}
static void dump_eol(const VTermScreenCell *prevcell)
@@ -173,9 +180,11 @@ void dump_row(int row)
static int screen_sb_pushline(int cols, const VTermScreenCell *cells, void *user)
{
VTermScreenCell prevcell = {};
+ int col;
+
vterm_state_get_default_colors(vterm_obtain_state(vt), &prevcell.fg, &prevcell.bg);
- for(int col = 0; col < cols; col++) {
+ for(col = 0; col < cols; col++) {
dump_cell(cells + col, &prevcell);
prevcell = cells[col];
}
@@ -199,10 +208,16 @@ static VTermScreenCallbacks cb_screen = {
int main(int argc, char *argv[])
{
+ int opt;
+ const char* file;
+ int fd;
+ int len;
+ char buffer[1024];
+ int row;
+
rows = 25;
cols = 80;
- int opt;
while((opt = getopt(argc, argv, "f:l:c:")) != -1) {
switch(opt) {
case 'f':
@@ -230,8 +245,8 @@ int main(int argc, char *argv[])
}
}
- const char *file = argv[optind++];
- int fd = open(file, O_RDONLY);
+ file = argv[optind++];
+ fd = open(file, O_RDONLY);
if(fd == -1) {
fprintf(stderr, "Cannot open %s - %s\n", file, strerror(errno));
exit(1);
@@ -245,13 +260,11 @@ int main(int argc, char *argv[])
vterm_screen_reset(vts, 1);
- int len;
- char buffer[1024];
while((len = read(fd, buffer, sizeof(buffer))) > 0) {
vterm_input_write(vt, buffer, len);
}
- for(int row = 0; row < rows; row++) {
+ for(row = 0; row < rows; row++) {
dump_row(row);
}
diff --git a/bin/vterm-ctrl.c b/bin/vterm-ctrl.c
index f23fc82..d818018 100644
--- a/bin/vterm-ctrl.c
+++ b/bin/vterm-ctrl.c
@@ -61,10 +61,11 @@ static char *helptext[] = {
static bool seticanon(bool icanon, bool echo)
{
struct termios termios;
+ bool ret;
tcgetattr(0, &termios);
- bool ret = (termios.c_lflag & ICANON);
+ ret = (termios.c_lflag & ICANON);
if(icanon) termios.c_lflag |= ICANON;
else termios.c_lflag &= ~ICANON;
@@ -82,6 +83,8 @@ static char *read_csi()
/* TODO: This really should be a more robust CSI parser
*/
char c;
+ char csi[32];
+ int i = 0;
/* await CSI - 8bit or 2byte 7bit form */
bool in_esc = false;
@@ -96,8 +99,6 @@ static char *read_csi()
in_esc = false;
}
- char csi[32];
- int i = 0;
for(; i < sizeof(csi)-1; i++) {
c = csi[i] = getchar();
if(c >= 0x40 && c <= 0x7e)
@@ -112,11 +113,12 @@ static char *read_csi()
static void usage(int exitcode)
{
+ char** p;
fprintf(stderr, "Control a libvterm-based terminal\n"
"\n"
"Options:\n");
- for(char **p = helptext; *p; p++)
+ for(p = helptext; *p; p++)
fprintf(stderr, " %s\n", *p);
exit(exitcode);
@@ -124,18 +126,20 @@ static void usage(int exitcode)
static bool query_dec_mode(int mode)
{
+ char *s = NULL;
+
printf("\e[?%d$p", mode);
- char *s = NULL;
do {
+ int reply_mode, reply_value;
+ char reply_cmd;
+
if(s)
free(s);
s = read_csi();
/* expect "?" mode ";" value "$y" */
- int reply_mode, reply_value;
- char reply_cmd;
/* If the sscanf format string ends in a literal, we can't tell from
* its return value if it matches. Hence we'll %c the cmd and check it
* explicitly
@@ -180,11 +184,12 @@ static void do_dec_mode(int mode, BoolQuery val, const char *name)
int main(int argc, char *argv[])
{
int argi = 1;
+ bool wasicanon;
if(argc == 1)
usage(0);
- bool wasicanon = seticanon(false, false);
+ wasicanon = seticanon(false, false);
while(argi < argc) {
const char *arg = argv[argi++];
diff --git a/bin/vterm-dump.c b/bin/vterm-dump.c
index 8a83770..bd3ebf4 100644
--- a/bin/vterm-dump.c
+++ b/bin/vterm-dump.c
@@ -108,6 +108,8 @@ static const int newline_csi_plain[] = {
static int parser_csi(const char *leader, const long args[], int argcount, const char *intermed, char command, void *user)
{
const char *name = NULL;
+ int i;
+
if(!leader && !intermed && command < 0x70)
name = name_csi_plain[command - 0x40];
else if(leader && streq(leader, "?") && !intermed) {
@@ -131,7 +133,7 @@ static int parser_csi(const char *leader, const long args[], int argcount, const
if(leader && leader[0])
printf(" %s", leader);
- for(int i = 0; i < argcount; i++) {
+ for(i = 0; i < argcount; i++) {
printf(i ? "," : " ");
if(args[i] == CSI_ARG_MISSING)
@@ -180,6 +182,11 @@ static VTermParserCallbacks parser_cbs = {
int main(int argc, char *argv[])
{
int use_colour = isatty(1);
+ const char* file;
+ int fd;
+ VTerm *vt;
+ int len;
+ char buffer[1024];
int opt;
while((opt = getopt(argc, argv, "c")) != -1) {
@@ -188,9 +195,8 @@ int main(int argc, char *argv[])
}
}
- const char *file = argv[optind++];
+ file = argv[optind++];
- int fd;
if(!file || streq(file, "-"))
fd = 0; // stdin
else {
@@ -207,12 +213,10 @@ int main(int argc, char *argv[])
}
/* Size matters not for the parser */
- VTerm *vt = vterm_new(25, 80);
+ vt = vterm_new(25, 80);
vterm_set_utf8(vt, 1);
vterm_parser_set_callbacks(vt, &parser_cbs, NULL);
- int len;
- char buffer[1024];
while((len = read(fd, buffer, sizeof(buffer))) > 0) {
vterm_input_write(vt, buffer, len);
}
diff --git a/src/encoding.c b/src/encoding.c
index 509f8b9..f807196 100644
--- a/src/encoding.c
+++ b/src/encoding.c
@@ -218,7 +218,8 @@ encodings[] = {
/* This ought to be INTERNAL but isn't because it's used by unit testing */
VTermEncoding *vterm_lookup_encoding(VTermEncodingType type, char designation)
{
- for(int i = 0; encodings[i].designation; i++)
+ int i;
+ for(i = 0; encodings[i].designation; i++)
if(encodings[i].type == type && encodings[i].designation == designation)
return encodings[i].enc;
return NULL;
diff --git a/src/keyboard.c b/src/keyboard.c
index bc1299b..1be0622 100644
--- a/src/keyboard.c
+++ b/src/keyboard.c
@@ -6,6 +6,8 @@
void vterm_keyboard_unichar(VTerm *vt, uint32_t c, VTermModifier mod)
{
+ int needs_CSIu;
+
/* The shift modifier is never important for Unicode characters
* apart from Space
*/
@@ -20,7 +22,6 @@ void vterm_keyboard_unichar(VTerm *vt, uint32_t c, VTermModifier mod)
return;
}
- int needs_CSIu;
switch(c) {
/* Special Ctrl- letters that can't be represented elsewise */
case 'i': case 'j': case 'm': case '[':
@@ -127,10 +128,11 @@ static keycodes_s keycodes_kp[] = {
void vterm_keyboard_key(VTerm *vt, VTermKey key, VTermModifier mod)
{
+ keycodes_s k;
+
if(key == VTERM_KEY_NONE)
return;
- keycodes_s k;
if(key < VTERM_KEY_FUNCTION_0) {
if(key >= sizeof(keycodes)/sizeof(keycodes[0]))
return;
diff --git a/src/parser.c b/src/parser.c
index f4b043d..467f6fd 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -22,6 +22,11 @@ static void do_string_csi(VTerm *vt, const char *args, size_t arglen, char comma
int leaderlen = 0;
char leader[CSI_LEADER_MAX];
+ int argcount = 1; // Always at least 1 arg
+ long csi_args[CSI_ARGS_MAX];
+ int argi;
+ int intermedlen = 0;
+ char intermed[CSI_INTERMED_MAX];
// Extract leader bytes 0x3c to 0x3f
for( ; i < arglen; i++) {
@@ -33,18 +38,14 @@ static void do_string_csi(VTerm *vt, const char *args, size_t arglen, char comma
leader[leaderlen] = 0;
- int argcount = 1; // Always at least 1 arg
-
for( ; i < arglen; i++)
if(args[i] == 0x3b || args[i] == 0x3a) // ; or :
argcount++;
/* TODO: Consider if these buffers should live in the VTerm struct itself */
- long csi_args[CSI_ARGS_MAX];
if(argcount > CSI_ARGS_MAX)
argcount = CSI_ARGS_MAX;
- int argi;
for(argi = 0; argi < argcount; argi++)
csi_args[argi] = CSI_ARG_MISSING;
@@ -70,9 +71,6 @@ static void do_string_csi(VTerm *vt, const char *args, size_t arglen, char comma
}
done_leader: ;
- int intermedlen = 0;
- char intermed[CSI_INTERMED_MAX];
-
for( ; i < arglen; i++) {
if((args[i] & 0xf0) != 0x20)
break;
@@ -118,6 +116,8 @@ static void append_strbuffer(VTerm *vt, const char *str, size_t len)
static size_t do_string(VTerm *vt, const char *str_frag, size_t len)
{
+ size_t eaten;
+
if(vt->strbuffer_cur) {
if(str_frag)
append_strbuffer(vt, str_frag, len);
@@ -132,8 +132,6 @@ static size_t do_string(VTerm *vt, const char *str_frag, size_t len)
vt->strbuffer_cur = 0;
- size_t eaten;
-
switch(vt->parser_state) {
case NORMAL:
if(vt->parser_callbacks && vt->parser_callbacks->text)
diff --git a/src/pen.c b/src/pen.c
index 6fd01c8..9888a33 100644
--- a/src/pen.c
+++ b/src/pen.c
@@ -144,11 +144,13 @@ static void set_pen_col_ansi(VTermState *state, VTermAttr attr, long col)
INTERNAL void vterm_state_newpen(VTermState *state)
{
+ int col;
+
// 90% grey so that pure white is brighter
state->default_fg.red = state->default_fg.green = state->default_fg.blue = 240;
state->default_bg.red = state->default_bg.green = state->default_bg.blue = 0;
- for(int col = 0; col < 16; col++)
+ for(col = 0; col < 16; col++)
state->colors[col] = ansi_colors[col];
}
diff --git a/src/screen.c b/src/screen.c
index 95ba31c..05724f8 100644
--- a/src/screen.c
+++ b/src/screen.c
@@ -80,9 +80,10 @@ static inline ScreenCell *getcell(const VTermScreen *screen, int row, int col)
static ScreenCell *realloc_buffer(VTermScreen *screen, ScreenCell *buffer, int new_rows, int new_cols)
{
ScreenCell *new_buffer = vterm_allocator_malloc(screen->vt, sizeof(ScreenCell) * new_rows * new_cols);
+ int row, col;
- for(int row = 0; row < new_rows; row++) {
- for(int col = 0; col < new_cols; col++) {
+ for(row = 0; row < new_rows; row++) {
+ for(col = 0; col < new_cols; col++) {
ScreenCell *new_cell = new_buffer + row*new_cols + col;
if(buffer && row < screen->rows && col < screen->cols)
@@ -173,11 +174,18 @@ static int putglyph(VTermGlyphInfo *info, VTermPos pos, void *user)
{
VTermScreen *screen = user;
ScreenCell *cell = getcell(screen, pos.row, pos.col);
+ int i, col;
+
+ VTermRect rect = {
+ .start_row = pos.row,
+ .end_row = pos.row+1,
+ .start_col = pos.col,
+ .end_col = pos.col+info->width,
+ };
if(!cell)
return 0;
- int i;
for(i = 0; i < VTERM_MAX_CHARS_PER_CELL && info->chars[i]; i++) {
cell->chars[i] = info->chars[i];
cell->pen = screen->pen;
@@ -185,16 +193,9 @@ static int putglyph(VTermGlyphInfo *info, VTermPos pos, void *user)
if(i < VTERM_MAX_CHARS_PER_CELL)
cell->chars[i] = 0;
- for(int col = 1; col < info->width; col++)
+ for(col = 1; col < info->width; col++)
getcell(screen, pos.row, pos.col + col)->chars[0] = (uint32_t)-1;
- VTermRect rect = {
- .start_row = pos.row,
- .end_row = pos.row+1,
- .start_col = pos.col,
- .end_col = pos.col+info->width,
- };
-
cell->pen.protected_cell = info->protected_cell;
cell->pen.dwl = info->dwl;
cell->pen.dhl = info->dhl;
@@ -207,6 +208,8 @@ static int putglyph(VTermGlyphInfo *info, VTermPos pos, void *user)
static int moverect_internal(VTermRect dest, VTermRect src, void *user)
{
VTermScreen *screen = user;
+ int row, cols, downward;
+ int init_row, test_row, inc_row;
if(screen->callbacks && screen->callbacks->sb_pushline &&
dest.start_row == 0 && dest.start_col == 0 && // starts top-left corner
@@ -221,10 +224,9 @@ static int moverect_internal(VTermRect dest, VTermRect src, void *user)
}
}
- int cols = src.end_col - src.start_col;
- int downward = src.start_row - dest.start_row;
+ cols = src.end_col - src.start_col;
+ downward = src.start_row - dest.start_row;
- int init_row, test_row, inc_row;
if(downward < 0) {
init_row = dest.end_row - 1;
test_row = dest.start_row - 1;
@@ -236,7 +238,7 @@ static int moverect_internal(VTermRect dest, VTermRect src, void *user)
inc_row = +1;
}
- for(int row = init_row; row != test_row; row += inc_row)
+ for(row = init_row; row != test_row; row += inc_row)
memmove(getcell(screen, row, dest.start_col),
getcell(screen, row + downward, src.start_col),
cols * sizeof(ScreenCell));
@@ -265,11 +267,12 @@ static int moverect_user(VTermRect dest, VTermRect src, void *user)
static int erase_internal(VTermRect rect, int selective, void *user)
{
VTermScreen *screen = user;
+ int row, col;
- for(int row = rect.start_row; row < screen->state->rows && row < rect.end_row; row++) {
+ for(row = rect.start_row; row < screen->state->rows && row < rect.end_row; row++) {
const VTermLineInfo *info = vterm_state_get_lineinfo(screen->state, row);
- for(int col = rect.start_col; col < rect.end_col; col++) {
+ for(col = rect.start_col; col < rect.end_col; col++) {
ScreenCell *cell = getcell(screen, row, col);
if(selective && cell->pen.protected_cell)
@@ -479,6 +482,7 @@ static int resize(int new_rows, int new_cols, VTermPos *delta, void *user)
int old_rows = screen->rows;
int old_cols = screen->cols;
+ int first_blank_row;
if(!is_altscreen && new_rows < old_rows) {
// Fewer rows - determine if we're going to scroll at all, and if so, push
@@ -490,7 +494,7 @@ static int resize(int new_rows, int new_cols, VTermPos *delta, void *user)
if(!vterm_screen_is_eol(screen, pos) || cursor.row == pos.row)
break;
- int first_blank_row = pos.row + 1;
+ first_blank_row = pos.row + 1;
if(first_blank_row > new_rows) {
VTermRect rect = {
.start_row = 0,
@@ -533,18 +537,19 @@ static int resize(int new_rows, int new_cols, VTermPos *delta, void *user)
if(!is_altscreen && screen->callbacks && screen->callbacks->sb_popline) {
int rows = new_rows - old_rows;
while(rows) {
- if(!(screen->callbacks->sb_popline(screen->cols, screen->sb_buffer, screen->cbdata)))
- break;
-
VTermRect rect = {
.start_row = 0,
.end_row = screen->rows,
.start_col = 0,
.end_col = screen->cols,
};
+ VTermPos pos = { 0, 0 };
+
+ if(!(screen->callbacks->sb_popline(screen->cols, screen->sb_buffer, screen->cbdata)))
+ break;
+
scrollrect(rect, -1, 0, user);
- VTermPos pos = { 0, 0 };
for(pos.col = 0; pos.col < screen->cols; pos.col += screen->sb_buffer[pos.col].width)
vterm_screen_set_cell(screen, pos, screen->sb_buffer + pos.col);
@@ -558,13 +563,15 @@ static int resize(int new_rows, int new_cols, VTermPos *delta, void *user)
}
}
- VTermRect rect = {
- .start_row = old_rows,
- .end_row = new_rows,
- .start_col = 0,
- .end_col = new_cols,
- };
- damagerect(screen, rect);
+ {
+ VTermRect rect = {
+ .start_row = old_rows,
+ .end_row = new_rows,
+ .start_col = 0,
+ .end_col = new_cols,
+ };
+ damagerect(screen, rect);
+ }
}
if(screen->callbacks && screen->callbacks->resize)
@@ -576,28 +583,31 @@ static int resize(int new_rows, int new_cols, VTermPos *delta, void *user)
static int setlineinfo(int row, const VTermLineInfo *newinfo, const VTermLineInfo *oldinfo, void *user)
{
VTermScreen *screen = user;
+ int col;
if(newinfo->doublewidth != oldinfo->doublewidth ||
newinfo->doubleheight != oldinfo->doubleheight) {
- for(int col = 0; col < screen->cols; col++) {
+ for(col = 0; col < screen->cols; col++) {
ScreenCell *cell = getcell(screen, row, col);
cell->pen.dwl = newinfo->doublewidth;
cell->pen.dhl = newinfo->doubleheight;
}
- VTermRect rect = {
- .start_row = row,
- .end_row = row + 1,
- .start_col = 0,
- .end_col = newinfo->doublewidth ? screen->cols / 2 : screen->cols,
- };
- damagerect(screen, rect);
+ {
+ VTermRect rect = {
+ .start_row = row,
+ .end_row = row + 1,
+ .start_col = 0,
+ .end_col = newinfo->doublewidth ? screen->cols / 2 : screen->cols,
+ };
+ damagerect(screen, rect);
- if(newinfo->doublewidth) {
- rect.start_col = screen->cols / 2;
- rect.end_col = screen->cols;
+ if(newinfo->doublewidth) {
+ rect.start_col = screen->cols / 2;
+ rect.end_col = screen->cols;
- erase_internal(rect, 0, user);
+ erase_internal(rect, 0, user);
+ }
}
}
@@ -619,11 +629,13 @@ static VTermStateCallbacks state_cbs = {
static VTermScreen *screen_new(VTerm *vt)
{
VTermState *state = vterm_obtain_state(vt);
+ VTermScreen *screen;
+ int rows, cols;
+
if(!state)
return NULL;
- VTermScreen *screen = vterm_allocator_malloc(vt, sizeof(VTermScreen));
- int rows, cols;
+ screen = vterm_allocator_malloc(vt, sizeof(VTermScreen));
vterm_get_size(vt, &rows, &cols);
@@ -674,6 +686,7 @@ static size_t _get_chars(const VTermScreen *screen, const int utf8, void *buffer
{
size_t outpos = 0;
int padding = 0;
+ int row, col;
#define PUT(c) \
if(utf8) { \
@@ -690,8 +703,8 @@ static size_t _get_chars(const VTermScreen *screen, const int utf8, void *buffer
outpos++; \
}
- for(int row = rect.start_row; row < rect.end_row; row++) {
- for(int col = rect.start_col; col < rect.end_col; col++) {
+ for(row = rect.start_row; row < rect.end_row; row++) {
+ for(col = rect.start_col; col < rect.end_col; col++) {
ScreenCell *cell = getcell(screen, row, col);
if(cell->chars[0] == 0)
@@ -701,11 +714,12 @@ static size_t _get_chars(const VTermScreen *screen, const int utf8, void *buffer
// Gap behind a double-width char, do nothing
;
else {
+ int i;
while(padding) {
PUT(UNICODE_SPACE);
padding--;
}
- for(int i = 0; i < VTERM_MAX_CHARS_PER_CELL && cell->chars[i]; i++) {
+ for(i = 0; i < VTERM_MAX_CHARS_PER_CELL && cell->chars[i]; i++) {
PUT(cell->chars[i]);
}
}
@@ -734,10 +748,11 @@ size_t vterm_screen_get_text(const VTermScreen *screen, char *str, size_t len, c
int vterm_screen_get_cell(const VTermScreen *screen, VTermPos pos, VTermScreenCell *cell)
{
ScreenCell *intcell = getcell(screen, pos.row, pos.col);
+ int i;
if(!intcell)
return 0;
- for(int i = 0; ; i++) {
+ for(i = 0; ; i++) {
cell->chars[i] = intcell->chars[i];
if(!intcell->chars[i])
break;
@@ -771,10 +786,12 @@ int vterm_screen_get_cell(const VTermScreen *screen, VTermPos pos, VTermScreenCe
static int vterm_screen_set_cell(VTermScreen *screen, VTermPos pos, const VTermScreenCell *cell)
{
ScreenCell *intcell = getcell(screen, pos.row, pos.col);
+ int i;
+
if(!intcell)
return 0;
- for(int i = 0; ; i++) {
+ for(i = 0; ; i++) {
intcell->chars[i] = cell->chars[i];
if(!cell->chars[i])
break;
@@ -811,10 +828,11 @@ int vterm_screen_is_eol(const VTermScreen *screen, VTermPos pos)
VTermScreen *vterm_obtain_screen(VTerm *vt)
{
+ VTermScreen *screen;
if(vt->screen)
return vt->screen;
- VTermScreen *screen = screen_new(vt);
+ screen = screen_new(vt);
vt->screen = screen;
return screen;
@@ -902,6 +920,7 @@ static int attrs_differ(VTermAttrMask attrs, ScreenCell *a, ScreenCell *b)
int vterm_screen_get_attrs_extent(const VTermScreen *screen, VTermRect *extent, VTermPos pos, VTermAttrMask attrs)
{
ScreenCell *target = getcell(screen, pos.row, pos.col);
+ int col;
// TODO: bounds check
extent->start_row = pos.row;
@@ -912,8 +931,6 @@ int vterm_screen_get_attrs_extent(const VTermScreen *screen, VTermRect *extent,
if(extent->end_col < 0)
extent->end_col = screen->cols;
- int col;
-
for(col = pos.col - 1; col >= extent->start_col; col--)
if(attrs_differ(attrs, target, getcell(screen, pos.row, col)))
break;
diff --git a/src/state.c b/src/state.c
index 84299df..84d7177 100644
--- a/src/state.c
+++ b/src/state.c
@@ -77,16 +77,17 @@ INTERNAL void vterm_state_free(VTermState *state)
static void scroll(VTermState *state, VTermRect rect, int downward, int rightward)
{
+ int rows, cols;
if(!downward && !rightward)
return;
- int rows = rect.end_row - rect.start_row;
+ rows = rect.end_row - rect.start_row;
if(downward > rows)
downward = rows;
else if(downward < -rows)
downward = -rows;
- int cols = rect.end_col - rect.start_col;
+ cols = rect.end_col - rect.start_col;
if(rightward > cols)
rightward = cols;
else if(rightward < -cols)
@@ -239,6 +240,7 @@ static int on_text(const char bytes[], size_t len, void *user)
uint32_t codepoints[len];
int npoints = 0;
size_t eaten = 0;
+ int i = 0;
VTermEncodingInstance *encoding =
state->gsingle_set ? &state->encoding[state->gsingle_set] :
@@ -259,8 +261,6 @@ static int on_text(const char bytes[], size_t len, void *user)
if(state->gsingle_set && npoints)
state->gsingle_set = 0;
- int i = 0;
-
/* This is a combining char. that needs to be merged with the previous
* glyph output */
if(vterm_unicode_is_combining(codepoints[i])) {
@@ -307,17 +307,18 @@ static int on_text(const char bytes[], size_t len, void *user)
// Try to find combining characters following this
int glyph_starts = i;
int glyph_ends;
+ int width = 0;
+
for(glyph_ends = i + 1; glyph_ends < npoints; glyph_ends++)
if(!vterm_unicode_is_combining(codepoints[glyph_ends]))
break;
- int width = 0;
-
+ {
uint32_t chars[glyph_ends - glyph_starts + 1];
for( ; i < glyph_ends; i++) {
- chars[i - glyph_starts] = codepoints[i];
int this_width = vterm_unicode_width(codepoints[i]);
+ chars[i - glyph_starts] = codepoints[i];
#ifdef DEBUG
if(this_width < 0) {
fprintf(stderr, "Text with negative-width codepoint U+%04x\n", codepoints[i]);
@@ -383,6 +384,8 @@ static int on_text(const char bytes[], size_t len, void *user)
else {
state->pos.col += width;
}
+
+ }
}
updatecursor(state, &oldpos, 0);
@@ -513,10 +516,12 @@ static int settermprop_int(VTermState *state, VTermProp prop, int v)
static int settermprop_string(VTermState *state, VTermProp prop, const char *str, size_t len)
{
char strvalue[len+1];
+ VTermValue val = {};
+
strncpy(strvalue, str, len);
strvalue[len] = 0;
- VTermValue val = { .string = strvalue };
+ val.string = strvalue;
return vterm_state_set_termprop(state, prop, &val);
}
@@ -740,8 +745,9 @@ static void set_dec_mode(VTermState *state, int num, int val)
// DECLRMM - left/right margin mode
state->mode.leftrightmargin = val;
if(val) {
+ int row;
// Setting DECVSSM must clear doublewidth/doubleheight state of every line
- for(int row = 0; row < state->rows; row++)
+ for(row = 0; row < state->rows; row++)
set_lineinfo(state, row, FORCE, DWL_OFF, DHL_OFF);
}
@@ -877,9 +883,16 @@ static void request_dec_mode(VTermState *state, int num)
static int on_csi(const char *leader, const long args[], int argcount, const char *intermed, char command, void *user)
{
VTermState *state = user;
+ VTermPos oldpos;
int leader_byte = 0;
int intermed_byte = 0;
+ // Some temporaries for later code
+ int count, val;
+ int row, col;
+ VTermRect rect;
+ int selective;
+
if(leader && leader[0]) {
if(leader[1]) // longer than 1 char
return 0;
@@ -910,13 +923,7 @@ static int on_csi(const char *leader, const long args[], int argcount, const cha
}
}
- VTermPos oldpos = state->pos;
-
- // Some temporaries for later code
- int count, val;
- int row, col;
- VTermRect rect;
- int selective;
+ oldpos = state->pos;
#define LBOUND(v,min) if((v) < (min)) (v) = (min)
#define UBOUND(v,max) if((v) > (max)) (v) = (max)
@@ -1011,6 +1018,8 @@ static int on_csi(const char *leader, const long args[], int argcount, const cha
switch(CSI_ARG(args[0])) {
case CSI_ARG_MISSING:
case 0:
+ {
+ int row;
rect.start_row = state->pos.row; rect.end_row = state->pos.row + 1;
rect.start_col = state->pos.col; rect.end_col = state->cols;
if(rect.end_col > rect.start_col)
@@ -1018,16 +1027,19 @@ static int on_csi(const char *leader, const long args[], int argcount, const cha
rect.start_row = state->pos.row + 1; rect.end_row = state->rows;
rect.start_col = 0;
- for(int row = rect.start_row; row < rect.end_row; row++)
+ for(row = rect.start_row; row < rect.end_row; row++)
set_lineinfo(state, row, FORCE, DWL_OFF, DHL_OFF);
if(rect.end_row > rect.start_row)
erase(state, rect, selective);
break;
+ }
case 1:
+ {
+ int row;
rect.start_row = 0; rect.end_row = state->pos.row;
rect.start_col = 0; rect.end_col = state->cols;
- for(int row = rect.start_row; row < rect.end_row; row++)
+ for(row = rect.start_row; row < rect.end_row; row++)
set_lineinfo(state, row, FORCE, DWL_OFF, DHL_OFF);
if(rect.end_col > rect.start_col)
erase(state, rect, selective);
@@ -1037,15 +1049,19 @@ static int on_csi(const char *leader, const long args[], int argcount, const cha
if(rect.end_row > rect.start_row)
erase(state, rect, selective);
break;
+ }
case 2:
+ {
+ int row;
rect.start_row = 0; rect.end_row = state->rows;
rect.start_col = 0; rect.end_col = state->cols;
- for(int row = rect.start_row; row < rect.end_row; row++)
+ for(row = rect.start_row; row < rect.end_row; row++)
set_lineinfo(state, row, FORCE, DWL_OFF, DHL_OFF);
erase(state, rect, selective);
break;
}
+ }
break;
case 0x4b: // EL - ECMA-48 8.3.41
@@ -1496,8 +1512,10 @@ static void request_status_string(VTermState *state, const char *command, size_t
{
long args[20];
int argc = vterm_state_getpen(state, args, sizeof(args)/sizeof(args[0]));
+ int argi;
+
vterm_push_output_sprintf_ctrl(state->vt, C1_DCS, "1$r");
- for(int argi = 0; argi < argc; argi++)
+ for(argi = 0; argi < argc; argi++)
vterm_push_output_sprintf(state->vt,
argi == argc - 1 ? "%d" :
CSI_ARG_HAS_MORE(args[argi]) ? "%d:" :
@@ -1556,6 +1574,7 @@ static int on_resize(int rows, int cols, void *user)
{
VTermState *state = user;
VTermPos oldpos = state->pos;
+ VTermPos delta = { 0, 0 };
if(cols != state->cols) {
unsigned char *newtabstops = vterm_allocator_malloc(state->vt, (cols + 7) / 8);
@@ -1608,8 +1627,6 @@ static int on_resize(int rows, int cols, void *user)
if(state->scrollregion_right > -1)
UBOUND(state->scrollregion_right, state->cols);
- VTermPos delta = { 0, 0 };
-
if(state->callbacks && state->callbacks->resize)
(*state->callbacks->resize)(rows, cols, &delta, state->cbdata);
@@ -1643,10 +1660,12 @@ static const VTermParserCallbacks parser_callbacks = {
VTermState *vterm_obtain_state(VTerm *vt)
{
+ VTermState *state;
+
if(vt->state)
return vt->state;
- VTermState *state = vterm_state_new(vt);
+ state = vterm_state_new(vt);
vt->state = state;
state->combine_chars_size = 16;
@@ -1667,6 +1686,9 @@ VTermState *vterm_obtain_state(VTerm *vt)
void vterm_state_reset(VTermState *state, int hard)
{
+ int col, row, i;
+ VTermEncoding *default_enc;
+
state->scrollregion_top = 0;
state->scrollregion_bottom = -1;
state->scrollregion_left = 0;
@@ -1684,13 +1706,13 @@ void vterm_state_reset(VTermState *state, int hard)
state->vt->mode.ctrl8bit = 0;
- for(int col = 0; col < state->cols; col++)
+ for(col = 0; col < state->cols; col++)
if(col % 8 == 0)
set_col_tabstop(state, col);
else
clear_col_tabstop(state, col);
- for(int row = 0; row < state->rows; row++)
+ for(row = 0; row < state->rows; row++)
set_lineinfo(state, row, FORCE, DWL_OFF, DHL_OFF);
if(state->callbacks && state->callbacks->initpen)
@@ -1698,11 +1720,11 @@ void vterm_state_reset(VTermState *state, int hard)
vterm_state_resetpen(state);
- VTermEncoding *default_enc = state->vt->mode.utf8 ?
+ default_enc = state->vt->mode.utf8 ?
vterm_lookup_encoding(ENC_UTF8, 'u') :
vterm_lookup_encoding(ENC_SINGLE_94, 'B');
- for(int i = 0; i < 4; i++) {
+ for(i = 0; i < 4; i++) {
state->encoding[i].enc = default_enc;
if(default_enc->init)
(*default_enc->init)(default_enc, state->encoding[i].data);
@@ -1720,11 +1742,11 @@ void vterm_state_reset(VTermState *state, int hard)
settermprop_int (state, VTERM_PROP_CURSORSHAPE, VTERM_PROP_CURSORSHAPE_BLOCK);
if(hard) {
+ VTermRect rect = { 0, state->rows, 0, state->cols };
state->pos.row = 0;
state->pos.col = 0;
state->at_phantom = 0;
- VTermRect rect = { 0, state->rows, 0, state->cols };
erase(state, rect, 0);
}
}
diff --git a/src/vterm.c b/src/vterm.c
index 826df93..46c3527 100644
--- a/src/vterm.c
+++ b/src/vterm.c
@@ -128,12 +128,13 @@ static int outbuffer_is_full(VTerm *vt)
INTERNAL void vterm_push_output_vsprintf(VTerm *vt, const char *format, va_list args)
{
+ int written;
if(outbuffer_is_full(vt)) {
DEBUG_LOG("vterm_push_output(): buffer overflow; truncating output\n");
return;
}
- int written = vsnprintf(vt->outbuffer + vt->outbuffer_cur,
+ written = vsnprintf(vt->outbuffer + vt->outbuffer_cur,
vt->outbuffer_len - vt->outbuffer_cur,
format, args);
@@ -156,13 +157,13 @@ INTERNAL void vterm_push_output_sprintf(VTerm *vt, const char *format, ...)
INTERNAL void vterm_push_output_sprintf_ctrl(VTerm *vt, unsigned char ctrl, const char *fmt, ...)
{
size_t orig_cur = vt->outbuffer_cur;
+ va_list args;
if(ctrl >= 0x80 && !vt->mode.ctrl8bit)
vterm_push_output_sprintf(vt, "\e%c", ctrl - 0x40);
else
vterm_push_output_sprintf(vt, "%c", ctrl);
- va_list args;
va_start(args, fmt);
vterm_push_output_vsprintf(vt, fmt, args);
va_end(args);
@@ -174,13 +175,13 @@ INTERNAL void vterm_push_output_sprintf_ctrl(VTerm *vt, unsigned char ctrl, cons
INTERNAL void vterm_push_output_sprintf_dcs(VTerm *vt, const char *fmt, ...)
{
size_t orig_cur = vt->outbuffer_cur;
+ va_list args;
if(!vt->mode.ctrl8bit)
vterm_push_output_sprintf(vt, "\e%c", C1_DCS - 0x40);
else
vterm_push_output_sprintf(vt, "%c", C1_DCS);
- va_list args;
va_start(args, fmt);
vterm_push_output_vsprintf(vt, fmt, args);
va_end(args);
@@ -342,6 +343,7 @@ void vterm_copy_cells(VTermRect dest,
int init_row, test_row, init_col, test_col;
int inc_row, inc_col;
+ VTermPos pos;
if(downward < 0) {
init_row = dest.end_row - 1;
@@ -365,7 +367,6 @@ void vterm_copy_cells(VTermRect dest,
inc_col = +1;
}
- VTermPos pos;
for(pos.row = init_row; pos.row != test_row; pos.row += inc_row)
for(pos.col = init_col; pos.col != test_col; pos.col += inc_col) {
VTermPos srcpos = { pos.row + downward, pos.col + rightward };
--
2.12.2