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-rw-r--r--st.c79
1 files changed, 42 insertions, 37 deletions
diff --git a/st.c b/st.c
index f56667b..b1db093 100644
--- a/st.c
+++ b/st.c
@@ -6,6 +6,7 @@
#include <limits.h>
#include <locale.h>
#include <stdarg.h>
+#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@@ -79,6 +80,10 @@ enum { WIN_VISIBLE=1, WIN_REDRAW=2, WIN_FOCUSED=4 };
#undef B0
enum { B0=1, B1=2, B2=4, B3=8, B4=16, B5=32, B6=64, B7=128 };
+typedef unsigned char uchar;
+typedef unsigned int uint;
+typedef unsigned long ulong;
+
typedef struct {
char c[UTF_SIZ]; /* character code */
char mode; /* attribute flags */
@@ -113,7 +118,7 @@ typedef struct {
int col; /* nb col */
Line* line; /* screen */
Line* alt; /* alternate screen */
- char* dirty; /* dirtyness of lines */
+ bool* dirty; /* dirtyness of lines */
TCursor c; /* cursor */
int top; /* top scroll limit */
int bot; /* bottom scroll limit */
@@ -145,13 +150,13 @@ typedef struct {
typedef struct {
KeySym k;
- unsigned int mask;
+ uint mask;
char s[ESC_BUF_SIZ];
} Key;
/* Drawing Context */
typedef struct {
- unsigned long col[256];
+ ulong col[256];
GC gc;
struct {
int ascent;
@@ -182,7 +187,7 @@ static void drawregion(int, int, int, int);
static void execsh(void);
static void sigchld(int);
static void run(void);
-static int last_draw_too_old(void);
+static bool last_draw_too_old(void);
static void csidump(void);
static void csihandle(void);
@@ -229,7 +234,7 @@ static void xresize(int, int);
static void expose(XEvent *);
static void visibility(XEvent *);
static void unmap(XEvent *);
-static char* kmap(KeySym, unsigned int);
+static char* kmap(KeySym, uint);
static void kpress(XEvent *);
static void cmessage(XEvent *);
static void resize(XEvent *);
@@ -241,7 +246,7 @@ static void selnotify(XEvent *);
static void selrequest(XEvent *);
static void selinit(void);
-static inline int selected(int, int);
+static inline bool selected(int, int);
static void selcopy(void);
static void selpaste();
static void selscroll(int, int);
@@ -282,31 +287,31 @@ static char *opt_class = NULL;
int
utf8decode(char *s, long *u) {
- unsigned char c;
+ uchar c;
int i, n, rtn;
rtn = 1;
c = *s;
- if(~c&B7) { /* 0xxxxxxx */
+ if(~c & B7) { /* 0xxxxxxx */
*u = c;
return rtn;
- } else if((c&(B7|B6|B5)) == (B7|B6)) { /* 110xxxxx */
+ } else if((c & (B7|B6|B5)) == (B7|B6)) { /* 110xxxxx */
*u = c&(B4|B3|B2|B1|B0);
n = 1;
- } else if((c&(B7|B6|B5|B4)) == (B7|B6|B5)) { /* 1110xxxx */
+ } else if((c & (B7|B6|B5|B4)) == (B7|B6|B5)) { /* 1110xxxx */
*u = c&(B3|B2|B1|B0);
n = 2;
- } else if((c&(B7|B6|B5|B4|B3)) == (B7|B6|B5|B4)) { /* 11110xxx */
- *u = c&(B2|B1|B0);
+ } else if((c & (B7|B6|B5|B4|B3)) == (B7|B6|B5|B4)) { /* 11110xxx */
+ *u = c & (B2|B1|B0);
n = 3;
} else
goto invalid;
- for(i=n,++s; i>0; --i,++rtn,++s) {
+ for(i = n, ++s; i > 0; --i, ++rtn, ++s) {
c = *s;
- if((c&(B7|B6)) != B7) /* 10xxxxxx */
+ if((c & (B7|B6)) != B7) /* 10xxxxxx */
goto invalid;
*u <<= 6;
- *u |= c&(B5|B4|B3|B2|B1|B0);
+ *u |= c & (B5|B4|B3|B2|B1|B0);
}
if((n == 1 && *u < 0x80) ||
(n == 2 && *u < 0x800) ||
@@ -321,11 +326,11 @@ invalid:
int
utf8encode(long *u, char *s) {
- unsigned char *sp;
- unsigned long uc;
+ uchar *sp;
+ ulong uc;
int i, n;
- sp = (unsigned char*) s;
+ sp = (uchar*) s;
uc = *u;
if(uc < 0x80) {
*sp = uc; /* 0xxxxxxx */
@@ -357,11 +362,11 @@ invalid:
UTF-8 otherwise return 0 */
int
isfullutf8(char *s, int b) {
- unsigned char *c1, *c2, *c3;
+ uchar *c1, *c2, *c3;
- c1 = (unsigned char *) s;
- c2 = (unsigned char *) ++s;
- c3 = (unsigned char *) ++s;
+ c1 = (uchar *) s;
+ c2 = (uchar *) ++s;
+ c3 = (uchar *) ++s;
if(b < 1)
return 0;
else if((*c1&(B7|B6|B5)) == (B7|B6) && b == 1)
@@ -381,7 +386,7 @@ isfullutf8(char *s, int b) {
int
utf8size(char *s) {
- unsigned char c = *s;
+ uchar c = *s;
if(~c&B7)
return 1;
@@ -405,7 +410,7 @@ selinit(void) {
sel.xtarget = XA_STRING;
}
-static inline int
+static inline bool
selected(int x, int y) {
if(sel.ey == y && sel.by == y) {
int bx = MIN(sel.bx, sel.ex);
@@ -504,9 +509,9 @@ selcopy(void) {
void
selnotify(XEvent *e) {
- unsigned long nitems, ofs, rem;
+ ulong nitems, ofs, rem;
int format;
- unsigned char *data;
+ uchar *data;
Atom type;
ofs = 0;
@@ -550,12 +555,12 @@ selrequest(XEvent *e) {
Atom string = sel.xtarget;
XChangeProperty(xsre->display, xsre->requestor, xsre->property,
XA_ATOM, 32, PropModeReplace,
- (unsigned char *) &string, 1);
+ (uchar *) &string, 1);
xev.property = xsre->property;
} else if(xsre->target == sel.xtarget && sel.clip != NULL) {
XChangeProperty(xsre->display, xsre->requestor, xsre->property,
xsre->target, 8, PropModeReplace,
- (unsigned char *) sel.clip, strlen(sel.clip));
+ (uchar *) sel.clip, strlen(sel.clip));
xev.property = xsre->property;
}
@@ -636,7 +641,7 @@ bmotion(XEvent *e) {
if(oldey != sel.ey || oldex != sel.ex) {
int starty = MIN(oldey, sel.ey);
int endy = MAX(oldey, sel.ey);
- for(int i=starty; i<=endy; i++)
+ for(int i = starty; i <= endy; i++)
term.dirty[i] = 1;
draw();
}
@@ -1444,7 +1449,7 @@ tputc(char *c) {
break;
default:
fprintf(stderr, "erresc: unknown sequence ESC 0x%02X '%c'\n",
- (unsigned char) ascii, isprint(ascii)?ascii:'.');
+ (uchar) ascii, isprint(ascii)?ascii:'.');
term.esc = 0;
}
}
@@ -1582,7 +1587,7 @@ void
xloadcols(void) {
int i, r, g, b;
XColor color;
- unsigned long white = WhitePixel(xw.dpy, xw.scr);
+ ulong white = WhitePixel(xw.dpy, xw.scr);
for(i = 0; i < LEN(colorname); i++) {
if(!XAllocNamedColor(xw.dpy, xw.cmap, colorname[i], &color, &color)) {
@@ -1756,7 +1761,7 @@ xinit(void) {
void
xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
- unsigned long xfg = dc.col[base.fg], xbg = dc.col[base.bg], temp;
+ ulong xfg = dc.col[base.fg], xbg = dc.col[base.bg], temp;
int winx = x*xw.cw, winy = y*xw.ch + dc.font.ascent, width = charlen*xw.cw;
int i;
@@ -1776,7 +1781,7 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
if(base.mode & ATTR_GFX) {
for(i = 0; i < bytelen; i++) {
- char c = gfx[(unsigned int)s[i] % 256];
+ char c = gfx[(uint)s[i] % 256];
if(c)
s[i] = c;
else if(s[i] > 0x5f)
@@ -1929,11 +1934,11 @@ focus(XEvent *ev) {
}
char*
-kmap(KeySym k, unsigned int state) {
+kmap(KeySym k, uint state) {
int i;
state &= ~Mod2Mask;
for(i = 0; i < LEN(key); i++) {
- unsigned int mask = key[i].mask;
+ uint mask = key[i].mask;
if(key[i].k == k && ((state & mask) == mask || (mask == XK_NO_MOD && !state)))
return (char*)key[i].s;
}
@@ -2024,7 +2029,7 @@ resize(XEvent *e) {
xresize(col, row);
}
-int
+bool
last_draw_too_old(void) {
struct timeval now;
gettimeofday(&now, NULL);
@@ -2037,7 +2042,7 @@ run(void) {
fd_set rfd;
int xfd = XConnectionNumber(xw.dpy);
struct timeval timeout = {0};
- int stuff_to_print = 0;
+ bool stuff_to_print = 0;
for(;;) {
FD_ZERO(&rfd);
generated by cgit v1.2.3 (git 2.46.0) at 2024-11-01 13:28:11 +0000