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cosmetic, whitespace, etc.

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master
Aurélien Aptel 13 years ago
parent df54ab0405
commit bcb7ec68c2
1 changed files with 42 additions and 37 deletions
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  1. 79
      st.c

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

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