Remove insane *_FILENO and EXIT_* usage

[st.git] / st.c

diff --git a/st.c b/st.c
index 73fe291..46c0b6e 100644 (file)
--- a/st.c
+++ b/st.c
@@ -71,7 +71,7 @@ char *argv0;
 #define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f) || (c) == '\177')
 #define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f))
 #define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c))
-#define ISDELIM(u) (BETWEEN(u, 0, 127) && strchr(worddelimiters, u) != NULL)
+#define ISDELIM(u) (utf8strchr(worddelimiters, u) != NULL)
 #define LIMIT(x, a, b)    (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
 #define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || (a).bg != (b).bg)
 #define IS_SET(flag) ((term.mode & (flag)) != 0)
@@ -191,8 +191,8 @@ typedef XftColor Color;
 typedef struct {
        Rune u;           /* character code */
        ushort mode;      /* attribute flags */
-       ushort fg;        /* foreground  */
-       ushort bg;        /* background  */
+       uint32_t fg;      /* foreground  */
+       uint32_t bg;      /* background  */
 } Glyph;
 
 typedef Glyph *Line;
@@ -473,6 +473,7 @@ static size_t utf8decode(char *, Rune *, size_t);
 static Rune utf8decodebyte(char, size_t *);
 static size_t utf8encode(Rune, char *);
 static char utf8encodebyte(Rune, size_t);
+static char *utf8strchr(char *s, Rune u);
 static size_t utf8validate(Rune *, size_t);
 
 static ssize_t xwrite(int, const char *, size_t);
@@ -512,7 +513,7 @@ static STREscape strescseq;
 static int cmdfd;
 static pid_t pid;
 static Selection sel;
-static int iofd = STDOUT_FILENO;
+static int iofd = 1;
 static char **opt_cmd = NULL;
 static char *opt_io = NULL;
 static char *opt_title = NULL;
@@ -640,6 +641,21 @@ utf8encodebyte(Rune u, size_t i) {
        return utfbyte[i] | (u & ~utfmask[i]);
 }
 
+char *
+utf8strchr(char *s, Rune u) {
+       Rune r;
+       size_t i, j, len;
+
+       len = strlen(s);
+       for(i = 0, j = 0; i < len; i += j) {
+               if(!(j = utf8decode(&s[i], &r, len - i)))
+                       break;
+               if(r == u)
+                       return &(s[i]);
+       }
+       return NULL;
+}
+
 size_t
 utf8validate(Rune *u, size_t i) {
        if(!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF))
@@ -1069,6 +1085,7 @@ void
 selclear(XEvent *e) {
        if(sel.ob.x == -1)
                return;
+       sel.mode = SEL_IDLE;
        sel.ob.x = -1;
        tsetdirt(sel.nb.y, sel.ne.y);
 }
@@ -1190,7 +1207,7 @@ die(const char *errstr, ...) {
        va_start(ap, errstr);
        vfprintf(stderr, errstr, ap);
        va_end(ap);
-       exit(EXIT_FAILURE);
+       exit(1);
 }
 
 void
@@ -1239,12 +1256,12 @@ execsh(void) {
        signal(SIGALRM, SIG_DFL);
 
        execvp(prog, args);
-       _exit(EXIT_FAILURE);
+       _exit(1);
 }
 
 void
 sigchld(int a) {
-       int stat, ret;
+       int stat;
        pid_t p;
 
        if((p = waitpid(pid, &stat, WNOHANG)) < 0)
@@ -1253,10 +1270,9 @@ sigchld(int a) {
        if(pid != p)
                return;
 
-       ret = WIFEXITED(stat) ? WEXITSTATUS(stat) : EXIT_FAILURE;
-       if (ret != EXIT_SUCCESS)
+       if (!WIFEXITED(stat) || WEXITSTATUS(stat))
                die("child finished with error '%d'\n", stat);
-       exit(EXIT_SUCCESS);
+       exit(0);
 }
 
 
@@ -1292,8 +1308,7 @@ ttynew(void) {
        if(opt_io) {
                term.mode |= MODE_PRINT;
                iofd = (!strcmp(opt_io, "-")) ?
-                         STDOUT_FILENO :
-                         open(opt_io, O_WRONLY | O_CREAT, 0666);
+                         1 : open(opt_io, O_WRONLY | O_CREAT, 0666);
                if(iofd < 0) {
                        fprintf(stderr, "Error opening %s:%s\n",
                                opt_io, strerror(errno));
@@ -1303,7 +1318,7 @@ ttynew(void) {
        if (opt_line) {
                if((cmdfd = open(opt_line, O_RDWR)) < 0)
                        die("open line failed: %s\n", strerror(errno));
-               close(STDIN_FILENO);
+               close(0);
                dup(cmdfd);
                stty();
                return;
@@ -1320,9 +1335,9 @@ ttynew(void) {
        case 0:
                close(iofd);
                setsid(); /* create a new process group */
-               dup2(s, STDIN_FILENO);
-               dup2(s, STDOUT_FILENO);
-               dup2(s, STDERR_FILENO);
+               dup2(s, 0);
+               dup2(s, 1);
+               dup2(s, 2);
                if(ioctl(s, TIOCSCTTY, NULL) < 0)
                        die("ioctl TIOCSCTTY failed: %s\n", strerror(errno));
                close(s);
@@ -3044,7 +3059,6 @@ xloadfont(Font *f, FcPattern *pattern) {
 void
 xloadfonts(char *fontstr, double fontsize) {
        FcPattern *pattern;
-       FcResult r_sz, r_psz;
        double fontval;
        float ceilf(float);
 
@@ -3063,11 +3077,11 @@ xloadfonts(char *fontstr, double fontsize) {
                FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);
                usedfontsize = fontsize;
        } else {
-               r_psz = FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval);
-               r_sz = FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval);
-               if(r_psz == FcResultMatch) {
+               if(FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) ==
+                               FcResultMatch) {
                        usedfontsize = fontval;
-               } else if(r_sz == FcResultMatch) {
+               } else if(FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval) ==
+                               FcResultMatch) {
                        usedfontsize = -1;
                } else {
                        /*
@@ -3140,14 +3154,14 @@ void
 xzoom(const Arg *arg) {
        Arg larg;
 
-       larg.i = usedfontsize + arg->i;
+       larg.f = usedfontsize + arg->f;
        xzoomabs(&larg);
 }
 
 void
 xzoomabs(const Arg *arg) {
        xunloadfonts();
-       xloadfonts(usedfont, arg->i);
+       xloadfonts(usedfont, arg->f);
        cresize(0, 0);
        redraw();
        xhints();
@@ -3158,7 +3172,7 @@ xzoomreset(const Arg *arg) {
        Arg larg;
 
        if(defaultfontsize > 0) {
-               larg.i = defaultfontsize;
+               larg.f = defaultfontsize;
                xzoomabs(&larg);
        }
 }
@@ -3855,7 +3869,7 @@ cmessage(XEvent *e) {
        } else if(e->xclient.data.l[0] == xw.wmdeletewin) {
                /* Send SIGHUP to shell */
                kill(pid, SIGHUP);
-               exit(EXIT_SUCCESS);
+               exit(0);
        }
 }
 
@@ -3896,6 +3910,13 @@ run(void) {
        /* Waiting for window mapping */
        do {
                XNextEvent(xw.dpy, &ev);
+               /*
+                * XFilterEvent is required to be called after you using XOpenIM,
+                * this is not unnecessary.It does not only filter the key event,
+                * but some clientmessage for input method as well.
+                */
+               if(XFilterEvent(&ev, None))
+                       continue;
                if(ev.type == ConfigureNotify) {
                        w = ev.xconfigure.width;
                        h = ev.xconfigure.height;
@@ -4010,7 +4031,7 @@ main(int argc, char *argv[]) {
                opt_class = EARGF(usage());
                break;
        case 'e':
-               if(argc > 1)
+               if(argc > 0)
                        --argc, ++argv;
                goto run;
        case 'f':