Remove last parameter of utf8encode

[st.git] / st.c

diff --git a/st.c b/st.c
index 7f08748..8ca310c 100644 (file)
--- a/st.c
+++ b/st.c
@@ -459,7 +459,7 @@ static void mousereport(XEvent *);
 
 static size_t utf8decode(char *, long *, size_t);
 static long utf8decodebyte(char, size_t *);
-static size_t utf8encode(long, char *, size_t);
+static size_t utf8encode(long, char *);
 static char utf8encodebyte(long, size_t);
 static size_t utf8len(char *);
 static size_t utf8validate(long *, size_t);
@@ -610,11 +610,11 @@ utf8decodebyte(char c, size_t *i) {
 }
 
 size_t
-utf8encode(long u, char *c, size_t clen) {
+utf8encode(long u, char *c) {
        size_t len, i;
 
        len = utf8validate(&u, 0);
-       if(clen < len)
+       if(len > UTF_SIZ)
                return 0;
        for(i = len - 1; i != 0; --i) {
                c[i] = utf8encodebyte(u, 0);
@@ -1276,7 +1276,8 @@ stty(void)
                siz-= n + 1;
        }
        *q = '\0';
-       system(cmd);
+       if (system(cmd) != 0)
+           perror("Couldn't call stty");
 }
 
 void
@@ -1350,7 +1351,7 @@ ttyread(void) {
        buflen += ret;
        ptr = buf;
        while((charsize = utf8decode(ptr, &unicodep, buflen))) {
-               utf8encode(unicodep, s, UTF_SIZ);
+               utf8encode(unicodep, s);
                tputc(s, charsize);
                ptr += charsize;
                buflen -= charsize;
@@ -2268,8 +2269,7 @@ strhandle(void) {
 
        term.esc &= ~(ESC_STR_END|ESC_STR);
        strparse();
-       narg = strescseq.narg;
-       par = atoi(strescseq.args[0]);
+       par = (narg = strescseq.narg) ? atoi(strescseq.args[0]) : 0;
 
        switch(strescseq.type) {
        case ']': /* OSC -- Operating System Command */
@@ -2898,82 +2898,58 @@ sixd_to_16bit(int x) {
        return x == 0 ? 0 : 0x3737 + 0x2828 * x;
 }
 
+bool
+xloadcolor(int i, const char *name, Color *ncolor) {
+       XRenderColor color = { .alpha = 0xffff };
+
+       if(!name) {
+               if(BETWEEN(i, 16, 255)) { /* 256 color */
+                       if(i < 6*6*6+16) { /* same colors as xterm */
+                               color.red   = sixd_to_16bit( ((i-16)/36)%6 );
+                               color.green = sixd_to_16bit( ((i-16)/6) %6 );
+                               color.blue  = sixd_to_16bit( ((i-16)/1) %6 );
+                       } else { /* greyscale */
+                               color.red = 0x0808 + 0x0a0a * (i - (6*6*6+16));
+                               color.green = color.blue = color.red;
+                       }
+                       return XftColorAllocValue(xw.dpy, xw.vis,
+                                                 xw.cmap, &color, ncolor);
+               } else
+                       name = colorname[i];
+       }
+       return XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, ncolor);
+}
+
 void
 xloadcols(void) {
        int i;
-       XRenderColor color = { .alpha = 0xffff };
        static bool loaded;
        Color *cp;
 
        if(loaded) {
-               for (cp = dc.col; cp < dc.col + LEN(dc.col); ++cp)
+               for (cp = dc.col; cp < &dc.col[LEN(dc.col)]; ++cp)
                        XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);
        }
 
-       /* load colors [0-15] and [256-LEN(colorname)] (config.h) */
-       for(i = 0; i < LEN(dc.col); i++) {
-               if(!colorname[i])
-                       continue;
-               if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, colorname[i], &dc.col[i])) {
-                       die("Could not allocate color '%s'\n", colorname[i]);
+       for(i = 0; i < LEN(dc.col); i++)
+               if(!xloadcolor(i, NULL, &dc.col[i])) {
+                       if(colorname[i])
+                               die("Could not allocate color '%s'\n", colorname[i]);
+                       else
+                               die("Could not allocate color %d\n", i);
                }
-       }
-
-       /* load colors [16-231] ; same colors as xterm */
-       for(i = 16; i < 6*6*6+16; i++) {
-               color.red   = sixd_to_16bit( ((i-16)/36)%6 );
-               color.green = sixd_to_16bit( ((i-16)/6) %6 );
-               color.blue  = sixd_to_16bit( ((i-16)/1) %6 );
-               if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &dc.col[i]))
-                       die("Could not allocate color %d\n", i);
-       }
-
-       /* load colors [232-255] ; grayscale */
-       for(; i < 256; i++) {
-               color.red = color.green = color.blue = 0x0808 + 0x0a0a * (i-(6*6*6+16));
-               if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &dc.col[i]))
-                       die("Could not allocate color %d\n", i);
-       }
        loaded = true;
 }
 
 int
 xsetcolorname(int x, const char *name) {
-       XRenderColor color = { .alpha = 0xffff };
        Color ncolor;
 
        if(!BETWEEN(x, 0, LEN(dc.col)))
                return 1;
 
-       if(!name) {
-               if(BETWEEN(x, 16, 16 + 215)) { /* 256 color */
-                       color.red   = sixd_to_16bit( ((x-16)/36)%6 );
-                       color.green = sixd_to_16bit( ((x-16)/6) %6 );
-                       color.blue  = sixd_to_16bit( ((x-16)/1) %6 );
-                       if(!XftColorAllocValue(xw.dpy, xw.vis,
-                                               xw.cmap, &color, &ncolor)) {
-                               return 1;
-                       }
-
-                       XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
-                       dc.col[x] = ncolor;
-                       return 0;
-               } else if(BETWEEN(x, 16 + 216, 255)) { /* greyscale */
-                       color.red = color.green = color.blue = \
-                                   0x0808 + 0x0a0a * (x - (16 + 216));
-                       if(!XftColorAllocValue(xw.dpy, xw.vis,
-                                               xw.cmap, &color, &ncolor)) {
-                               return 1;
-                       }
 
-                       XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
-                       dc.col[x] = ncolor;
-                       return 0;
-               } else { /* system colors */
-                       name = colorname[x];
-               }
-       }
-       if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, &ncolor))
+       if(!xloadcolor(x, name, &ncolor))
                return 1;
 
        XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
@@ -3696,7 +3672,6 @@ drawregion(int x1, int y1, int x2, int y2) {
        Glyph base, new;
        char buf[DRAW_BUF_SIZ];
        bool ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN);
-       long unicodep;
 
        if(!(xw.state & WIN_VISIBLE))
                return;
@@ -3725,7 +3700,7 @@ drawregion(int x1, int y1, int x2, int y2) {
                                base = new;
                        }
 
-                       sl = utf8decode(new.c, &unicodep, UTF_SIZ);
+                       sl = utf8len(new.c);
                        memcpy(buf+ib, new.c, sl);
                        ib += sl;
                        ic += (new.mode & ATTR_WIDE)? 2 : 1;
@@ -3873,7 +3848,7 @@ kpress(XEvent *ev) {
                if(IS_SET(MODE_8BIT)) {
                        if(*buf < 0177) {
                                c = *buf | 0x80;
-                               len = utf8encode(c, buf, UTF_SIZ);
+                               len = utf8encode(c, buf);
                        }
                } else {
                        buf[1] = buf[0];
@@ -4090,7 +4065,7 @@ run:
        if(argc > 0) {
                /* eat all remaining arguments */
                opt_cmd = argv;
-               if(!opt_title)
+               if(!opt_title && !opt_line)
                        opt_title = basename(xstrdup(argv[0]));
        }
        setlocale(LC_CTYPE, "");