revert part of commit add0211522737b79dad990ccd65c8af63b5cc1dd

[st.git] / st.c

diff --git a/st.c b/st.c
index 46cf2da..8e6ccb5 100644 (file)
--- a/st.c
+++ b/st.c
@@ -41,7 +41,7 @@
 #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)             (utf8strchr(worddelimiters, u) != NULL)
+#define ISDELIM(u)             (u && wcschr(worddelimiters, u))
 
 enum term_mode {
        MODE_WRAP        = 1 << 0,
@@ -210,7 +210,6 @@ static void selsnap(int *, int *, int);
 static size_t utf8decode(const char *, Rune *, size_t);
 static Rune utf8decodebyte(char, size_t *);
 static char utf8encodebyte(Rune, size_t);
-static char *utf8strchr(char *, Rune);
 static size_t utf8validate(Rune *, size_t);
 
 static char *base64dec(const char *);
@@ -337,23 +336,6 @@ 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)
 {
@@ -731,8 +713,10 @@ sigchld(int a)
        if (pid != p)
                return;
 
-       if (!WIFEXITED(stat) || WEXITSTATUS(stat))
-               die("child finished with error '%d'\n", stat);
+       if (WIFEXITED(stat) && WEXITSTATUS(stat))
+               die("child exited with status %d\n", WEXITSTATUS(stat));
+       else if (WIFSIGNALED(stat))
+               die("child terminated due to signal %d\n", WTERMSIG(stat));
        exit(0);
 }
 
@@ -1573,6 +1557,7 @@ tsetmode(int priv, int set, int *args, int narg)
                        case 1015: /* urxvt mangled mouse mode; incompatible
                                      and can be mistaken for other control
                                      codes. */
+                               break;
                        default:
                                fprintf(stderr,
                                        "erresc: unknown private set/reset mode %d\n",
@@ -1844,7 +1829,7 @@ csireset(void)
 void
 strhandle(void)
 {
-       char *p = NULL;
+       char *p = NULL, *dec;
        int j, narg, par;
 
        term.esc &= ~(ESC_STR_END|ESC_STR);
@@ -1862,8 +1847,6 @@ strhandle(void)
                        return;
                case 52:
                        if (narg > 2) {
-                               char *dec;
-
                                dec = base64dec(strescseq.args[2]);
                                if (dec) {
                                        xsetsel(dec);
@@ -1881,7 +1864,10 @@ strhandle(void)
                case 104: /* color reset, here p = NULL */
                        j = (narg > 1) ? atoi(strescseq.args[1]) : -1;
                        if (xsetcolorname(j, p)) {
-                               fprintf(stderr, "erresc: invalid color %s\n", p);
+                               if (par == 104 && narg <= 1)
+                                       return; /* color reset without parameter */
+                               fprintf(stderr, "erresc: invalid color j=%d, p=%s\n",
+                                       j, p ? p : "(null)");
                        } else {
                                /*
                                 * TODO if defaultbg color is changed, borders
@@ -2262,7 +2248,7 @@ eschandle(uchar ascii)
        case 'Z': /* DECID -- Identify Terminal */
                ttywrite(vtiden, strlen(vtiden), 0);
                break;
-       case 'c': /* RIS -- Reset to inital state */
+       case 'c': /* RIS -- Reset to initial state */
                treset();
                resettitle();
                xloadcols();
@@ -2333,7 +2319,6 @@ tputc(Rune u)
                        goto check_control_code;
                }
 
-
                if (IS_SET(MODE_SIXEL)) {
                        /* TODO: implement sixel mode */
                        return;
@@ -2592,6 +2577,7 @@ draw(void)
                        term.ocx, term.ocy, term.line[term.ocy][term.ocx]);
        term.ocx = cx, term.ocy = term.c.y;
        xfinishdraw();
+       xximspot(term.ocx, term.ocy);
 }
 
 void