hotfix of a serious crashing bug

[dwm.git] / main.c

diff --git a/main.c b/main.c
index 86cd3f9..062f9d7 100644 (file)
--- a/main.c
+++ b/main.c
@@ -227,6 +227,7 @@ xerror(Display *dpy, XErrorEvent *ee) {
 
 int
 main(int argc, char *argv[]) {
 
 int
 main(int argc, char *argv[]) {

+       char *p;

        int r, xfd;
        fd_set rd;
 
        int r, xfd;
        fd_set rd;
 


@@ -270,22 +271,24 @@ main(int argc, char *argv[]) {
                if(select(xfd + 1, &rd, NULL, NULL, NULL) == -1) {
                        if(errno == EINTR)
                                continue;
                if(select(xfd + 1, &rd, NULL, NULL, NULL) == -1) {
                        if(errno == EINTR)
                                continue;

-                       else
-                               eprint("select failed\n");
+                       eprint("select failed\n");

                }
                if(FD_ISSET(STDIN_FILENO, &rd)) {
                }
                if(FD_ISSET(STDIN_FILENO, &rd)) {

-                       switch(r = read(STDIN_FILENO, stext, sizeof(stext) - 1)) {
+                       switch(r = read(STDIN_FILENO, stext, sizeof stext - 1)) {

                        case -1:
                        case -1:

-                               strncpy(stext, strerror(errno), sizeof(stext));
-                               stext[sizeof(stext) - 1] = '\0';
+                               strncpy(stext, strerror(errno), sizeof stext - 1);
+                               stext[sizeof stext - 1] = '\0';

                                readin = False;
                                break;
                        case 0:
                                readin = False;
                                break;
                        case 0:

-                               strncpy(stext, "EOF", sizeof(stext));
+                               strncpy(stext, "EOF", 4);

                                readin = False;
                                break;
                        default:
                                readin = False;
                                break;
                        default:

-                               stext[r - (stext[r - 1] == '\n' ? 1 : 0)] = '\0';
+                               for(stext[r] = '\0', p = stext + strlen(stext) - 1; p >= stext && *p == '\n'; *p-- = '\0');
+                               for(p = stext + strlen(stext) - 1; p >= stext && *p != '\n'; --p);
+                               if(p > stext)
+                                       strncpy(stext, p + 1, sizeof stext);

                        }
                        drawstatus();
                }
                        }
                        drawstatus();
                }