* terms.c: Clear fd_set by FD_ZERO() before select().
This commit is contained in:
committed by
Tatsuya Kinoshita
parent
0640eca05c
commit
f941b1d562
15
terms.c
15
terms.c
@@ -499,17 +499,16 @@ get_pixel_per_cell(int *ppc, int *ppl)
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p = buf;
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left = sizeof(buf) - 1;
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for (i = 0; i < 5; i++) {
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tval.tv_usec = 500000; /* 0.5 sec */
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for (i = 0; i < 10; i++) {
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tval.tv_usec = 200000; /* 0.2 sec * 10 */
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tval.tv_sec = 0;
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FD_ZERO(&rfd);
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FD_SET(tty,&rfd);
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if (select(tty+1,&rfd,NULL,NULL,&tval) <= 0 || ! FD_ISSET(tty,&rfd)) {
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if (select(tty+1,&rfd,NULL,NULL,&tval) <= 0 || ! FD_ISSET(tty,&rfd))
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continue;
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}
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if ((len = read(tty,p,left)) <= 0) {
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return 0;
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}
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if ((len = read(tty,p,left)) <= 0)
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continue;
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p[len] = '\0';
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if (sscanf(buf,"\x1b[4;%d;%dt\x1b[8;%d;%dt",&hp,&wp,&hc,&wc) == 4) {
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@@ -518,7 +517,7 @@ get_pixel_per_cell(int *ppc, int *ppl)
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return 1;
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}
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p = buf + len;
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p += len;
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left -= len;
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}
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