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better checks for recursion in tc=

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This commit is contained in:
ceriel 1988-08-30 11:37:32 +00:00
parent 32e5679d6c
commit e102a3f5cb
1 changed files with 7 additions and 2 deletions
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9
lang/cem/libcc/stdio/termcap.c
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@ -112,12 +112,17 @@ check_for_tc()
return(0); /* no : in termcap entry */ return(0); /* no : in termcap entry */
if (p[1] != 't' || p[2] != 'c') if (p[1] != 't' || p[2] != 'c')
return(1); return(1);
if (++count > 16) return(0); /* recursion in tc= definitions */ if (count > 16) return(0); /* recursion in tc= definitions */
count++;
strcpy(terminalname, &p[4]); strcpy(terminalname, &p[4]);
q = terminalname; q = terminalname;
while (*q && *q != ':') q++; while (*q && *q != ':') q++;
*q = 0; *q = 0;
if (tgetent(buf, terminalname) != 1) return(0); if (tgetent(buf, terminalname) != 1) {
---count;
return(0);
}
--count;
for (q = buf; *q && *q != ':'; q++) { } for (q = buf; *q && *q != ':'; q++) { }
strcpy(p, q); strcpy(p, q);
capab = savcapab; capab = savcapab;