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prevent core dump for old getargs() with NULL arg

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Guido van Rossum 1994-11-10 22:35:48 +00:00
parent c054a663eb
commit 13d0ed13c3
1 changed files with 7 additions and 0 deletions
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7
Python/getargs.c
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@ -179,6 +179,13 @@ vgetargs1(args, format, va, compat)
return 0; return 0;
} }
else if (min == 1 && max == 1) { else if (min == 1 && max == 1) {
if (args == NULL) {
sprintf(msgbuf,
"%s requires at least one argument",
fname==NULL ? "function" : fname);
err_setstr(TypeError, msgbuf);
return 0;
}
msg = convertitem(args, &format, &va, levels, msgbuf); msg = convertitem(args, &format, &va, levels, msgbuf);
if (msg == NULL) if (msg == NULL)
return 1; return 1;