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elf: Eliminate alloca in open_verify
With the two-stage approach for exception handling, the name can be freed after it has been copied into the exception, but before it is raised.
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@ -1592,15 +1592,13 @@ open_verify (const char *name, int fd,
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errval = errno;
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errstring = (errval == 0
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? N_("file too short") : N_("cannot read file data"));
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lose:
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lose:;
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struct dl_exception exception;
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_dl_exception_create (&exception, name, errstring);
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if (free_name)
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{
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char *realname = (char *) name;
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name = strdupa (realname);
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free (realname);
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}
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free ((char *) name);
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__close_nocancel (fd);
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_dl_signal_error (errval, name, NULL, errstring);
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_dl_signal_exception (errval, &exception, NULL);
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}
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/* See whether the ELF header is what we expect. */
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