30 lines
829 B
C
30 lines
829 B
C
#include "libc.h"
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#if 0
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/* Any use of __environ/environ will override this symbol. */
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char **__dummy_environ = (void *)-1;
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weak_alias(__dummy_environ, ___environ);
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#else
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extern char **___environ;
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#endif
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int __libc_start_main(
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int (*main)(int, char **, char **), int argc, char **argv,
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int (*init)(int, char **, char **), void (*fini)(void),
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void (*ldso_fini)(void))
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{
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/* Save the environment if it may be used by libc/application */
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char **envp = argv+argc+1;
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if (___environ != (void *)-1) ___environ = envp;
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/* Avoid writing 0 and triggering unnecessary COW */
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if (ldso_fini) libc.ldso_fini = ldso_fini;
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if (fini) libc.fini = fini;
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/* Execute constructors (static) linked into the application */
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if (init) init(argc, argv, envp);
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/* Pass control to to application */
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exit(main(argc, argv, envp));
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return 0;
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}
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