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53 lines
977 B
C
53 lines
977 B
C
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#ifndef _NO_EXECVE
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/* execl.c */
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/* This and the other exec*.c files in this directory require
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the target to provide the _execve syscall. */
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#include <_ansi.h>
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#include <unistd.h>
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/* Only deal with a pointer to environ, to work around subtle bugs with shared
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libraries and/or small data systems where the user declares his own
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'environ'. */
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static char ***p_environ = &environ;
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#ifdef _HAVE_STDC
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#include <stdarg.h>
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int
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_DEFUN(execl, (path, arg0, ...),
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_CONST char *path _AND
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_CONST char *arg0 _DOTS)
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#else
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#include <varargs.h>
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int
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_DEFUN(execl, (path, arg0, va_alist),
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_CONST char *path _AND
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_CONST char *arg0 _AND
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va_dcl)
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#endif
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{
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int i;
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va_list args;
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_CONST char *argv[256];
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va_start (args, arg0);
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argv[0] = arg0;
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i = 1;
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do
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argv[i] = va_arg (args, _CONST char *);
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while (argv[i++] != NULL);
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va_end (args);
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return _execve (path, (char * _CONST *) argv, *p_environ);
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}
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#endif /* !_NO_EXECVE */
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