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#ifndef _NO_EXECVE
/* execlp.c */
/* This and the other exec*.c files in this directory require
the target to provide the _execve syscall. */
#include <_ansi.h>
#include <unistd.h>
#ifdef _EXECL_USE_MALLOC
#include <errno.h>
#include <stdlib.h>
#else
#include <alloca.h>
#endif
#include <stdarg.h>
int
execlp (const char *path,
const char *arg0, ...)
{
int i;
va_list args;
const char **argv;
i = 1;
va_start (args, arg0);
do
i++;
while (va_arg (args, const char *) != NULL);
va_end (args);
#ifndef _EXECL_USE_MALLOC
argv = alloca (i * sizeof(const char *));
#else
argv = malloc (i * sizeof(const char *));
if (argv == NULL)
{
errno = ENOMEM;
return -1;
}
#endif
va_start (args, arg0);
argv[0] = arg0;
i = 1;
do
argv[i] = va_arg (args, const char *);
while (argv[i++] != NULL);
va_end (args);
i = execvp (path, (char * const *) argv);
#ifdef _EXECL_USE_MALLOC
free (argv);
#endif
return i;
}
#endif /* !_NO_EXECVE */
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