static int
wordsplit_init (struct wordsplit *wsp, const char *input, size_t len,
int flags)
{
wsp->ws_flags = flags;
if (!(wsp->ws_flags & WRDSF_ALLOC_DIE))
wsp->ws_alloc_die = _wsplt_alloc_die;
if (!(wsp->ws_flags & WRDSF_ERROR))
wsp->ws_error = _wsplt_error;
if (!(wsp->ws_flags & WRDSF_NOVAR)
&& !(wsp->ws_flags & (WRDSF_ENV | WRDSF_GETVAR)))
{
errno = EINVAL;
wsp->ws_errno = WRDSE_USAGE;
if (wsp->ws_flags & WRDSF_SHOWERR)
wordsplit_perror (wsp);
return wsp->ws_errno;
}
if (!(wsp->ws_flags & WRDSF_NOCMD))
{
errno = EINVAL;
wsp->ws_errno = WRDSE_NOSUPP;
if (wsp->ws_flags & WRDSF_SHOWERR)
wordsplit_perror (wsp);
return wsp->ws_errno;
}
if (wsp->ws_flags & WRDSF_SHOWDBG)
{
if (!(wsp->ws_flags & WRDSF_DEBUG))
{
if (wsp->ws_flags & WRDSF_ERROR)
wsp->ws_debug = wsp->ws_error;
else if (wsp->ws_flags & WRDSF_SHOWERR)
wsp->ws_debug = _wsplt_error;
else
wsp->ws_flags &= ~WRDSF_SHOWDBG;
}
}
wsp->ws_input = input;
wsp->ws_len = len;
if (!(wsp->ws_flags & WRDSF_DOOFFS))
wsp->ws_offs = 0;
if (!(wsp->ws_flags & WRDSF_DELIM))
wsp->ws_delim = " \t\n";
if (!(wsp->ws_flags & WRDSF_COMMENT))
wsp->ws_comment = NULL;
if (!(wsp->ws_flags & WRDSF_CLOSURE))
wsp->ws_closure = NULL;
wsp->ws_endp = 0;
wordsplit_init0 (wsp);
return 0;
}
int
wordsplit_len (const char *command, size_t length, struct wordsplit *wsp,
int flags)
{
int rc;
size_t start;
const char *cmdptr;
size_t cmdlen;
if (!command)
{
if (!(flags & WRDSF_INCREMENTAL))
return EINVAL;
start = skip_delim (wsp);
if (wsp->ws_endp == wsp->ws_len)
{
wsp->ws_errno = WRDSE_NOINPUT;
if (wsp->ws_flags & WRDSF_SHOWERR)
wordsplit_perror (wsp);
return wsp->ws_errno;
}
cmdptr = wsp->ws_input + wsp->ws_endp;
cmdlen = wsp->ws_len - wsp->ws_endp;
wsp->ws_flags |= WRDSF_REUSE;
wordsplit_init0 (wsp);
}
else
{
cmdptr = command;
cmdlen = length;
start = 0;
rc = wordsplit_init (wsp, cmdptr, cmdlen, flags);
if (rc)
return rc;
}
if (wsp->ws_flags & WRDSF_SHOWDBG)
wsp->ws_debug ("Input:%.*s;", (int) cmdlen, cmdptr);
rc = wordsplit_process_list (wsp, start);
if (rc == 0 && (flags & WRDSF_INCREMENTAL))
{
while (!wsp->ws_head && wsp->ws_endp < wsp->ws_len)
{
start = skip_delim (wsp);
if (wsp->ws_flags & WRDSF_SHOWDBG)
{
cmdptr = wsp->ws_input + wsp->ws_endp;
cmdlen = wsp->ws_len - wsp->ws_endp;
wsp->ws_debug ("Restart:%.*s;", (int) cmdlen, cmdptr);
}
rc = wordsplit_process_list (wsp, start);
if (rc)
break;
}
}
if (rc)
{
wordsplit_free_nodes (wsp);
return rc;
}
wordsplit_finish (wsp);
wordsplit_free_nodes (wsp);
return wsp->ws_errno;
}
static int
wordsplit_init (struct wordsplit *wsp, const char *input, size_t len,
int flags)
{
wsp->ws_flags = flags;
if (!(wsp->ws_flags & WRDSF_ALLOC_DIE))
wsp->ws_alloc_die = _wsplt_alloc_die;
if (!(wsp->ws_flags & WRDSF_ERROR))
wsp->ws_error = _wsplt_error;
if (!(wsp->ws_flags & WRDSF_NOVAR))
{
/* These will be initialized on first variable assignment */
wsp->ws_envidx = wsp->ws_envsiz = 0;
wsp->ws_envbuf = NULL;
}
if (!(wsp->ws_flags & WRDSF_NOCMD))
{
if (!wsp->ws_command)
{
_wsplt_seterr (wsp, WRDSE_USAGE);
errno = EINVAL;
return wsp->ws_errno;
}
}
if (wsp->ws_flags & WRDSF_SHOWDBG)
{
if (!(wsp->ws_flags & WRDSF_DEBUG))
{
if (wsp->ws_flags & WRDSF_ERROR)
wsp->ws_debug = wsp->ws_error;
else if (wsp->ws_flags & WRDSF_SHOWERR)
wsp->ws_debug = _wsplt_error;
else
wsp->ws_flags &= ~WRDSF_SHOWDBG;
}
}
wsp->ws_input = input;
wsp->ws_len = len;
if (!(wsp->ws_flags & WRDSF_DOOFFS))
wsp->ws_offs = 0;
if (!(wsp->ws_flags & WRDSF_DELIM))
wsp->ws_delim = " \t\n";
if (!(wsp->ws_flags & WRDSF_COMMENT))
wsp->ws_comment = NULL;
if (!(wsp->ws_flags & WRDSF_CLOSURE))
wsp->ws_closure = NULL;
if (!(wsp->ws_flags & WRDSF_OPTIONS))
wsp->ws_options = 0;
if (wsp->ws_flags & WRDSF_ESCAPE)
{
if (!wsp->ws_escape[WRDSX_WORD])
wsp->ws_escape[WRDSX_WORD] = "";
if (!wsp->ws_escape[WRDSX_QUOTE])
wsp->ws_escape[WRDSX_QUOTE] = "";
}
else
{
if (wsp->ws_flags & WRDSF_CESCAPES)
{
wsp->ws_escape[WRDSX_WORD] = wordsplit_c_escape_tab;
wsp->ws_escape[WRDSX_QUOTE] = wordsplit_c_escape_tab;
wsp->ws_options |= WRDSO_OESC_QUOTE | WRDSO_OESC_WORD
| WRDSO_XESC_QUOTE | WRDSO_XESC_WORD;
}
else
{
wsp->ws_escape[WRDSX_WORD] = "";
wsp->ws_escape[WRDSX_QUOTE] = "\\\\\"\"";
wsp->ws_options |= WRDSO_BSKEEP_QUOTE;
}
}
wsp->ws_endp = 0;
wordsplit_init0 (wsp);
return 0;
}
