version 1.9, 2008/12/28 23:07:04 |
version 1.11, 2008/12/29 18:08:44 |
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#include <stdlib.h> |
#include <stdlib.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <string.h> |
#include <string.h> |
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#ifdef __linux__ |
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#include <time.h> |
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#endif |
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#include "private.h" |
#include "private.h" |
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/* FIXME: maxlineargs should be per LINE, no per TOKEN. */ |
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#define _CC(p) ((const char **)p) |
#define _CC(p) ((const char **)p) |
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static int scope_rewind_exp(struct mdoc *, int, int, int); |
static int scope_rewind_exp(struct mdoc *, int, int, int); |
static int scope_rewind_imp(struct mdoc *, int, int); |
static int scope_rewind_imp(struct mdoc *, int, int); |
static int append_text(struct mdoc *, int, |
static int append_text(struct mdoc *, int, |
int, int, char *[]); |
int, int, char *[]); |
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static int append_const(struct mdoc *, int, int, int, char *[]); |
static int append_scoped(struct mdoc *, int, int, int, |
static int append_scoped(struct mdoc *, int, int, int, |
const char *[], int, const struct mdoc_arg *); |
const char *[], int, const struct mdoc_arg *); |
static int append_delims(struct mdoc *, int, int *, char *); |
static int append_delims(struct mdoc *, int, int *, char *); |
Line 182 append_scoped(struct mdoc *mdoc, int tok, int pos, |
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Line 188 append_scoped(struct mdoc *mdoc, int tok, int pos, |
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static int |
static int |
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append_const(struct mdoc *mdoc, int tok, |
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int pos, int sz, char *args[]) |
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{ |
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switch (tok) { |
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/* ======= ADD MORE MACRO CHECKS BELOW. ======= */ |
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case (MDOC_At): |
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/* This needs special handling. */ |
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if (0 == sz) |
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break; |
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else if (sz > 2) |
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return(mdoc_err(mdoc, tok, pos, ERR_ARGS_LE2)); |
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if (ATT_DEFAULT != mdoc_atoatt(args[0])) { |
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mdoc_elem_alloc(mdoc, pos, tok, 0, |
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NULL, 1, _CC(&args[0])); |
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} else { |
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mdoc_elem_alloc(mdoc, pos, tok, |
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0, NULL, 0, NULL); |
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if (mdoc_isdelim(args[0])) |
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return(mdoc_err(mdoc, tok, pos, ERR_SYNTAX_NOPUNCT)); |
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mdoc_word_alloc(mdoc, pos, args[0]); |
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} |
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if (1 == sz) |
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return(1); |
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if (mdoc_isdelim(args[1])) |
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return(mdoc_err(mdoc, tok, pos, ERR_SYNTAX_NOPUNCT)); |
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mdoc_word_alloc(mdoc, pos, args[1]); |
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return(1); |
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case (MDOC_Bx): |
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/* FALLTHROUGH */ |
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case (MDOC_Bsx): |
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/* FALLTHROUGH */ |
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case (MDOC_Os): |
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/* FALLTHROUGH */ |
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case (MDOC_Fx): |
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/* FALLTHROUGH */ |
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case (MDOC_Nx): |
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assert(sz <= 1); |
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break; |
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case (MDOC_Ux): |
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assert(0 == sz); |
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break; |
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case (MDOC_Bt): |
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/* FALLTHROUGH */ |
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case (MDOC_Ud): |
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if (0 == sz) |
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break; |
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return(mdoc_err(mdoc, tok, pos, ERR_ARGS_EQ0)); |
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/* ======= ADD MORE MACRO CHECKS ABOVE. ======= */ |
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default: |
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abort(); |
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/* NOTREACHED */ |
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} |
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mdoc_elem_alloc(mdoc, pos, tok, 0, NULL, (size_t)sz, _CC(args)); |
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return(1); |
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} |
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static int |
append_text(struct mdoc *mdoc, int tok, |
append_text(struct mdoc *mdoc, int tok, |
int pos, int sz, char *args[]) |
int pos, int sz, char *args[]) |
{ |
{ |
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/* NOTREACHED */ |
/* NOTREACHED */ |
} |
} |
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/* |
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* A delimited-constant macro is similar to a general text macro: the |
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* macro is followed by a 0 or 1 arguments (possibly-unspecified) then |
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* terminating punctuation, other words, or another callable macro. |
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*/ |
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int |
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macro_constant_delimited(MACRO_PROT_ARGS) |
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{ |
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int lastarg, flushed, c, maxargs; |
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char *p, *pp; |
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if (SEC_PROLOGUE == mdoc->sec_lastn) |
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return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
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/* Process line parameters. */ |
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lastarg = ppos; |
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flushed = 0; |
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/* Token pre-processing. */ |
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switch (tok) { |
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case (MDOC_Ux): |
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maxargs = 0; |
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break; |
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default: |
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maxargs = 1; |
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break; |
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} |
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again: |
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lastarg = *pos; |
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switch (mdoc_args(mdoc, tok, pos, buf, ARGS_DELIM, &p)) { |
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case (ARGS_ERROR): |
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return(0); |
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case (ARGS_WORD): |
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break; |
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case (ARGS_PUNCT): |
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if ( ! flushed && ! append_const(mdoc, tok, ppos, 0, &p)) |
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return(0); |
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if (ppos > 1) |
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return(1); |
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return(append_delims(mdoc, tok, pos, buf)); |
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case (ARGS_EOLN): |
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if (flushed) |
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return(1); |
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return(append_const(mdoc, tok, ppos, 0, &p)); |
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default: |
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abort(); |
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/* NOTREACHED */ |
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} |
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/* Accepts no arguments: flush out symbol and continue. */ |
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if (0 == maxargs) { |
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pp = p; |
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if ( ! append_const(mdoc, tok, ppos, 0, &p)) |
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return(0); |
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p = pp; |
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flushed = 1; |
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} |
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if (MDOC_MAX != (c = mdoc_find(mdoc, p))) { |
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if ( ! flushed && ! append_const(mdoc, tok, ppos, 0, &p)) |
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return(0); |
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if ( ! mdoc_macro(mdoc, c, lastarg, pos, buf)) |
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return(0); |
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if (ppos > 1) |
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return(1); |
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return(append_delims(mdoc, tok, pos, buf)); |
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} |
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/* |
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* We only accept one argument; subsequent tokens are considered |
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* as literal words (until a macro). |
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*/ |
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if ( ! flushed && ! mdoc_isdelim(p)) { |
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if ( ! append_const(mdoc, tok, ppos, 1, &p)) |
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return(0); |
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flushed = 1; |
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goto again; |
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} else if ( ! flushed) { |
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pp = p; |
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if ( ! append_const(mdoc, tok, ppos, 0, &p)) |
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return(0); |
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p = pp; |
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flushed = 1; |
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} |
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mdoc_word_alloc(mdoc, lastarg, p); |
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goto again; |
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/* NOTREACHED */ |
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} |
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int |
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macro_constant(MACRO_PROT_ARGS) |
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{ |
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int lastarg, j; |
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char *args[MDOC_LINEARG_MAX]; |
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if (SEC_PROLOGUE == mdoc->sec_lastn) |
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return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
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j = 0; |
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again: |
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if (j == MDOC_LINEARG_MAX) |
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return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
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lastarg = *pos; |
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switch (mdoc_args(mdoc, tok, pos, buf, 0, &args[j])) { |
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case (ARGS_ERROR): |
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return(0); |
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case (ARGS_WORD): |
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break; |
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case (ARGS_EOLN): |
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return(append_const(mdoc, tok, ppos, j, args)); |
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default: |
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abort(); |
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/* NOTREACHED */ |
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} |
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if (MDOC_MAX != mdoc_find(mdoc, args[j])) |
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if ( ! mdoc_warn(mdoc, tok, lastarg, WARN_SYNTAX_MACLIKE)) |
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return(0); |
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j++; |
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goto again; |
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/* NOTREACHED */ |
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} |