diff options
Diffstat (limited to 'm4/m4module.h')
-rw-r--r-- | m4/m4module.h | 556 |
1 files changed, 0 insertions, 556 deletions
diff --git a/m4/m4module.h b/m4/m4module.h deleted file mode 100644 index a96b9853..00000000 --- a/m4/m4module.h +++ /dev/null @@ -1,556 +0,0 @@ -/* GNU m4 -- A simple macro processor - Copyright (C) 1989-1994, 1999-2000, 2003-2010, 2013-2014, 2017 Free - Software Foundation, Inc. - - This file is part of GNU M4. - - GNU M4 is free software: you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation, either version 3 of the License, or - (at your option) any later version. - - GNU M4 is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see <http://www.gnu.org/licenses/>. -*/ - -#ifndef M4MODULE_H -#define M4MODULE_H 1 - -#include <m4/hash.h> -#include <m4/system.h> - -BEGIN_C_DECLS - - - -/* --- MODULE AUTHOR DECLARATIONS --- */ - -typedef struct m4 m4; -typedef struct m4_builtin m4_builtin; -typedef struct m4_call_info m4_call_info; -typedef struct m4_macro m4_macro; -typedef struct m4_macro_args m4_macro_args; -typedef struct m4_module m4_module; -typedef struct obstack m4_obstack; -typedef struct m4_string m4_string; -typedef struct m4_string_pair m4_string_pair; -typedef struct m4_symbol m4_symbol; -typedef struct m4_symbol_value m4_symbol_value; - -typedef void m4_builtin_func (m4 *, m4_obstack *, size_t, m4_macro_args *); - -/* The value of m4_builtin flags is built from these: */ -enum { - /* Set if macro flattens non-text tokens, such as builtin macro - tokens, to the empty string prior to invoking the builtin; if - clear, non-text tokens must be transparently handled by the - builtin. May only be set if max_args is nonzero. */ - M4_BUILTIN_FLATTEN_ARGS = (1 << 0), - /* Set if macro should only be recognized with arguments; may only - be set if min_args is nonzero. */ - M4_BUILTIN_BLIND = (1 << 1), - /* Set if macro has side effects even when there are too few - arguments; may only be set if min_args is nonzero. */ - M4_BUILTIN_SIDE_EFFECT = (1 << 2), - - /* Mask of valid flag bits. Any other bits must be set to 0. */ - M4_BUILTIN_FLAGS_MASK = (1 << 3) - 1 -}; - -struct m4_builtin -{ - m4_builtin_func * func; /* implementation of the builtin */ - const char * name; /* name found by builtin, printed by dumpdef */ - int flags; /* bitwise OR of M4_BUILTIN_* bits */ - size_t min_args; /* 0-based minimum number of arguments */ - /* max arguments, SIZE_MAX if unlimited; must be >= min_args */ - size_t max_args; -}; - -struct m4_macro -{ - const char *name; - const char *value; - size_t min_args; /* 0-based minimum number of arguments */ - /* max arguments, SIZE_MAX if unlimited; must be >= min_args */ - size_t max_args; -}; - -/* Describe a single string, such as a macro name. */ -struct m4_string -{ - char *str; /* Array of characters, possibly including NUL. */ - size_t len; /* Length of string. */ -}; - -/* Describe a pair of strings, such as begin and end quotes. */ -struct m4_string_pair -{ - char *str1; /* First string. */ - size_t len1; /* First length. */ - char *str2; /* Second string. */ - size_t len2; /* Second length. */ -}; - -/* Declare a prototype for the function "builtin_<NAME>". Note that - the function name includes any macro expansion of NAME. */ -#define M4BUILTIN(name) \ - static void CONC (builtin_, name) \ - (m4 *, m4_obstack *, size_t, m4_macro_args *); - -/* Begin the implementation of the function "builtin_<NAME>", - declaring parameter names that can be used by other helper macros - in this file. Note that the function name includes any macro - expansion of NAME. */ -#define M4BUILTIN_HANDLER(name) \ - static void CONC (builtin_, name) \ - (m4 *context, m4_obstack *obs, size_t argc, m4_macro_args *argv) - -/* Declare a variable S of type "<S>_func" to be a pointer to the - function named S imported from the module M, or NULL if the import - fails. Note that M and S are intentionally used literally rather - than subjected to macro expansion, in all but the variable name. */ -#define M4_MODULE_IMPORT(M, S) \ - S ## _func *S = (S ## _func *) m4_module_import (context, #M, #S, obs) - -/* Build an entry in a builtin table, for the builtin N implemented by - the function "builtin_<N>" with name NAME. Build the flags from - the appropriate combination of M4_BUILTIN_FLAG_* based on M if the - builtin transparently supports macro tokens, B if it is blind, and - S if it has side effects. Specify that the builtin takes MIN and - MAX arguments. Note that N is subject to macro expansion, and that - NAME is generally used as #N to avoid clashes with builtins named - after a standard function that is defined as a macro. */ -#define M4BUILTIN_ENTRY(N, NAME, M, B, S, MIN, MAX) \ - { \ - CONC (builtin_, N), NAME, \ - (((!(M) && (MAX)) ? M4_BUILTIN_FLATTEN_ARGS : 0) \ - | (((B) && (MIN)) ? M4_BUILTIN_BLIND : 0) \ - | (((S) && (MIN)) ? M4_BUILTIN_SIDE_EFFECT : 0)), \ - MIN, MAX \ - }, - -/* Grab the text contents of argument I, or abort if the argument is - not text. Assumes that `m4 *context' and `m4_macro_args *argv' are - in scope. */ -#define M4ARG(i) m4_arg_text (context, argv, i, false) - -/* Grab the length of the text contents of argument I, or abort if the - argument is not text. Assumes that `m4 *context' and - `m4_macro_args *argv' are in scope. */ -#define M4ARGLEN(i) m4_arg_len (context, argv, i, false) - -extern bool m4_bad_argc (m4 *, size_t, const m4_call_info *, size_t, - size_t, bool); -extern bool m4_numeric_arg (m4 *, const m4_call_info *, const char *, - size_t, int *); -extern bool m4_parse_truth_arg (m4 *, const m4_call_info *, const char *, - size_t, bool); -extern m4_symbol *m4_symbol_value_lookup (m4 *, m4_macro_args *, size_t, bool); -extern const char *m4_info_name (const m4_call_info *); - -/* Error handling. */ -extern void m4_error (m4 *, int, int, const m4_call_info *, const char *, ...) - M4_GNUC_PRINTF (5, 6); -extern void m4_warn (m4 *, int, const m4_call_info *, const char *, ...) - M4_GNUC_PRINTF (4, 5); - -extern const char * m4_get_program_name (void); -extern void m4_set_program_name (const char *); -extern void m4_set_exit_failure (int); - - -/* --- CONTEXT MANAGEMENT --- */ - -typedef struct m4_syntax_table m4_syntax_table; -typedef struct m4_symbol_table m4_symbol_table; - -extern m4 * m4_create (void); -extern void m4_delete (m4 *); - -#define m4_context_field_table \ - M4FIELD(m4_symbol_table *, symbol_table, symtab) \ - M4FIELD(m4_syntax_table *, syntax_table, syntax) \ - M4FIELD(const char *, current_file, current_file) \ - M4FIELD(int, current_line, current_line) \ - M4FIELD(int, output_line, output_line) \ - M4FIELD(FILE *, debug_file, debug_file) \ - M4FIELD(m4_obstack, trace_messages, trace_messages) \ - M4FIELD(int, exit_status, exit_status) \ - M4FIELD(int, current_diversion, current_diversion) \ - M4FIELD(size_t, nesting_limit_opt, nesting_limit) \ - M4FIELD(int, debug_level_opt, debug_level) \ - M4FIELD(size_t, max_debug_arg_length_opt, max_debug_arg_length)\ - M4FIELD(int, regexp_syntax_opt, regexp_syntax) \ - - -#define m4_context_opt_bit_table \ - M4OPT_BIT(M4_OPT_PREFIX_BUILTINS_BIT, prefix_builtins_opt) \ - M4OPT_BIT(M4_OPT_SUPPRESS_WARN_BIT, suppress_warnings_opt) \ - M4OPT_BIT(M4_OPT_DISCARD_COMMENTS_BIT, discard_comments_opt) \ - M4OPT_BIT(M4_OPT_INTERACTIVE_BIT, interactive_opt) \ - M4OPT_BIT(M4_OPT_SYNCOUTPUT_BIT, syncoutput_opt) \ - M4OPT_BIT(M4_OPT_POSIXLY_CORRECT_BIT, posixly_correct_opt) \ - M4OPT_BIT(M4_OPT_FATAL_WARN_BIT, fatal_warnings_opt) \ - M4OPT_BIT(M4_OPT_WARN_EXIT_BIT, warnings_exit_opt) \ - M4OPT_BIT(M4_OPT_SAFER_BIT, safer_opt) \ - - -#define M4FIELD(type, base, field) \ - extern type CONC (m4_get_, base) (m4 *context); \ - extern type CONC (m4_set_, base) (m4 *context, type value); -m4_context_field_table -#undef M4FIELD - -#define M4OPT_BIT(bit, base) \ - extern bool CONC (m4_get_, base) (m4 *context); \ - extern bool CONC (m4_set_, base) (m4 *context, bool value); -m4_context_opt_bit_table -#undef M4OPT_BIT - -#define M4SYMTAB (m4_get_symbol_table (context)) -#define M4SYNTAX (m4_get_syntax_table (context)) - - - -/* --- MODULE MANAGEMENT --- */ - -typedef void m4_module_init_func (m4 *, m4_module *, m4_obstack *); - -extern m4_module * m4_module_load (m4 *, const char *, m4_obstack *); -extern void * m4_module_import (m4 *, const char *, const char *, - m4_obstack *); - -extern void m4_install_builtins (m4*, m4_module *, const m4_builtin*); -extern void m4_install_macros (m4*, m4_module *, const m4_macro*); - -extern const char * m4_get_module_name (const m4_module *); -extern m4_module * m4_module_next (m4*, m4_module *); - - - -/* --- SYMBOL TABLE MANAGEMENT --- */ - - -typedef void *m4_symtab_apply_func (m4_symbol_table *, const char *, size_t, - m4_symbol *, void *); - -extern m4_symbol_table *m4_symtab_create (size_t); -extern void m4_symtab_delete (m4_symbol_table *); -extern void * m4_symtab_apply (m4_symbol_table *, bool, - m4_symtab_apply_func *, void *); - -extern m4_symbol *m4_symbol_lookup (m4_symbol_table *, const char *, size_t); -extern m4_symbol *m4_symbol_pushdef (m4_symbol_table *, const char *, size_t, - m4_symbol_value *); -extern m4_symbol *m4_symbol_define (m4_symbol_table *, const char *, size_t, - m4_symbol_value *); -extern void m4_symbol_popdef (m4_symbol_table *, const char *, size_t); -extern m4_symbol *m4_symbol_rename (m4_symbol_table *, const char *, size_t, - const char *, size_t); - -extern void m4_symbol_delete (m4_symbol_table *, const char *, size_t); - -#define m4_symbol_delete(symtab, name, len) M4_STMT_START \ - { \ - while (m4_symbol_lookup (symtab, name, len)) \ - m4_symbol_popdef (symtab, name, len); \ - } M4_STMT_END - -extern m4_symbol_value *m4_get_symbol_value (m4_symbol *); -extern bool m4_get_symbol_traced (m4_symbol *); -extern bool m4_set_symbol_name_traced (m4_symbol_table *, - const char *, size_t, bool); -extern void m4_symbol_print (m4 *, m4_symbol *, m4_obstack *, - const m4_string_pair *, bool, size_t, - bool); -extern bool m4_symbol_value_flatten_args (m4_symbol_value *); - -#define m4_is_symbol_void(symbol) \ - (m4_is_symbol_value_void (m4_get_symbol_value (symbol))) -#define m4_is_symbol_text(symbol) \ - (m4_is_symbol_value_text (m4_get_symbol_value (symbol))) -#define m4_is_symbol_func(symbol) \ - (m4_is_symbol_value_func (m4_get_symbol_value (symbol))) -#define m4_is_symbol_placeholder(symbol) \ - (m4_is_symbol_value_placeholder (m4_get_symbol_value (symbol))) -#define m4_get_symbol_text(symbol) \ - (m4_get_symbol_value_text (m4_get_symbol_value (symbol))) -#define m4_get_symbol_len(symbol) \ - (m4_get_symbol_value_len (m4_get_symbol_value (symbol))) -#define m4_get_symbol_func(symbol) \ - (m4_get_symbol_value_func (m4_get_symbol_value (symbol))) -#define m4_get_symbol_builtin(symbol) \ - (m4_get_symbol_value_builtin (m4_get_symbol_value (symbol))) -#define m4_get_symbol_placeholder(symbol) \ - (m4_get_symbol_value_placeholder (m4_get_symbol_value (symbol))) -#define m4_symbol_flatten_args(symbol) \ - (m4_symbol_value_flatten_args (m4_get_symbol_value (symbol))) - -extern m4_symbol_value *m4_symbol_value_create (void); -extern void m4_symbol_value_delete (m4_symbol_value *); -extern bool m4_symbol_value_copy (m4 *, m4_symbol_value *, - m4_symbol_value *); -extern bool m4_is_symbol_value_text (m4_symbol_value *); -extern bool m4_is_symbol_value_func (m4_symbol_value *); -extern bool m4_is_symbol_value_placeholder (m4_symbol_value *); -extern bool m4_is_symbol_value_void (m4_symbol_value *); - -extern const char * m4_get_symbol_value_text (m4_symbol_value *); -extern size_t m4_get_symbol_value_len (m4_symbol_value *); -extern unsigned int m4_get_symbol_value_quote_age (m4_symbol_value *); - -extern m4_builtin_func *m4_get_symbol_value_func (m4_symbol_value *); -extern const m4_builtin *m4_get_symbol_value_builtin (m4_symbol_value *); -extern const char * m4_get_symbol_value_placeholder (m4_symbol_value *); - -extern void m4_set_symbol_value_text (m4_symbol_value *, - const char *, size_t, - unsigned int); -extern void m4_set_symbol_value_placeholder (m4_symbol_value *, - const char *); - - - -/* --- BUILTIN MANAGEMENT --- */ - -extern m4_symbol_value *m4_builtin_find_by_name (m4 *, m4_module *, const char *); -extern m4_symbol_value *m4_builtin_find_by_func (m4 *, m4_module *, - m4_builtin_func *); - - - -/* --- MACRO MANAGEMENT --- */ - -extern void m4_macro_expand_input (m4 *); -extern void m4_macro_call (m4 *, m4_symbol_value *, m4_obstack *, - m4_macro_args *); -extern size_t m4_arg_argc (m4_macro_args *); -extern const m4_call_info *m4_arg_info (m4_macro_args *); -extern m4_symbol_value *m4_arg_symbol (m4_macro_args *, size_t); -extern bool m4_is_arg_text (m4_macro_args *, size_t); -extern bool m4_is_arg_func (m4_macro_args *, size_t); -extern bool m4_is_arg_composite (m4_macro_args *, size_t); -extern const char *m4_arg_text (m4 *, m4_macro_args *, size_t, bool); -extern bool m4_arg_equal (m4 *, m4_macro_args *, size_t, - size_t); -extern bool m4_arg_empty (m4_macro_args *, size_t); -extern size_t m4_arg_len (m4 *, m4_macro_args *, size_t, bool); -extern m4_builtin_func *m4_arg_func (m4_macro_args *, size_t); -extern m4_obstack *m4_arg_scratch (m4 *); -extern m4_macro_args *m4_make_argv_ref (m4 *, m4_macro_args *, const char *, - size_t, bool, bool); -extern void m4_push_arg (m4 *, m4_obstack *, m4_macro_args *, - size_t); -extern void m4_push_args (m4 *, m4_obstack *, m4_macro_args *, - bool, bool); -extern void m4_wrap_args (m4 *, m4_macro_args *); - - -/* --- RUNTIME DEBUGGING --- */ - -/* The value of debug_level is a bitmask of the following: */ -enum { - /* a: show arglist in trace output */ - M4_DEBUG_TRACE_ARGS = (1 << 0), - /* e: show expansion in trace output */ - M4_DEBUG_TRACE_EXPANSION = (1 << 1), - /* q: quote args and expansion in trace output */ - M4_DEBUG_TRACE_QUOTE = (1 << 2), - /* t: trace all macros -- overrides trace{on,off} */ - M4_DEBUG_TRACE_ALL = (1 << 3), - /* l: add line numbers to trace output */ - M4_DEBUG_TRACE_LINE = (1 << 4), - /* f: add file name to trace output */ - M4_DEBUG_TRACE_FILE = (1 << 5), - /* p: trace path search of include files */ - M4_DEBUG_TRACE_PATH = (1 << 6), - /* c: show macro call before args collection */ - M4_DEBUG_TRACE_CALL = (1 << 7), - /* i: trace changes of input files */ - M4_DEBUG_TRACE_INPUT = (1 << 8), - /* x: add call id to trace output */ - M4_DEBUG_TRACE_CALLID = (1 << 9), - /* m: trace module actions */ - M4_DEBUG_TRACE_MODULE = (1 << 10), - /* s: trace pushdef stacks */ - M4_DEBUG_TRACE_STACK = (1 << 11), - /* d: warn if dereferencing undefined macro */ - M4_DEBUG_TRACE_DEREF = (1 << 12), - /* o: output dumpdef to stderr, not debug file */ - M4_DEBUG_TRACE_OUTPUT_DUMPDEF = (1 << 13), - - /* V: very verbose -- print everything */ - M4_DEBUG_TRACE_VERBOSE = ((1 << 14) - 1) -}; - -/* initial flags, used if no -d or -E -- equiv: d */ -#define M4_DEBUG_TRACE_INITIAL M4_DEBUG_TRACE_DEREF - -/* default flags, used by debugmode() -- equiv: +adeq */ -#define M4_DEBUG_TRACE_DEFAULT \ - (M4_DEBUG_TRACE_ARGS | M4_DEBUG_TRACE_EXPANSION \ - | M4_DEBUG_TRACE_QUOTE | M4_DEBUG_TRACE_DEREF) - -#define m4_is_debug_bit(C,B) ((m4_get_debug_level_opt (C) & (B)) != 0) - -extern int m4_debug_decode (m4 *, const char *, size_t); -extern bool m4_debug_set_output (m4 *, const m4_call_info *, - const char *); -extern void m4_debug_message_prefix (m4 *); -extern void m4_debug_message (m4 *, int, const char *, ...) - M4_GNUC_PRINTF (3, 4); - -extern void m4_trace_prepare (m4 *, const m4_call_info *, - m4_symbol_value *); - - -/* --- REGEXP SYNTAX --- */ - -extern const char * m4_regexp_syntax_decode (int); -extern int m4_regexp_syntax_encode (const char *); - - - -/* --- SYNTAX TABLE DEFINITIONS --- */ - -extern m4_syntax_table *m4_syntax_create (void); -extern void m4_syntax_delete (m4_syntax_table *syntax); -extern int m4_syntax_code (char ch); - -extern const char * m4_get_syntax_lquote (m4_syntax_table *syntax); -extern const char * m4_get_syntax_rquote (m4_syntax_table *syntax); -extern const char * m4_get_syntax_bcomm (m4_syntax_table *syntax); -extern const char * m4_get_syntax_ecomm (m4_syntax_table *syntax); -extern const m4_string_pair *m4_get_syntax_quotes (m4_syntax_table *); -extern const m4_string_pair *m4_get_syntax_comments (m4_syntax_table *); - -extern bool m4_is_syntax_single_quotes (m4_syntax_table *); -extern bool m4_is_syntax_single_comments (m4_syntax_table *); -extern bool m4_is_syntax_single_dollar (m4_syntax_table *); -extern bool m4_is_syntax_macro_escaped (m4_syntax_table *); - -/* These are values to be assigned to syntax table entries. Although - they are bit masks for fast categorization in m4__next_token(), - only one value per syntax table entry is allowed. The enumeration - is currently sorted in order of parsing precedence. */ -enum { - M4_SYNTAX_IGNORE = 0, - M4_SYNTAX_ESCAPE = 1 << 0, - M4_SYNTAX_ALPHA = 1 << 1, - M4_SYNTAX_LQUOTE = 1 << 2, - M4_SYNTAX_BCOMM = 1 << 3, - M4_SYNTAX_ACTIVE = 1 << 4, - M4_SYNTAX_NUM = 1 << 5, - M4_SYNTAX_SPACE = 1 << 6, - M4_SYNTAX_OPEN = 1 << 7, - M4_SYNTAX_CLOSE = 1 << 8, - M4_SYNTAX_COMMA = 1 << 9, - M4_SYNTAX_OTHER = 1 << 10, - - /* These values are bit masks to OR with categories above, a syntax entry - may have any number of these in addition to a maximum of one of the - values above. */ - M4_SYNTAX_DOLLAR = 1 << 11, - M4_SYNTAX_LBRACE = 1 << 12, - M4_SYNTAX_RBRACE = 1 << 13, - M4_SYNTAX_RQUOTE = 1 << 14, - M4_SYNTAX_ECOMM = 1 << 15 -}; - -/* Mask of attribute syntax categories. */ -#define M4_SYNTAX_MASKS (M4_SYNTAX_RQUOTE | M4_SYNTAX_ECOMM \ - | M4_SYNTAX_DOLLAR | M4_SYNTAX_LBRACE \ - | M4_SYNTAX_RBRACE) -/* Mask of basic syntax categories where any change requires a - recomputation of the overall syntax characteristics. */ -#define M4_SYNTAX_SUSPECT (M4_SYNTAX_LQUOTE | M4_SYNTAX_BCOMM \ - | M4_SYNTAX_ESCAPE) - -#define m4_syntab(S, C) ((S)->table[(C)]) -/* Determine if character C matches any of the bitwise-or'd syntax - categories T for the given syntax table S. C can be either an - unsigned int (including special values such as CHAR_BUILTIN) or a - char which will be interpreted as an unsigned char. */ -#define m4_has_syntax(S, C, T) \ - ((m4_syntab ((S), sizeof (C) == 1 ? to_uchar (C) : (C)) & (T)) > 0) - -extern void m4_set_quotes (m4_syntax_table *, const char *, size_t, - const char *, size_t); -extern void m4_set_comment (m4_syntax_table *, const char *, size_t, - const char *, size_t); -extern int m4_set_syntax (m4_syntax_table *, char, char, const char *, - size_t); -extern void m4_reset_syntax (m4_syntax_table *); - - - -/* --- INPUT TOKENIZATION --- */ - -extern void m4_input_init (m4 *context); -extern void m4_input_exit (void); -extern void m4_skip_line (m4 *context, const m4_call_info *); - -/* push back input */ - -extern void m4_push_file (m4 *, FILE *, const char *, bool); -extern void m4_push_builtin (m4 *, m4_obstack *, m4_symbol_value *); -extern m4_obstack *m4_push_string_init (m4 *, const char *, int); -extern void m4_push_string_finish (void); -extern bool m4_pop_wrapup (m4 *); -extern void m4_input_print (m4 *, m4_obstack *, int); - - - -/* --- OUTPUT MANAGEMENT --- */ - -extern void m4_output_init (m4 *); -extern void m4_output_exit (void); -extern void m4_output_text (m4 *, const char *, size_t); -extern void m4_divert_text (m4 *, m4_obstack *, const char *, - size_t, int); -extern void m4_shipout_int (m4_obstack *, int); -extern void m4_shipout_string (m4 *, m4_obstack *, const char *, - size_t, bool); -extern bool m4_shipout_string_trunc (m4_obstack *, const char *, size_t, - const m4_string_pair *, size_t *); - -extern void m4_make_diversion (m4 *, int); -extern void m4_insert_diversion (m4 *, int); -extern void m4_insert_file (m4 *, FILE *); -extern void m4_freeze_diversions (m4 *, FILE *); -extern void m4_undivert_all (m4 *); - - - -/* --- PATH MANAGEMENT --- */ - -extern void m4_add_include_directory (m4 *, const char *, bool); -extern bool m4_load_filename (m4 *, const m4_call_info *, - const char *, m4_obstack *, bool); -extern char * m4_path_search (m4 *, const char *, const char **); -extern FILE * m4_fopen (m4 *, const char *, const char *); - - - -#define obstack_chunk_alloc xmalloc -#define obstack_chunk_free free - - -/* Convert a possibly-signed character to an unsigned character. This is - a bit safer than casting to unsigned char, since it catches some type - errors that the cast doesn't. */ -#if HAVE_INLINE -static inline unsigned char to_uchar (char ch) { return ch; } -#else -# define to_uchar(C) ((unsigned char) (C)) -#endif - -END_C_DECLS - -#endif /* !M4MODULE_H */ |