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/*-
******************************************************************************
******************************************************************************
**
** ARCHIVE HEADER INFORMATION
**
** @C-file{
** FILENAME = "vvutils.h",
** VERSION = "1.00",
** DATE = "",
** TIME = "",
**
** AUTHOR = "Niel Kempson",
** ADDRESS = "25 Whitethorn Drive, Cheltenham, GL52 5LL, England",
** TELEPHONE = "+44-242 579105",
** EMAIL = "kempson@tex.ac.uk (Internet)",
**
** SUPPORTED = "yes",
** ARCHIVED = "tex.ac.uk, ftp.tex.ac.uk",
** KEYWORDS = "VVcode",
**
** CODETABLE = "ISO/ASCII",
** CHECKSUM = "51492 1481 5732 57976",
**
** DOCSTRING = { This file is part of VVcode.
** }
** }
**
** MODULE CONTENTS
**
** allocate_buffer Allocate memory for a buffer.
** display_comment Display a VVE file comment.
** f_close Close a file.
** getc_format Get the format specified on the command line.
** getc_mode Get the mode specified on the command line.
** getc_reclen Get the maximum record length specified on
** the command line.
** getc_timestamp Get the timestamp specified on the command
** line.
** header_type Look for a header string in a list of headers.
** init_crc32_table Initialize the 32 bit CRC table.
** lookup_key Look for a string in a list of keywords.
** make_time Convert a 'tm' structure into a Unix style
** time_t value.
** open_log_file Open the log file for writing.
** parse_header Extract the value of a VVE/XLT header line.
** pars_time Parse a string in VVcode timestamp format and
** convert it to a Unix style time_t value.
** pars_xlt_tbl Parse a character set translation table.
** rd_enc_tbl Read and check an encoding table from a
** specified file.
** rd_xlt_tbl Read and check a character set translation
** table from a specified file.
** set_dec_tbl Invert an encoding table to form a decoding
** table.
** set_xlt_tbl Setup the character set translation table.
** show_file_context Show the context in which a file processing
** error occurred.
** vstrchr Search a string for the first occurrence of a
** specified character.
** vstricmp Compare two strings ignoring case differences.
** vstrnicmp Compare at most 'n' characters of two strings
** ignoring case differences.
** vstrrchr Search a string for the last occurrence of a
** specified character.
** vstrrstr Search a string for the last occurrence of
** any of a list of specified characters.
** vstrstr Search a string for the first occurrence of
** any of a list of specified characters.
** vv_timestamp Convert a Unix style time_t value into a
** VVcode format timestamp string.
** vstrdup Duplicate a string, allocating memory for the
** copy.
** vstrtrws Strip trailing whitespace from a string.
**
** COPYRIGHT
**
** Copyright (c) 1991-1993 by Niel Kempson <kempson@tex.ac.uk>
**
** This program 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 1, or
** (at your option) any later version.
**
** This program 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, write to the Free Software
** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
**
** In other words, you are welcome to use, share and improve this
** program. You are forbidden to forbid anyone else to use, share
** and improve what you give them. Help stamp out software-hoarding!
**
** CHANGE LOG
**
******************************************************************************
******************************************************************************
*/
/*
**----------------------------------------------------------------------------
** Forward declarations of functions in the file 'vvutils.c'
**----------------------------------------------------------------------------
*/
char *allocate_buffer ARGS ((CONST SIZE_T buf_len,
CONST char *buf_name));
void display_comment ARGS ((CONST File_Info *ip_file,
CONST char *line_ptr,
Header_Struct *hdr_struct));
void f_close ARGS ((File_Info *file));
Int16 getc_format ARGS ((CONST Qualifier_Struct *qual_format,
CONST char *fmt_str_array[]));
Int16 getc_mode ARGS ((CONST Qualifier_Struct *qual_mode,
CONST char *mode_str_array[]));
Int32 getc_reclen ARGS ((CONST Qualifier_Struct *qual_reclen,
CONST File_Info *ip_file));
TIME_T getc_timestamp ARGS ((CONST Qualifier_Struct *qual_timestamp));
Int16 header_type ARGS ((CONST File_Info *ip_file,
CONST char *line_ptr,
CONST Header_Struct *hdr_array));
void init_crc32_table ARGS ((CONST Int16 crc_table_size,
CONST Unsigned32 crc_polynomial,
Unsigned32 *crc_table));
Int16 lookup_key ARGS ((CONST char *key_list[],
CONST char *key_string,
CONST Int16 allow_abbrevs,
CONST Int16 case_sensitivity));
TIME_T make_time ARGS ((CONST struct tm *t_struct));
void open_log_file ARGS ((CONST Qualifier_Struct *log_qualifier,
CONST char *def_file_name,
CONST Int16 overwrite_flag,
File_Info *log_file));
void parse_header ARGS ((CONST File_Info *ip_file,
CONST char *line_ptr,
Header_Struct *hdr_struct));
TIME_T pars_time ARGS ((CONST char *time_str));
Boolean pars_xlt_tbl ARGS ((CONST char *xlt_buffer,
Xlt_Struct *xlt_tbl,
Int16 subst_char));
Boolean rd_enc_tbl ARGS ((File_Info *enc_file,
CONST Int16 enc_tbl_len,
char *encode_table));
Int16 rd_xlt_tbl ARGS ((Header_Struct *xlt_hdr_array,
File_Info *xlt_file,
Xlt_Struct *xlt_tbl));
void set_dec_tbl ARGS ((CONST Int16 enc_tbl_len,
CONST char *encode_table,
CONST Int16 dec_tbl_len,
Int16 *decode_table));
void set_xlt_tbl ARGS ((File_Info *xlt_file,
Xlt_Struct *xlt_table,
Header_Struct *xlt_hdr_array));
void show_file_context ARGS ((CONST File_Info *file,
CONST char *file_text));
char *vstrchr ARGS ((CONST char *str,
CONST int ch));
int vstricmp ARGS ((CONST char *str1,
CONST char *str2));
int vstrncmp ARGS ((CONST char *str1,
CONST char *str2,
CONST int max_chars));
int vstrnicmp ARGS ((CONST char *str1,
CONST char *str2,
CONST int max_chars));
char *vstrrchr ARGS ((CONST char *str,
CONST int ch));
char *vstrrstr ARGS ((CONST char *str,
CONST char *search_str));
char *vstrstr ARGS ((CONST char *str,
CONST char *search_str));
char *vv_timestamp ARGS ((TIME_T time_val));
char *vstrdup ARGS ((CONST char *str));
char *vstrtrws ARGS ((char *str));
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