/* Copyright (C) 2005 Red Hat, Inc. */
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#ifndef _SEMANAGE_PARSE_UTILS_INTERNAL_H_
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#define _SEMANAGE_PARSE_UTILS_INTERNAL_H_
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#include <stdio.h>
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#include <semanage/handle.h>
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typedef struct parse_info {
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unsigned int lineno; /* Current line number */
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char *orig_line; /* Original copy of the line being parsed */
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char *working_copy; /* Working copy of the line being parsed */
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char *ptr; /* Current parsing location */
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const char *filename; /* Input stream file name */
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FILE *file_stream; /* Input stream handle */
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void *parse_arg; /* Caller supplied argument */
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} parse_info_t;
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/* Initialize structure */
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extern int parse_init(semanage_handle_t * handle,
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const char *filename,
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void *parse_arg, parse_info_t ** info);
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/* Release structure */
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extern void parse_release(parse_info_t * info);
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/* Open file */
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extern int parse_open(semanage_handle_t * handle, parse_info_t * info);
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/* Close file */
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extern void parse_close(parse_info_t * info);
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/* Release resources for current line */
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extern void parse_dispose_line(parse_info_t * info);
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/* Skip all whitespace and comments */
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extern int parse_skip_space(semanage_handle_t * handle, parse_info_t * info);
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/* Throw an error if we're at the EOF */
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extern int parse_assert_noeof(semanage_handle_t * handle, parse_info_t * info);
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/* Throw an error if no whitespace follows,
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* otherwise eat the whitespace */
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extern int parse_assert_space(semanage_handle_t * handle, parse_info_t * info);
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/* Throw an error if the specified character
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* does not follow, otherwise eat that character */
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extern int parse_assert_ch(semanage_handle_t * handle,
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parse_info_t * info, const char ch);
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/* Throw an error if the specified string
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* does not follow is not found, otherwise
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* eat the string */
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extern int parse_assert_str(semanage_handle_t * handle,
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parse_info_t * info, const char *assert_str);
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/* Eat the optional character, if found,
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* or return STATUS_NODATA */
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extern int parse_optional_ch(parse_info_t * info, const char ch);
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/* Eat the optional string, if found,
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* or return STATUS_NODATA */
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extern int parse_optional_str(parse_info_t * info, const char *str);
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/* Extract the next integer, and move
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* the read pointer past it. Stop if
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* the optional character delim is encountered,
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* or if whitespace/eof is encountered */
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int parse_fetch_int(semanage_handle_t * hgandle,
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parse_info_t * info, int *num, char delim);
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/* Extract the next string (delimited by
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* whitespace), and move the read pointer past it.
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* Stop of the optional character delim is encountered,
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* or if whitespace/eof is encountered. Fail if the
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* string is of length 0. */
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extern int parse_fetch_string(semanage_handle_t * handle,
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parse_info_t * info, char **str_ptr, char delim);
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#endif
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