/usr/include/inn/confparse.h is in inn2-dev 2.5.3-3ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 | /* $Id: confparse.h 8838 2009-12-03 21:11:00Z iulius $
**
** Configuration file parsing interface.
*/
#ifndef INN_CONFPARSE_H
#define INN_CONFPARSE_H 1
#include <inn/defines.h>
/* Avoid including <inn/vector.h> unless the client needs it. */
struct vector;
/* The opaque data type representing a configuration tree. */
struct config_group;
BEGIN_DECLS
/* Parse the given file and build a configuration tree. This does purely
syntactic parsing; no semantic checking is done. After the file name, a
NULL-terminated list of const char * pointers should be given, naming the
top-level group types that the caller is interested in. If none are given
(if the second argument is NULL), the entire file is parsed. (This is
purely for efficiency reasons; if one doesn't care about speed, everything
will work the same if no types are given.)
Returns a config_group for the top-level group representing the entire
file. Generally one never wants to query parameters in this group;
instead, the client should then call config_find_group for the group type
of interest. Returns NULL on failure to read the file or on a parse
failure; errors are reported via warn. */
struct config_group *config_parse_file(const char *filename, /* types */ ...);
/* config_find_group returns the first group of the given type found in the
tree rooted at its argument. config_next_group returns the next group in
the tree of the same type as the given group (or NULL if none is found).
This can be used to do such things as enumerate all "peer" groups in a
configuration file. */
struct config_group *config_find_group(struct config_group *,
const char *type);
struct config_group *config_next_group(struct config_group *);
/* Accessor functions for group information. */
const char *config_group_type(struct config_group *);
const char *config_group_tag(struct config_group *);
/* Look up a parameter in a given config tree. The second argument is the
name of the parameter, and the result will be stored in the third argument
if the function returns true. If it returns false, the third argument is
unchanged and that parameter wasn't set (or was set to an invalid value for
the expected type). */
bool config_param_boolean(struct config_group *, const char *, bool *);
bool config_param_signed_number(struct config_group *, const char *, long *);
bool config_param_unsigned_number(struct config_group *, const char *, unsigned long *);
bool config_param_real(struct config_group *, const char *, double *);
bool config_param_string(struct config_group *, const char *, const char **);
bool config_param_list(struct config_group *, const char *,
const struct vector **);
/* Used for checking a configuration file, returns a vector of all parameters
set for the given config_group, including inherited ones. */
struct vector *config_params(struct config_group *);
/* Used for reporting semantic errors, config_error_param reports the given
error at a particular parameter in a config_group and config_error_group
reports an error at the definition of that group. The error is reported
using warn. */
void config_error_group(struct config_group *, const char *format, ...)
__attribute__((__format__(printf, 2, 3)));
void config_error_param(struct config_group *, const char *key,
const char *format, ...)
__attribute__((__format__(printf, 3, 4)));
/* Free all space allocated by the tree rooted at config_group. One normally
never wants to do this. WARNING: This includes the storage allocated for
all strings returned by config_param_string and config_param_list for any
configuration groups in this tree. */
void config_free(struct config_group *);
END_DECLS
#endif /* INN_CONFPARSE_H */
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