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5d5586b058
These are primarily fixes for "string is not string literal" warnings / errors (with -Werror -Wformat-nonliteral). This should be a no-op change. I had to replace couple of print helper functions with the code they call as it was becoming harder to eliminate these warnings, however these helpers were used only at couple of places, so no major change as such. Signed-off-by: Mahesh Bandewar <maheshb@google.com> Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
75 lines
2.8 KiB
C
75 lines
2.8 KiB
C
/* SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) */
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/*
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* Simple streaming JSON writer
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*
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* This takes care of the annoying bits of JSON syntax like the commas
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* after elements
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*
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* Authors: Stephen Hemminger <stephen@networkplumber.org>
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*/
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#ifndef _JSON_WRITER_H_
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#define _JSON_WRITER_H_
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#include <stdbool.h>
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#include <stdint.h>
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/* Opaque class structure */
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typedef struct json_writer json_writer_t;
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/* Create a new JSON stream */
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json_writer_t *jsonw_new(FILE *f);
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/* End output to JSON stream */
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void jsonw_destroy(json_writer_t **self_p);
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/* Cause output to have pretty whitespace */
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void jsonw_pretty(json_writer_t *self, bool on);
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/* Add property name */
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void jsonw_name(json_writer_t *self, const char *name);
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/* Add value */
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__attribute__((format(printf, 2, 3)))
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void jsonw_printf(json_writer_t *self, const char *fmt, ...);
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void jsonw_string(json_writer_t *self, const char *value);
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void jsonw_bool(json_writer_t *self, bool value);
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void jsonw_float(json_writer_t *self, double number);
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void jsonw_float_fmt(json_writer_t *self, const char *fmt, double num);
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void jsonw_uint(json_writer_t *self, unsigned int number);
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void jsonw_u64(json_writer_t *self, uint64_t number);
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void jsonw_xint(json_writer_t *self, uint64_t number);
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void jsonw_hu(json_writer_t *self, unsigned short number);
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void jsonw_int(json_writer_t *self, int number);
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void jsonw_s64(json_writer_t *self, int64_t number);
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void jsonw_null(json_writer_t *self);
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void jsonw_luint(json_writer_t *self, unsigned long int num);
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void jsonw_lluint(json_writer_t *self, unsigned long long int num);
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/* Useful Combinations of name and value */
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void jsonw_string_field(json_writer_t *self, const char *prop, const char *val);
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void jsonw_bool_field(json_writer_t *self, const char *prop, bool value);
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void jsonw_float_field(json_writer_t *self, const char *prop, double num);
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void jsonw_uint_field(json_writer_t *self, const char *prop, unsigned int num);
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void jsonw_u64_field(json_writer_t *self, const char *prop, uint64_t num);
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void jsonw_xint_field(json_writer_t *self, const char *prop, uint64_t num);
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void jsonw_hu_field(json_writer_t *self, const char *prop, unsigned short num);
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void jsonw_int_field(json_writer_t *self, const char *prop, int num);
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void jsonw_s64_field(json_writer_t *self, const char *prop, int64_t num);
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void jsonw_null_field(json_writer_t *self, const char *prop);
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void jsonw_luint_field(json_writer_t *self, const char *prop,
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unsigned long int num);
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void jsonw_lluint_field(json_writer_t *self, const char *prop,
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unsigned long long int num);
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/* Collections */
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void jsonw_start_object(json_writer_t *self);
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void jsonw_end_object(json_writer_t *self);
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void jsonw_start_array(json_writer_t *self);
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void jsonw_end_array(json_writer_t *self);
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/* Override default exception handling */
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typedef void (jsonw_err_handler_fn)(const char *);
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#endif /* _JSON_WRITER_H_ */
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