22 lines
1.1 KiB
C
22 lines
1.1 KiB
C
#ifndef NATIVE_JSON_NUMBERS_H
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#define NATIVE_JSON_NUMBERS_H
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#include <stddef.h>
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#include <stdio.h>
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#define NATIVE_JSON_DOUBLE_CAPACITY 32
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/* Locale-independent finite binary64 token; no terminating NUL is promised.
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* Returns its length, or zero for NaN/Infinity. Negative zero is -0.0 so both
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* Python and JavaScript JSON readers preserve its sign. */
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int native_json_format_double(char output[NATIVE_JSON_DOUBLE_CAPACITY], double value);
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/* Write a number, or a complete array from values[i*stride]. Each call flushes
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* its own fixed-size buffer into FILE, but does not fflush/fclose the FILE.
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* Return zero on invalid input/nonfinite values/write failure. A failed array
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* may have written a prefix: callers must not publish that document as valid.
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* The caller owns FILE and must check its final flush/close before publishing. */
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int native_json_write_number(FILE *file, double value);
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int native_json_write_array(FILE *file, const double *values, size_t count, size_t stride);
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int native_json_write_values(FILE *file, const double *values, size_t count, size_t stride, int leading_comma);
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#endif
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