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.TH "BSON_AS_JSON" "3" "Feb 22, 2024" "1.26.0" "libbson"
.SH SYNOPSIS
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.INDENT 3.5
.sp
.EX
char *
bson_as_json (const bson_t *bson, size_t *length);
.EE
.UNINDENT
.UNINDENT
.SH PARAMETERS
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.IP \(bu 2
\fBbson\fP: A \fI\%bson_t\fP\&.
.IP \(bu 2
\fBlength\fP: An optional location for the length of the resulting string.
.UNINDENT
.SH DESCRIPTION
.sp
The \fI\%bson_as_json()\fP function shall encode \fBbson\fP as a UTF\-8 string using libbson\(aqs legacy JSON format. This function is superseded by \fI\%bson_as_canonical_extended_json()\fP and \fI\%bson_as_relaxed_extended_json()\fP, which use the same \fI\%MongoDB Extended JSON format\fP as all other MongoDB drivers.
.sp
The caller is responsible for freeing the resulting UTF\-8 encoded string by calling \fI\%bson_free()\fP with the result.
.sp
If non\-NULL, \fBlength\fP will be set to the length of the result in bytes.
.SH RETURNS
.sp
If successful, a newly allocated UTF\-8 encoded string and \fBlength\fP is set.
.sp
Upon failure, NULL is returned.
.SH EXAMPLE
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.INDENT 3.5
.sp
.EX
#include <bson/bson.h>

int main ()
{
   bson_t bson;
   char *str;

   bson_init (&bson);
   BSON_APPEND_UTF8 (&bson, \(dq0\(dq, \(dqfoo\(dq);
   BSON_APPEND_UTF8 (&bson, \(dq1\(dq, \(dqbar\(dq);

   str = bson_as_json (&bson, NULL);
   /* Prints
    * { \(dq0\(dq : \(dqfoo\(dq, \(dq1\(dq : \(dqbar\(dq }
    */
   printf (\(dq%s\en\(dq, str);
   bson_free (str);

   bson_destroy (&bson);
}
.EE
.UNINDENT
.UNINDENT
.SH AUTHOR
MongoDB, Inc
.SH COPYRIGHT
2017-present, MongoDB, Inc
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