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.TH "BSON_MEM_SET_VTABLE" "3" "Feb 22, 2024" "1.26.0" "libbson"
.SH SYNOPSIS
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.INDENT 3.5
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.EX
typedef struct _bson_mem_vtable_t {
   void *(*malloc) (size_t num_bytes);
   void *(*calloc) (size_t n_members, size_t num_bytes);
   void *(*realloc) (void *mem, size_t num_bytes);
   void (*free) (void *mem);
   void *(*aligned_alloc) (size_t alignment, size_t num_bytes);
   void *padding[3];
} bson_mem_vtable_t;

void
bson_mem_set_vtable (const bson_mem_vtable_t *vtable);
.EE
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.SH PARAMETERS
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.IP \(bu 2
\fBvtable\fP: A bson_mem_vtable_t with every non\-padding field set.
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.SH DESCRIPTION
.sp
This function shall install a new memory allocator to be used by Libbson.
.sp
For backwards compatibility, if \fBvtable\->aligned_alloc\fP is not set, calls to \fBvtable\->aligned_alloc\fP will use \fBvtable\->malloc\fP instead.
.sp
\fBWARNING:\fP
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.INDENT 3.5
This function \fIMUST\fP be called at the beginning of the process. Failure to do so will result in memory being freed by the wrong allocator.
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.UNINDENT
.SH AUTHOR
MongoDB, Inc
.SH COPYRIGHT
2017-present, MongoDB, Inc
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