44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
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/*
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* Copyright (c) 2017 Lev Walkin <vlm@lionet.info>.
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* All rights reserved.
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* Redistribution and modifications are permitted subject to BSD license.
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*/
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#include <asn_internal.h>
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#include <NativeInteger.h>
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/*
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* INTEGER specific human-readable output.
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*/
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int
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NativeInteger_print(const asn_TYPE_descriptor_t *td, const void *sptr,
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int ilevel, asn_app_consume_bytes_f *cb, void *app_key) {
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const asn_INTEGER_specifics_t *specs =
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(const asn_INTEGER_specifics_t *)td->specifics;
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const long *native = (const long *)sptr;
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char scratch[32]; /* Enough for 64-bit int */
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int ret;
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(void)td; /* Unused argument */
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(void)ilevel; /* Unused argument */
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if(native) {
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long value = *native;
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ret = snprintf(scratch, sizeof(scratch),
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(specs && specs->field_unsigned) ? "%lu" : "%ld", value);
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assert(ret > 0 && (size_t)ret < sizeof(scratch));
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if(cb(scratch, ret, app_key) < 0) return -1;
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if(specs && (value >= 0 || !specs->field_unsigned)) {
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const asn_INTEGER_enum_map_t *el =
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INTEGER_map_value2enum(specs, value);
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if(el) {
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if(cb(" (", 2, app_key) < 0) return -1;
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if(cb(el->enum_name, el->enum_len, app_key) < 0) return -1;
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if(cb(")", 1, app_key) < 0) return -1;
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}
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}
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return 0;
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} else {
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return (cb("<absent>", 8, app_key) < 0) ? -1 : 0;
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}
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}
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