Generated C files for E2AP v2.0

[sim/e2-interface.git] / e2sim / previous / e2apv1sim / e2sim / ASN1c / oer_support.c

diff --git a/e2sim/previous/e2apv1sim/e2sim/ASN1c/oer_support.c b/e2sim/previous/e2apv1sim/e2sim/ASN1c/oer_support.c
deleted file mode 100644 (file)
index b15a3bc..0000000
--- a/e2sim/previous/e2apv1sim/e2sim/ASN1c/oer_support.c
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * Copyright (c) 2017 Lev Walkin <vlm@lionet.info>.
- * All rights reserved.
- * Redistribution and modifications are permitted subject to BSD license.
- */
-#include <asn_system.h>
-#include <asn_internal.h>
-
-#include <oer_support.h>
-
-/*
- * Fetch the length determinant (X.696 08/2015, #8.6) into *len_r.
- * RETURN VALUES:
- *       0:     More data expected than bufptr contains.
- *      -1:     Fatal error deciphering length.
- *      >0:     Number of bytes used from bufptr.
- */
-ssize_t
-oer_fetch_length(const void *bufptr, size_t size, size_t *len_r) {
-    uint8_t first_byte;
-    size_t len_len;    /* Length of the length determinant */
-    const uint8_t *b;
-    const uint8_t *bend;
-    size_t len;
-
-    if(size == 0) {
-        *len_r = 0;
-        return 0;
-    }
-
-    first_byte = *(const uint8_t *)bufptr;
-    if((first_byte & 0x80) == 0) {   /* Short form */
-        *len_r = first_byte; /* 0..127 */
-        return 1;
-    }
-
-    len_len = (first_byte & 0x7f);
-    if((1 + len_len) > size) {
-        *len_r = 0;
-        return 0;
-    }
-
-    b = (const uint8_t *)bufptr + 1;
-    bend = b + len_len;
-
-    for(; b < bend && *b == 0; b++) {
-        /* Skip the leading 0-bytes */
-    }
-
-    if((bend - b) > (ssize_t)sizeof(size_t)) {
-        /* Length is not representable by the native size_t type */
-        *len_r = 0;
-        return -1;
-    }
-
-    for(len = 0; b < bend; b++) {
-        len = (len << 8) + *b;
-    }
-
-    if(len > RSIZE_MAX) { /* A bit of C11 validation */
-        *len_r = 0;
-        return -1;
-    }
-
-    *len_r = len;
-    assert(len_len + 1 == (size_t)(bend - (const uint8_t *)bufptr));
-    return len_len + 1;
-}
-
-
-/*
- * Serialize OER length. Returns the number of bytes serialized
- * or -1 if a given callback returned with negative result.
- */
-ssize_t
-oer_serialize_length(size_t length, asn_app_consume_bytes_f *cb,
-                     void *app_key) {
-    uint8_t scratch[1 + sizeof(length)];
-    uint8_t *sp = scratch;
-    int littleEndian = 1;   /* Run-time detection */
-    const uint8_t *pstart;
-    const uint8_t *pend;
-    const uint8_t *p;
-    int add;
-
-    if(length <= 127) {
-        uint8_t b = length;
-        if(cb(&b, 1, app_key) < 0) {
-            return -1;
-        }
-        return 1;
-    }
-
-    if(*(char *)&littleEndian) {
-        pstart = (const uint8_t *)&length + sizeof(length) - 1;
-        pend = (const uint8_t *)&length;
-        add = -1;
-    } else {
-        pstart = (const uint8_t *)&length;
-        pend = pstart + sizeof(length);
-        add = 1;
-    }
-
-    for(p = pstart; p != pend; p += add) {
-        /* Skip leading zeros. */
-        if(*p) break;
-    }
-
-    for(sp = scratch + 1; ; p += add) {
-        *sp++ = *p;
-        if(p == pend) break;
-    }
-    assert((sp - scratch) - 1 <= 0x7f);
-    scratch[0] = 0x80 + ((sp - scratch) - 1);
-
-    if(cb(scratch, sp - scratch, app_key) < 0) {
-        return -1;
-    }
-
-    return sp - scratch;
-}
-