260 lines
5.4 KiB
C
260 lines
5.4 KiB
C
/*
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* Copyright (C) 2019 by Sukchan Lee <acetcom@gmail.com>
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*
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* This file is part of Open5GS.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "core-config-private.h"
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#if HAVE_CTYPE_H
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#include <ctype.h>
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#endif
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#if HAVE_LIMITS_H
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#include <limits.h>
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#endif
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#include "ogs-core.h"
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int ogs_ascii_to_hex(char *in, int in_len, void *out, int out_len)
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{
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int i = 0, j = 0, k = 0, hex;
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uint8_t *out_p = out;
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while(i < in_len && j < out_len) {
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if (!isspace(in[i])) {
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hex = isdigit(in[i]) ? in[i] - '0' :
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islower(in[i]) ? in[i] - 'a' + 10 : in[i] - 'A' + 10;
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if ((k & 0x1) == 0) {
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out_p[j] = (hex << 4);
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} else {
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out_p[j] |= hex;
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j++;
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}
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k++;
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}
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i++;
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}
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return j;
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}
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void *ogs_hex_to_ascii(void *in, int in_len, void *out, int out_len)
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{
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char *p, *last;
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int i = 0, l, off = 0;
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p = out;
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last = p + out_len;
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p[0] = 0;
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l = (in_len - off) > out_len ? out_len : in_len - off;
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for (i = 0; i < l; i++) {
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p = ogs_slprintf(p, last, "%02x", ((char*)in)[off+i] & 0xff);
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}
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return out;
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}
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void *ogs_uint64_to_buffer(uint64_t num, int size, void *buffer)
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{
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int i;
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uint8_t *buffer_p = buffer;
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for (i = 0; i < size; i++)
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buffer_p[i] = (num >> ((size-1-i) * 8)) & 0xff;
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return buffer;
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}
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uint64_t ogs_buffer_to_uint64(void *buffer, int size)
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{
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uint64_t num = 0;
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uint8_t *buffer_p = buffer;
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int i;
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for (i = 0; i < size; i++) {
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num |= (((uint64_t)buffer_p[i]) << ((size-1-i) * 8));
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}
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return num;
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}
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void *ogs_bcd_to_buffer(const char *in, void *out, int *out_len)
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{
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int i = 0;
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uint8_t *out_p = out;
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int in_len = strlen(in);
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for (i = 0; i < in_len; i++) {
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if (i & 0x01)
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out_p[i>>1] = out_p[i>>1] | (((in[i] - 0x30) << 4) & 0xF0);
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else
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out_p[i>>1] = (in[i] - 0x30) & 0x0F;
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}
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*out_len = (in_len + 1) / 2;
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if (in_len & 0x01) {
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out_p[(*out_len)-1] |= 0xF0;
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}
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return out;
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}
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void *ogs_bcd_to_buffer_reverse_order(const char *in, void *out, int *out_len)
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{
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int i = 0;
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uint8_t *out_p = out;
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int in_len = strlen(in);
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for (i = 0; i < in_len; i++) {
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if (i & 0x01)
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out_p[i>>1] = out_p[i>>1] | ((in[i] - 0x30) & 0x0F);
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else
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out_p[i>>1] = ((in[i] - 0x30) << 4) & 0xF0;
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}
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*out_len = (in_len + 1) / 2;
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if (in_len & 0x01) {
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out_p[(*out_len)-1] |= 0xF0;
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}
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return out;
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}
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void *ogs_buffer_to_bcd(uint8_t *in, int in_len, void *out)
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{
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int i = 0;
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uint8_t *out_p = out;
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for (i = 0; i < in_len-1; i++) {
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out_p[i*2] = 0x30 + (in[i] & 0x0F);
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out_p[i*2+1] = 0x30 + ((in[i] & 0xF0) >> 4);
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}
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if ((in[i] & 0xF0) == 0xF0) {
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out_p[i*2] = 0x30 + (in[i] & 0x0F);
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out_p[i*2+1] = 0;
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} else {
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out_p[i*2] = 0x30 + (in[i] & 0x0F);
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out_p[i*2+1] = 0x30 + ((in[i] & 0xF0) >> 4);
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out_p[i*2+2] = 0;
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}
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return out;
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}
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char ogs_from_hex(char ch)
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{
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return isdigit(ch) ? ch - '0' : tolower(ch) - 'a' + 10;
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}
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char ogs_to_hex(char ch)
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{
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static char hex[] = "0123456789ABCDEF";
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return hex[ch & 15];
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}
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char *ogs_uint24_to_0string(ogs_uint24_t x)
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{
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return ogs_msprintf("%06x", x.v);
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}
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char *ogs_uint28_to_0string(uint32_t x)
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{
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return ogs_msprintf("%07x", x);
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}
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char *ogs_uint32_to_0string(uint32_t x)
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{
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return ogs_msprintf("%08x", x);
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}
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char *ogs_uint36_to_0string(uint64_t x)
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{
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return ogs_msprintf("%09llx", (long long)x);
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}
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char *ogs_uint64_to_0string(uint64_t x)
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{
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return ogs_msprintf("%016llx", (long long)x);
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}
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char *ogs_uint64_to_string(uint64_t x)
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{
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char *str, *p, *dup;
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str = ogs_uint64_to_0string(x);
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if (!str) {
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ogs_error("ogs_uint64_to_0string[%lld] failed", (long long)x);
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return NULL;
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}
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p = ogs_left_trimcharacter(str, '0');
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if (!p) {
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ogs_error("ogs_left_trimcharacter[%s] failld", str);
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return NULL;
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}
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dup = ogs_strdup(p);
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ogs_free(str);
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return dup;
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}
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ogs_uint24_t ogs_uint24_from_string(char *str)
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{
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ogs_uint24_t x;
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ogs_assert(str);
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x.v = ogs_uint64_from_string(str);
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return x;
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}
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uint64_t ogs_uint64_from_string(char *str)
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{
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uint64_t x;
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ogs_assert(str);
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if (strlen(str) == 0)
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return 0;
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errno = 0;
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x = strtoll(str, NULL, 16);
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if ((errno == ERANGE && (x == LONG_MAX || x == LONG_MIN)) ||
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(errno != 0 && x == 0)) {
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ogs_log_message(OGS_LOG_FATAL, ogs_errno, "strtoll()) failed [%lld]",
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(long long)x);
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ogs_assert_if_reached();
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}
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return x;
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}
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double *ogs_alloc_double(double value)
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{
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double *mem = (double *)ogs_calloc(1, sizeof(double));
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if (!mem) {
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ogs_error("No memory");
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return NULL;
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}
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*mem = value;
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return mem;
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}
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