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Import libAAF into Ardour's source-tree
tools/update_libaaf.sh - libaaf v0.1-85-g3e4c2cd
This commit is contained in:
Robin Gareus
parent
47e437c2aa
commit
7593551e49
48 changed files with 24378 additions and 0 deletions
357
libs/aaf/utils.c
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357
libs/aaf/utils.c
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/*
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* Copyright (C) 2017-2023 Adrien Gesta-Fline
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*
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* This file is part of libAAF.
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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 General Public License as published by
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* the Free Software Foundation; either version 2 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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <ctype.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <wchar.h>
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#include "aaf/utils.h"
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#define BUILD_PATH_DEFAULT_BUF_SIZE 1024
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int
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laaf_util_wstr_contains_nonlatin (const wchar_t* str)
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{
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for (size_t i = 0; str[i] != 0x0000; i++) {
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/* if char is out of the Basic Latin range */
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if (str[i] > 0xff) {
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return 1;
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}
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}
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return 0;
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}
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char*
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laaf_util_clean_filename (char* fname)
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{
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/*
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* sanitize file/dir name
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* https://stackoverflow.com/a/31976060
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*/
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size_t len = strlen (fname);
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for (size_t i = 0; i < len; i++) {
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unsigned char c = fname[i];
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if (c == '/' ||
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c == '<' ||
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c == '>' ||
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c == ':' ||
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c == '"' ||
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c == '|' ||
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c == '?' ||
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c == '*' ||
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c == '\\' ||
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(c > 0 && c < 0x20)) {
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fname[i] = '_';
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}
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}
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/* windows filenames can't end with ' ' or '.' */
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for (int i = len - 1; i > 0; i--) {
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char c = fname[i];
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if (c != ' ' && c != '.') {
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break;
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}
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fname[i] = '_';
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}
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return fname;
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}
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const char*
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laaf_util_fop_get_file (const char* filepath)
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{
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if (filepath == NULL) {
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return NULL;
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}
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const char* end = filepath + strlen (filepath);
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while (end > filepath && !IS_DIR_SEP (*end)) {
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--end;
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}
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return (IS_DIR_SEP (*end)) ? end + 1 : end;
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}
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char*
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laaf_util_build_path (const char* sep, const char* first, ...)
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{
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char* str = malloc (BUILD_PATH_DEFAULT_BUF_SIZE);
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if (str == NULL) {
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return NULL;
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}
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size_t len = BUILD_PATH_DEFAULT_BUF_SIZE;
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size_t offset = 0;
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va_list args;
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if (!sep) {
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sep = DIR_SEP_STR;
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}
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int element_count = 0;
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va_start (args, first);
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const char* arg = first;
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do {
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int arglen = strlen (arg);
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int argstart = 0;
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int has_leading_sep = 0;
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/* trim leading DIR_SEP */
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for (int i = 0; arg[i] != 0x00; i++) {
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if (IS_DIR_SEP (arg[i])) {
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has_leading_sep = 1;
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argstart++;
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} else {
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break;
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}
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}
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/* trim trailing DIR_SEP */
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for (int i = arglen - 1; i >= argstart; i--) {
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if (IS_DIR_SEP (arg[i])) {
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arglen--;
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} else {
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break;
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}
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}
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/* TODO ? */
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if (element_count == 0 && has_leading_sep) {
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} else {
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}
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size_t reqlen = snprintf (NULL, 0, "%.*s", arglen - argstart, arg + argstart) + 1;
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if (offset + reqlen >= len) {
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reqlen = ((offset + reqlen) > (len + BUILD_PATH_DEFAULT_BUF_SIZE)) ? (offset + reqlen) : (len + BUILD_PATH_DEFAULT_BUF_SIZE);
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char* tmp = realloc (str, (offset + reqlen));
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if (tmp) {
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str = tmp;
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len = (offset + reqlen);
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} else {
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free (str);
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return NULL;
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}
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}
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offset += snprintf (str + offset, len - offset, "%s%.*s",
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((element_count == 0 && has_leading_sep) || (element_count > 0)) ? sep : "",
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arglen - argstart,
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arg + argstart);
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element_count++;
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} while ((arg = va_arg (args, char*)) != NULL);
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va_end (args);
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return str;
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}
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int
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laaf_util_snprintf_realloc (char** str, int* size, size_t offset, const char* format, ...)
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{
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int tmpsize = 0;
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if (!size) {
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size = &tmpsize;
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}
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int retval, needed;
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va_list ap;
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va_start (ap, format);
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while (0 <= (retval = vsnprintf ((*str) + offset, (*size) - offset, format, ap)) && (int64_t) ((*size) - offset) < (needed = retval + 1)) {
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va_end (ap);
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*size *= 2;
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if ((int64_t) ((*size) - offset) < needed)
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*size = needed + offset;
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char* p = realloc (*str, *size);
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if (p) {
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*str = p;
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} else {
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free (*str);
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*str = NULL;
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*size = 0;
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return -1;
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}
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va_start (ap, format);
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}
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va_end (ap);
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return retval;
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}
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int
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laaf_util_vsnprintf_realloc (char** str, int* size, int offset, const char* fmt, va_list* args)
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{
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va_list args2, args3;
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va_copy (args2, *args);
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va_copy (args3, *args);
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int needed = vsnprintf (NULL, 0, fmt, args2) + 1;
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if (needed >= (*size) - offset) {
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char* p = realloc (*str, offset + needed);
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if (p) {
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*str = p;
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*size = offset + needed;
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} else {
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/* If realloc() fails, the original block is left untouched; it is not freed or moved. */
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va_end (args2);
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va_end (args3);
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return -1;
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}
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}
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va_end (args2);
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int written = vsnprintf ((*str) + offset, (*size) - offset, fmt, args3);
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va_end (args3);
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return written;
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}
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char*
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laaf_util_c99strdup (const char* src)
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{
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if (!src) {
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return NULL;
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}
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int len = 0;
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while (src[len]) {
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len++;
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}
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char* str = malloc (len + 1);
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if (!str)
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return NULL;
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char* p = str;
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while (*src) {
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*(p++) = *(src++);
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}
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*p = '\0';
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return str;
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}
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int
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laaf_util_dump_hex (const unsigned char* stream, size_t stream_sz, char** buf, int* bufsz, int offset)
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{
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if (stream == NULL) {
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return -1;
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}
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int initialOffset = offset;
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uint32_t i = 0;
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char hex[49];
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char ascii[19];
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uint32_t count = 0;
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offset += laaf_util_snprintf_realloc (buf, bufsz, offset, " ______________________________ Hex Dump ______________________________\n\n");
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while (count < stream_sz) {
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uint32_t lineLen = (stream_sz - count) / 16;
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if (lineLen <= 0)
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lineLen = (stream_sz) % 16;
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else
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lineLen = 16;
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memset (&hex, 0x20, sizeof (hex));
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memset (&ascii, 0x00, sizeof (ascii));
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uint32_t linepos = 0;
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for (i = 0; i < lineLen; i++) {
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linepos += snprintf (&hex[linepos], sizeof (hex) - (linepos), "%02x%s", *(const unsigned char*)(stream + count + i), (i == 7) ? " " : " ");
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if (i < 8) {
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if (isalnum (*(stream + count + i)))
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ascii[i] = *(const unsigned char*)(stream + count + i);
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else
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ascii[i] = '.';
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} else if (i > 8) {
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if (isalnum (*(stream + count + i)))
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ascii[i + 1] = *(const unsigned char*)(stream + count + i);
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else
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ascii[i + 1] = '.';
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} else {
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if (isalnum (*(stream + count + i))) {
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ascii[i] = ' ';
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ascii[i + 1] = *(const unsigned char*)(stream + count + i);
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} else {
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ascii[i] = ' ';
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ascii[i + 1] = '.';
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}
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}
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}
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/* Fill with blank the rest of the line */
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if (lineLen < 16) {
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for (i = linepos; i < 48; i++) {
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hex[linepos++] = 0x20;
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}
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}
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/* terminate the line */
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hex[48] = 0x00;
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count += lineLen;
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offset += laaf_util_snprintf_realloc (buf, bufsz, offset, " %s | %s\n", hex, ascii);
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}
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offset += laaf_util_snprintf_realloc (buf, bufsz, offset, " ______________________________________________________________________\n\n");
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return offset - initialOffset; /* bytes written */
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}
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