firmware/src/meshUtils.cpp
Jonathan Bennett cf476eb87c
Remove assert in mesh-pb-constants.cpp (#5207)
* Remove assert in mesh-pb-constants.cpp

* Add raw packet output to portduino trace logging.

---------

Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
2024-11-02 05:38:44 -05:00

109 lines
3.6 KiB
C++

#include "meshUtils.h"
#include <string.h>
/*
* Find the first occurrence of find in s, where the search is limited to the
* first slen characters of s.
* -
* Copyright (c) 2001 Mike Barcroft <mike@FreeBSD.org>
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Chris Torek.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
char *strnstr(const char *s, const char *find, size_t slen)
{
char c;
if ((c = *find++) != '\0') {
char sc;
size_t len;
len = strlen(find);
do {
do {
if (slen-- < 1 || (sc = *s++) == '\0')
return (NULL);
} while (sc != c);
if (len > slen)
return (NULL);
} while (strncmp(s, find, len) != 0);
s--;
}
return ((char *)s);
}
void printBytes(const char *label, const uint8_t *p, size_t numbytes)
{
int labelSize = strlen(label);
char *messageBuffer = new char[labelSize + (numbytes * 3) + 2];
strncpy(messageBuffer, label, labelSize);
for (size_t i = 0; i < numbytes; i++)
snprintf(messageBuffer + labelSize + i * 3, 4, " %02x", p[i]);
strcpy(messageBuffer + labelSize + numbytes * 3, "\n");
LOG_DEBUG(messageBuffer);
delete[] messageBuffer;
}
bool memfll(const uint8_t *mem, uint8_t find, size_t numbytes)
{
for (uint8_t i = 0; i < numbytes; i++) {
if (mem[i] != find)
return false;
}
return true;
}
bool isOneOf(int item, int count, ...)
{
va_list args;
va_start(args, count);
bool found = false;
for (int i = 0; i < count; ++i) {
if (item == va_arg(args, int)) {
found = true;
break;
}
}
va_end(args);
return found;
}
const std::string vformat(const char *const zcFormat, ...)
{
va_list vaArgs;
va_start(vaArgs, zcFormat);
va_list vaArgsCopy;
va_copy(vaArgsCopy, vaArgs);
const int iLen = std::vsnprintf(NULL, 0, zcFormat, vaArgsCopy);
va_end(vaArgsCopy);
std::vector<char> zc(iLen + 1);
std::vsnprintf(zc.data(), zc.size(), zcFormat, vaArgs);
va_end(vaArgs);
return std::string(zc.data(), iLen);
}