
strlen() - keep the length of the string in a variable
Dec 23, 2015 · How can i keep the length of the string in a variable? for exemple: strlen (name); And then i want to save that number. how can i do that?
STRLEN() doesnt return a expected number - Arduino Forum
Dec 13, 2024 · I know this function cant go wrong so I must be doing something wrong. bool newData = true; char *AXpos; char *EYpos; const char *delimiter = ","; //char inData[numChars]; // an array to …
How to Use strlen_P - Programming - Arduino Forum
May 3, 2019 · Hi, Can anyone offer advice on how to use strlen_P to obtain the length of a string in progmem? In the example below, each of the four strings is length 1, 2, 3, and 4.
strlen () and sizeof () - Programming - Arduino Forum
May 22, 2020 · strcat(hi, extra); The hi array was declared with a length of 3. It does not increase in size just because you concatenated another string to it. strlen (), however, uses the '\0' to find the end of …
strlen not in arduino reference? And String library question
Dec 12, 2011 · Hi I'm new to Arduino but do like what I see so far from this interesting little platform. However, I seem to be finding the programming rather difficult. I noticed that the strlen() function is …
Sizeof with char* - Programming - Arduino Forum
May 3, 2021 · I'm using sizeof and strlen. With the char* strings I get back the right number from strlen, but it always kicks back "2" from sizeof. Doing the same with a string - that doesn't use char* - I get …
Question about size_t and strlen () - Arduino Forum
Jan 8, 2021 · strlen () is very different than sizeof: sizeof is part of the language, it gives you the number of bytes allocated for a variable. strlen () is a function call, part of the many standard libraries of C …
Determine size of uint8_t* and convert to ASCII? - Arduino Forum
Oct 22, 2010 · Most C string functions like strlen, strcat etc expect this. For functions filling that kind of buffer, safe coding and intercourse guides advice to pass a buffer length to the function and use a …
strlen and PROGMEM - Programming - Arduino Forum
Jan 4, 2020 · strlen_P(reinterpret_cast<const char *>(text)) Reinterpret_cast is dangerous, and can only be used in a very limited number of cases: reinterpret_cast conversion - cppreference.com In this …
Guru Meditation Error: Core 0 panic'ed (Interrupt wdt timeout on CPU0)
Nov 16, 2022 · You set all task on the core "tskNO_AFFINITY" and let the Operating System decide which core it will use. But now you don't know which of you tasks is running on Core0. It is best to let …