Feb 23, 2011 · The "sign-ness" of char is implementation defined. It doesn't have to be able to store negative numbers. In strict standardese, char even is ...

Aug 9, 2011 · signed char is signed. char may be unsigned or signed depending on your platform. Use signed char when you definitely want signedness.

Feb 19, 2021 · In this case, if the assumed signedness of char is wrong, (at least some?) compilers would warn about this when the char is signed and warnings ...

Oct 23, 2010 · According to ISO/IEC 9899:TC3,. calling a function through an expression of incompatible type is undefined behaviour (6.5.2.2 §9) ...

Aug 7, 2011 · ... char . On the other hand, this led to the current situation where portable code cannot make any assumptions about the signedness of char.

Jan 12, 2019 · Why do you want to use an array of uint8_t * to store char* s? – alk. Commented Jan 12, 2019 at 9:53. Add a comment ...

One major risk is if you need to shift the bytes. A signed char keeps the sign-bit when right-shifted, whereas an unsigned char doesn't.

Mar 6, 2010 · char will be the type used for UTF-8 because it's redefined to be sure it can be used with it: For the purpose of enhancing support for ...

Dec 7, 2016 · So when you think about integer conversion, think in terms of promotion followed by signedness changing. In the C++ standard, these two steps ...

Mar 12, 2016 · ... of memory allocation of *lineptr if *lineptr is non-null. Thus char *lsh_read_line(void) { char *line = NULL; size_t bufsize; ssize_t n_read ...