Is realloc(3) permitted to fail when shrinking a block?
Sat Aug 15 07:07:17 GMT 2020
* 孙世龙 sunshilong via Gcc-help:
> As the subject, I couldn't find any positive or negative statements
> about this matter in the Linux Programmer's Manual.
> Could somebody shed some light on this matter?
As a quality-of-implementation issue, I would not expect realloc to
fail when shrinking a block. As a fallback, it can always keep the
block in its original size, not changing anything.
The C standard does not require that reducing the size cannot lead to
More information about the Gcc-help