memory.h is included everywhere for this.

Also some minor edits.

that list in case something goes wrong in the function and we must bail out.
Courtesy of the torture testing.

previously they could return a piece of the string, making it impossible
for the caller to detect errors.

happens

When failing, it should not tamper at all with the data it was supposed to
add to the cache.

quotes...

building formposts

internally-used name.

Also, make sure we have room for the trailing zero, only scan to size-1.

Gisle Vanem reported.

known source files. Not actually verified to work yet.

when ares fails to resolve a name. This was fixed before but somehow has
fallen out again!

compilers to warn

extra lib is used to prevent compiler warnings ("variable set but not used")
on that case

pointer!

overflow on 32bit filesize-systems

are transfered. The maximum size we support now is 8 exabytes, which equals
to 8192 petabytes...