Does it work if you load FreeCOM via SHELL instead of SHELLHIGH?
If I modify fdconfig.sys to use 12=SHELL instead 12=SHELLHIGH for the
first two menu options, FreeCOM also works with the JEMMEX NOEMS option.
Bernd
On 18.02.2025 20:42, Paul Dufresne via Freedos-devel wrote:
---- Le mar., 18 févr. 2025 14:31:04 -0500 Jim Hall via Freedos-devel a écrit
----
I don't understand this code question, so I'll try to unwind it.
'malloc' allocates memory of size_t size, and returns a pointer to the
allocated memory .. or NULL if it could not allocate the memory.
I didn't look at the shell/init.c code for what kind of variable
'cmdline' is, but I assume it's a pointer? If 'cmdlen' is the number
of characters you want to allocate (let's say cmdlen=40) then you
should use:
cmdline = malloc( sizeof(char) * (cmdlen+1) );
Having called 'malloc' to get the memory, you should test it like this:
if (cmdline == NULL) {
/* out of memory */
error_out_of_memory();
return E_NoMem;
}
After that test, you can assume cmdline has a valid pointer to enough
memory to store the 40 characters.
I was more like saying... there is not enough memory left to allocate the
command.com command line
that is about 40 bytes...
So the question is how could I explain there is not enough memory...
the under question is malloc (specifically in the shell code) take it's memory
from which pool of memory?
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