How can I make gdb print unprintable characters of a string in hex instead of octal while preserving the ascii characters in ascii form?

Question

Suppose I have a buffer buf whose c string representation is

 char* buf = \"Hello World \\x1c\"

When I print this buf in gdb using

Answer 1

You might use the x command to dump the memory your char-pointer points to:

(gdb) x/32xb buf

shows the first 32 bytes.

See

(gdb) help x

for details.