Split file into directory and base name

Signed-off-by: Alan Jowett <[email protected]>

libfuzzer/split.sh

@@ -1,33 +1,37 @@
 #!/bin/bash
 
+# Split the file name into path and base name
+path=$(dirname $1)
+base=$(basename $1)
+
 # Get the first 4 bytes from the file (which is the length of the program)
-input="$(xxd -p -l 4 $1)"
+input="$(xxd -p -l 4 $base)"
 # Convert from little endian
 input="${input:6:2}${input:4:2}${input:2:2}${input:0:2}"
 
 # Convert input from hex string to value
 length=$((16#$input))
 
 # Extract the hash part from the file name
-hash=$(echo $1 | cut -d'-' -f2-)
+hash=$(echo $base | cut -d'-' -f2-)
 
 # Copy the program to a file named program-$hash
 echo "Extracting program-$hash..."
-dd if=$1 of=program-$hash bs=1 skip=4 count=$length 2> /dev/null
+dd if=$1 of=$path/program-$hash bs=1 skip=4 count=$length 2> /dev/null
 
 echo "Extracting memory-$hash..."
 # Copy the rest to a file named memory-$hash
-dd if=$1 of=memory-$hash bs=1 skip=$((4 + $length)) 2> /dev/null
+dd if=$1 of=$path/memory-$hash bs=1 skip=$((4 + $length)) 2> /dev/null
 
 echo "Disassembling program-$hash..."
 # Unassembly program using bin/ubpf-disassembler
-bin/ubpf-disassembler program-$hash > program-$hash.asm
+bin/ubpf-disassembler $path/program-$hash > $path/program-$hash.asm
 
-echo "Program size: $(stat -c %s program-$hash)"
-echo "Memory size: $(stat -c %s memory-$hash)"
+echo "Program size: $(stat -c %s $path/program-$hash)"
+echo "Memory size: $(stat -c %s $path/memory-$hash)"
 
 echo "Disassembled program:"
-cat program-$hash.asm
+cat $path/program-$hash.asm
 
 echo "Memory contents:"
-xxd memory-$hash
+xxd $path/memory-$hash