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alloc_dir_failure
2009 Mar 21
0
[PATCH 1/1] SYSLINUX/COMBOOT: Abstract searchdir and fix the opendir call
...ax
+ xchg eax,[si+file_sector] ; Get sector number and free file structure
+ jmp .pathwalk ; Walk the next bit of the path
+
+ ; Found the desired directory; ZF set but EAX not 0
+.founddir:
+ and eax,eax ; Sector 0 is bad number
+ jz .notfound
+ call alloc_fill_dir ; re-allocate it
+ jnz .alloc_dir_failure
+ and eax,eax
+ ret
+
+.alloc_dir_failure:
+ xor eax,eax
+ ret
+
+.badfile:
+ xor eax,eax
+ mov [si],eax ; Free file structure
+
+.notfound:
+ xor eax,eax ; Zero out EAX
+ ret
+
+;
+; searchdir:
+;
+; Open a file
+;
+; On entry:
+; DS:DI = filename
+; If successful:
+; ZF cle...