FreeCalypso > hg > freecalypso-sw
diff target-utils/libmpffs/basicfind.c @ 103:ac310ee73788
target-utils/libmpffs: minor refactoring, read into RAM implemented
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
---|---|
date | Mon, 02 Sep 2013 01:28:11 +0000 |
parents | 7f75ffdd674f |
children |
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--- a/target-utils/libmpffs/basicfind.c Mon Sep 02 00:41:18 2013 +0000 +++ b/target-utils/libmpffs/basicfind.c Mon Sep 02 01:28:11 2013 +0000 @@ -6,25 +6,6 @@ extern char *index(); -static u8 * -find_endofchunk(ino) -{ - struct inode *irec = mpffs_active_index + ino; - u8 *p; - int i; - - p = inode_to_dataptr(irec) + irec->len; - for (i = 0; i < 16; i++) { - p--; - if (!*p) - return(p); - if (*p != 0xFF) - break; - } - printf("Error: inode #%x has no valid termination\n", ino); - return(p); /* XXX */ -} - static find_named_child(start, seekname) char *seekname; @@ -82,85 +63,3 @@ } return(ino); } - -mpffs_find_file(pathname, startret, sizeret, continue_ret) - char *pathname; - u8 **startret; - size_t *sizeret; - int *continue_ret; -{ - int ino, cont; - struct inode *irec; - u8 *start, *end; - int size; - - ino = mpffs_pathname_to_inode(pathname); - if (ino <= 0) - return(-1); - irec = mpffs_active_index + ino; - if (irec->type != OBJTYPE_FILE) { - printf("Error: %s is not a regular file\n", pathname); - return(-1); - } - start = inode_to_dataptr(irec); - start += strlen(start) + 1; - end = find_endofchunk(ino); - size = end - start; - if (size < 0) - size = 0; - cont = irec->descend; - if (cont == 0xFFFF) - cont = 0; - if (startret) - *startret = start; - if (sizeret) - *sizeret = size; - if (continue_ret) - *continue_ret = cont; - return(0); -} - -mpffs_get_segment(ino, startret, sizeret, continue_ret) - int ino; - u8 **startret; - size_t *sizeret; - int *continue_ret; -{ - int cont; - struct inode *irec; - u8 *start, *end; - int size; - - for (;;) { - irec = mpffs_active_index + ino; - if (irec->type) - break; - if (irec->sibling == 0xFFFF) { - printf("Error: segment inode #%d: deleted and no sibling\n", - ino); - return(-1); - } - ino = irec->sibling; - } - if (irec->type != OBJTYPE_SEGMENT) { - printf("Error: inode #%x is not a segment\n", ino); - return(-1); - } - start = inode_to_dataptr(irec); - end = find_endofchunk(ino); - size = end - start; - if (size <= 0) { - printf("Error: segment inode #%x: bad length\n", ino); - return(-1); - } - cont = irec->descend; - if (cont == 0xFFFF) - cont = 0; - if (startret) - *startret = start; - if (sizeret) - *sizeret = size; - if (continue_ret) - *continue_ret = cont; - return(0); -}