Converting handle-based find first/find next/find closed to non-

Details Converting handle-based find first/find next/find closed to non- Converting handle-based find first/find next/find closed to non-

1996-03-29

1997-12-23

Black, Thomas G.

395616, 395601, G06F 1730

Patent

active

057014744

ABSTRACT:
Handle-based finding operations for search operations in an operating system in a computing system are converted into non-handle-based finding operations. The invention is responsive to a program module performing search operations specifying a file search path and has a find first module, a find next module and a find close module. The find first module, in response to a find first call from the program module, locates a search block for use in storing file identification information for a first file in the file search path. The find first module marks the search block as "in use," generates a handle identifying the search block and passes the handle back to the program module. The find next module is responsive to a find next call containing the handle. The find next module converts the handle into a search block address and locates the search block from the search block address. The search block is used to store the file identification information for a next file in the file search path. The find close module is responsive to a find close call with handle from the program module. The find close module converts the handle into a search block address, locates the search block from the search block address and marks the search block "not in use" to close finding operations in the operating system.

REFERENCES:
Miller, Michael J., "The Big Puetuse", PC Magazine, v14, n16 p. 108(9), Sep. 1995.
Baker Steven, "NFS on NT", v15, No. 7 p. 15, Jun. 1997.
Pietrek, Matt, "Poking Around Under the Hood: A Programmer's View of Windows NT 4.0.", Microsoft Systems Journal, v11, n8, p. 19(16), Aug. 1996.
Pietrek, Matt "Under the Hood", Microsoft System Journal, v10, n11 p. 77(5), Nov. 1995.
Trupin, Joshua, "Visual Basic 4.0 Provides Easy Entry to the Advanced Features of Windows", Microsoft System Journal, v10, n10, p. 35(17), Nov. 1995.

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