@@ -8,10 +8,10 @@ <h2>Requirements</h2>
88< p > APR porters need to address the underlying discrepancies between
99file systems. To achieve a reasonable degree of security, the
1010program depending upon APR needs to know that two paths may be
11- compared, and that a mismatch is guarenteed to reflect that the
11+ compared, and that a mismatch is guaranteed to reflect that the
1212two paths do not return the same resource</ p > .
1313
14- < p > The first discrepancy is in volume roots. Unix and pure deriviates
14+ < p > The first discrepancy is in volume roots. Unix and pure derivatives
1515have only one root path, "/". Win32 and OS2 share root paths of
1616the form "D:/", D: is the volume designation. However, this can
1717be specified as "//./D:/" as well, indicating D: volume of the
@@ -21,7 +21,7 @@ <h2>Requirements</h2>
2121form "server/volume:/", or the simpler "volume:/" syntax for 'this'
2222machine. All these non-Unix file systems accept volume:path,
2323without a slash following the colon, as a path relative to the
24- current working directory, which APR will treat as ambigious , that
24+ current working directory, which APR will treat as ambiguous , that
2525is, neither an absolute nor a relative path per se.</ p >
2626
2727< p > The second discrepancy is in the meaning of the 'this' directory.
@@ -39,35 +39,35 @@ <h2>Requirements</h2>
3939since the parent of the root is root. This gets tricky on the
4040Win32 and OS2 platforms, since the ".." element is invalid before
4141the "//server/share/" is complete, and the "//server/share/../"
42- seqence is the complete UNC root "//server/share/". In relative
42+ sequence is the complete UNC root "//server/share/". In relative
4343paths, leading ".." elements are significant, until they are merged
4444with an absolute path. The relative form must only retain the ".."
4545segments as leading segments, to be resolved once merged to another
4646relative or an absolute path.</ p >
4747
4848< p > The fourth discrepancy occurs with acceptance of alternate character
49- codes for the same element. Path seperators are not retained within
49+ codes for the same element. Path separators are not retained within
5050the APR canonical forms. The OS filesystem and APR (slashed) forms
5151can both be returned as strings, to be used in the proper context.
5252Unix, Win32 and Netware all accept slashes and backslashes as the
53- same path seperator symbol, although unix strictly accepts slashes.
53+ same path separator symbol, although unix strictly accepts slashes.
5454While the APR form of the name strictly uses slashes, always consider
5555that there could be a platform that actually accepts slashes as a
5656character within a segment name.</ p >
5757
58- < p > The fifth and worst discrepancy plauges Win32, OS2, Netware, and some
58+ < p > The fifth and worst discrepancy plagues Win32, OS2, Netware, and some
5959filesystems mounted in Unix. Case insensitivity can permit the same
6060file to slip through in both it's proper case and alternate cases.
6161Simply changing the case is insufficient for any character set beyond
62- ASCII, since various dilectic forms of characters suffer from one to
62+ ASCII, since various dialectic forms of characters suffer from one to
6363many or many to one translations. An example would be u-umlaut, which
6464might be accepted as a single character u-umlaut, a two character
6565sequence u and the zero-width umlaut, the upper case form of the same,
66- or perhaps even a captial U alone. This can be handled in different
66+ or perhaps even a capital U alone. This can be handled in different
6767ways depending on the purposes of the APR based program, but the one
6868requirement is that the path must be absolute in order to resolve these
6969ambiguities. Methods employed include comparison of device and inode
70- file uniqifiers, which is a fairly fast operation, or quering the OS
70+ file uniqifiers, which is a fairly fast operation, or querying the OS
7171for the true form of the name, which can be much slower. Only the
7272acknowledgement of the file names by the OS can validate the equality
7373of two different cases of the same filename.</ p >
@@ -76,7 +76,7 @@ <h2>Requirements</h2>
7676significant in non-unix file systems. Trailing periods are accepted
7777but never stored, therefore trailing periods must be ignored for any
7878form of comparison. And all OS's have certain expectations of what
79- characters are illegal (or undesireable due to confusion.)</ p >
79+ characters are illegal (or undesirable due to confusion.)</ p >
8080
8181< p > A final warning, canonical functions don't transform or resolve case
8282or character ambiguity issues until they are resolved into an absolute
@@ -111,10 +111,10 @@ <h2>Canonical API</h2>
111111
112112< p > In any case, returning the char* path, with a flag to request the proper
113113case, forces the OS calls to resolve the true names of each segment. Where
114- there is a penality for this operation and the stat device and inode test
114+ there is a penalty for this operation and the stat device and inode test
115115is faster, case correction is postponed until the char* result is requested.
116116On platforms that identify the inode, device, or proper name interchangably
117- with no penalities , this may occur when the name is initially processed.</ p >
117+ with no penalties , this may occur when the name is initially processed.</ p >
118118
119119< hr >
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