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49737888ca
## Improvements to S3 Documentation * Create a new document *quickstart_paths.md* that give a summary of the legal path formats used by netcdf-c. This includes both file paths and URL paths. * Modify *nczarr.md* to remove most of the S3 related text. * Move the S3 text from *nczarr.md* to a new document *cloud.md*. * Add some S3-related text to the *byterange.md* document. Hopefully, this will make it easier for users to find the information they want. ## Rebuild NCZarr Testing In order to avoid problems with running make check in parallel, two changes were made: 1. The *nczarr_test* test system was rebuilt. Now, for each test. any generated files are kept in a test-specific directory, isolated from all other test executions. 2. Similarly, since the S3 test bucket is shared, any generated S3 objects are isolated using a test-specific key path. ## Other S3 Related Changes * Add code to ensure that files created on S3 are reclaimed at end of testing. * Used the bash "trap" command to ensure S3 cleanup even if the test fails. * Cleanup the S3 related configure.ac flag set since S3 is used in several places. So now one should use the option *--enable-s3* instead of *--enable-nczarr-s3*, although the latter is still kept as a deprecated alias for the former. * Get some of the github actions yml to work with S3; required fixing various test scripts adding a secret to access the Unidata S3 bucket. * Cleanup S3 portion of libnetcdf.settings.in and netcdf_meta.h.in and test_common.in. * Merge partial S3 support into dhttp.c. * Create an experimental s3 access library especially for use with Windows. It is enabled by using the options *--enable-s3-internal* (automake) or *-DENABLE_S3_INTERNAL=ON* (CMake). Also add a unit-test for it. * Move some definitions from ncrc.h to ncs3sdk.h ## Other Changes * Provide a default implementation of strlcpy and move this and similar defaults into *dmissing.c*.
67 lines
2.2 KiB
C
67 lines
2.2 KiB
C
/* Copyright 2018, UCAR/Unidata and OPeNDAP, Inc.
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See the COPYRIGHT file for more information. */
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#ifndef NCBYTES_H
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#define NCBYTES_H 1
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typedef struct NCbytes {
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int nonextendible; /* 1 => fail if an attempt is made to extend this buffer*/
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unsigned long alloc;
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unsigned long length;
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char* content;
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} NCbytes;
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#include "ncexternl.h"
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#if defined(_CPLUSPLUS_) || defined(__CPLUSPLUS__) || defined(__CPLUSPLUS)
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extern "C" {
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#endif
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EXTERNL NCbytes* ncbytesnew(void);
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EXTERNL void ncbytesfree(NCbytes*);
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EXTERNL int ncbytessetalloc(NCbytes*,unsigned long);
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EXTERNL int ncbytessetlength(NCbytes*,unsigned long);
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EXTERNL int ncbytesfill(NCbytes*, char fill);
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/* Produce a duplicate of the contents*/
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EXTERNL char* ncbytesdup(NCbytes*);
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/* Extract the contents and leave buffer empty */
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EXTERNL char* ncbytesextract(NCbytes*);
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/* Return the ith byte; -1 if no such index */
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EXTERNL int ncbytesget(NCbytes*,unsigned long);
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/* Set the ith byte */
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EXTERNL int ncbytesset(NCbytes*,unsigned long,char);
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/* Append one byte */
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EXTERNL int ncbytesappend(NCbytes*,char); /* Add at Tail */
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/* Append n bytes */
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EXTERNL int ncbytesappendn(NCbytes*,const void*,unsigned long); /* Add at Tail */
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/* Null terminate the byte string without extending its length (for debugging) */
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EXTERNL int ncbytesnull(NCbytes*);
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/* Remove char at position i */
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EXTERNL int ncbytesremove(NCbytes*,unsigned long);
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/* Concatenate a null-terminated string to the end of the buffer */
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EXTERNL int ncbytescat(NCbytes*,const char*);
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/* Set the contents of the buffer; mark the buffer as non-extendible */
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EXTERNL int ncbytessetcontents(NCbytes*, void*, unsigned long);
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/* Following are always "in-lined"*/
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#define ncbyteslength(bb) ((bb)!=NULL?(bb)->length:0)
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#define ncbytesalloc(bb) ((bb)!=NULL?(bb)->alloc:0)
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#define ncbytescontents(bb) (((bb)!=NULL && (bb)->content!=NULL)?(bb)->content:(char*)"")
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#define ncbytesextend(bb,len) ncbytessetalloc((bb),(len)+(bb->alloc))
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#define ncbytesclear(bb) ((bb)!=NULL?(bb)->length=0:0)
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#define ncbytesavail(bb,n) ((bb)!=NULL?((bb)->alloc - (bb)->length) >= (n):0)
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#define ncbytesextendible(bb) ((bb)!=NULL?((bb)->nonextendible?0:1):0)
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#if defined(_CPLUSPLUS_) || defined(__CPLUSPLUS__) || defined(__CPLUSPLUS)
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}
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#endif
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#endif /*NCBYTES_H*/
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