mirror of
https://github.com/Unidata/netcdf-c.git
synced 2024-12-09 08:11:38 +08:00
a2e0f069ec
Primary change is to cleanup code and remove duplicated code. 1. Unify the rc file reading into libdispatch/drc.c. Eventually extend if we need rc file for netcdf itself as opposed to the dap code. 2. Unify the extraction from the rc file of DAP authorization info. 3. Misc. other small unifications: make temp file, read file. 4. Avoid use of libcurl when reading file:// because there is some kind of problem with the Visual Studio version. Might be related to the winpath problem. In any case, do direct read instead. 5. Add new error code NC_ERCFILE for errors in reading RC file. 6. Complete documentation cleanup as indicated in this comment https://github.com/Unidata/netcdf-c/pull/472#issuecomment-325926426 7. Convert some occurrences of #ifdef _WIN32 to #ifdef _MSC_VER
238 lines
5.8 KiB
C
238 lines
5.8 KiB
C
/* Copyright 2009, UCAR/Unidata and OPeNDAP, Inc.
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See the COPYRIGHT file for more information. */
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#ifndef OCINTERNAL_H
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#define OCINTERNAL_H
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#include "config.h"
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#ifdef _MSC_VER
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#include <malloc.h>
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#endif
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/* Required for getcwd, other functions. */
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#ifdef _MSC_VER
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#include <direct.h>
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#define getcwd _getcwd
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#endif
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#ifdef _AIX
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#include <netinet/in.h>
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#endif
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#include <stdlib.h>
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#include <assert.h>
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#include <string.h>
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#ifdef HAVE_STRINGS_H
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#include <strings.h>
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#endif
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#ifdef HAVE_STDARG_H
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#include <stdarg.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#define CURL_DISABLE_TYPECHECK 1
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#include <curl/curl.h>
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#include "netcdf.h"
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#include "ncauth.h"
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#include "nclist.h"
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#include "ncbytes.h"
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#include "ncuri.h"
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#ifndef HAVE_STRNDUP
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/* Not all systems have strndup, so provide one*/
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#define strndup ocstrndup
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#endif
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#define OCCACHEPOS
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#ifndef HAVE_STRNDUP
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/* Not all systems have strndup, so provide one*/
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#define strndup ocstrndup
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#endif
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#define OCPATHMAX 8192
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#ifndef nullfree
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#define nullfree(x) {if((x)!=NULL) free(x);}
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#endif
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/* Forwards */
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typedef struct OCstate OCstate;
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typedef struct OCnode OCnode;
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typedef struct OCdata OCdata;
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struct OCTriplestore;
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/* Define the internal node classification values */
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#define OC_None ((unsigned int)0)
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#define OC_State ((unsigned int)1)
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#define OC_Node ((unsigned int)2)
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#define OC_Data ((unsigned int)3)
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/* Define a magic number to mark externally visible oc objects */
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#define OCMAGIC ((unsigned int)0x0c0c0c0c) /*clever, huh*/
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/* Max rc file line size */
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#define MAXRCLINESIZE 4096
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/* Max number of triples from an rc file */
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#define MAXRCLINES 4096
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/* Define a struct that all oc objects must start with */
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/* OCheader must be defined here to make it available in other headers */
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typedef struct OCheader {
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unsigned int magic;
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unsigned int occlass;
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} OCheader;
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#include "oc.h"
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#include "ocx.h"
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#include "ocnode.h"
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#include "ocdata.h"
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#include "occonstraints.h"
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#include "ocutil.h"
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#include "nclog.h"
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#include "xxdr.h"
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#include "ocdatatypes.h"
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#include "occompile.h"
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#ifndef nulldup
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#define nulldup(s) (s==NULL?NULL:strdup(s))
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#endif
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/*
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* Macros for dealing with flag bits.
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*/
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#define fset(t,f) ((t) |= (f))
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#define fclr(t,f) ((t) &= ~(f))
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#define fisset(t,f) ((t) & (f))
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#define nullstring(s) (s==NULL?"(null)":s)
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#define PATHSEPARATOR "."
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#define OCCOOKIEDIR "occookies"
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/* Define infinity for memory size */
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#if SIZEOF_SIZE_T == 4
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#define OCINFINITY ((size_t)0xffffffff)
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#else
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#define OCINFINITY ((size_t)0xffffffffffffffff)
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#endif
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/* Extend the OCdxd type for internal use */
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#define OCVER 3
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/* Default initial memory packet size */
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#define DFALTPACKETSIZE 0x20000 /*approximately 100k bytes*/
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/* Default maximum memory packet size */
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#define DFALTMAXPACKETSIZE 0x3000000 /*approximately 50M bytes*/
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/* Default user agent string (will have version appended)*/
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#ifndef DFALTUSERAGENT
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#define DFALTUSERAGENT "oc"
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#endif
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/* Hold known curl flags */
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enum OCCURLFLAGTYPE {CF_UNKNOWN=0,CF_OTHER=1,CF_STRING=2,CF_LONG=3};
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struct OCCURLFLAG {
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const char* name;
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int flag;
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int value;
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enum OCCURLFLAGTYPE type;
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};
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struct OCTriplestore {
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int ntriples;
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struct OCTriple {
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char host[MAXRCLINESIZE]; /* includes port if specified */
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char key[MAXRCLINESIZE];
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char value[MAXRCLINESIZE];
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} triples[MAXRCLINES];
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};
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/*! Specifies the OCstate = non-opaque version of OClink */
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struct OCstate {
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OCheader header; /* class=OC_State */
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NClist* trees; /* list<OCNODE*> ; all root objects */
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NCURI* uri; /* parsed base URI*/
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NCbytes* packet; /* shared by all trees during construction */
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struct OCerrdata {/* Hold info for an error return from server */
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char* code;
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char* message;
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long httpcode;
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char curlerrorbuf[CURL_ERROR_SIZE]; /* CURLOPT_ERRORBUFFER*/
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} error;
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CURL* curl; /* curl handle*/
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char curlerror[CURL_ERROR_SIZE];
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void* usercurldata;
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NCauth auth; /* curl auth data */
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long ddslastmodified;
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long datalastmodified;
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};
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/*! OCtree holds extra state info about trees */
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typedef struct OCtree
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{
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OCdxd dxdclass;
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char* constraint;
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char* text;
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struct OCnode* root; /* cross link */
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struct OCstate* state; /* cross link */
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NClist* nodes; /* all nodes in tree*/
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/* when dxdclass == OCDATADDS */
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struct {
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char* memory; /* allocated memory if OC_ONDISK is not set */
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char* filename; /* If OC_ONDISK is set */
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FILE* file;
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off_t datasize; /* xdr size on disk or in memory */
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off_t bod; /* offset of the beginning of packet data */
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off_t ddslen; /* length of ddslen (assert(ddslen <= bod)) */
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XXDR* xdrs; /* access either memory or file */
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OCdata* data;
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} data;
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} OCtree;
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/* (Almost) All shared procedure definitions are kept here
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except for: ocdebug.h ocutil.h
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The true external interface is defined in oc.h
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*/
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#if 0
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/* Location: ceparselex.c*/
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extern int cedebug;
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extern NClist* CEparse(OCstate*,char* input);
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#endif
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extern int ocinitialized;
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extern OCerror ocopen(OCstate** statep, const char* url);
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extern void occlose(OCstate* state);
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extern OCerror ocfetch(OCstate*, const char*, OCdxd, OCflags, OCnode**);
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extern int oc_network_order;
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extern int oc_invert_xdr_double;
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extern OCerror ocinternalinitialize(void);
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extern OCerror ocupdatelastmodifieddata(OCstate* state);
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extern OCerror ocset_useragent(OCstate* state, const char* agent);
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extern OCerror ocset_netrc(OCstate* state, const char* path);
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/* From ocrc.c */
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extern OCerror ocrc_load(); /* find, read, and compile */
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extern OCerror ocrc_process(OCstate* state); /* extract relevant triples */
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extern char* ocrc_lookup(char* key, char* url);
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extern struct OCTriple* ocrc_triple_iterate(char* key, char* url, struct OCTriple* prevp);
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extern int ocparseproxy(OCstate* state, char* v);
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#endif /*COMMON_H*/
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