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53934822ac
Files like dh.pod, etc., mostly duplicated the API-specific pod files. Removed the duplicated content; that often mean the whole file could be removed. Some of the content about internals got moved into README files in the source tree. Some content (e.g., err.pod) got moved into other pod pages. Annotate generic pages, remove dup NAME Reviewed-by: Richard Levitte <levitte@openssl.org>
45 lines
1.4 KiB
Plaintext
45 lines
1.4 KiB
Plaintext
Adding new libraries
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--------------------
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When adding a new sub-library to OpenSSL, assign it a library number
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ERR_LIB_XXX, define a macro XXXerr() (both in err.h), add its
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name to ERR_str_libraries[] (in crypto/err/err.c), and add
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ERR_load_XXX_strings() to the ERR_load_crypto_strings() function
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(in crypto/err/err_all.c). Finally, add an entry:
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L XXX xxx.h xxx_err.c
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to crypto/err/openssl.ec, and add xxx_err.c to the Makefile.
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Running make errors will then generate a file xxx_err.c, and
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add all error codes used in the library to xxx.h.
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Additionally the library include file must have a certain form.
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Typically it will initially look like this:
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#ifndef HEADER_XXX_H
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#define HEADER_XXX_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Include files */
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#include <openssl/bio.h>
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#include <openssl/x509.h>
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/* Macros, structures and function prototypes */
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/* BEGIN ERROR CODES */
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The BEGIN ERROR CODES sequence is used by the error code
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generation script as the point to place new error codes, any text
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after this point will be overwritten when make errors is run.
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The closing #endif etc will be automatically added by the script.
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The generated C error code file xxx_err.c will load the header
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files stdio.h, openssl/err.h and openssl/xxx.h so the
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header file must load any additional header files containing any
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definitions it uses.
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