19e6de9d5e
This also fixes some bugs: - %uncompress macro never worked; - %patch -s -b .orig never worked.
235 lines
6.9 KiB
C
235 lines
6.9 KiB
C
#ifndef _H_MACRO_
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#define _H_MACRO_
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/** \ingroup rpmio
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* \file rpmio/rpmmacro.h
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*/
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/*! The structure used to store a macro. */
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typedef /*@abstract@*/ struct MacroEntry_s {
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struct MacroEntry_s *prev;/*!< Macro entry stack. */
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const char *name; /*!< Macro name. */
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const char *opts; /*!< Macro parameters (a la getopt) */
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const char *body; /*!< Macro body. */
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int used; /*!< No. of expansions. */
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int level; /*!< Scoping level. */
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} * MacroEntry;
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/*! The structure used to store the set of macros in a context. */
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typedef /*@abstract@*/ struct MacroContext_s {
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/*@owned@*//*@null@*/ MacroEntry *macroTable; /*!< Macro entry table for context. */
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int macrosAllocated;/*!< No. of allocated macros. */
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int firstFree; /*!< No. of macros. */
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} * MacroContext;
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/*@-redecl@*/
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/*@checked@*/
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extern MacroContext rpmGlobalMacroContext;
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/*@checked@*/
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extern MacroContext rpmCLIMacroContext;
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/*@=redecl@*/
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/** \ingroup rpmrc
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* List of macro files to read when configuring rpm.
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* This is a colon separated list of files. URI's are permitted as well,
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* identified by the token '://', so file paths must not begin with '//'.
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*/
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/*@-redecl@*/
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/*@observer@*/ /*@unchecked@*/
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extern const char * macrofiles;
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/*@=redecl@*/
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/**
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* Markers for sources of macros added throughout rpm.
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*/
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#define RMIL_DEFAULT -15
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#define RMIL_MACROFILES -13
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#define RMIL_RPMRC -11
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#define RMIL_CMDLINE -7
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#define RMIL_TARBALL -5
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#define RMIL_SPEC -3
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#define RMIL_OLDSPEC -1
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#define RMIL_GLOBAL 0
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Print macros to file stream.
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* @param mc macro context (NULL uses global context).
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* @param fp file stream (NULL uses stderr).
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*/
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void rpmDumpMacroTable (/*@null@*/ MacroContext mc,
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/*@null@*/ FILE * fp)
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/*@globals rpmGlobalMacroContext,
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fileSystem@*/
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/*@modifies *fp, fileSystem @*/;
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/**
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* Expand macro into buffer.
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* @deprecated Use rpmExpand().
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* @todo Eliminate from API.
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* @param spec cookie (unused)
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* @param mc macro context (NULL uses global context).
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* @retval sbuf input macro to expand, output expansion
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* @param slen size of buffer
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* @return 0 on success
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*/
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int expandMacros (/*@null@*/ void * spec, /*@null@*/ MacroContext mc,
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/*@in@*/ /*@out@*/ char * sbuf,
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size_t slen)
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/*@globals rpmGlobalMacroContext,
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fileSystem @*/
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/*@modifies *sbuf, rpmGlobalMacroContext, fileSystem @*/;
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/**
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* Add macro to context.
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* @deprecated Use rpmDefineMacro().
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* @param mc macro context (NULL uses global context).
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* @param n macro name
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* @param o macro paramaters
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* @param b macro body
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* @param level macro recursion level (0 is entry API)
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*/
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void addMacro (/*@null@*/ MacroContext mc, const char * n,
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/*@null@*/ const char * o,
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/*@null@*/ const char * b, int level)
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/*@globals rpmGlobalMacroContext@*/
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/*@modifies mc, rpmGlobalMacroContext @*/;
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/**
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* Delete macro from context.
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* @param mc macro context (NULL uses global context).
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* @param n macro name
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*/
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void delMacro (/*@null@*/ MacroContext mc, const char * n)
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/*@globals rpmGlobalMacroContext@*/
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/*@modifies mc, rpmGlobalMacroContext @*/;
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/**
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* Define macro in context.
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* @param mc macro context (NULL uses global context).
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* @param macro macro name, options, body
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* @param level macro recursion level (0 is entry API)
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* @return @todo Document.
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*/
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int rpmDefineMacro (/*@null@*/ MacroContext mc, const char * macro,
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int level)
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/*@globals rpmGlobalMacroContext@*/
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/*@modifies mc, rpmGlobalMacroContext @*/;
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/**
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* Load macros from specific context into global context.
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* @param mc macro context (NULL does nothing).
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* @param level macro recursion level (0 is entry API)
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*/
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void rpmLoadMacros (/*@null@*/ MacroContext mc, int level)
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/*@globals rpmGlobalMacroContext@*/
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/*@modifies rpmGlobalMacroContext @*/;
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/**
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* Initialize global macro context from set of macrofile(s).
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* @param mc (unused)
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* @param macrofiles colon separated list of macro files (NULL does nothing)
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*/
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void rpmInitMacros (/*@null@*/ MacroContext mc, const char * macrofiles)
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/*@globals rpmGlobalMacroContext, rpmCLIMacroContext,
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fileSystem @*/
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/*@modifies rpmGlobalMacroContext, fileSystem @*/;
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/**
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* Destroy macro context.
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* @param mc macro context (NULL uses global context).
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*/
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void rpmFreeMacros (/*@null@*/ MacroContext mc)
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/*@globals rpmGlobalMacroContext@*/
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/*@modifies mc, rpmGlobalMacroContext @*/;
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typedef enum rpmCompressedMagic_e {
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COMPRESSED_NOT = 0, /*!< not compressed */
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COMPRESSED_OTHER = 1, /*!< gzip can handle */
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COMPRESSED_BZIP2 = 2, /*!< bzip2 can handle */
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COMPRESSED_ZIP = 3, /*!< unzip can handle */
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COMPRESSED_LZMA = 4, /*!< lzma can handle */
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COMPRESSED_XZ = 5 /*!< xz can handle */
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} rpmCompressedMagic;
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/**
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* Return type of compression used in file.
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* @param file name of file
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* @retval compressed address of compression type
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* @return 0 on success, 1 on I/O error
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*/
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int isCompressed (const char * file,
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/*@out@*/ rpmCompressedMagic * compressed)
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/*@globals fileSystem@*/
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/*@modifies *compressed, fileSystem @*/;
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/**
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* Return (malloc'ed) concatenated macro expansion(s).
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* @param arg macro(s) to expand (NULL terminates list)
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* @return macro expansion (malloc'ed)
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*/
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char * rpmExpand (/*@null@*/ const char * arg, ...)
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__attribute__ ((sentinel))
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/*@globals rpmGlobalMacroContext @*/
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/*@modifies rpmGlobalMacroContext @*/;
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/**
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* Canonicalize file path.
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* @param path path to canonicalize (in-place)
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* @return canonicalized path (malloc'ed)
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*/
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/*@null@*/ char * rpmCleanPath (/*@null@*/ char * path)
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/*@modifies *path @*/;
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/**
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* Return (malloc'ed) expanded, canonicalized, file path.
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* @param path macro(s) to expand (NULL terminates list)
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* @return canonicalized path (malloc'ed)
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*/
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/*@-redecl@*/ /* LCL: shrug */
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const char * rpmGetPath (/*@null@*/ const char * path, ...)
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__attribute__ ((sentinel))
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/*@globals rpmGlobalMacroContext @*/
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/*@modifies rpmGlobalMacroContext @*/;
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/*@=redecl@*/
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/**
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* Merge 3 args into path, any or all of which may be a url.
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* The leading part of the first URL encountered is used
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* for the result, other URL prefixes are discarded, permitting
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* a primitive form of URL inheiritance.
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* @param urlroot root URL (often path to chroot, or NULL)
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* @param urlmdir directory URL (often a directory, or NULL)
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* @param urlfile file URL (often a file, or NULL)
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* @return expanded, merged, canonicalized path (malloc'ed)
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*/
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/*@-redecl@*/ /* LCL: shrug */
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const char * rpmGenPath (/*@null@*/ const char * urlroot,
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/*@null@*/ const char * urlmdir,
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/*@null@*/ const char * urlfile)
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/*@globals rpmGlobalMacroContext @*/
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/*@modifies rpmGlobalMacroContext @*/;
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/*@=redecl@*/
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/**
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* Return macro expansion as a numeric value.
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* Boolean values ('Y' or 'y' returns 1, 'N' or 'n' returns 0)
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* are permitted as well. An undefined macro returns 0.
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* @param arg macro to expand
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* @return numeric value
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*/
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int rpmExpandNumeric (const char * arg)
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/*@globals rpmGlobalMacroContext @*/
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/*@modifies rpmGlobalMacroContext @*/;
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#ifdef __cplusplus
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}
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#endif
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#endif /* _H_ MACRO_ */
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