191 lines
4.5 KiB
C
191 lines
4.5 KiB
C
#ifndef H_MISC
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#define H_MISC
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/**
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* \file lib/misc.h
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*
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*/
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#include <string.h>
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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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* Split string into fields separated by a character.
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* @param str string
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* @param length length of string
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* @param sep separator character
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* @return (malloc'd) argv array
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*/
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/*@only@*/ char ** splitString(const char * str, int length, char sep)
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/*@*/;
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/**
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* Free split string argv array.
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* @param list argv array
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*/
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void freeSplitString( /*@only@*/ char ** list)
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/*@modifies list @*/;
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/**
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* Remove occurences of trailing character from string.
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* @param s string
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* @param c character to strip
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* @return string
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*/
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/*@unused@*/ static inline
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/*@only@*/ char * stripTrailingChar(/*@only@*/ char * s, char c)
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/*@modifies *s */
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{
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char * t;
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for (t = s + strlen(s) - 1; *t == c && t >= s; t--)
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*t = '\0';
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return s;
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}
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/**
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* Like the libc function, but malloc()'s the space needed.
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* @param name variable name
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* @param value variable value
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* @param overwrite should an existing variable be changed?
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* @return 0 on success
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*/
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int dosetenv(const char * name, const char * value, int overwrite)
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/*@globals environ@*/
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/*@modifies *environ @*/;
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/**
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* Like the libc function, but malloc()'s the space needed.
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* @param str "name=value" string
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* @return 0 on success
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*/
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int doputenv(const char * str)
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/*@globals environ@*/
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/*@modifies *environ @*/;
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/**
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* Return file handle for a temporaray file.
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* A unique temporaray file path will be generated using
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* rpmGenPath(prefix, "%{_tmppath}/", "rpm-tmp.XXXXX")
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* where "XXXXXX" is filled in using rand(3). The file is opened, and
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* the link count and (dev,ino) location are verified after opening.
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* The file name and the open file handle are returned.
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*
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* @param prefix leading part of temp file path
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* @retval fnptr temp file name (or NULL)
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* @retval fdptr temp file handle
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* @return 0 on success
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*/
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int makeTempFile(/*@null@*/ const char * prefix,
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/*@null@*/ /*@out@*/ const char ** fnptr,
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/*@out@*/ FD_t * fdptr)
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/*@globals rpmGlobalMacroContext,
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fileSystem, internalState @*/
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/*@modifies *fnptr, *fdptr, rpmGlobalMacroContext,
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fileSystem, internalState @*/;
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/**
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* Return (malloc'd) current working directory.
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* @return current working directory (malloc'ed)
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*/
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/*@only@*/ char * currentDirectory(void)
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/*@globals fileSystem @*/
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/*@modifies fileSystem @*/;
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/**
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* Convert absolute path tag to (dirname,basename,dirindex) tags.
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* @param h header
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*/
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void compressFilelist(Header h)
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/*@modifies h @*/;
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/**
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* Convert (dirname,basename,dirindex) tags to absolute path tag.
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* @param h header
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*/
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void expandFilelist(Header h)
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/*@modifies h @*/;
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/**
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* @param h header
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* @retval fileListPtr
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* @retval fileCountPtr
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*/
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void buildOrigFileList(Header h, /*@out@*/ const char *** fileListPtr,
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/*@out@*/ int * fileCountPtr)
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/*@modifies *fileListPtr, *fileCountPtr @*/;
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/**
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*/
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/*@-exportlocal@*/
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int myGlobPatternP (const char *patternURL)
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/*@*/;
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/*@=exportlocal@*/
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/**
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*/
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int rpmGlob(const char * patterns, /*@out@*/ int * argcPtr,
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/*@out@*/ const char *** argvPtr)
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/*@globals fileSystem @*/
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/*@modifies *argcPtr, *argvPtr, fileSystem @*/;
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/**
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* Retrofit a Provides: name = version-release dependency into legacy
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* packages.
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* @param h header
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*/
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void providePackageNVR(Header h)
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/*@modifies h @*/;
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/**
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* Calculate MD5 sum for file.
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* @todo Eliminate, use beecrypt instead.
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* @param fn file name
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* @retval digest address of md5sum
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* @param asAscii return md5sum as ascii string?
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* @return 0 on success, 1 on error
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*/
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/*@-exportlocal@*/
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int domd5(const char * fn, /*@out@*/ unsigned char * digest, int asAscii)
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/*@globals fileSystem@*/
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/*@modifies digest, fileSystem @*/;
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/*@=exportlocal@*/
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/**
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* Return MD5 sum of file as ASCII string.
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* @todo Eliminate, use beecrypt instead.
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* @param fn file name
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* @retval digest MD5 digest
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* @return 0 on success, 1 on error
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*/
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/*@unused@*/ static inline
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int mdfile(const char * fn, /*@out@*/ unsigned char * digest)
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/*@globals fileSystem@*/
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/*@modifies digest, fileSystem @*/
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{
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return domd5(fn, digest, 1);
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}
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/**
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* Return MD5 sum of file as binary data.
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* @todo Eliminate, use beecrypt instead.
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* @param fn file name
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* @retval bindigest MD5 digest
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* @return 0 on success, 1 on error
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*/
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/*@unused@*/ static inline
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int mdbinfile(const char * fn, /*@out@*/ unsigned char * bindigest)
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/*@globals fileSystem@*/
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/*@modifies bindigest, fileSystem @*/
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{
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return domd5(fn, bindigest, 0);
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* H_MISC */
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