diff options
author | Panu Matilainen <pmatilai@redhat.com> | 2007-10-10 14:35:14 +0300 |
---|---|---|
committer | Panu Matilainen <pmatilai@redhat.com> | 2007-10-10 14:35:14 +0300 |
commit | 9204c957881d960c179c6e96a21a8ea56f6cf0a2 (patch) | |
tree | b9efb9cb1a009693c828621dac3966f881f9d1af | |
parent | 8f9eea953f6e0d13cf622ce5ef5d958a55977282 (diff) | |
download | rpm-9204c957881d960c179c6e96a21a8ea56f6cf0a2.tar.gz rpm-9204c957881d960c179c6e96a21a8ea56f6cf0a2.tar.bz2 rpm-9204c957881d960c179c6e96a21a8ea56f6cf0a2.zip |
Un-inline common header access functions
- implementations in new header_common.c
- definitions in main header.h
-rw-r--r-- | rpmdb/Makefile.am | 1 | ||||
-rw-r--r-- | rpmdb/header.c | 4 | ||||
-rw-r--r-- | rpmdb/header.h | 305 | ||||
-rw-r--r-- | rpmdb/header_common.c | 417 | ||||
-rw-r--r-- | rpmdb/header_internal.h | 3 |
5 files changed, 721 insertions, 9 deletions
diff --git a/rpmdb/Makefile.am b/rpmdb/Makefile.am index 881cd81f7..5c1281bf0 100644 --- a/rpmdb/Makefile.am +++ b/rpmdb/Makefile.am @@ -22,6 +22,7 @@ usrlib_LTLIBRARIES = librpmdb.la librpmdb_la_SOURCES = \ dbconfig.c fprint.c fprint.h \ hdrNVR.c header.c header_internal.c header_internal.h \ + header_common.c \ legacy.c legacy.h \ merge.c \ poptDB.c rpmhash.c rpmhash.h rpmdb.c rpmdb_internal.h \ diff --git a/rpmdb/header.c b/rpmdb/header.c index a302d80ab..d6e0dd364 100644 --- a/rpmdb/header.c +++ b/rpmdb/header.c @@ -10,9 +10,7 @@ #include "system.h" -#define __HEADER_PROTOTYPES__ - -#include <header_internal.h> +#include "header_internal.h" #include "debug.h" diff --git a/rpmdb/header.h b/rpmdb/header.h index 1eee67b32..b161405cd 100644 --- a/rpmdb/header.h +++ b/rpmdb/header.h @@ -288,7 +288,306 @@ typedef struct HE_s { hCNT_t cnt; } * HE_t; -#include "header_method.h" +/** \ingroup header + * Create new (empty) header instance. + * @return header + */ +Header headerNew(void); + +/** \ingroup header + * Dereference a header instance. + * @param h header + * @return NULL always + */ +Header headerFree( Header h); + +/** \ingroup header + * Reference a header instance. + * @param h header + * @return new header reference + */ +Header headerLink(Header h); + +/** \ingroup header + * Dereference a header instance. + * @param h header + * @return new header reference + */ +Header headerUnlink(Header h); + +/** \ingroup header + * Sort tags in header. + * @param h header + */ +void headerSort(Header h); + +/** \ingroup header + * Restore tags in header to original ordering. + * @param h header + */ +void headerUnsort(Header h); + +/** \ingroup header + * Return size of on-disk header representation in bytes. + * @param h header + * @param magicp include size of 8 bytes for (magic, 0)? + * @return size of on-disk header + */ +unsigned int headerSizeof(Header h, enum hMagic magicp); + +/** \ingroup header + * Convert header to on-disk representation. + * @param h header (with pointers) + * @return on-disk header blob (i.e. with offsets) + */ +void * headerUnload(Header h); + +/** \ingroup header + * Convert header to on-disk representation, and then reload. + * This is used to insure that all header data is in one chunk. + * @param h header (with pointers) + * @param tag region tag + * @return on-disk header (with offsets) + */ +Header headerReload(Header h, int tag); + +/** \ingroup header + * Duplicate a header. + * @param h header + * @return new header instance + */ +Header headerCopy(Header h); + +/** \ingroup header + * Convert header to in-memory representation. + * @param uh on-disk header blob (i.e. with offsets) + * @return header + */ +Header headerLoad(void * uh); + +/** \ingroup header + * Make a copy and convert header to in-memory representation. + * @param uh on-disk header blob (i.e. with offsets) + * @return header + */ +Header headerCopyLoad(const void * uh); + +/** \ingroup header + * Read (and load) header from file handle. + * @param fd file handle + * @param magicp read (and verify) 8 bytes of (magic, 0)? + * @return header (or NULL on error) + */ +Header headerRead(FD_t fd, enum hMagic magicp); + +/** \ingroup header + * Write (with unload) header to file handle. + * @param fd file handle + * @param h header + * @param magicp prefix write with 8 bytes of (magic, 0)? + * @return 0 on success, 1 on error + */ +int headerWrite(FD_t fd, Header h, enum hMagic magicp); + +/** \ingroup header + * Check if tag is in header. + * @param h header + * @param tag tag + * @return 1 on success, 0 on failure + */ +int headerIsEntry(Header h, int_32 tag); + +/** \ingroup header + * Free data allocated when retrieved from header. + * @param h header + * @param data pointer to tag value(s) + * @param type type of data (or -1 to force free) + * @return NULL always + */ +void * headerFreeTag(Header h, const void * data, rpmTagType type); + +/** \ingroup header + * Retrieve tag value. + * Will never return RPM_I18NSTRING_TYPE! RPM_STRING_TYPE elements with + * RPM_I18NSTRING_TYPE equivalent entries are translated (if HEADER_I18NTABLE + * entry is present). + * + * @param h header + * @param tag tag + * @retval *type tag value data type (or NULL) + * @retval *p pointer to tag value(s) (or NULL) + * @retval *c number of values (or NULL) + * @return 1 on success, 0 on failure + */ +int headerGetEntry(Header h, int_32 tag, + hTYP_t type, + void ** p, + hCNT_t c); + +/** \ingroup header + * Retrieve tag value using header internal array. + * Get an entry using as little extra RAM as possible to return the tag value. + * This is only an issue for RPM_STRING_ARRAY_TYPE. + * + * @param h header + * @param tag tag + * @retval *type tag value data type (or NULL) + * @retval *p pointer to tag value(s) (or NULL) + * @retval *c number of values (or NULL) + * @return 1 on success, 0 on failure + */ +int headerGetEntryMinMemory(Header h, int_32 tag, + hTYP_t type, + hPTR_t * p, + hCNT_t c); + +/** \ingroup header + * Add tag to header. + * Duplicate tags are okay, but only defined for iteration (with the + * exceptions noted below). While you are allowed to add i18n string + * arrays through this function, you probably don't mean to. See + * headerAddI18NString() instead. + * + * @param h header + * @param tag tag + * @param type tag value data type + * @param p pointer to tag value(s) + * @param c number of values + * @return 1 on success, 0 on failure + */ +int headerAddEntry(Header h, int_32 tag, int_32 type, const void * p, int_32 c); + +/** \ingroup header + * Append element to tag array in header. + * Appends item p to entry w/ tag and type as passed. Won't work on + * RPM_STRING_TYPE. Any pointers into header memory returned from + * headerGetEntryMinMemory() for this entry are invalid after this + * call has been made! + * + * @param h header + * @param tag tag + * @param type tag value data type + * @param p pointer to tag value(s) + * @param c number of values + * @return 1 on success, 0 on failure + */ +int headerAppendEntry(Header h, int_32 tag, int_32 type, + const void * p, int_32 c); + +/** \ingroup header + * Add or append element to tag array in header. + * @todo Arg "p" should have const. + * @param h header + * @param tag tag + * @param type tag value data type + * @param p pointer to tag value(s) + * @param c number of values + * @return 1 on success, 0 on failure + */ +int headerAddOrAppendEntry(Header h, int_32 tag, int_32 type, + const void * p, int_32 c); + +/** \ingroup header + * Add locale specific tag to header. + * A NULL lang is interpreted as the C locale. Here are the rules: + * \verbatim + * - If the tag isn't in the header, it's added with the passed string + * as new value. + * - If the tag occurs multiple times in entry, which tag is affected + * by the operation is undefined. + * - If the tag is in the header w/ this language, the entry is + * *replaced* (like headerModifyEntry()). + * \endverbatim + * This function is intended to just "do the right thing". If you need + * more fine grained control use headerAddEntry() and headerModifyEntry(). + * + * @param h header + * @param tag tag + * @param string tag value + * @param lang locale + * @return 1 on success, 0 on failure + */ +int headerAddI18NString(Header h, int_32 tag, const char * string, + const char * lang); + +/** \ingroup header + * Modify tag in header. + * If there are multiple entries with this tag, the first one gets replaced. + * @param h header + * @param tag tag + * @param type tag value data type + * @param p pointer to tag value(s) + * @param c number of values + * @return 1 on success, 0 on failure + */ +int headerModifyEntry(Header h, int_32 tag, int_32 type, + const void * p, int_32 c); + +/** \ingroup header + * Delete tag in header. + * Removes all entries of type tag from the header, returns 1 if none were + * found. + * + * @param h header + * @param tag tag + * @return 0 on success, 1 on failure (INCONSISTENT) + */ +int headerRemoveEntry(Header h, int_32 tag); + +/** \ingroup header + * Return formatted output string from header tags. + * The returned string must be free()d. + * + * @param h header + * @param fmt format to use + * @param tbltags array of tag name/value pairs + * @param extensions chained table of formatting extensions. + * @retval errmsg error message (if any) + * @return formatted output string (malloc'ed) + */ +char * headerSprintf(Header h, const char * fmt, + const struct headerTagTableEntry_s * tbltags, + const struct headerSprintfExtension_s * extensions, + errmsg_t * errmsg); + +/** \ingroup header + * Duplicate tag values from one header into another. + * @param headerFrom source header + * @param headerTo destination header + * @param tagstocopy array of tags that are copied + */ +void headerCopyTags(Header headerFrom, Header headerTo, hTAG_t tagstocopy); + +/** \ingroup header + * Destroy header tag iterator. + * @param hi header tag iterator + * @return NULL always + */ +HeaderIterator headerFreeIterator(HeaderIterator hi); + +/** \ingroup header + * Create header tag iterator. + * @param h header + * @return header tag iterator + */ +HeaderIterator headerInitIterator(Header h); + +/** \ingroup header + * Return next tag from header. + * @param hi header tag iterator + * @retval *tag tag + * @retval *type tag value data type + * @retval *p pointer to tag value(s) + * @retval *c number of values + * @return 1 on success, 0 on failure + */ +int headerNextIterator(HeaderIterator hi, + hTAG_t tag, + hTYP_t type, + hPTR_t * p, + hCNT_t c); + + /** \ingroup header * Free data allocated when retrieved from header. @@ -312,10 +611,6 @@ void * headerFreeData( const void * data, rpmTagType type) return NULL; } -#if !defined(__HEADER_PROTOTYPES__) -#include "hdrinline.h" -#endif - #ifdef __cplusplus } #endif diff --git a/rpmdb/header_common.c b/rpmdb/header_common.c new file mode 100644 index 000000000..fd87a1400 --- /dev/null +++ b/rpmdb/header_common.c @@ -0,0 +1,417 @@ +/** \ingroup header + * \file rpmdb/header_common.c + */ + +#include "header.h" +#include "header_method.h" + +/** \ingroup header + * Header methods for rpm headers. + */ +extern struct HV_s * hdrVec; + +/** \ingroup header + */ +static inline HV_t h2hv(Header h) +{ + return ((HV_t)h); +} + +/** \ingroup header + * Create new (empty) header instance. + * @return header + */ +Header headerNew(void) +{ + return hdrVec->hdrnew(); +} + +/** \ingroup header + * Dereference a header instance. + * @param h header + * @return NULL always + */ +Header headerFree( Header h) +{ + if (h == NULL) return NULL; + return (h2hv(h)->hdrfree) (h); +} + +/** \ingroup header + * Reference a header instance. + * @param h header + * @return new header reference + */ +Header headerLink(Header h) +{ + return (h2hv(h)->hdrlink) (h); +} + +/** \ingroup header + * Dereference a header instance. + * @param h header + * @return new header reference + */ +Header headerUnlink(Header h) +{ + if (h == NULL) return NULL; + return (h2hv(h)->hdrunlink) (h); +} + +/** \ingroup header + * Sort tags in header. + * @param h header + */ +void headerSort(Header h) +{ +/* FIX: add rc */ + (h2hv(h)->hdrsort) (h); + return; +} + +/** \ingroup header + * Restore tags in header to original ordering. + * @param h header + */ +void headerUnsort(Header h) +{ +/* FIX: add rc */ + (h2hv(h)->hdrunsort) (h); + return; +} + +/** \ingroup header + * Return size of on-disk header representation in bytes. + * @param h header + * @param magicp include size of 8 bytes for (magic, 0)? + * @return size of on-disk header + */ +unsigned int headerSizeof(Header h, enum hMagic magicp) +{ + if (h == NULL) return 0; + return (h2hv(h)->hdrsizeof) (h, magicp); +} + +/** \ingroup header + * Convert header to on-disk representation. + * @param h header (with pointers) + * @return on-disk header blob (i.e. with offsets) + */ +void * headerUnload(Header h) +{ + return (h2hv(h)->hdrunload) (h); +} + +/** \ingroup header + * Convert header to on-disk representation, and then reload. + * This is used to insure that all header data is in one chunk. + * @param h header (with pointers) + * @param tag region tag + * @return on-disk header (with offsets) + */ +Header headerReload(Header h, int tag) +{ + return (h2hv(h)->hdrreload) (h, tag); +} + +/** \ingroup header + * Duplicate a header. + * @param h header + * @return new header instance + */ +Header headerCopy(Header h) +{ + return (h2hv(h)->hdrcopy) (h); +} + +/** \ingroup header + * Convert header to in-memory representation. + * @param uh on-disk header blob (i.e. with offsets) + * @return header + */ +Header headerLoad(void * uh) +{ + return hdrVec->hdrload(uh); +} + +/** \ingroup header + * Make a copy and convert header to in-memory representation. + * @param uh on-disk header blob (i.e. with offsets) + * @return header + */ +Header headerCopyLoad(const void * uh) +{ + return hdrVec->hdrcopyload(uh); +} + +/** \ingroup header + * Read (and load) header from file handle. + * @param fd file handle + * @param magicp read (and verify) 8 bytes of (magic, 0)? + * @return header (or NULL on error) + */ +Header headerRead(FD_t fd, enum hMagic magicp) +{ + return hdrVec->hdrread(fd, magicp); +} + +/** \ingroup header + * Write (with unload) header to file handle. + * @param fd file handle + * @param h header + * @param magicp prefix write with 8 bytes of (magic, 0)? + * @return 0 on success, 1 on error + */ +int headerWrite(FD_t fd, Header h, enum hMagic magicp) +{ + if (h == NULL) return 0; + return (h2hv(h)->hdrwrite) (fd, h, magicp); +} + +/** \ingroup header + * Check if tag is in header. + * @param h header + * @param tag tag + * @return 1 on success, 0 on failure + */ +int headerIsEntry(Header h, int_32 tag) +{ + if (h == NULL) return 0; + return (h2hv(h)->hdrisentry) (h, tag); +} + +/** \ingroup header + * Free data allocated when retrieved from header. + * @param h header + * @param data pointer to tag value(s) + * @param type type of data (or -1 to force free) + * @return NULL always + */ +void * headerFreeTag(Header h, + const void * data, rpmTagType type) +{ + return (h2hv(h)->hdrfreetag) (h, data, type); +} + +/** \ingroup header + * Retrieve tag value. + * Will never return RPM_I18NSTRING_TYPE! RPM_STRING_TYPE elements with + * RPM_I18NSTRING_TYPE equivalent entries are translated (if HEADER_I18NTABLE + * entry is present). + * + * @param h header + * @param tag tag + * @retval *type tag value data type (or NULL) + * @retval *p pointer to tag value(s) (or NULL) + * @retval *c number of values (or NULL) + * @return 1 on success, 0 on failure + */ +int headerGetEntry(Header h, int_32 tag, + hTYP_t type, + void ** p, + hCNT_t c) +{ + return (h2hv(h)->hdrget) (h, tag, type, p, c); +} + +/** \ingroup header + * Retrieve tag value using header internal array. + * Get an entry using as little extra RAM as possible to return the tag value. + * This is only an issue for RPM_STRING_ARRAY_TYPE. + * + * @param h header + * @param tag tag + * @retval *type tag value data type (or NULL) + * @retval *p pointer to tag value(s) (or NULL) + * @retval *c number of values (or NULL) + * @return 1 on success, 0 on failure + */ +int headerGetEntryMinMemory(Header h, int_32 tag, + hTYP_t type, + hPTR_t * p, + hCNT_t c) +{ + return (h2hv(h)->hdrgetmin) (h, tag, type, p, c); +} + +/** \ingroup header + * Add tag to header. + * Duplicate tags are okay, but only defined for iteration (with the + * exceptions noted below). While you are allowed to add i18n string + * arrays through this function, you probably don't mean to. See + * headerAddI18NString() instead. + * + * @param h header + * @param tag tag + * @param type tag value data type + * @param p pointer to tag value(s) + * @param c number of values + * @return 1 on success, 0 on failure + */ +int headerAddEntry(Header h, int_32 tag, int_32 type, const void * p, int_32 c) +{ + return (h2hv(h)->hdradd) (h, tag, type, p, c); +} + +/** \ingroup header + * Append element to tag array in header. + * Appends item p to entry w/ tag and type as passed. Won't work on + * RPM_STRING_TYPE. Any pointers into header memory returned from + * headerGetEntryMinMemory() for this entry are invalid after this + * call has been made! + * + * @param h header + * @param tag tag + * @param type tag value data type + * @param p pointer to tag value(s) + * @param c number of values + * @return 1 on success, 0 on failure + */ +int headerAppendEntry(Header h, int_32 tag, int_32 type, + const void * p, int_32 c) +{ + return (h2hv(h)->hdrappend) (h, tag, type, p, c); +} + +/** \ingroup header + * Add or append element to tag array in header. + * @todo Arg "p" should have const. + * @param h header + * @param tag tag + * @param type tag value data type + * @param p pointer to tag value(s) + * @param c number of values + * @return 1 on success, 0 on failure + */ +int headerAddOrAppendEntry(Header h, int_32 tag, int_32 type, + const void * p, int_32 c) +{ + return (h2hv(h)->hdraddorappend) (h, tag, type, p, c); +} + +/** \ingroup header + * Add locale specific tag to header. + * A NULL lang is interpreted as the C locale. Here are the rules: + * \verbatim + * - If the tag isn't in the header, it's added with the passed string + * as new value. + * - If the tag occurs multiple times in entry, which tag is affected + * by the operation is undefined. + * - If the tag is in the header w/ this language, the entry is + * *replaced* (like headerModifyEntry()). + * \endverbatim + * This function is intended to just "do the right thing". If you need + * more fine grained control use headerAddEntry() and headerModifyEntry(). + * + * @param h header + * @param tag tag + * @param string tag value + * @param lang locale + * @return 1 on success, 0 on failure + */ +int headerAddI18NString(Header h, int_32 tag, const char * string, + const char * lang) +{ + return (h2hv(h)->hdraddi18n) (h, tag, string, lang); +} + +/** \ingroup header + * Modify tag in header. + * If there are multiple entries with this tag, the first one gets replaced. + * @param h header + * @param tag tag + * @param type tag value data type + * @param p pointer to tag value(s) + * @param c number of values + * @return 1 on success, 0 on failure + */ +int headerModifyEntry(Header h, int_32 tag, int_32 type, + const void * p, int_32 c) +{ + return (h2hv(h)->hdrmodify) (h, tag, type, p, c); +} + +/** \ingroup header + * Delete tag in header. + * Removes all entries of type tag from the header, returns 1 if none were + * found. + * + * @param h header + * @param tag tag + * @return 0 on success, 1 on failure (INCONSISTENT) + */ +int headerRemoveEntry(Header h, int_32 tag) +{ + return (h2hv(h)->hdrremove) (h, tag); +} + +/** \ingroup header + * Return formatted output string from header tags. + * The returned string must be free()d. + * + * @param h header + * @param fmt format to use + * @param tbltags array of tag name/value pairs + * @param extensions chained table of formatting extensions. + * @retval errmsg error message (if any) + * @return formatted output string (malloc'ed) + */ +char * headerSprintf(Header h, const char * fmt, + const struct headerTagTableEntry_s * tbltags, + const struct headerSprintfExtension_s * extensions, + errmsg_t * errmsg) +{ + return (h2hv(h)->hdrsprintf) (h, fmt, tbltags, extensions, errmsg); +} + +/** \ingroup header + * Duplicate tag values from one header into another. + * @param headerFrom source header + * @param headerTo destination header + * @param tagstocopy array of tags that are copied + */ +void headerCopyTags(Header headerFrom, Header headerTo, hTAG_t tagstocopy) +{ +/* FIX: add rc */ + hdrVec->hdrcopytags(headerFrom, headerTo, tagstocopy); + return; +} + +/** \ingroup header + * Destroy header tag iterator. + * @param hi header tag iterator + * @return NULL always + */ +HeaderIterator headerFreeIterator(HeaderIterator hi) +{ + return hdrVec->hdrfreeiter(hi); +} + +/** \ingroup header + * Create header tag iterator. + * @param h header + * @return header tag iterator + */ +HeaderIterator headerInitIterator(Header h) +{ + return hdrVec->hdrinititer(h); +} + +/** \ingroup header + * Return next tag from header. + * @param hi header tag iterator + * @retval *tag tag + * @retval *type tag value data type + * @retval *p pointer to tag value(s) + * @retval *c number of values + * @return 1 on success, 0 on failure + */ +int headerNextIterator(HeaderIterator hi, + hTAG_t tag, + hTYP_t type, + hPTR_t * p, + hCNT_t c) +{ + return hdrVec->hdrnextiter(hi, tag, type, p, c); +} + diff --git a/rpmdb/header_internal.h b/rpmdb/header_internal.h index 45eee8b5c..96489a77c 100644 --- a/rpmdb/header_internal.h +++ b/rpmdb/header_internal.h @@ -5,7 +5,8 @@ * \file rpmdb/header_internal.h */ -#include <header.h> +#include "header.h" +#include "header_method.h" #include <netinet/in.h> |