file/src/apprentice.c File Reference

#include "file.h"
#include "magic.h"
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/param.h>

Go to the source code of this file.

Defines

#define EATAB

#define LOWCASE(l)

#define MAP_FAILED   (void *) -1

#define MAP_FILE   0

#define MAXPATHLEN   1024

#define IS_PLAINSTRING(t)

#define IS_STRING(t)

#define ALLOC_INCR   200

#define NBYTE   4

#define NSHORT   5

#define NLONG   4

#define NSTRING   6

#define NDATE   4

#define NBESHORT   7

#define NBELONG   6

#define NBEDATE   6

#define NLESHORT   7

#define NLELONG   6

#define NLEDATE   6

#define NPSTRING   7

#define NLDATE   5

#define NBELDATE   7

#define NLELDATE   7

#define NREGEX   5

#define NBESTRING16   10

#define NLESTRING16   10

#define NSEARCH   6

#define RET   1

Functions

static const char * rcsid (const char *p)

static int getvalue (struct magic_set *ms, struct magic *m, char **p)

static int hextoint (int)

static char * getstr (struct magic_set *ms, char *s, char *p, int plen, int *slen)

static int parse (struct magic_set *ms, struct magic **magicp, uint32_t *nmagicp, char *l, int action)

static void eatsize (char **p)

static int apprentice_1 (struct magic_set *ms, const char *fn, int action, struct mlist *mlist)

static int apprentice_file (struct magic_set *ms, struct magic **magicp, uint32_t *nmagicp, const char *fn, int action)

static void byteswap (struct magic *magic, uint32_t nmagic)

static void bs1 (struct magic *m)

static uint16_t swap2 (uint16_t sv)

static uint32_t swap4 (uint32_t sv)

static char * mkdbname (const char *fn, char *buf, size_t, int)

static int apprentice_map (struct magic_set *ms, struct magic **magicp, uint32_t *nmagicp, const char *fn)

static int apprentice_compile (struct magic_set *ms, struct magic **magicp, uint32_t *nmagicp, const char *fn)

static int check_format (struct magic_set *ms, struct magic *m)

void file_delmagic (struct magic *p, int type, size_t entries)

mlist * file_apprentice (struct magic_set *ms, const char *fn, int action)

uint32_t file_signextend (struct magic_set *ms, struct magic *m, uint32_t v)

void file_showstr (FILE *fp, const char *s, size_t len)

Variables

static size_t maxmagic = 0

static size_t magicsize = sizeof(struct magic)

static const uint32_t ar []

static const char ext [] = ".mgc"

Define Documentation

#define ALLOC_INCR 200

Referenced by parse().

#define EATAB

Value:

{while (isascii((unsigned char) *l) && \
                      isspace((unsigned char) *l))  ++l;}

Definition at line 51 of file apprentice.c.

Referenced by parse().

#define IS_PLAINSTRING ( t )

Value:

((t) == FILE_STRING || (t) == FILE_PSTRING || \
    (t) == FILE_BESTRING16 || (t) == FILE_LESTRING16)

Definition at line 77 of file apprentice.c.

Referenced by parse().

#define IS_STRING ( t )

Value:

(IS_PLAINSTRING(t) || (t) == FILE_REGEX || \
    (t) == FILE_SEARCH)

Definition at line 80 of file apprentice.c.

Referenced by bs1(), and parse().

#define LOWCASE ( l )

Value:

(isupper((unsigned char) (l)) ? \
                        tolower((unsigned char) (l)) : (l))

Definition at line 53 of file apprentice.c.

Referenced by eatsize().

#define MAP_FAILED (void *) -1

Definition at line 66 of file apprentice.c.

Referenced by apprentice_map().

#define MAP_FILE 0

Definition at line 70 of file apprentice.c.

Referenced by apprentice_map().

#define MAXPATHLEN 1024

Definition at line 74 of file apprentice.c.

Referenced by apprentice_compile(), apprentice_map(), Fts_open(), and unwrap().

#define NBEDATE 6

Referenced by parse().

#define NBELDATE 7

Referenced by parse().

#define NBELONG 6

Referenced by parse().

#define NBESHORT 7

Referenced by parse().

#define NBESTRING16 10

Referenced by parse().

#define NBYTE 4

Referenced by parse().

#define NDATE 4

Referenced by parse().

#define NLDATE 5

Referenced by parse().

#define NLEDATE 6

Referenced by parse().

#define NLELDATE 7

Referenced by parse().

#define NLELONG 6

Referenced by parse().

#define NLESHORT 7

Referenced by parse().

#define NLESTRING16 10

Referenced by parse().

#define NLONG 4

Referenced by parse().

#define NPSTRING 7

Referenced by parse().

#define NREGEX 5

Referenced by parse().

#define NSEARCH 6

Referenced by parse().

#define NSHORT 5

Referenced by parse().

#define NSTRING 6

Referenced by parse().

#define RET 1

Referenced by apprentice_map().

Function Documentation

static int apprentice_1	(	struct magic_set *	ms,
		const char *	fn,
		int	action,
		struct mlist *	mlist
	)			`[static]`

Definition at line 168 of file apprentice.c.

References apprentice_compile(), apprentice_file(), apprentice_map(), FILE_COMPILE, file_delmagic(), file_error(), FILE_MAGICSIZE, file_magwarn(), file_oomem(), magic_set::flags, magic, mlist::mapped, mlist::next, and mlist::prev.

Referenced by file_apprentice().

static int apprentice_compile	(	struct magic_set *	ms,
		struct magic **	magicp,
		uint32_t *	nmagicp,
		const char *	fn
	)			`[static]`

Definition at line 1175 of file apprentice.c.

References errno, file_error(), MAXPATHLEN, mkdbname(), and SEEK_SET.

Referenced by apprentice_1().

static int apprentice_file	(	struct magic_set *	ms,
		struct magic **	magicp,
		uint32_t *	nmagicp,
		const char *	fn,
		int	action
	)			`[static]`

Definition at line 319 of file apprentice.c.

References errno, magic_set::file, FILE_CHECK, file_error(), file_oomem(), magic_set::line, MAXMAGIS, and parse().

Referenced by apprentice_1().

static int apprentice_map	(	struct magic_set *	ms,
		struct magic **	magicp,
		uint32_t *	nmagicp,
		const char *	fn
	)			`[static]`

Definition at line 1079 of file apprentice.c.

References byteswap(), errno, file_badread(), file_error(), file_oomem(), MAGICNO, MAP_FAILED, MAP_FILE, MAXPATHLEN, mkdbname(), RET, swap4(), and VERSIONNO.

Referenced by apprentice_1().

static void bs1 ( struct magic * m ) [static]

Definition at line 1274 of file apprentice.c.

References magic::cont_level, magic::in_offset, IS_STRING, magic::VALUETYPE::l, magic::mask, magic::offset, swap2(), swap4(), magic::type, and magic::value.

Referenced by byteswap().

static void byteswap	(	struct magic *	magic,
		uint32_t	nmagic
	)			`[static]`

Definition at line 1233 of file apprentice.c.

References bs1(), and magic.

Referenced by apprentice_map().

static int check_format	(	struct magic_set *	ms,
		struct magic *	m
	)			`[static]`

Definition at line 786 of file apprentice.c.

References magic::desc, FILE_FORMAT_NAME, FILE_FORMAT_STRING, file_magwarn(), and magic::type.

Referenced by parse().

static void eatsize ( char ** p ) [static]

Definition at line 1053 of file apprentice.c.

References LOWCASE.

Referenced by getvalue(), and parse().

struct mlist* file_apprentice	(	struct magic_set *	ms,
		const char *	fn,
		int	action
	)			`[read]`

Definition at line 254 of file apprentice.c.

References apprentice_1(), file_error(), file_oomem(), magic_set::flags, getenv(), MAGIC, and PATHSEP.

void file_delmagic	(	struct magic *	p,
		int	type,
		size_t	entries
	)

Definition at line 231 of file apprentice.c.

Referenced by apprentice_1().

void file_showstr	(	FILE *	fp,
		const char *	s,
		size_t	len
	)

Definition at line 997 of file apprentice.c.

Referenced by file_mdump(), and mdebug().

uint32_t file_signextend	(	struct magic_set *	ms,
		struct magic *	m,
		uint32_t	v
	)

Definition at line 374 of file apprentice.c.

References FILE_BEDATE, FILE_BELDATE, FILE_BELONG, FILE_BESHORT, FILE_BESTRING16, FILE_BYTE, FILE_DATE, FILE_LDATE, FILE_LEDATE, FILE_LELDATE, FILE_LELONG, FILE_LESHORT, FILE_LESTRING16, FILE_LONG, file_magwarn(), FILE_PSTRING, FILE_REGEX, FILE_SEARCH, FILE_SHORT, FILE_STRING, magic::flag, magic_set::flags, magic::type, and UNSIGNED.

Referenced by getvalue(), mprint(), mymcheck(), and parse().

static char * getstr	(	struct magic_set *	ms,
		char *	s,
		char *	p,
		int	plen,
		int *	slen
	)			`[static]`

Definition at line 879 of file apprentice.c.

References file_error(), and hextoint().

static int getvalue	(	struct magic_set *	ms,
		struct magic *	m,
		char **	p
	)			`[static]`

Definition at line 842 of file apprentice.c.

References eatsize(), FILE_BESTRING16, FILE_LESTRING16, file_magwarn(), FILE_PSTRING, FILE_REGEX, FILE_SEARCH, file_signextend(), FILE_STRING, magic_set::flags, getstr, magic::VALUETYPE::l, magic::reln, magic::VALUETYPE::s, strtoul, magic::type, magic::vallen, and magic::value.

Referenced by parse().

static int hextoint ( int ) [static]

Definition at line 979 of file apprentice.c.

Referenced by getstr().

static char * mkdbname	(	const char *	fn,
		char *	buf,
		size_t	,
		int
	)			`[static]`

Definition at line 1217 of file apprentice.c.

References snprintf().

Referenced by apprentice_compile(), and apprentice_map().

static int parse	(	struct magic_set *	ms,
		struct magic **	magicp,
		uint32_t *	nmagicp,
		char *	l,
		int	action
	)			`[static]`

Definition at line 422 of file apprentice.c.

References ALLOC_INCR, CHAR_COMPACT_BLANK, CHAR_COMPACT_OPTIONAL_BLANK, CHAR_IGNORE_LOWERCASE, check_format(), magic::cont_level, magic::desc, EATAB, eatsize(), FILE_BEDATE, FILE_BELDATE, FILE_BELONG, FILE_BESHORT, FILE_BESTRING16, FILE_BYTE, FILE_CHECK, FILE_DATE, FILE_LDATE, FILE_LEDATE, FILE_LELDATE, FILE_LELONG, FILE_LESHORT, FILE_LESTRING16, FILE_LONG, file_magwarn(), file_mdump(), file_oomem(), FILE_OPADD, FILE_OPAND, FILE_OPDIVIDE, FILE_OPINDIRECT, FILE_OPINVERSE, FILE_OPMINUS, FILE_OPMODULO, FILE_OPMULTIPLY, FILE_OPOR, FILE_OPS, FILE_OPXOR, FILE_PSTRING, FILE_REGEX, FILE_SEARCH, FILE_SHORT, file_signextend(), FILE_STRING, magic::flag, magic_set::flags, getvalue(), magic::in_offset, magic::in_op, magic::in_type, INDIR, INDIROFFADD, IS_PLAINSTRING, IS_STRING, magic::mask, magic::mask_op, MAXDESC, NBEDATE, NBELDATE, NBELONG, NBESHORT, NBESTRING16, NBYTE, NDATE, NLDATE, NLEDATE, NLELDATE, NLELONG, NLESHORT, NLESTRING16, NLONG, magic::nospflag, NPSTRING, NREGEX, NSEARCH, NSHORT, NSTRING, OFFADD, magic::offset, magic::reln, STRING_COMPACT_BLANK, STRING_COMPACT_OPTIONAL_BLANK, STRING_IGNORE_LOWERCASE, strtoul, magic::type, and UNSIGNED.

Referenced by apprentice_file().

static const char* rcsid ( const char * p ) [static]

Definition at line 48 of file apprentice.c.

static uint16_t swap2 ( uint16_t sv ) [static]

Definition at line 1244 of file apprentice.c.

Referenced by bs1().

static uint32_t swap4 ( uint32_t sv ) [static]

Definition at line 1258 of file apprentice.c.

Referenced by apprentice_map(), and bs1().

Variable Documentation

const uint32_t ar[] [static]

Initial value:

 {
     0xF11E041C ,  2 
}

Definition at line 1168 of file apprentice.c.

Referenced by freeAttrRec(), luaD_callhook(), nullAttrRec(), and parseForAttr().

const char ext[] = ".mgc" [static]

Definition at line 1212 of file apprentice.c.

Referenced by findTag(), hdr_subscript(), init_rpm(), rpmDisplayQueryTags(), rpmecFree(), and rpmecNew().

size_t magicsize = sizeof(struct magic) [static]

Definition at line 86 of file apprentice.c.

size_t maxmagic = 0 [static]

Definition at line 84 of file apprentice.c.

Generated on Fri Oct 12 08:44:55 2007 for rpm by

1.5.2


Defines
#define	EATAB
#define	LOWCASE(l)
#define	MAP_FAILED (void *) -1
#define	MAP_FILE 0
#define	MAXPATHLEN 1024
#define	IS_PLAINSTRING(t)
#define	IS_STRING(t)
#define	ALLOC_INCR 200
#define	NBYTE 4
#define	NSHORT 5
#define	NLONG 4
#define	NSTRING 6
#define	NDATE 4
#define	NBESHORT 7
#define	NBELONG 6
#define	NBEDATE 6
#define	NLESHORT 7
#define	NLELONG 6
#define	NLEDATE 6
#define	NPSTRING 7
#define	NLDATE 5
#define	NBELDATE 7
#define	NLELDATE 7
#define	NREGEX 5
#define	NBESTRING16 10
#define	NLESTRING16 10
#define	NSEARCH 6
#define	RET 1
Functions
static const char *	rcsid (const char *p)
static int	getvalue (struct magic_set ms, struct magic m, char **p)
static int	hextoint (int)
static char *	getstr (struct magic_set ms, char s, char p, int plen, int slen)
static int	parse (struct magic_set ms, struct magic magicp, uint32_t nmagicp, char *l, int action)
static void	eatsize (char **p)
static int	apprentice_1 (struct magic_set ms, const char fn, int action, struct mlist *mlist)
static int	apprentice_file (struct magic_set ms, struct magic magicp, uint32_t nmagicp, const char *fn, int action)
static void	byteswap (struct magic *magic, uint32_t nmagic)
static void	bs1 (struct magic *m)
static uint16_t	swap2 (uint16_t sv)
static uint32_t	swap4 (uint32_t sv)
static char *	mkdbname (const char fn, char buf, size_t, int)
static int	apprentice_map (struct magic_set ms, struct magic magicp, uint32_t nmagicp, const char *fn)
static int	apprentice_compile (struct magic_set ms, struct magic magicp, uint32_t nmagicp, const char *fn)
static int	check_format (struct magic_set ms, struct magic m)
void	file_delmagic (struct magic *p, int type, size_t entries)
mlist *	file_apprentice (struct magic_set ms, const char fn, int action)
uint32_t	file_signextend (struct magic_set ms, struct magic m, uint32_t v)
void	file_showstr (FILE fp, const char s, size_t len)
Variables
static size_t	maxmagic = 0
static size_t	magicsize = sizeof(struct magic)
static const uint32_t	ar []
static const char	ext [] = ".mgc"