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- /*
- * Copyright (c) Ian F. Darwin 1986-1995.
- * Software written by Ian F. Darwin and others;
- * maintained 1995-present by Christos Zoulas and others.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice immediately at the beginning of the file, without modification,
- * this list of conditions, and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
- /*
- * file.h - definitions for file(1) program
- * @(#)$File: file.h,v 1.237 2022/09/10 13:21:42 christos Exp $
- */
- #ifndef __file_h__
- #define __file_h__
- #ifdef HAVE_CONFIG_H
- #include <config.h>
- #endif
- #ifdef HAVE_STDINT_H
- #include <stdint.h>
- #endif
- #ifdef HAVE_INTTYPES_H
- #include <inttypes.h>
- #endif
- #ifndef __STDC_LIMIT_MACROS
- #define __STDC_LIMIT_MACROS
- #endif
- #ifndef __STDC_FORMAT_MACROS
- #define __STDC_FORMAT_MACROS
- #endif
- #ifdef _WIN32
- # ifdef PRIu32
- # ifdef _WIN64
- # define SIZE_T_FORMAT PRIu64
- # else
- # define SIZE_T_FORMAT PRIu32
- # endif
- # define INT64_T_FORMAT PRIi64
- # define INTMAX_T_FORMAT PRIiMAX
- # else
- # ifdef _WIN64
- # define SIZE_T_FORMAT "I64"
- # else
- # define SIZE_T_FORMAT ""
- # endif
- # define INT64_T_FORMAT "I64"
- # define INTMAX_T_FORMAT "I64"
- # endif
- #else
- # define SIZE_T_FORMAT "z"
- # define INT64_T_FORMAT "ll"
- # define INTMAX_T_FORMAT "j"
- #endif
- #include <stdio.h> /* Include that here, to make sure __P gets defined */
- #include <errno.h>
- #include <fcntl.h> /* For open and flags */
- #include <regex.h>
- #include <time.h>
- #include <sys/types.h>
- #ifndef WIN32
- #include <sys/param.h>
- #endif
- /* Do this here and now, because struct stat gets re-defined on solaris */
- #include <sys/stat.h>
- #include <stdarg.h>
- #include <locale.h>
- #if defined(HAVE_XLOCALE_H)
- #include <xlocale.h>
- #endif
- #define ENABLE_CONDITIONALS
- #ifndef MAGIC
- #define MAGIC "/etc/magic"
- #endif
- #if defined(__EMX__) || defined (WIN32)
- #define PATHSEP ';'
- #else
- #define PATHSEP ':'
- #endif
- #define private static
- #if HAVE_VISIBILITY && !defined(WIN32)
- #define public __attribute__ ((__visibility__("default")))
- #ifndef protected
- #define protected __attribute__ ((__visibility__("hidden")))
- #endif
- #else
- #define public
- #ifndef protected
- #define protected
- #endif
- #endif
- #ifndef __arraycount
- #define __arraycount(a) (sizeof(a) / sizeof(a[0]))
- #endif
- #ifndef __GNUC_PREREQ__
- #ifdef __GNUC__
- #define __GNUC_PREREQ__(x, y) \
- ((__GNUC__ == (x) && __GNUC_MINOR__ >= (y)) || \
- (__GNUC__ > (x)))
- #else
- #define __GNUC_PREREQ__(x, y) 0
- #endif
- #endif
- #ifndef __GNUC__
- #ifndef __attribute__
- #define __attribute__(a)
- #endif
- #endif
- #ifndef MIN
- #define MIN(a,b) (((a) < (b)) ? (a) : (b))
- #endif
- #ifndef MAX
- #define MAX(a,b) (((a) > (b)) ? (a) : (b))
- #endif
- #ifndef O_CLOEXEC
- # define O_CLOEXEC 0
- #endif
- #ifndef FD_CLOEXEC
- # define FD_CLOEXEC 1
- #endif
- #define FILE_BADSIZE CAST(size_t, ~0ul)
- #define MAXDESC 64 /* max len of text description/MIME type */
- #define MAXMIME 80 /* max len of text MIME type */
- #define MAXstring 128 /* max len of "string" types */
- #define MAGICNO 0xF11E041C
- #define VERSIONNO 18
- #define FILE_MAGICSIZE 376
- #define FILE_GUID_SIZE sizeof("XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX")
- #define FILE_LOAD 0
- #define FILE_CHECK 1
- #define FILE_COMPILE 2
- #define FILE_LIST 3
- typedef regex_t file_regex_t;
- struct buffer {
- int fd;
- struct stat st;
- const void *fbuf;
- size_t flen;
- off_t eoff;
- void *ebuf;
- size_t elen;
- };
- union VALUETYPE {
- uint8_t b;
- uint16_t h;
- uint32_t l;
- uint64_t q;
- uint8_t hs[2]; /* 2 bytes of a fixed-endian "short" */
- uint8_t hl[4]; /* 4 bytes of a fixed-endian "long" */
- uint8_t hq[8]; /* 8 bytes of a fixed-endian "quad" */
- char s[MAXstring]; /* the search string or regex pattern */
- unsigned char us[MAXstring];
- uint64_t guid[2];
- float f;
- double d;
- };
- struct magic {
- /* Word 1 */
- uint16_t cont_level; /* level of ">" */
- uint8_t flag;
- #define INDIR 0x01 /* if '(...)' appears */
- #define OFFADD 0x02 /* if '>&' or '>...(&' appears */
- #define INDIROFFADD 0x04 /* if '>&(' appears */
- #define UNSIGNED 0x08 /* comparison is unsigned */
- #define NOSPACE 0x10 /* suppress space character before output */
- #define BINTEST 0x20 /* test is for a binary type (set only
- for top-level tests) */
- #define TEXTTEST 0x40 /* for passing to file_softmagic */
- #define OFFNEGATIVE 0x80 /* relative to the end of file */
- uint8_t factor;
- /* Word 2 */
- uint8_t reln; /* relation (0=eq, '>'=gt, etc) */
- uint8_t vallen; /* length of string value, if any */
- uint8_t type; /* comparison type (FILE_*) */
- uint8_t in_type; /* type of indirection */
- #define FILE_INVALID 0
- #define FILE_BYTE 1
- #define FILE_SHORT 2
- #define FILE_DEFAULT 3
- #define FILE_LONG 4
- #define FILE_STRING 5
- #define FILE_DATE 6
- #define FILE_BESHORT 7
- #define FILE_BELONG 8
- #define FILE_BEDATE 9
- #define FILE_LESHORT 10
- #define FILE_LELONG 11
- #define FILE_LEDATE 12
- #define FILE_PSTRING 13
- #define FILE_LDATE 14
- #define FILE_BELDATE 15
- #define FILE_LELDATE 16
- #define FILE_REGEX 17
- #define FILE_BESTRING16 18
- #define FILE_LESTRING16 19
- #define FILE_SEARCH 20
- #define FILE_MEDATE 21
- #define FILE_MELDATE 22
- #define FILE_MELONG 23
- #define FILE_QUAD 24
- #define FILE_LEQUAD 25
- #define FILE_BEQUAD 26
- #define FILE_QDATE 27
- #define FILE_LEQDATE 28
- #define FILE_BEQDATE 29
- #define FILE_QLDATE 30
- #define FILE_LEQLDATE 31
- #define FILE_BEQLDATE 32
- #define FILE_FLOAT 33
- #define FILE_BEFLOAT 34
- #define FILE_LEFLOAT 35
- #define FILE_DOUBLE 36
- #define FILE_BEDOUBLE 37
- #define FILE_LEDOUBLE 38
- #define FILE_BEID3 39
- #define FILE_LEID3 40
- #define FILE_INDIRECT 41
- #define FILE_QWDATE 42
- #define FILE_LEQWDATE 43
- #define FILE_BEQWDATE 44
- #define FILE_NAME 45
- #define FILE_USE 46
- #define FILE_CLEAR 47
- #define FILE_DER 48
- #define FILE_GUID 49
- #define FILE_OFFSET 50
- #define FILE_BEVARINT 51
- #define FILE_LEVARINT 52
- #define FILE_MSDOSDATE 53
- #define FILE_LEMSDOSDATE 54
- #define FILE_BEMSDOSDATE 55
- #define FILE_MSDOSTIME 56
- #define FILE_LEMSDOSTIME 57
- #define FILE_BEMSDOSTIME 58
- #define FILE_OCTAL 59
- #define FILE_NAMES_SIZE 60 /* size of array to contain all names */
- #define IS_STRING(t) \
- ((t) == FILE_STRING || \
- (t) == FILE_PSTRING || \
- (t) == FILE_BESTRING16 || \
- (t) == FILE_LESTRING16 || \
- (t) == FILE_REGEX || \
- (t) == FILE_SEARCH || \
- (t) == FILE_INDIRECT || \
- (t) == FILE_NAME || \
- (t) == FILE_USE || \
- (t) == FILE_OCTAL)
- #define FILE_FMT_NONE 0
- #define FILE_FMT_NUM 1 /* "cduxXi" */
- #define FILE_FMT_STR 2 /* "s" */
- #define FILE_FMT_QUAD 3 /* "ll" */
- #define FILE_FMT_FLOAT 4 /* "eEfFgG" */
- #define FILE_FMT_DOUBLE 5 /* "eEfFgG" */
- /* Word 3 */
- uint8_t in_op; /* operator for indirection */
- uint8_t mask_op; /* operator for mask */
- #ifdef ENABLE_CONDITIONALS
- uint8_t cond; /* conditional type */
- #else
- uint8_t dummy;
- #endif
- uint8_t factor_op;
- #define FILE_FACTOR_OP_PLUS '+'
- #define FILE_FACTOR_OP_MINUS '-'
- #define FILE_FACTOR_OP_TIMES '*'
- #define FILE_FACTOR_OP_DIV '/'
- #define FILE_FACTOR_OP_NONE '\0'
- #define FILE_OPS "&|^+-*/%"
- #define FILE_OPAND 0
- #define FILE_OPOR 1
- #define FILE_OPXOR 2
- #define FILE_OPADD 3
- #define FILE_OPMINUS 4
- #define FILE_OPMULTIPLY 5
- #define FILE_OPDIVIDE 6
- #define FILE_OPMODULO 7
- #define FILE_OPS_MASK 0x07 /* mask for above ops */
- #define FILE_UNUSED_1 0x08
- #define FILE_UNUSED_2 0x10
- #define FILE_OPSIGNED 0x20
- #define FILE_OPINVERSE 0x40
- #define FILE_OPINDIRECT 0x80
- #ifdef ENABLE_CONDITIONALS
- #define COND_NONE 0
- #define COND_IF 1
- #define COND_ELIF 2
- #define COND_ELSE 3
- #endif /* ENABLE_CONDITIONALS */
- /* Word 4 */
- int32_t offset; /* offset to magic number */
- /* Word 5 */
- int32_t in_offset; /* offset from indirection */
- /* Word 6 */
- uint32_t lineno; /* line number in magic file */
- /* Word 7,8 */
- union {
- uint64_t _mask; /* for use with numeric and date types */
- struct {
- uint32_t _count; /* repeat/line count */
- uint32_t _flags; /* modifier flags */
- } _s; /* for use with string types */
- } _u;
- #define num_mask _u._mask
- #define str_range _u._s._count
- #define str_flags _u._s._flags
- /* Words 9-24 */
- union VALUETYPE value; /* either number or string */
- /* Words 25-40 */
- char desc[MAXDESC]; /* description */
- /* Words 41-60 */
- char mimetype[MAXMIME]; /* MIME type */
- /* Words 61-62 */
- char apple[8]; /* APPLE CREATOR/TYPE */
- /* Words 63-78 */
- char ext[64]; /* Popular extensions */
- };
- #define BIT(A) (1 << (A))
- #define STRING_COMPACT_WHITESPACE BIT(0)
- #define STRING_COMPACT_OPTIONAL_WHITESPACE BIT(1)
- #define STRING_IGNORE_LOWERCASE BIT(2)
- #define STRING_IGNORE_UPPERCASE BIT(3)
- #define REGEX_OFFSET_START BIT(4)
- #define STRING_TEXTTEST BIT(5)
- #define STRING_BINTEST BIT(6)
- #define PSTRING_1_BE BIT(7)
- #define PSTRING_1_LE BIT(7)
- #define PSTRING_2_BE BIT(8)
- #define PSTRING_2_LE BIT(9)
- #define PSTRING_4_BE BIT(10)
- #define PSTRING_4_LE BIT(11)
- #define REGEX_LINE_COUNT BIT(11)
- #define PSTRING_LEN \
- (PSTRING_1_BE|PSTRING_2_LE|PSTRING_2_BE|PSTRING_4_LE|PSTRING_4_BE)
- #define PSTRING_LENGTH_INCLUDES_ITSELF BIT(12)
- #define STRING_TRIM BIT(13)
- #define STRING_FULL_WORD BIT(14)
- #define CHAR_COMPACT_WHITESPACE 'W'
- #define CHAR_COMPACT_OPTIONAL_WHITESPACE 'w'
- #define CHAR_IGNORE_LOWERCASE 'c'
- #define CHAR_IGNORE_UPPERCASE 'C'
- #define CHAR_REGEX_OFFSET_START 's'
- #define CHAR_TEXTTEST 't'
- #define CHAR_TRIM 'T'
- #define CHAR_FULL_WORD 'f'
- #define CHAR_BINTEST 'b'
- #define CHAR_PSTRING_1_BE 'B'
- #define CHAR_PSTRING_1_LE 'B'
- #define CHAR_PSTRING_2_BE 'H'
- #define CHAR_PSTRING_2_LE 'h'
- #define CHAR_PSTRING_4_BE 'L'
- #define CHAR_PSTRING_4_LE 'l'
- #define CHAR_PSTRING_LENGTH_INCLUDES_ITSELF 'J'
- #define STRING_IGNORE_CASE (STRING_IGNORE_LOWERCASE|STRING_IGNORE_UPPERCASE)
- #define STRING_DEFAULT_RANGE 100
- #define INDIRECT_RELATIVE BIT(0)
- #define CHAR_INDIRECT_RELATIVE 'r'
- /* list of magic entries */
- struct mlist {
- struct magic *magic; /* array of magic entries */
- file_regex_t **magic_rxcomp; /* array of compiled regexps */
- size_t nmagic; /* number of entries in array */
- void *map; /* internal resources used by entry */
- struct mlist *next, *prev;
- };
- #ifdef __cplusplus
- #define CAST(T, b) static_cast<T>(b)
- #define RCAST(T, b) reinterpret_cast<T>(b)
- #define CCAST(T, b) const_cast<T>(b)
- #else
- #define CAST(T, b) ((T)(b))
- #define RCAST(T, b) ((T)(uintptr_t)(b))
- #define CCAST(T, b) ((T)(uintptr_t)(b))
- #endif
- struct level_info {
- int32_t off;
- int got_match;
- #ifdef ENABLE_CONDITIONALS
- int last_match;
- int last_cond; /* used for error checking by parse() */
- #endif
- };
- struct cont {
- size_t len;
- struct level_info *li;
- };
- #define MAGIC_SETS 2
- struct magic_set {
- struct mlist *mlist[MAGIC_SETS]; /* list of regular entries */
- struct cont c;
- struct out {
- char *buf; /* Accumulation buffer */
- size_t blen; /* Length of buffer */
- char *pbuf; /* Printable buffer */
- } o;
- uint32_t offset; /* a copy of m->offset while we */
- /* are working on the magic entry */
- uint32_t eoffset; /* offset from end of file */
- int error;
- int flags; /* Control magic tests. */
- int event_flags; /* Note things that happened. */
- #define EVENT_HAD_ERR 0x01
- const char *file;
- size_t line; /* current magic line number */
- mode_t mode; /* copy of current stat mode */
- /* data for searches */
- struct {
- const char *s; /* start of search in original source */
- size_t s_len; /* length of search region */
- size_t offset; /* starting offset in source: XXX - should this be off_t? */
- size_t rm_len; /* match length */
- } search;
- /* FIXME: Make the string dynamically allocated so that e.g.
- strings matched in files can be longer than MAXstring */
- union VALUETYPE ms_value; /* either number or string */
- uint16_t indir_max;
- uint16_t name_max;
- uint16_t elf_shnum_max;
- uint16_t elf_phnum_max;
- uint16_t elf_notes_max;
- uint16_t regex_max;
- size_t bytes_max; /* number of bytes to read from file */
- size_t encoding_max; /* bytes to look for encoding */
- #ifndef FILE_BYTES_MAX
- # define FILE_BYTES_MAX (1024 * 1024) /* how much of the file to look at */
- #endif
- #define FILE_ELF_NOTES_MAX 256
- #define FILE_ELF_PHNUM_MAX 2048
- #define FILE_ELF_SHNUM_MAX 32768
- #define FILE_INDIR_MAX 50
- #define FILE_NAME_MAX 50
- #define FILE_REGEX_MAX 8192
- #define FILE_ENCODING_MAX (64 * 1024)
- #if defined(HAVE_NEWLOCALE) && defined(HAVE_USELOCALE) && defined(HAVE_FREELOCALE)
- #define USE_C_LOCALE
- locale_t c_lc_ctype;
- #define file_locale_used
- #else
- #define file_locale_used __attribute__((__unused__))
- #endif
- };
- /* Type for Unicode characters */
- typedef unsigned long file_unichar_t;
- struct stat;
- #define FILE_T_LOCAL 1
- #define FILE_T_WINDOWS 2
- protected const char *file_fmtdatetime(char *, size_t, uint64_t, int);
- protected const char *file_fmtdate(char *, size_t, uint16_t);
- protected const char *file_fmttime(char *, size_t, uint16_t);
- protected const char *file_fmtvarint(char *, size_t, const unsigned char *,
- int);
- protected const char *file_fmtnum(char *, size_t, const char *, int);
- protected struct magic_set *file_ms_alloc(int);
- protected void file_ms_free(struct magic_set *);
- protected int file_default(struct magic_set *, size_t);
- protected int file_buffer(struct magic_set *, int, struct stat *, const char *,
- const void *, size_t);
- protected int file_fsmagic(struct magic_set *, const char *, struct stat *);
- protected int file_pipe2file(struct magic_set *, int, const void *, size_t);
- protected int file_vprintf(struct magic_set *, const char *, va_list)
- __attribute__((__format__(__printf__, 2, 0)));
- protected int file_separator(struct magic_set *);
- protected char *file_copystr(char *, size_t, size_t, const char *);
- protected int file_checkfmt(char *, size_t, const char *);
- protected size_t file_printedlen(const struct magic_set *);
- protected int file_print_guid(char *, size_t, const uint64_t *);
- protected int file_parse_guid(const char *, uint64_t *);
- protected int file_replace(struct magic_set *, const char *, const char *);
- protected int file_printf(struct magic_set *, const char *, ...)
- __attribute__((__format__(__printf__, 2, 3)));
- protected int file_reset(struct magic_set *, int);
- protected int file_tryelf(struct magic_set *, const struct buffer *);
- protected int file_trycdf(struct magic_set *, const struct buffer *);
- #if HAVE_FORK
- protected int file_zmagic(struct magic_set *, const struct buffer *,
- const char *);
- #endif
- protected int file_ascmagic(struct magic_set *, const struct buffer *,
- int);
- protected int file_ascmagic_with_encoding(struct magic_set *,
- const struct buffer *, file_unichar_t *, size_t, const char *, const char *, int);
- protected int file_encoding(struct magic_set *, const struct buffer *,
- file_unichar_t **, size_t *, const char **, const char **, const char **);
- protected int file_is_json(struct magic_set *, const struct buffer *);
- protected int file_is_csv(struct magic_set *, const struct buffer *, int);
- protected int file_is_tar(struct magic_set *, const struct buffer *);
- protected int file_softmagic(struct magic_set *, const struct buffer *,
- uint16_t *, uint16_t *, int, int);
- protected int file_apprentice(struct magic_set *, const char *, int);
- protected int buffer_apprentice(struct magic_set *, struct magic **,
- size_t *, size_t);
- protected int file_magicfind(struct magic_set *, const char *, struct mlist *);
- protected uint64_t file_signextend(struct magic_set *, struct magic *,
- uint64_t);
- protected uintmax_t file_varint2uintmax_t(const unsigned char *, int, size_t *);
- protected void file_badread(struct magic_set *);
- protected void file_badseek(struct magic_set *);
- protected void file_oomem(struct magic_set *, size_t);
- protected void file_error(struct magic_set *, int, const char *, ...)
- __attribute__((__format__(__printf__, 3, 4)));
- protected void file_magerror(struct magic_set *, const char *, ...)
- __attribute__((__format__(__printf__, 2, 3)));
- protected void file_magwarn(struct magic_set *, const char *, ...)
- __attribute__((__format__(__printf__, 2, 3)));
- protected void file_mdump(struct magic *);
- protected void file_showstr(FILE *, const char *, size_t);
- protected size_t file_mbswidth(struct magic_set *, const char *);
- protected const char *file_getbuffer(struct magic_set *);
- protected ssize_t sread(int, void *, size_t, int);
- protected int file_check_mem(struct magic_set *, unsigned int);
- protected int file_looks_utf8(const unsigned char *, size_t, file_unichar_t *,
- size_t *);
- protected size_t file_pstring_length_size(struct magic_set *,
- const struct magic *);
- protected size_t file_pstring_get_length(struct magic_set *,
- const struct magic *, const char *);
- protected char * file_printable(struct magic_set *, char *, size_t,
- const char *, size_t);
- #ifdef __EMX__
- protected int file_os2_apptype(struct magic_set *, const char *, const void *,
- size_t);
- #endif /* __EMX__ */
- protected int file_pipe_closexec(int *);
- protected int file_clear_closexec(int);
- protected char *file_strtrim(char *);
- protected void buffer_init(struct buffer *, int, const struct stat *,
- const void *, size_t);
- protected void buffer_fini(struct buffer *);
- protected int buffer_fill(const struct buffer *);
- protected int file_regcomp(struct magic_set *, file_regex_t *, const char *,
- int);
- protected int file_regexec(struct magic_set *, file_regex_t *, const char *,
- size_t, regmatch_t *, int);
- protected void file_regfree(file_regex_t *);
- typedef struct {
- char *buf;
- size_t blen;
- uint32_t offset;
- } file_pushbuf_t;
- protected file_pushbuf_t *file_push_buffer(struct magic_set *);
- protected char *file_pop_buffer(struct magic_set *, file_pushbuf_t *);
- #ifndef COMPILE_ONLY
- extern const char *file_names[];
- extern const size_t file_nnames;
- #endif
- #ifndef HAVE_PREAD
- ssize_t pread(int, void *, size_t, off_t);
- #endif
- #ifndef HAVE_VASPRINTF
- int vasprintf(char **, const char *, va_list);
- #endif
- #ifndef HAVE_ASPRINTF
- int asprintf(char **, const char *, ...);
- #endif
- #ifndef HAVE_DPRINTF
- int dprintf(int, const char *, ...);
- #endif
- #ifndef HAVE_STRLCPY
- size_t strlcpy(char *, const char *, size_t);
- #endif
- #ifndef HAVE_STRLCAT
- size_t strlcat(char *, const char *, size_t);
- #endif
- #ifndef HAVE_STRCASESTR
- char *strcasestr(const char *, const char *);
- #endif
- #ifndef HAVE_GETLINE
- ssize_t getline(char **, size_t *, FILE *);
- ssize_t getdelim(char **, size_t *, int, FILE *);
- #endif
- #ifndef HAVE_CTIME_R
- char *ctime_r(const time_t *, char *);
- #endif
- #ifndef HAVE_ASCTIME_R
- char *asctime_r(const struct tm *, char *);
- #endif
- #ifndef HAVE_GMTIME_R
- struct tm *gmtime_r(const time_t *, struct tm *);
- #endif
- #ifndef HAVE_LOCALTIME_R
- struct tm *localtime_r(const time_t *, struct tm *);
- #endif
- #ifndef HAVE_FMTCHECK
- const char *fmtcheck(const char *, const char *)
- __attribute__((__format_arg__(2)));
- #endif
- #ifdef HAVE_LIBSECCOMP
- // basic filter
- // this mode should not interfere with normal operations
- // only some dangerous syscalls are blacklisted
- int enable_sandbox_basic(void);
- // enhanced filter
- // this mode allows only the necessary syscalls used during normal operation
- // extensive testing required !!!
- int enable_sandbox_full(void);
- #endif
- protected const char *file_getprogname(void);
- protected void file_setprogname(const char *);
- protected void file_err(int, const char *, ...)
- __attribute__((__format__(__printf__, 2, 3), __noreturn__));
- protected void file_errx(int, const char *, ...)
- __attribute__((__format__(__printf__, 2, 3), __noreturn__));
- protected void file_warn(const char *, ...)
- __attribute__((__format__(__printf__, 1, 2)));
- protected void file_warnx(const char *, ...)
- __attribute__((__format__(__printf__, 1, 2)));
- #if defined(HAVE_MMAP) && defined(HAVE_SYS_MMAN_H) && !defined(QUICK)
- #define QUICK
- #endif
- #ifndef O_BINARY
- #define O_BINARY 0
- #endif
- #ifndef O_NONBLOCK
- #define O_NONBLOCK 0
- #endif
- #ifndef __cplusplus
- #if defined(__GNUC__) && (__GNUC__ >= 3)
- #define FILE_RCSID(id) \
- static const char rcsid[] __attribute__((__used__)) = id;
- #else
- #define FILE_RCSID(id) \
- static const char *rcsid(const char *p) { \
- return rcsid(p = id); \
- }
- #endif
- #else
- #define FILE_RCSID(id)
- #endif
- #ifndef __RCSID
- #define __RCSID(a)
- #endif
- #endif /* __file_h__ */
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