#include <netdb.h>
#include <setjmp.h>
#include <signal.h>
+#include <paths.h>
#if defined __UCLIBC__ /* TODO: and glibc? */
/* use inlined versions of these: */
# define sigfillset(s) __sigfillset(s)
#include <stdarg.h>
#include <stddef.h>
#include <string.h>
-#include <sys/poll.h>
+/* There are two incompatible basename's, let's not use them! */
+/* See the dirname/basename man page for details */
+#include <libgen.h> /* dirname,basename */
+#undef basename
+#define basename dont_use_basename
+#include <poll.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>
-#ifndef major
+#if !defined(major) || defined(__GLIBC__)
# include <sys/sysmacros.h>
#endif
#include <sys/wait.h>
#include <termios.h>
#include <time.h>
#include <sys/param.h>
+#include <pwd.h>
+#include <grp.h>
+#if ENABLE_FEATURE_SHADOWPASSWDS
+# if !ENABLE_USE_BB_SHADOW
+/* If using busybox's shadow implementation, do not include the shadow.h
+ * header as the toolchain may not provide it at all.
+ */
+# include <shadow.h>
+# endif
+#endif
+#if defined(ANDROID) || defined(__ANDROID__)
+# define endpwent() ((void)0)
+# define endgrent() ((void)0)
+#endif
#ifdef HAVE_MNTENT_H
# include <mntent.h>
#endif
#if ENABLE_SELINUX
# include <selinux/selinux.h>
# include <selinux/context.h>
-# include <selinux/flask.h>
-# include <selinux/av_permissions.h>
#endif
#if ENABLE_FEATURE_UTMP
-# include <utmp.h>
+# if defined __UCLIBC__ && ( \
+ (UCLIBC_VERSION >= KERNEL_VERSION(0, 9, 32) \
+ && UCLIBC_VERSION < KERNEL_VERSION(0, 9, 34) \
+ && defined __UCLIBC_HAS_UTMPX__ \
+ ) || ( \
+ UCLIBC_VERSION >= KERNEL_VERSION(0, 9, 34) \
+ ) \
+ )
+# include <utmpx.h>
+# elif defined __UCLIBC__
+# include <utmp.h>
+# define utmpx utmp
+# define setutxent setutent
+# define endutxent endutent
+# define getutxent getutent
+# define getutxid getutid
+# define getutxline getutline
+# define pututxline pututline
+# define utmpxname utmpname
+# define updwtmpx updwtmp
+# define _PATH_UTMPX _PATH_UTMP
+# else
+# include <utmp.h>
+# include <utmpx.h>
+# if defined _PATH_UTMP && !defined _PATH_UTMPX
+# define _PATH_UTMPX _PATH_UTMP
+# endif
+# endif
#endif
#if ENABLE_LOCALE_SUPPORT
# include <locale.h>
#ifdef DMALLOC
# include <dmalloc.h>
#endif
-#include <pwd.h>
-#include <grp.h>
-#if ENABLE_FEATURE_SHADOWPASSWDS
-# if !ENABLE_USE_BB_SHADOW
-/* If using busybox's shadow implementation, do not include the shadow.h
- * header as the toolchain may not provide it at all.
- */
-# include <shadow.h>
-# endif
-#endif
/* Just in case libc doesn't define some of these... */
#ifndef _PATH_PASSWD
#define _PATH_PASSWD "/etc/passwd"
# include <netinet/in.h>
#else
# include <arpa/inet.h>
-# if !defined(__socklen_t_defined) && !defined(_SOCKLEN_T_DECLARED)
-/* We #define socklen_t *after* includes, otherwise we get
- * typedef redefinition errors from system headers
- * (in case "is it defined already" detection above failed)
- */
-# define socklen_t bb_socklen_t
- typedef unsigned socklen_t;
-# endif
+//This breaks on bionic:
+//# if !defined(__socklen_t_defined) && !defined(_SOCKLEN_T_DECLARED)
+///* We #define socklen_t *after* includes, otherwise we get
+// * typedef redefinition errors from system headers
+// * (in case "is it defined already" detection above failed)
+// */
+//# define socklen_t bb_socklen_t
+// typedef unsigned socklen_t;
+//# endif
+//if this is still needed, add a fix along the lines of
+// ifdef SPECIFIC_BROKEN_LIBC_CHECK / typedef socklen_t / endif
+//in platform.h instead!
#endif
#ifndef HAVE_CLEARENV
# define clearenv() do { if (environ) environ[0] = NULL; } while (0)
#endif
/* klogctl is in libc's klog.h, but we cheat and not #include that */
int klogctl(int type, char *b, int len);
-/* This is declared here rather than #including <libgen.h> in order to avoid
- * confusing the two versions of basename. See the dirname/basename man page
- * for details. */
-#if !defined __FreeBSD__
-char *dirname(char *path);
-#endif
#ifndef PATH_MAX
# define PATH_MAX 256
#endif
/* Busybox does not use threads, we can speed up stdio. */
#ifdef HAVE_UNLOCKED_STDIO
# undef getc
-# define getc(stream) getc_unlocked(stream)
+# define getc(stream) getc_unlocked(stream)
# undef getchar
-# define getchar() getchar_unlocked()
+# define getchar() getchar_unlocked()
# undef putc
-# define putc(c, stream) putc_unlocked(c, stream)
+# define putc(c,stream) putc_unlocked(c,stream)
# undef putchar
-# define putchar(c) putchar_unlocked(c)
+# define putchar(c) putchar_unlocked(c)
# undef fgetc
-# define fgetc(stream) getc_unlocked(stream)
+# define fgetc(stream) getc_unlocked(stream)
# undef fputc
-# define fputc(c, stream) putc_unlocked(c, stream)
+# define fputc(c,stream) putc_unlocked(c,stream)
#endif
/* Above functions are required by POSIX.1-2008, below ones are extensions */
#ifdef HAVE_UNLOCKED_LINE_OPS
# undef fgets
-# define fgets(s, n, stream) fgets_unlocked(s, n, stream)
+# define fgets(s,n,stream) fgets_unlocked(s,n,stream)
# undef fputs
-# define fputs(s, stream) fputs_unlocked(s, stream)
+# define fputs(s,stream) fputs_unlocked(s,stream)
+/* musl <= 1.1.15 does not support fflush_unlocked(NULL) */
+//# undef fflush
+//# define fflush(stream) fflush_unlocked(stream)
+# undef feof
+# define feof(stream) feof_unlocked(stream)
+# undef ferror
+# define ferror(stream) ferror_unlocked(stream)
+# undef fileno
+# define fileno(stream) fileno_unlocked(stream)
#endif
# if ULONG_MAX > 0xffffffff
/* "long" is long enough on this system */
typedef unsigned long uoff_t;
-# define XATOOFF(a) xatoul_range(a, 0, LONG_MAX)
+# define XATOOFF(a) xatoul_range((a), 0, LONG_MAX)
/* usage: sz = BB_STRTOOFF(s, NULL, 10); if (errno || sz < 0) die(); */
# define BB_STRTOOFF bb_strtoul
# define STRTOOFF strtoul
# else
/* "long" is too short, need "long long" */
typedef unsigned long long uoff_t;
-# define XATOOFF(a) xatoull_range(a, 0, LLONG_MAX)
+# define XATOOFF(a) xatoull_range((a), 0, LLONG_MAX)
# define BB_STRTOOFF bb_strtoull
# define STRTOOFF strtoull
# define OFF_FMT "ll"
# define OFF_FMT "l"
# else
typedef unsigned long uoff_t;
-# define XATOOFF(a) xatoul_range(a, 0, LONG_MAX)
+# define XATOOFF(a) xatoul_range((a), 0, LONG_MAX)
# define BB_STRTOOFF bb_strtoul
# define STRTOOFF strtol
# define OFF_FMT "l"
#endif
/* scary. better ideas? (but do *test* them first!) */
#define OFF_T_MAX ((off_t)~((off_t)1 << (sizeof(off_t)*8-1)))
+/* Users report bionic to use 32-bit off_t even if LARGEFILE support is requested.
+ * We misdetected that. Don't let it build:
+ */
+struct BUG_off_t_size_is_misdetected {
+ char BUG_off_t_size_is_misdetected[sizeof(off_t) == sizeof(uoff_t) ? 1 : -1];
+};
/* Some useful definitions */
#undef FALSE
#undef SKIP
#define SKIP ((int) 2)
-/* for mtab.c */
-#define MTAB_GETMOUNTPT '1'
-#define MTAB_GETDEVICE '2'
-
-#define BUF_SIZE 8192
-#define EXPAND_ALLOC 1024
-
/* Macros for min/max. */
#ifndef MIN
#define MIN(a,b) (((a)<(b))?(a):(b))
//TODO: supply a pointer to char[11] buffer (avoid statics)?
extern const char *bb_mode_string(mode_t mode) FAST_FUNC;
-extern int is_directory(const char *name, int followLinks, struct stat *statBuf) FAST_FUNC;
-enum { /* DO NOT CHANGE THESE VALUES! cp.c, mv.c, install.c depend on them. */
+extern int is_directory(const char *name, int followLinks) FAST_FUNC;
+enum { /* cp.c, mv.c, install.c depend on these values. CAREFUL when changing them! */
FILEUTILS_PRESERVE_STATUS = 1 << 0, /* -p */
FILEUTILS_DEREFERENCE = 1 << 1, /* !-d */
FILEUTILS_RECUR = 1 << 2, /* -R */
FILEUTILS_MAKE_SOFTLINK = 1 << 6, /* -s */
FILEUTILS_DEREF_SOFTLINK = 1 << 7, /* -L */
FILEUTILS_DEREFERENCE_L0 = 1 << 8, /* -H */
+ /* -a = -pdR (mapped in cp.c) */
+ /* -r = -dR (mapped in cp.c) */
+ /* -P = -d (mapped in cp.c) */
+ FILEUTILS_VERBOSE = (1 << 12) * ENABLE_FEATURE_VERBOSE, /* -v */
+ FILEUTILS_UPDATE = 1 << 13, /* -u */
+#if ENABLE_SELINUX
+ FILEUTILS_PRESERVE_SECURITY_CONTEXT = 1 << 14, /* -c */
+#endif
+ FILEUTILS_RMDEST = 1 << (15 - !ENABLE_SELINUX), /* --remove-destination */
+ /*
+ * Hole. cp may have some bits set here,
+ * they should not affect remove_file()/copy_file()
+ */
#if ENABLE_SELINUX
- FILEUTILS_PRESERVE_SECURITY_CONTEXT = 1 << 9, /* -c */
- FILEUTILS_SET_SECURITY_CONTEXT = 1 << 10,
+ FILEUTILS_SET_SECURITY_CONTEXT = 1 << 30,
#endif
+ FILEUTILS_IGNORE_CHMOD_ERR = 1 << 31,
};
-#define FILEUTILS_CP_OPTSTR "pdRfilsLH" IF_SELINUX("c")
+#define FILEUTILS_CP_OPTSTR "pdRfilsLHarPvu" IF_SELINUX("c")
extern int remove_file(const char *path, int flags) FAST_FUNC;
/* NB: without FILEUTILS_RECUR in flags, it will basically "cat"
* the source, not copy (unless "source" is a directory).
const char *bb_basename(const char *name) FAST_FUNC;
/* NB: can violate const-ness (similarly to strchr) */
char *last_char_is(const char *s, int c) FAST_FUNC;
+const char* endofname(const char *name) FAST_FUNC;
+char *is_prefixed_with(const char *string, const char *key) FAST_FUNC;
+char *is_suffixed_with(const char *string, const char *key) FAST_FUNC;
-void ndelay_on(int fd) FAST_FUNC;
-void ndelay_off(int fd) FAST_FUNC;
+int ndelay_on(int fd) FAST_FUNC;
+int ndelay_off(int fd) FAST_FUNC;
void close_on_exec_on(int fd) FAST_FUNC;
void xdup2(int, int) FAST_FUNC;
void xmove_fd(int, int) FAST_FUNC;
void xsetgid(gid_t gid) FAST_FUNC;
void xsetuid(uid_t uid) FAST_FUNC;
+void xsetegid(gid_t egid) FAST_FUNC;
+void xseteuid(uid_t euid) FAST_FUNC;
void xchdir(const char *path) FAST_FUNC;
+void xfchdir(int fd) FAST_FUNC;
void xchroot(const char *path) FAST_FUNC;
void xsetenv(const char *key, const char *value) FAST_FUNC;
void bb_unsetenv(const char *key) FAST_FUNC;
void xunlink(const char *pathname) FAST_FUNC;
void xstat(const char *pathname, struct stat *buf) FAST_FUNC;
void xfstat(int fd, struct stat *buf, const char *errmsg) FAST_FUNC;
+int open3_or_warn(const char *pathname, int flags, int mode) FAST_FUNC;
+int open_or_warn(const char *pathname, int flags) FAST_FUNC;
+int xopen3(const char *pathname, int flags, int mode) FAST_FUNC;
int xopen(const char *pathname, int flags) FAST_FUNC;
int xopen_nonblocking(const char *pathname) FAST_FUNC;
-int xopen3(const char *pathname, int flags, int mode) FAST_FUNC;
-int open_or_warn(const char *pathname, int flags) FAST_FUNC;
-int open3_or_warn(const char *pathname, int flags, int mode) FAST_FUNC;
+int xopen_as_uid_gid(const char *pathname, int flags, uid_t u, gid_t g) FAST_FUNC;
int open_or_warn_stdin(const char *pathname) FAST_FUNC;
int xopen_stdin(const char *pathname) FAST_FUNC;
void xrename(const char *oldpath, const char *newpath) FAST_FUNC;
off_t fdlength(int fd) FAST_FUNC;
uoff_t FAST_FUNC get_volume_size_in_bytes(int fd,
- const char *override,
- unsigned override_units,
- int extend);
+ const char *override,
+ unsigned override_units,
+ int extend);
void xpipe(int filedes[2]) FAST_FUNC;
/* In this form code with pipes is much more readable */
void parse_datestr(const char *date_str, struct tm *ptm) FAST_FUNC;
time_t validate_tm_time(const char *date_str, struct tm *ptm) FAST_FUNC;
-
+char *strftime_HHMMSS(char *buf, unsigned len, time_t *tp) FAST_FUNC;
+char *strftime_YYYYMMDDHHMMSS(char *buf, unsigned len, time_t *tp) FAST_FUNC;
int xsocket(int domain, int type, int protocol) FAST_FUNC;
void xbind(int sockfd, struct sockaddr *my_addr, socklen_t addrlen) FAST_FUNC;
void xconnect(int s, const struct sockaddr *s_addr, socklen_t addrlen) FAST_FUNC;
ssize_t xsendto(int s, const void *buf, size_t len, const struct sockaddr *to,
socklen_t tolen) FAST_FUNC;
+
+int setsockopt_int(int fd, int level, int optname, int optval) FAST_FUNC;
+int setsockopt_1(int fd, int level, int optname) FAST_FUNC;
+int setsockopt_SOL_SOCKET_int(int fd, int optname, int optval) FAST_FUNC;
+int setsockopt_SOL_SOCKET_1(int fd, int optname) FAST_FUNC;
/* SO_REUSEADDR allows a server to rebind to an address that is already
* "in use" by old connections to e.g. previous server instance which is
* killed or crashed. Without it bind will fail until all such connections
* regardless of SO_REUSEADDR (unlike some other flavors of Unix).
* Turn it on before you call bind(). */
void setsockopt_reuseaddr(int fd) FAST_FUNC; /* On Linux this never fails. */
+int setsockopt_keepalive(int fd) FAST_FUNC;
int setsockopt_broadcast(int fd) FAST_FUNC;
int setsockopt_bindtodevice(int fd, const char *iface) FAST_FUNC;
/* NB: returns port in host byte order */
* and if kernel doesn't support it, fall back to IPv4.
* This is useful if you plan to bind to resulting local lsa.
*/
-#if ENABLE_FEATURE_IPV6
int xsocket_type(len_and_sockaddr **lsap, int af, int sock_type) FAST_FUNC;
-#else
-int xsocket_type(len_and_sockaddr **lsap, int sock_type) FAST_FUNC;
-#define xsocket_type(lsap, af, sock_type) xsocket_type((lsap), (sock_type))
-#endif
int xsocket_stream(len_and_sockaddr **lsap) FAST_FUNC;
/* Create server socket bound to bindaddr:port. bindaddr can be NULL,
* numeric IP ("N.N.N.N") or numeric IPv6 address,
struct sockaddr *to,
socklen_t sa_size) FAST_FUNC;
+uint16_t inet_cksum(uint16_t *addr, int len) FAST_FUNC;
char *xstrdup(const char *s) FAST_FUNC RETURNS_MALLOC;
char *xstrndup(const char *s, int n) FAST_FUNC RETURNS_MALLOC;
+void *xmemdup(const void *s, int n) FAST_FUNC RETURNS_MALLOC;
void overlapping_strcpy(char *dst, const char *src) FAST_FUNC;
char *safe_strncpy(char *dst, const char *src, size_t size) FAST_FUNC;
char *strncpy_IFNAMSIZ(char *dst, const char *src) FAST_FUNC;
+unsigned count_strstr(const char *str, const char *sub) FAST_FUNC;
+char *xmalloc_substitute_string(const char *src, int count, const char *sub, const char *repl) FAST_FUNC;
/* Guaranteed to NOT be a macro (smallest code). Saves nearly 2k on uclibc.
* But potentially slow, don't use in one-billion-times loops */
int bb_putchar(int ch) FAST_FUNC;
/* Note: does not use stdio, writes to fd 2 directly */
int bb_putchar_stderr(char ch) FAST_FUNC;
char *xasprintf(const char *format, ...) __attribute__ ((format(printf, 1, 2))) FAST_FUNC RETURNS_MALLOC;
+char *auto_string(char *str) FAST_FUNC;
// gcc-4.1.1 still isn't good enough at optimizing it
// (+200 bytes compared to macro)
//static ALWAYS_INLINE
* else it is printed as-is (except for ch = 0x9b) */
enum { PRINTABLE_META = 0x100 };
void fputc_printable(int ch, FILE *file) FAST_FUNC;
+/* Return a string that is the printable representation of character ch.
+ * Buffer must hold at least four characters. */
+enum {
+ VISIBLE_ENDLINE = 1 << 0,
+ VISIBLE_SHOW_TABS = 1 << 1,
+};
+void visible(unsigned ch, char *buf, int flags) FAST_FUNC;
/* dmalloc will redefine these to it's own implementation. It is safe
* to have the prototypes here unconditionally. */
void *xmalloc(size_t size) FAST_FUNC RETURNS_MALLOC;
void *xzalloc(size_t size) FAST_FUNC RETURNS_MALLOC;
void *xrealloc(void *old, size_t size) FAST_FUNC;
-/* After xrealloc_vector(v, 4, idx) it's ok to use
+/* After v = xrealloc_vector(v, SHIFT, idx) it's ok to use
* at least v[idx] and v[idx+1], for all idx values.
- * shift specifies how many new elements are added (1: 2, 2: 4... 8: 256...)
- * when all elements are used up. New elements are zeroed out. */
+ * SHIFT specifies how many new elements are added (1:2, 2:4, ..., 8:256...)
+ * when all elements are used up. New elements are zeroed out.
+ * xrealloc_vector(v, SHIFT, idx) *MUST* be called with consecutive IDXs -
+ * skipping an index is a bad bug - it may miss a realloc!
+ */
#define xrealloc_vector(vector, shift, idx) \
xrealloc_vector_helper((vector), (sizeof((vector)[0]) << 8) + (shift), (idx))
void* xrealloc_vector_helper(void *vector, unsigned sizeof_and_shift, int idx) FAST_FUNC;
extern ssize_t safe_read(int fd, void *buf, size_t count) FAST_FUNC;
-extern ssize_t nonblock_immune_read(int fd, void *buf, size_t count, int loop_on_EINTR) FAST_FUNC;
+extern ssize_t nonblock_immune_read(int fd, void *buf, size_t count) FAST_FUNC;
// NB: will return short read on error, not -1,
// if some data was read before error occurred
extern ssize_t full_read(int fd, void *buf, size_t count) FAST_FUNC;
extern void *xmalloc_open_read_close(const char *filename, size_t *maxsz_p) FAST_FUNC RETURNS_MALLOC;
/* Never returns NULL */
extern void *xmalloc_xopen_read_close(const char *filename, size_t *maxsz_p) FAST_FUNC RETURNS_MALLOC;
-/* Autodetects gzip/bzip2 formats. fd may be in the middle of the file! */
-#if ENABLE_FEATURE_SEAMLESS_LZMA \
- || ENABLE_FEATURE_SEAMLESS_BZ2 \
- || ENABLE_FEATURE_SEAMLESS_GZ \
- /* || ENABLE_FEATURE_SEAMLESS_Z */
-extern void setup_unzip_on_fd(int fd /*, int fail_if_not_detected*/) FAST_FUNC;
+
+#if defined(ARG_MAX) && (ARG_MAX >= 60*1024 || !defined(_SC_ARG_MAX))
+/* Use _constant_ maximum if: defined && (big enough || no variable one exists) */
+# define bb_arg_max() ((unsigned)ARG_MAX)
+#elif defined(_SC_ARG_MAX)
+/* Else use variable one (a bit more expensive) */
+unsigned bb_arg_max(void) FAST_FUNC;
#else
-# define setup_unzip_on_fd(...) ((void)0)
+/* If all else fails */
+# define bb_arg_max() ((unsigned)(32 * 1024))
#endif
+unsigned bb_clk_tck(void) FAST_FUNC;
+
+#define SEAMLESS_COMPRESSION (0 \
+ || ENABLE_FEATURE_SEAMLESS_XZ \
+ || ENABLE_FEATURE_SEAMLESS_LZMA \
+ || ENABLE_FEATURE_SEAMLESS_BZ2 \
+ || ENABLE_FEATURE_SEAMLESS_GZ \
+ || ENABLE_FEATURE_SEAMLESS_Z)
+
+#if SEAMLESS_COMPRESSION
+/* Autodetects gzip/bzip2 formats. fd may be in the middle of the file! */
+extern int setup_unzip_on_fd(int fd, int fail_if_not_compressed) FAST_FUNC;
/* Autodetects .gz etc */
-extern int open_zipped(const char *fname) FAST_FUNC;
+extern int open_zipped(const char *fname, int fail_if_not_compressed) FAST_FUNC;
extern void *xmalloc_open_zipped_read_close(const char *fname, size_t *maxsz_p) FAST_FUNC RETURNS_MALLOC;
+#else
+# define setup_unzip_on_fd(...) (0)
+# define open_zipped(fname, fail_if_not_compressed) open((fname), O_RDONLY);
+# define xmalloc_open_zipped_read_close(fname, maxsz_p) xmalloc_open_read_close((fname), (maxsz_p))
+#endif
extern ssize_t safe_write(int fd, const void *buf, size_t count) FAST_FUNC;
// NB: will return short write on error, not -1,
int safe_poll(struct pollfd *ufds, nfds_t nfds, int timeout_ms) FAST_FUNC;
char *safe_gethostname(void) FAST_FUNC;
-char *safe_getdomainname(void) FAST_FUNC;
/* Convert each alpha char in str to lower-case */
char* str_tolower(char *str) FAST_FUNC;
char *utoa_to_buf(unsigned n, char *buf, unsigned buflen) FAST_FUNC;
char *itoa_to_buf(int n, char *buf, unsigned buflen) FAST_FUNC;
/* Intelligent formatters of bignums */
-void smart_ulltoa4(unsigned long long ul, char buf[4], const char *scale) FAST_FUNC;
-void smart_ulltoa5(unsigned long long ul, char buf[5], const char *scale) FAST_FUNC;
+char *smart_ulltoa4(unsigned long long ul, char buf[4], const char *scale) FAST_FUNC;
+char *smart_ulltoa5(unsigned long long ul, char buf[5], const char *scale) FAST_FUNC;
/* If block_size == 0, display size without fractional part,
* else display (size * block_size) with one decimal digit.
* If display_unit == 0, show value no bigger than 1024 with suffix (K,M,G...),
const char *make_human_readable_str(unsigned long long size,
unsigned long block_size, unsigned long display_unit) FAST_FUNC;
/* Put a string of hex bytes ("1b2e66fe"...), return advanced pointer */
-char *bin2hex(char *buf, const char *cp, int count) FAST_FUNC;
+char *bin2hex(char *dst, const char *src, int count) FAST_FUNC;
/* Reverse */
-char* hex2bin(char *dst, const char *str, int count) FAST_FUNC;
+char* hex2bin(char *dst, const char *src, int count) FAST_FUNC;
/* Generate a UUID */
void generate_uuid(uint8_t *buf) FAST_FUNC;
char suffix[4];
unsigned mult;
};
+extern const struct suffix_mult bkm_suffixes[];
+#define km_suffixes (bkm_suffixes + 1)
+extern const struct suffix_mult cwbkMG_suffixes[];
+#define kMG_suffixes (cwbkMG_suffixes + 3)
+
#include "xatonum.h"
/* Specialized: */
long xgroup2gid(const char *name) FAST_FUNC;
/* wrapper: allows string to contain numeric uid or gid */
unsigned long get_ug_id(const char *s, long FAST_FUNC (*xname2id)(const char *)) FAST_FUNC;
-/* from chpst. Does not die, returns 0 on failure */
struct bb_uidgid_t {
uid_t uid;
gid_t gid;
};
-/* always sets uid and gid */
-int get_uidgid(struct bb_uidgid_t*, const char*, int numeric_ok) FAST_FUNC;
-/* always sets uid and gid, allows numeric; exits on failure */
+/* always sets uid and gid; returns 0 on failure */
+int get_uidgid(struct bb_uidgid_t*, const char*) FAST_FUNC;
+/* always sets uid and gid; exits on failure */
void xget_uidgid(struct bb_uidgid_t*, const char*) FAST_FUNC;
/* chown-like handling of "user[:[group]" */
void parse_chown_usergroup_or_die(struct bb_uidgid_t *u, char *user_group) FAST_FUNC;
#if ENABLE_FEATURE_UTMP
void FAST_FUNC write_new_utmp(pid_t pid, int new_type, const char *tty_name, const char *username, const char *hostname);
void FAST_FUNC update_utmp(pid_t pid, int new_type, const char *tty_name, const char *username, const char *hostname);
+void FAST_FUNC update_utmp_DEAD_PROCESS(pid_t pid);
#else
# define write_new_utmp(pid, new_type, tty_name, username, hostname) ((void)0)
# define update_utmp(pid, new_type, tty_name, username, hostname) ((void)0)
+# define update_utmp_DEAD_PROCESS(pid) ((void)0)
#endif
-int execable_file(const char *name) FAST_FUNC;
-char *find_execable(const char *filename, char **PATHp) FAST_FUNC;
-int exists_execable(const char *filename) FAST_FUNC;
+int file_is_executable(const char *name) FAST_FUNC;
+char *find_executable(const char *filename, char **PATHp) FAST_FUNC;
+int executable_exists(const char *filename) FAST_FUNC;
/* BB_EXECxx always execs (it's not doing NOFORK/NOEXEC stuff),
* but it may exec busybox and call applet instead of searching PATH.
#define BB_EXECVP(prog,cmd) execvp(prog,cmd)
#define BB_EXECLP(prog,cmd,...) execlp(prog,cmd,__VA_ARGS__)
#endif
-int BB_EXECVP_or_die(char **argv) NORETURN FAST_FUNC;
+void BB_EXECVP_or_die(char **argv) NORETURN FAST_FUNC;
+void exec_prog_or_SHELL(char **argv) NORETURN FAST_FUNC;
-/* xvfork() can't be a _function_, return after vfork mangles stack
+/* xvfork() can't be a _function_, return after vfork in child mangles stack
* in the parent. It must be a macro. */
#define xvfork() \
({ \
#if BB_MMU
pid_t xfork(void) FAST_FUNC;
#endif
+void xvfork_parent_waits_and_exits(void) FAST_FUNC;
/* NOMMU friendy fork+exec: */
pid_t spawn(char **argv) FAST_FUNC;
* if (rc > 0) bb_error_msg("exit code: %d", rc & 0xff);
*/
int wait4pid(pid_t pid) FAST_FUNC;
+int wait_for_exitstatus(pid_t pid) FAST_FUNC;
/* Same as wait4pid(spawn(argv)), but with NOFORK/NOEXEC if configured: */
int spawn_and_wait(char **argv) FAST_FUNC;
/* Does NOT check that applet is NOFORK, just blindly runs it */
DAEMON_DEVNULL_STDIO = 2,
DAEMON_CLOSE_EXTRA_FDS = 4,
DAEMON_ONLY_SANITIZE = 8, /* internal use */
+ DAEMON_DOUBLE_FORK = 16, /* double fork to avoid controlling tty */
};
#if BB_MMU
enum { re_execed = 0 };
# define bb_daemonize(flags) bb_daemonize_or_rexec(flags, bogus)
#else
extern bool re_execed;
+ /* Note: re_exec() and fork_or_rexec() do argv[0][0] |= 0x80 on NOMMU!
+ * _Parent_ needs to undo it if it doesn't want to have argv[0] mangled.
+ */
void re_exec(char **argv) NORETURN FAST_FUNC;
pid_t fork_or_rexec(char **argv) FAST_FUNC;
int BUG_fork_is_unavailable_on_nommu(void) FAST_FUNC;
LOGMODE_BOTH = LOGMODE_SYSLOG + LOGMODE_STDIO,
};
extern const char *msg_eol;
+extern smallint syslog_level;
extern smallint logmode;
-extern int die_sleep;
extern uint8_t xfunc_error_retval;
-extern jmp_buf die_jmp;
+extern void (*die_func)(void);
extern void xfunc_die(void) NORETURN FAST_FUNC;
extern void bb_show_usage(void) NORETURN FAST_FUNC;
extern void bb_error_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2))) FAST_FUNC;
extern void bb_herror_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2))) FAST_FUNC;
extern void bb_perror_nomsg_and_die(void) NORETURN FAST_FUNC;
extern void bb_perror_nomsg(void) FAST_FUNC;
-extern void bb_info_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2))) FAST_FUNC;
extern void bb_verror_msg(const char *s, va_list p, const char *strerr) FAST_FUNC;
+extern void bb_logenv_override(void) FAST_FUNC;
/* We need to export XXX_main from libbusybox
* only if we build "individual" binaries
/* If shell needs them, they exist even if not enabled as applets */
int echo_main(int argc, char** argv) IF_ECHO(MAIN_EXTERNALLY_VISIBLE);
int printf_main(int argc, char **argv) IF_PRINTF(MAIN_EXTERNALLY_VISIBLE);
-int test_main(int argc, char **argv) IF_TEST(MAIN_EXTERNALLY_VISIBLE);
-int kill_main(int argc, char **argv) IF_KILL(MAIN_EXTERNALLY_VISIBLE);
+int test_main(int argc, char **argv)
+#if ENABLE_TEST || ENABLE_TEST1 || ENABLE_TEST2
+ MAIN_EXTERNALLY_VISIBLE
+#endif
+;
+int kill_main(int argc, char **argv)
+#if ENABLE_KILL || ENABLE_KILLALL || ENABLE_KILLALL5
+ MAIN_EXTERNALLY_VISIBLE
+#endif
+;
/* Similar, but used by chgrp, not shell */
int chown_main(int argc, char **argv) IF_CHOWN(MAIN_EXTERNALLY_VISIBLE);
/* Used by ftpd */
/* Networking */
-int create_icmp_socket(void) FAST_FUNC;
-int create_icmp6_socket(void) FAST_FUNC;
-/* interface.c */
/* This structure defines protocol families and their handlers. */
struct aftype {
const char *name;
};
extern smallint interface_opt_a;
int display_interfaces(char *ifname) FAST_FUNC;
+int in_ether(const char *bufp, struct sockaddr *sap) FAST_FUNC;
#if ENABLE_FEATURE_HWIB
int in_ib(const char *bufp, struct sockaddr *sap) FAST_FUNC;
#else
#ifndef BUILD_INDIVIDUAL
extern int find_applet_by_name(const char *name) FAST_FUNC;
-/* Returns only if applet is not found. */
-extern void run_applet_and_exit(const char *name, char **argv) FAST_FUNC;
extern void run_applet_no_and_exit(int a, char **argv) NORETURN FAST_FUNC;
#endif
/* If *devname is not NULL, use that name, otherwise try to find free one,
* malloc and return it in *devname.
* return value: 1: read-only loopdev was setup, 0: rw, < 0: error */
-extern int set_loop(char **devname, const char *file, unsigned long long offset) FAST_FUNC;
+extern int set_loop(char **devname, const char *file, unsigned long long offset, int ro) FAST_FUNC;
/* Like bb_ask below, but asks on stdin with no timeout. */
char *bb_ask_stdin(const char * prompt) FAST_FUNC;
char *bb_ask(const int fd, int timeout, const char * prompt) FAST_FUNC;
int bb_ask_confirmation(void) FAST_FUNC;
-int bb_parse_mode(const char* s, mode_t* theMode) FAST_FUNC;
+/* Returns -1 if input is invalid. current_mode is a base for e.g. "u+rw" */
+int bb_parse_mode(const char* s, unsigned cur_mode) FAST_FUNC;
/*
* Config file parser
PARSE_MIN_DIE = 0x00100000, // die if < min tokens found
// keep a copy of current line
PARSE_KEEP_COPY = 0x00200000 * ENABLE_FEATURE_CROND_D,
-// PARSE_ESCAPE = 0x00400000, // process escape sequences in tokens
+ PARSE_EOL_COMMENTS = 0x00400000, // comments are recognized even if they aren't the first char
// NORMAL is:
// * remove leading and trailing delimiters and collapse
// multiple delimiters into one
// * warn and continue if less than mintokens delimiters found
// * grab everything into last token
- PARSE_NORMAL = PARSE_COLLAPSE | PARSE_TRIM | PARSE_GREEDY,
+ // * comments are recognized even if they aren't the first char
+ PARSE_NORMAL = PARSE_COLLAPSE | PARSE_TRIM | PARSE_GREEDY | PARSE_EOL_COMMENTS,
};
typedef struct parser_t {
FILE *fp;
/* Returns ptr to NUL */
char *bb_simplify_abs_path_inplace(char *path) FAST_FUNC;
+#ifndef LOGIN_FAIL_DELAY
#define LOGIN_FAIL_DELAY 3
+#endif
extern void bb_do_delay(int seconds) FAST_FUNC;
extern void change_identity(const struct passwd *pw) FAST_FUNC;
-extern void run_shell(const char *shell, int loginshell, const char *command, const char **additional_args) NORETURN FAST_FUNC;
+extern void run_shell(const char *shell, int loginshell, const char **args) NORETURN FAST_FUNC;
/* Returns $SHELL, getpwuid(getuid())->pw_shell, or DEFAULT_SHELL.
* Note that getpwuid result might need xstrdup'ing
* if there is a possibility of intervening getpwxxx() calls.
*/
-const char *get_shell_name(void);
+const char *get_shell_name(void) FAST_FUNC;
#if ENABLE_SELINUX
extern void renew_current_security_context(void) FAST_FUNC;
extern void selinux_or_die(void) FAST_FUNC;
-/* systemd support */
-#define SD_LISTEN_FDS_START 3
-int sd_listen_fds(void);
-
-
/* setup_environment:
* if chdir pw->pw_dir: ok: else if to_tmp == 1: goto /tmp else: goto / or die
* if clear_env = 1: cd(pw->pw_dir), clear environment, then set
#define SETUP_ENV_CHANGEENV (1 << 0)
#define SETUP_ENV_CLEARENV (1 << 1)
#define SETUP_ENV_TO_TMP (1 << 2)
-extern void setup_environment(const char *shell, int flags, const struct passwd *pw) FAST_FUNC;
-extern int correct_password(const struct passwd *pw) FAST_FUNC;
+#define SETUP_ENV_NO_CHDIR (1 << 4)
+void setup_environment(const char *shell, int flags, const struct passwd *pw) FAST_FUNC;
+void nuke_str(char *str) FAST_FUNC;
+int check_password(const struct passwd *pw, const char *plaintext) FAST_FUNC;
+int ask_and_check_password_extended(const struct passwd *pw, int timeout, const char *prompt) FAST_FUNC;
+int ask_and_check_password(const struct passwd *pw) FAST_FUNC;
/* Returns a malloced string */
#if !ENABLE_USE_BB_CRYPT
#define pw_encrypt(clear, salt, cleanup) pw_encrypt(clear, salt)
char *xmalloc_ttyname(int fd) FAST_FUNC RETURNS_MALLOC;
/* NB: typically you want to pass fd 0, not 1. Think 'applet | grep something' */
int get_terminal_width_height(int fd, unsigned *width, unsigned *height) FAST_FUNC;
+int get_terminal_width(int fd) FAST_FUNC;
int tcsetattr_stdin_TCSANOW(const struct termios *tp) FAST_FUNC;
* yet doesn't represent any valid Unicode character.
* Also, -1 is reserved for error indication and we don't use it. */
enum {
- KEYCODE_UP = -2,
- KEYCODE_DOWN = -3,
- KEYCODE_RIGHT = -4,
- KEYCODE_LEFT = -5,
- KEYCODE_HOME = -6,
- KEYCODE_END = -7,
- KEYCODE_INSERT = -8,
- KEYCODE_DELETE = -9,
- KEYCODE_PAGEUP = -10,
- KEYCODE_PAGEDOWN = -11,
-
- KEYCODE_CTRL_UP = KEYCODE_UP & ~0x40,
- KEYCODE_CTRL_DOWN = KEYCODE_DOWN & ~0x40,
- KEYCODE_CTRL_RIGHT = KEYCODE_RIGHT & ~0x40,
- KEYCODE_CTRL_LEFT = KEYCODE_LEFT & ~0x40,
+ KEYCODE_UP = -2,
+ KEYCODE_DOWN = -3,
+ KEYCODE_RIGHT = -4,
+ KEYCODE_LEFT = -5,
+ KEYCODE_HOME = -6,
+ KEYCODE_END = -7,
+ KEYCODE_INSERT = -8,
+ KEYCODE_DELETE = -9,
+ KEYCODE_PAGEUP = -10,
+ KEYCODE_PAGEDOWN = -11,
+ KEYCODE_BACKSPACE = -12, /* Used only if Alt/Ctrl/Shifted */
+ KEYCODE_D = -13, /* Used only if Alted */
#if 0
- KEYCODE_FUN1 = -12,
- KEYCODE_FUN2 = -13,
- KEYCODE_FUN3 = -14,
- KEYCODE_FUN4 = -15,
- KEYCODE_FUN5 = -16,
- KEYCODE_FUN6 = -17,
- KEYCODE_FUN7 = -18,
- KEYCODE_FUN8 = -19,
- KEYCODE_FUN9 = -20,
- KEYCODE_FUN10 = -21,
- KEYCODE_FUN11 = -22,
- KEYCODE_FUN12 = -23,
-#endif
+ KEYCODE_FUN1 = ,
+ KEYCODE_FUN2 = ,
+ KEYCODE_FUN3 = ,
+ KEYCODE_FUN4 = ,
+ KEYCODE_FUN5 = ,
+ KEYCODE_FUN6 = ,
+ KEYCODE_FUN7 = ,
+ KEYCODE_FUN8 = ,
+ KEYCODE_FUN9 = ,
+ KEYCODE_FUN10 = ,
+ KEYCODE_FUN11 = ,
+ KEYCODE_FUN12 = ,
+#endif
+ /* ^^^^^ Be sure that last defined value is small enough.
+ * Current read_key() code allows going up to -32 (0xfff..fffe0).
+ * This gives three upper bits in LSB to play with:
+ * KEYCODE_foo values are 0xfff..fffXX, lowest XX bits are: scavvvvv,
+ * s=0 if SHIFT, c=0 if CTRL, a=0 if ALT,
+ * vvvvv bits are the same for same key regardless of "shift bits".
+ */
+ //KEYCODE_SHIFT_... = KEYCODE_... & ~0x80,
+ KEYCODE_CTRL_RIGHT = KEYCODE_RIGHT & ~0x40,
+ KEYCODE_CTRL_LEFT = KEYCODE_LEFT & ~0x40,
+ KEYCODE_ALT_RIGHT = KEYCODE_RIGHT & ~0x20,
+ KEYCODE_ALT_LEFT = KEYCODE_LEFT & ~0x20,
+ KEYCODE_ALT_BACKSPACE = KEYCODE_BACKSPACE & ~0x20,
+ KEYCODE_ALT_D = KEYCODE_D & ~0x20,
+
KEYCODE_CURSOR_POS = -0x100, /* 0xfff..fff00 */
/* How long is the longest ESC sequence we know?
* We want it big enough to be able to contain
/* It's NOT just ENABLEd or disabled. It's a number: */
# if defined CONFIG_FEATURE_EDITING_HISTORY && CONFIG_FEATURE_EDITING_HISTORY > 0
# define MAX_HISTORY (CONFIG_FEATURE_EDITING_HISTORY + 0)
-unsigned size_from_HISTFILESIZE(const char *hp);
+unsigned size_from_HISTFILESIZE(const char *hp) FAST_FUNC;
# else
# define MAX_HISTORY 0
# endif
int cur_history;
int max_history; /* must never be <= 0 */
# if ENABLE_FEATURE_EDITING_SAVEHISTORY
+ /* meaning of this field depends on FEATURE_EDITING_SAVE_ON_EXIT:
+ * if !FEATURE_EDITING_SAVE_ON_EXIT: "how many lines are
+ * in on-disk history"
+ * if FEATURE_EDITING_SAVE_ON_EXIT: "how many in-memory lines are
+ * also in on-disk history (and thus need to be skipped on save)"
+ */
unsigned cnt_history_in_file;
const char *hist_file;
# endif
# endif
} line_input_t;
enum {
- DO_HISTORY = 1 * (MAX_HISTORY > 0),
- SAVE_HISTORY = 2 * (MAX_HISTORY > 0) * ENABLE_FEATURE_EDITING_SAVEHISTORY,
- TAB_COMPLETION = 4 * ENABLE_FEATURE_TAB_COMPLETION,
- USERNAME_COMPLETION = 8 * ENABLE_FEATURE_USERNAME_COMPLETION,
- VI_MODE = 0x10 * ENABLE_FEATURE_EDITING_VI,
- WITH_PATH_LOOKUP = 0x20,
- FOR_SHELL = DO_HISTORY | SAVE_HISTORY | TAB_COMPLETION | USERNAME_COMPLETION,
+ DO_HISTORY = 1 * (MAX_HISTORY > 0),
+ TAB_COMPLETION = 2 * ENABLE_FEATURE_TAB_COMPLETION,
+ USERNAME_COMPLETION = 4 * ENABLE_FEATURE_USERNAME_COMPLETION,
+ VI_MODE = 8 * ENABLE_FEATURE_EDITING_VI,
+ WITH_PATH_LOOKUP = 0x10,
+ FOR_SHELL = DO_HISTORY | TAB_COMPLETION | USERNAME_COMPLETION,
};
line_input_t *new_line_input_t(int flags) FAST_FUNC;
/* So far static: void free_line_input_t(line_input_t *n) FAST_FUNC; */
* >0 length of input string, including terminating '\n'
*/
int read_line_input(line_input_t *st, const char *prompt, char *command, int maxsize, int timeout) FAST_FUNC;
+void show_history(const line_input_t *st) FAST_FUNC;
+# if ENABLE_FEATURE_EDITING_SAVE_ON_EXIT
+void save_history(line_input_t *st);
+# endif
#else
#define MAX_HISTORY 0
int read_line_input(const char* prompt, char* command, int maxsize) FAST_FUNC;
procps_read_smaps(pid, total)
#endif
int FAST_FUNC procps_read_smaps(pid_t pid, struct smaprec *total,
- void (*cb)(struct smaprec *, void *), void *data);
+ void (*cb)(struct smaprec *, void *), void *data);
typedef struct procps_status_t {
DIR *dir;
unsigned get_cpu_count(void) FAST_FUNC;
-extern const char bb_uuenc_tbl_base64[];
-extern const char bb_uuenc_tbl_std[];
+/* Use strict=1 if you process input from untrusted source:
+ * it will return NULL on invalid %xx (bad hex chars)
+ * and str + 1 if decoded char is / or NUL.
+ * In non-strict mode, it always succeeds (returns str),
+ * and also it additionally decoded '+' to space.
+ */
+char *percent_decode_in_place(char *str, int strict) FAST_FUNC;
+
+
+extern const char bb_uuenc_tbl_base64[] ALIGN1;
+extern const char bb_uuenc_tbl_std[] ALIGN1;
void bb_uuencode(char *store, const void *s, int length, const char *tbl) FAST_FUNC;
enum {
BASE64_FLAG_UU_STOP = 0x100,
/* Sign-extends to a value which never matches fgetc result: */
BASE64_FLAG_NO_STOP_CHAR = 0x80,
};
-void FAST_FUNC read_base64(FILE *src_stream, FILE *dst_stream, int flags);
+const char *decode_base64(char **pp_dst, const char *src) FAST_FUNC;
+void read_base64(FILE *src_stream, FILE *dst_stream, int flags) FAST_FUNC;
typedef struct md5_ctx_t {
uint8_t wbuffer[64]; /* always correctly aligned for uint64_t */
uint64_t hash[8];
uint8_t wbuffer[128]; /* always correctly aligned for uint64_t */
} sha512_ctx_t;
+typedef struct sha3_ctx_t {
+ uint64_t state[25];
+ unsigned bytes_queued;
+ unsigned input_block_bytes;
+} sha3_ctx_t;
void md5_begin(md5_ctx_t *ctx) FAST_FUNC;
-void md5_hash(md5_ctx_t *ctx, const void *data, size_t length) FAST_FUNC;
+void md5_hash(md5_ctx_t *ctx, const void *buffer, size_t len) FAST_FUNC;
void md5_end(md5_ctx_t *ctx, void *resbuf) FAST_FUNC;
void sha1_begin(sha1_ctx_t *ctx) FAST_FUNC;
#define sha1_hash md5_hash
void sha512_begin(sha512_ctx_t *ctx) FAST_FUNC;
void sha512_hash(sha512_ctx_t *ctx, const void *buffer, size_t len) FAST_FUNC;
void sha512_end(sha512_ctx_t *ctx, void *resbuf) FAST_FUNC;
+void sha3_begin(sha3_ctx_t *ctx) FAST_FUNC;
+void sha3_hash(sha3_ctx_t *ctx, const void *buffer, size_t len) FAST_FUNC;
+void sha3_end(sha3_ctx_t *ctx, void *resbuf) FAST_FUNC;
extern uint32_t *global_crc32_table;
uint32_t *crc32_filltable(uint32_t *tbl256, int endian) FAST_FUNC;
uoff_t transferred,
uoff_t totalsize) FAST_FUNC;
+unsigned ubi_devnum_from_devname(const char *str) FAST_FUNC;
+int ubi_get_volid_by_name(unsigned ubi_devnum, const char *vol_name) FAST_FUNC;
+
extern const char *applet_name;
* Therefore now we use #defines.
*/
/* "BusyBox vN.N.N (timestamp or extra_version)" */
-extern const char bb_banner[];
-extern const char bb_msg_memory_exhausted[];
-extern const char bb_msg_invalid_date[];
+extern const char bb_banner[] ALIGN1;
+extern const char bb_msg_memory_exhausted[] ALIGN1;
+extern const char bb_msg_invalid_date[] ALIGN1;
#define bb_msg_read_error "read error"
#define bb_msg_write_error "write error"
-extern const char bb_msg_unknown[];
-extern const char bb_msg_can_not_create_raw_socket[];
-extern const char bb_msg_perm_denied_are_you_root[];
-extern const char bb_msg_you_must_be_root[];
-extern const char bb_msg_requires_arg[];
-extern const char bb_msg_invalid_arg[];
-extern const char bb_msg_standard_input[];
-extern const char bb_msg_standard_output[];
+extern const char bb_msg_unknown[] ALIGN1;
+extern const char bb_msg_can_not_create_raw_socket[] ALIGN1;
+extern const char bb_msg_perm_denied_are_you_root[] ALIGN1;
+extern const char bb_msg_you_must_be_root[] ALIGN1;
+extern const char bb_msg_requires_arg[] ALIGN1;
+extern const char bb_msg_invalid_arg_to[] ALIGN1;
+extern const char bb_msg_standard_input[] ALIGN1;
+extern const char bb_msg_standard_output[] ALIGN1;
/* NB: (bb_hexdigits_upcase[i] | 0x20) -> lowercase hex digit */
-extern const char bb_hexdigits_upcase[];
+extern const char bb_hexdigits_upcase[] ALIGN1;
-extern const char bb_path_wtmp_file[];
+extern const char bb_path_wtmp_file[] ALIGN1;
/* Busybox mount uses either /proc/mounts or /etc/mtab to
* get the list of currently mounted filesystems */
#define bb_path_motd_file "/etc/motd"
#define bb_dev_null "/dev/null"
-extern const char bb_busybox_exec_path[];
+extern const char bb_busybox_exec_path[] ALIGN1;
/* util-linux manpage says /sbin:/bin:/usr/sbin:/usr/bin,
* but I want to save a few bytes here */
-extern const char bb_PATH_root_path[]; /* "PATH=/sbin:/usr/sbin:/bin:/usr/bin" */
+extern const char bb_PATH_root_path[] ALIGN1; /* "PATH=/sbin:/usr/sbin:/bin:/usr/bin" */
#define bb_default_root_path (bb_PATH_root_path + sizeof("PATH"))
#define bb_default_path (bb_PATH_root_path + sizeof("PATH=/sbin:/usr/sbin"))
extern const int const_int_0;
-extern const int const_int_1;
-
+//extern const int const_int_1;
-/* Providing hard guarantee on minimum size (think of BUFSIZ == 128) */
-enum { COMMON_BUFSIZE = (BUFSIZ >= 256*sizeof(void*) ? BUFSIZ+1 : 256*sizeof(void*)) };
-extern char bb_common_bufsiz1[COMMON_BUFSIZE];
/* This struct is deliberately not defined. */
/* See docs/keep_data_small.txt */
struct globals;
(*(struct globals**)&ptr_to_globals) = (void*)(x); \
barrier(); \
} while (0)
+#define FREE_PTR_TO_GLOBALS() do { \
+ if (ENABLE_FEATURE_CLEAN_UP) { \
+ free(ptr_to_globals); \
+ } \
+} while (0)
/* You can change LIBBB_DEFAULT_LOGIN_SHELL, but don't use it,
* use bb_default_login_shell and following defines.
* If you change LIBBB_DEFAULT_LOGIN_SHELL,
* don't forget to change increment constant. */
#define LIBBB_DEFAULT_LOGIN_SHELL "-/bin/sh"
-extern const char bb_default_login_shell[];
+extern const char bb_default_login_shell[] ALIGN1;
/* "/bin/sh" */
#define DEFAULT_SHELL (bb_default_login_shell+1)
/* "sh" */
# define VC_4 "/dev/vc/4"
# define VC_5 "/dev/vc/5"
# define VC_FORMAT "/dev/vc/%d"
-# define LOOP_FORMAT "/dev/loop/%d"
+# define LOOP_FORMAT "/dev/loop/%u"
# define LOOP_NAMESIZE (sizeof("/dev/loop/") + sizeof(int)*3 + 1)
# define LOOP_NAME "/dev/loop/"
# define FB_0 "/dev/fb/0"
# define VC_4 "/dev/tty4"
# define VC_5 "/dev/tty5"
# define VC_FORMAT "/dev/tty%d"
-# define LOOP_FORMAT "/dev/loop%d"
+# define LOOP_FORMAT "/dev/loop%u"
# define LOOP_NAMESIZE (sizeof("/dev/loop") + sizeof(int)*3 + 1)
# define LOOP_NAME "/dev/loop"
# define FB_0 "/dev/fb0"
#define ARRAY_SIZE(x) ((unsigned)(sizeof(x) / sizeof((x)[0])))
+#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
/* We redefine ctype macros. Unicode-correct handling of char types
#define isprint_asciionly(a) ((unsigned)((a) - 0x20) <= 0x7e - 0x20)
+/* Simple unit-testing framework */
+
+typedef void (*bbunit_testfunc)(void);
+
+struct bbunit_listelem {
+ const char* name;
+ bbunit_testfunc testfunc;
+};
+
+void bbunit_registertest(struct bbunit_listelem* test);
+void bbunit_settestfailed(void);
+
+#define BBUNIT_DEFINE_TEST(NAME) \
+ static void bbunit_##NAME##_test(void); \
+ static struct bbunit_listelem bbunit_##NAME##_elem = { \
+ .name = #NAME, \
+ .testfunc = bbunit_##NAME##_test, \
+ }; \
+ static void INIT_FUNC bbunit_##NAME##_register(void) \
+ { \
+ bbunit_registertest(&bbunit_##NAME##_elem); \
+ } \
+ static void bbunit_##NAME##_test(void)
+
+/*
+ * Both 'goto bbunit_end' and 'break' are here only to get rid
+ * of compiler warnings.
+ */
+#define BBUNIT_ENDTEST \
+ do { \
+ goto bbunit_end; \
+ bbunit_end: \
+ break; \
+ } while (0)
+
+#define BBUNIT_PRINTASSERTFAIL \
+ do { \
+ bb_error_msg( \
+ "[ERROR] Assertion failed in file %s, line %d", \
+ __FILE__, __LINE__); \
+ } while (0)
+
+#define BBUNIT_ASSERTION_FAILED \
+ do { \
+ bbunit_settestfailed(); \
+ goto bbunit_end; \
+ } while (0)
+
+/*
+ * Assertions.
+ * For now we only offer assertions which cause tests to fail
+ * immediately. In the future 'expects' might be added too -
+ * similar to those offered by the gtest framework.
+ */
+#define BBUNIT_ASSERT_EQ(EXPECTED, ACTUAL) \
+ do { \
+ if ((EXPECTED) != (ACTUAL)) { \
+ BBUNIT_PRINTASSERTFAIL; \
+ bb_error_msg("[ERROR] '%s' isn't equal to '%s'", \
+ #EXPECTED, #ACTUAL); \
+ BBUNIT_ASSERTION_FAILED; \
+ } \
+ } while (0)
+
+#define BBUNIT_ASSERT_NOTEQ(EXPECTED, ACTUAL) \
+ do { \
+ if ((EXPECTED) == (ACTUAL)) { \
+ BBUNIT_PRINTASSERTFAIL; \
+ bb_error_msg("[ERROR] '%s' is equal to '%s'", \
+ #EXPECTED, #ACTUAL); \
+ BBUNIT_ASSERTION_FAILED; \
+ } \
+ } while (0)
+
+#define BBUNIT_ASSERT_NOTNULL(PTR) \
+ do { \
+ if ((PTR) == NULL) { \
+ BBUNIT_PRINTASSERTFAIL; \
+ bb_error_msg("[ERROR] '%s' is NULL!", #PTR); \
+ BBUNIT_ASSERTION_FAILED; \
+ } \
+ } while (0)
+
+#define BBUNIT_ASSERT_NULL(PTR) \
+ do { \
+ if ((PTR) != NULL) { \
+ BBUNIT_PRINTASSERTFAIL; \
+ bb_error_msg("[ERROR] '%s' is not NULL!", #PTR); \
+ BBUNIT_ASSERTION_FAILED; \
+ } \
+ } while (0)
+
+#define BBUNIT_ASSERT_FALSE(STATEMENT) \
+ do { \
+ if ((STATEMENT)) { \
+ BBUNIT_PRINTASSERTFAIL; \
+ bb_error_msg("[ERROR] Statement '%s' evaluated to true!", \
+ #STATEMENT); \
+ BBUNIT_ASSERTION_FAILED; \
+ } \
+ } while (0)
+
+#define BBUNIT_ASSERT_TRUE(STATEMENT) \
+ do { \
+ if (!(STATEMENT)) { \
+ BBUNIT_PRINTASSERTFAIL; \
+ bb_error_msg("[ERROR] Statement '%s' evaluated to false!", \
+ #STATEMENT); \
+ BBUNIT_ASSERTION_FAILED; \
+ } \
+ } while (0)
+
+#define BBUNIT_ASSERT_STREQ(STR1, STR2) \
+ do { \
+ if (strcmp(STR1, STR2) != 0) { \
+ BBUNIT_PRINTASSERTFAIL; \
+ bb_error_msg("[ERROR] Strings '%s' and '%s' " \
+ "are not the same", STR1, STR2); \
+ BBUNIT_ASSERTION_FAILED; \
+ } \
+ } while (0)
+
+#define BBUNIT_ASSERT_STRNOTEQ(STR1, STR2) \
+ do { \
+ if (strcmp(STR1, STR2) == 0) { \
+ BBUNIT_PRINTASSERTFAIL; \
+ bb_error_msg("[ERROR] Strings '%s' and '%s' " \
+ "are the same, but were " \
+ "expected to differ", STR1, STR2); \
+ BBUNIT_ASSERTION_FAILED; \
+ } \
+ } while (0)
+
+
POP_SAVED_FUNCTION_VISIBILITY
#endif