#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 <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>
#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>
# 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)
#ifndef HAVE_XTABS
# define XTABS TAB3
#endif
+/*
+ * Use '%m' to append error string on platforms that support it,
+ * '%s' and strerror() on those that don't.
+ */
+#ifdef HAVE_PRINTF_PERCENTM
+# define STRERROR_FMT "%m"
+# define STRERROR_ERRNO /*nothing*/
+#else
+# define STRERROR_FMT "%s"
+# define STRERROR_ERRNO ,strerror(errno)
+#endif
/* Some libc's forget to declare these, do it ourself */
extern char **environ;
-#if defined(__GLIBC__) && __GLIBC__ < 2
-int vdprintf(int d, const char *format, va_list ap);
-#endif
/* klogctl is in libc's klog.h, but we cheat and not #include that */
int klogctl(int type, char *b, int len);
#ifndef PATH_MAX
/* 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
uint64_t bb_bswap_64(uint64_t x) FAST_FUNC;
#endif
+unsigned long FAST_FUNC isqrt(unsigned long long N);
+
unsigned long long monotonic_ns(void) FAST_FUNC;
unsigned long long monotonic_us(void) FAST_FUNC;
unsigned long long monotonic_ms(void) FAST_FUNC;
unsigned monotonic_sec(void) FAST_FUNC;
extern void chomp(char *s) FAST_FUNC;
-extern void trim(char *s) FAST_FUNC;
+extern char *trim(char *s) FAST_FUNC;
extern char *skip_whitespace(const char *) FAST_FUNC;
extern char *skip_non_whitespace(const char *) FAST_FUNC;
extern char *skip_dev_pfx(const char *tty_name) FAST_FUNC;
extern char *strrstr(const char *haystack, const char *needle) FAST_FUNC;
+/* dmalloc will redefine these to it's own implementation. It is safe
+ * to have the prototypes here unconditionally. */
+void *malloc_or_warn(size_t size) FAST_FUNC RETURNS_MALLOC;
+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 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.
+ * 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;
+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;
+
+
//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) FAST_FUNC;
-enum { /* DO NOT CHANGE THESE VALUES! cp.c, mv.c, install.c depend on them. */
+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 << 9, /* -c */
- FILEUTILS_SET_SECURITY_CONTEXT = 1 << 10,
+ FILEUTILS_PRESERVE_SECURITY_CONTEXT = 1 << 14, /* -c */
#endif
- FILEUTILS_IGNORE_CHMOD_ERR = 1 << 11,
+ 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_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).
/* 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 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 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 */
// + inet_common.c has additional IPv4-only stuff
+#define TLS_MAX_MAC_SIZE 32
+#define TLS_MAX_KEY_SIZE 32
+struct tls_handshake_data; /* opaque */
+typedef struct tls_state {
+ int ofd;
+ int ifd;
+
+ unsigned min_encrypted_len_on_read;
+ uint16_t cipher_id;
+ uint8_t encrypt_on_write;
+ unsigned MAC_size;
+ unsigned key_size;
+
+ uint8_t *outbuf;
+ int outbuf_size;
+
+ int inbuf_size;
+ int ofs_to_buffered;
+ int buffered_size;
+ uint8_t *inbuf;
+
+ struct tls_handshake_data *hsd;
+
+ // RFC 5246
+ // sequence number
+ // Each connection state contains a sequence number, which is
+ // maintained separately for read and write states. The sequence
+ // number MUST be set to zero whenever a connection state is made the
+ // active state. Sequence numbers are of type uint64 and may not
+ // exceed 2^64-1.
+ /*uint64_t read_seq64_be;*/
+ uint64_t write_seq64_be;
+
+ uint8_t *client_write_key;
+ uint8_t *server_write_key;
+ uint8_t client_write_MAC_key[TLS_MAX_MAC_SIZE];
+ uint8_t server_write_MAC_k__[TLS_MAX_MAC_SIZE];
+ uint8_t client_write_k__[TLS_MAX_KEY_SIZE];
+ uint8_t server_write_k__[TLS_MAX_KEY_SIZE];
+} tls_state_t;
+
+static inline tls_state_t *new_tls_state(void)
+{
+ tls_state_t *tls = xzalloc(sizeof(*tls));
+ return tls;
+}
+void tls_handshake(tls_state_t *tls, const char *sni) FAST_FUNC;
+void tls_run_copy_loop(tls_state_t *tls) FAST_FUNC;
+
+
void socket_want_pktinfo(int fd) FAST_FUNC;
ssize_t send_to_from(int fd, void *buf, size_t len, int flags,
const struct sockaddr *to,
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;
+/* 0 if argv[0] is NULL: */
+unsigned string_array_len(char **argv) FAST_FUNC;
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
};
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 *malloc_or_warn(size_t size) FAST_FUNC RETURNS_MALLOC;
-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 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.
- * 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;
/* Never returns NULL */
extern void *xmalloc_xopen_read_close(const char *filename, size_t *maxsz_p) FAST_FUNC RETURNS_MALLOC;
+#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
+/* 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 \
#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_detected) FAST_FUNC;
+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) open((fname), O_RDONLY);
+# 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 void *xmalloc_open_zipped_read_close(const char *fname, size_t *maxsz_p) FAST_FUNC RETURNS_MALLOC;
+/* lzma has no signature, need a little helper. NB: exist only for ENABLE_FEATURE_SEAMLESS_LZMA=y */
+void setup_lzma_on_fd(int fd) FAST_FUNC;
extern ssize_t safe_write(int fd, const void *buf, size_t count) FAST_FUNC;
// NB: will return short write on error, not -1,
};
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)
+extern const struct suffix_mult kmg_i_suffixes[];
#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;
#else
#define die_if_bad_username(name) ((void)(name))
#endif
+/*
+ * Returns (-1) terminated malloced result of getgroups().
+ * Reallocs group_array (useful for repeated calls).
+ * ngroups is an initial size of array. It is rounded up to 32 for realloc.
+ * ngroups is updated on return.
+ * ngroups can be NULL: bb_getgroups(NULL, NULL) is valid usage.
+ * Dies on errors (on Linux, only xrealloc can cause this, not internal getgroups call).
+ */
+gid_t *bb_getgroups(int *ngroups, gid_t *group_array) 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;
+/************************************************************************/
+/* spawn_and_wait/run_nofork_applet/run_applet_no_and_exit need to work */
+/* carefully together to reinit some global state while not disturbing */
+/* other. Be careful if you change them. Consult docs/nofork_noexec.txt */
+/************************************************************************/
/* 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 */
int run_nofork_applet(int applet_no, char **argv) FAST_FUNC;
+void run_noexec_applet_and_exit(int a, const char *name, char **argv) NORETURN FAST_FUNC;
+#ifndef BUILD_INDIVIDUAL
+int find_applet_by_name(const char *name) FAST_FUNC;
+void run_applet_no_and_exit(int a, const char *name, char **argv) NORETURN FAST_FUNC;
+#endif
+#if defined(__linux__)
+void set_task_comm(const char *comm) FAST_FUNC;
+#else
+# define set_task_comm(name) ((void)0)
+#endif
/* Helpers for daemonization.
*
#endif
void bb_daemonize_or_rexec(int flags, char **argv) FAST_FUNC;
void bb_sanitize_stdio(void) FAST_FUNC;
+#define bb_daemon_helper(arg) bb_daemonize_or_rexec((arg) | DAEMON_ONLY_SANITIZE, NULL)
/* Clear dangerous stuff, set PATH. Return 1 if was run by different user. */
int sanitize_env_if_suid(void) FAST_FUNC;
+/* For top, ps. Some argv[i] are replaced by malloced "-opt" strings */
+void make_all_argv_opts(char **argv) FAST_FUNC;
char* single_argv(char **argv) FAST_FUNC;
-extern const char *const bb_argv_dash[]; /* "-", NULL */
-extern const char *opt_complementary;
-#if ENABLE_LONG_OPTS || ENABLE_FEATURE_GETOPT_LONG
-#define No_argument "\0"
-#define Required_argument "\001"
-#define Optional_argument "\002"
-extern const char *applet_long_options;
-#endif
+extern const char *const bb_argv_dash[]; /* { "-", NULL } */
extern uint32_t option_mask32;
-extern uint32_t getopt32(char **argv, const char *applet_opts, ...) FAST_FUNC;
+uint32_t getopt32(char **argv, const char *applet_opts, ...) FAST_FUNC;
+# define No_argument "\0"
+# define Required_argument "\001"
+# define Optional_argument "\002"
+#if ENABLE_LONG_OPTS
+uint32_t getopt32long(char **argv, const char *optstring, const char *longopts, ...) FAST_FUNC;
+#else
+#define getopt32long(argv,optstring,longopts,...) \
+ getopt32(argv,optstring,##__VA_ARGS__)
+#endif
+/* BSD-derived getopt() functions require that optind be set to 1 in
+ * order to reset getopt() state. This used to be generally accepted
+ * way of resetting getopt(). However, glibc's getopt()
+ * has additional getopt() state beyond optind (specifically, glibc
+ * extensions such as '+' and '-' at the start of the string), and requires
+ * that optind be set to zero to reset its state. BSD-derived versions
+ * of getopt() misbehaved if optind is set to 0 in order to reset getopt(),
+ * and glibc's getopt() used to coredump if optind is set 1 in order
+ * to reset getopt().
+ * Then BSD introduced additional variable "optreset" which should be
+ * set to 1 in order to reset getopt(). Sigh. Standards, anyone?
+ *
+ * By ~2008, OpenBSD 3.4 was changed to survive glibc-like optind = 0
+ * (to interpret it as if optreset was set).
+ */
+#if 1 /*def __GLIBC__*/
+#define GETOPT_RESET() (optind = 0)
+#else /* BSD style */
+#define GETOPT_RESET() (optind = 1)
+#endif
/* Having next pointer as a first member allows easy creation
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
/* Applets which are useful from another applets */
-int bb_cat(char** argv);
+int bb_cat(char** argv) FAST_FUNC;
/* 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 */
void bb_displayroutes(int noresolve, int netstatfmt) FAST_FUNC;
#endif
+struct number_state {
+ unsigned width;
+ unsigned start;
+ unsigned inc;
+ const char *sep;
+ const char *empty_str;
+ smallint all, nonempty;
+};
+void print_numbered_lines(struct number_state *ns, const char *filename) FAST_FUNC;
+
/* Networking */
/* This structure defines protocol families and their handlers. */
const struct hwtype *get_hwntype(int type) FAST_FUNC;
-#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
-
+extern int fstype_matches(const char *fstype, const char *comma_list) FAST_FUNC;
#ifdef HAVE_MNTENT_H
-extern int match_fstype(const struct mntent *mt, const char *fstypes) FAST_FUNC;
extern struct mntent *find_mount_point(const char *name, int subdir_too) FAST_FUNC;
#endif
extern void erase_mtab(const char * name) FAST_FUNC;
extern char *query_loop(const char *device) FAST_FUNC;
extern int del_loop(const char *device) FAST_FUNC;
-/* If *devname is not NULL, use that name, otherwise try to find free one,
+/*
+ * 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, int ro) FAST_FUNC;
+ * return value is the opened fd to the loop device, or < on error
+ */
+extern int set_loop(char **devname, const char *file, unsigned long long offset, unsigned flags) FAST_FUNC;
+/* These constants match linux/loop.h (without BB_ prefix): */
+#define BB_LO_FLAGS_READ_ONLY 1
+#define BB_LO_FLAGS_AUTOCLEAR 4
/* 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
// keep a copy of current line
PARSE_KEEP_COPY = 0x00200000 * ENABLE_FEATURE_CROND_D,
PARSE_EOL_COMMENTS = 0x00400000, // comments are recognized even if they aren't the first char
+ PARSE_ALT_COMMENTS = 0x00800000, // delim[0] and delim[1] are two different allowed comment chars
+ // (so far, delim[0] will only work as comment char for full-line comment)
+ // (IOW: it works as if PARSE_EOL_COMMENTS is not set. sysctl applet is okay with this)
+ PARSE_WS_COMMENTS = 0x01000000, // comments are recognized even if there is whitespace before
+ // ("line start><space><tab><space>#comment" is also comment, not only "line start>#comment")
// NORMAL is:
// * remove leading and trailing delimiters and collapse
// multiple delimiters into one
/* 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
*/
const char *get_shell_name(void) FAST_FUNC;
+unsigned cap_name_to_number(const char *cap) FAST_FUNC;
+void printf_cap(const char *pfx, unsigned cap_no) FAST_FUNC;
+void drop_capability(int cap_ordinal) FAST_FUNC;
+/* Structures inside "struct caps" are Linux-specific and libcap-specific: */
+#define DEFINE_STRUCT_CAPS \
+struct caps { \
+ struct __user_cap_header_struct header; \
+ unsigned u32s; \
+ struct __user_cap_data_struct data[2]; \
+}
+void getcaps(void *caps) FAST_FUNC;
+
+unsigned cap_name_to_number(const char *name) FAST_FUNC;
+void printf_cap(const char *pfx, unsigned cap_no) FAST_FUNC;
+
#if ENABLE_SELINUX
extern void renew_current_security_context(void) FAST_FUNC;
extern void set_current_security_context(security_context_t sid) 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
* HOME=pw->pw_dir
* SHELL=shell
* else does nothing
+ *
+ * NB: CHANGEENV and CLEARENV use setenv() - this leaks memory!
+ * If setup_environment() is used is vforked child, this leaks memory _in parent too_!
*/
#define SETUP_ENV_CHANGEENV (1 << 0)
#define SETUP_ENV_CLEARENV (1 << 1)
#define SETUP_ENV_TO_TMP (1 << 2)
#define SETUP_ENV_NO_CHDIR (1 << 4)
-extern void setup_environment(const char *shell, int flags, const struct passwd *pw) FAST_FUNC;
-extern int ask_and_check_password_extended(const struct passwd *pw, int timeout, const char *prompt) FAST_FUNC;
-extern int ask_and_check_password(const struct passwd *pw) FAST_FUNC;
+void setup_environment(const char *shell, int flags, const struct passwd *pw) FAST_FUNC;
+void nuke_str(char *str) FAST_FUNC;
+#if ENABLE_FEATURE_SECURETTY && !ENABLE_PAM
+int is_tty_secure(const char *short_tty) FAST_FUNC;
+#else
+static ALWAYS_INLINE int is_tty_secure(const char *short_tty UNUSED_PARAM) { return 1; }
+#endif
+#define CHECKPASS_PW_HAS_EMPTY_PASSWORD 2
+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;
+#define TERMIOS_CLEAR_ISIG (1 << 0)
+#define TERMIOS_RAW_CRNL (1 << 1)
+#define TERMIOS_RAW_INPUT (1 << 2)
+int get_termios_and_make_raw(int fd, struct termios *newterm, struct termios *oldterm, int flags) FAST_FUNC;
+int set_termios_to_raw(int fd, struct termios *oldterm, int flags) FAST_FUNC;
/* NB: "unsigned request" is crucial! "int request" will break some arches! */
int ioctl_or_perror(int fd, unsigned request, void *argp, const char *fmt,...) __attribute__ ((format (printf, 4, 5))) 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,
- // -12 is reserved for Alt/Ctrl/Shift-TAB
+ 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 = -13,
- KEYCODE_FUN2 = -14,
- KEYCODE_FUN3 = -15,
- KEYCODE_FUN4 = -16,
- KEYCODE_FUN5 = -17,
- KEYCODE_FUN6 = -18,
- KEYCODE_FUN7 = -19,
- KEYCODE_FUN8 = -20,
- KEYCODE_FUN9 = -21,
- KEYCODE_FUN10 = -22,
- KEYCODE_FUN11 = -23,
- KEYCODE_FUN12 = -24,
-#endif
- /* Be sure that last defined value is small enough
- * to not interfere with Alt/Ctrl/Shift bits.
- * So far we do not exceed -31 (0xfff..fffe1),
- * which gives us three upper bits in LSB to play with.
+ 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_TAB = (-12) & ~0x80,
- //KEYCODE_SHIFT_... = KEYCODE_... & ~0x80,
- //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_ALT_UP = KEYCODE_UP & ~0x20,
- //KEYCODE_ALT_DOWN = KEYCODE_DOWN & ~0x20,
- KEYCODE_ALT_RIGHT = KEYCODE_RIGHT & ~0x20,
- KEYCODE_ALT_LEFT = KEYCODE_LEFT & ~0x20,
+ //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?
* buffer[0] is used as a counter of buffered chars and must be 0
* on first call.
* timeout:
- * -2: do not poll for input;
- * -1: poll(-1) (i.e. block);
- * >=0: poll for TIMEOUT milliseconds, return -1/EAGAIN on timeout
+ * -2: do not poll(-1) for input - read() it, return on EAGAIN at once
+ * -1: poll(-1) (i.e. block even on NONBLOCKed fd)
+ * >=0: poll() for TIMEOUT milliseconds, return -1/EAGAIN on timeout
*/
int64_t read_key(int fd, char *buffer, int timeout) FAST_FUNC;
void read_key_ungets(char *buffer, const char *str, unsigned len) FAST_FUNC;
# endif
typedef struct line_input_t {
int flags;
+ int timeout;
const char *path_lookup;
# if MAX_HISTORY
int cnt_history;
* 0 on ctrl-C (the line entered is still returned in 'command'),
* >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;
+int read_line_input(line_input_t *st, const char *prompt, char *command, int maxsize) 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);
#else
#define MAX_HISTORY 0
int read_line_input(const char* prompt, char* command, int maxsize) FAST_FUNC;
-#define read_line_input(state, prompt, command, maxsize, timeout) \
+#define read_line_input(state, prompt, command, maxsize) \
read_line_input(prompt, command, maxsize)
#endif
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 *buffer, size_t len) FAST_FUNC;
-void md5_end(md5_ctx_t *ctx, void *resbuf) FAST_FUNC;
+unsigned 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 sha1_end(sha1_ctx_t *ctx, void *resbuf) FAST_FUNC;
+unsigned sha1_end(sha1_ctx_t *ctx, void *resbuf) FAST_FUNC;
void sha256_begin(sha256_ctx_t *ctx) FAST_FUNC;
#define sha256_hash md5_hash
#define sha256_end sha1_end
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;
+unsigned 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;
+unsigned sha3_end(sha3_ctx_t *ctx, void *resbuf) FAST_FUNC;
+/* TLS benefits from knowing that sha1 and sha256 share these. Give them "agnostic" names too */
+typedef struct md5_ctx_t md5sha_ctx_t;
+#define md5sha_hash md5_hash
+#define sha_end sha1_end
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;
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[] 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;
#define bb_dev_null "/dev/null"
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[] ALIGN1; /* "PATH=/sbin:/usr/sbin:/bin:/usr/bin" */
+/* allow default system PATH to be extended via CFLAGS */
+#ifndef BB_ADDITIONAL_PATH
+#define BB_ADDITIONAL_PATH ""
+#endif
+#define BB_PATH_ROOT_PATH "PATH=/sbin:/usr/sbin:/bin:/usr/bin" BB_ADDITIONAL_PATH
+extern const char bb_PATH_root_path[] ALIGN1; /* BB_PATH_ROOT_PATH */
#define bb_default_root_path (bb_PATH_root_path + sizeof("PATH"))
+/* util-linux manpage says /sbin:/bin:/usr/sbin:/usr/bin,
+ * but I want to save a few bytes here:
+ */
#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;
#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
projects / oweals / busybox.git / blobdiff