1
2
3
4
5
6struct ptr_len {
7 void *ptr;
8 long len;
9};
10
11struct str_len {
12 char *str;
13 long len;
14};
15
16
17
18
19
20
21
22struct string_list {
23 struct string_list *next;
24 char str[0];
25};
26
27struct arg_list {
28 struct arg_list *next;
29 char *arg;
30};
31
32struct double_list {
33 struct double_list *next, *prev;
34 char *data;
35};
36
37struct num_cache {
38 struct num_cache *next;
39 long long num;
40 char data[];
41};
42
43void llist_free_arg(void *node);
44void llist_free_double(void *node);
45void llist_traverse(void *list, void (*using)(void *node));
46void *llist_pop(void *list);
47void *dlist_pop(void *list);
48void *dlist_lpop(void *list);
49void dlist_add_nomalloc(struct double_list **list, struct double_list *new);
50struct double_list *dlist_add(struct double_list **list, char *data);
51void *dlist_terminate(void *list);
52struct num_cache *get_num_cache(struct num_cache *cache, long long num);
53struct num_cache *add_num_cache(struct num_cache **cache, long long num,
54 void *data, int len);
55
56
57#define FLAGS_NODASH (1LL<<63)
58void get_optflags(void);
59
60
61
62
63
64
65
66#define DIRTREE_SAVE 1
67
68#define DIRTREE_RECURSE 2
69
70
71#define DIRTREE_COMEAGAIN 4
72
73#define DIRTREE_SYMFOLLOW 8
74
75#define DIRTREE_SHUTUP 16
76
77#define DIRTREE_BREADTH 32
78
79#define DIRTREE_PROC 64
80
81#define DIRTREE_STATLESS 128
82
83#define DIRTREE_ABORT 256
84
85#define DIRTREE_ABORTVAL ((struct dirtree *)1)
86
87struct dirtree {
88 struct dirtree *next, *parent, *child;
89 long extra;
90 char *symlink;
91 int dirfd;
92 struct stat st;
93 char again;
94 char name[];
95};
96
97int isdotdot(char *name);
98struct dirtree *dirtree_add_node(struct dirtree *p, char *name, int flags);
99char *dirtree_path(struct dirtree *node, int *plen);
100int dirtree_notdotdot(struct dirtree *catch);
101int dirtree_parentfd(struct dirtree *node);
102int dirtree_recurse(struct dirtree *node, int (*callback)(struct dirtree *node),
103 int dirfd, int symfollow);
104struct dirtree *dirtree_flagread(char *path, int flags,
105 int (*callback)(struct dirtree *node));
106struct dirtree *dirtree_read(char *path, int (*callback)(struct dirtree *node));
107
108
109
110void show_help(FILE *out, int full);
111
112
113
114
115#define WARN_ONLY (1<<31)
116
117
118void xstrncpy(char *dest, char *src, size_t size);
119void xstrncat(char *dest, char *src, size_t size);
120void _xexit(void) __attribute__((__noreturn__));
121void xexit(void) __attribute__((__noreturn__));
122void *xmmap(void *addr, size_t length, int prot, int flags, int fd, off_t off);
123void *xmalloc(size_t size);
124void *xzalloc(size_t size);
125void *xrealloc(void *ptr, size_t size);
126char *xstrndup(char *s, size_t n);
127char *xstrdup(char *s);
128void *xmemdup(void *s, long len);
129char *xmprintf(char *format, ...) printf_format;
130void xprintf(char *format, ...) printf_format;
131void xputsl(char *s, int len);
132void xputsn(char *s);
133void xputs(char *s);
134void xputc(char c);
135void xflush(int flush);
136void xexec(char **argv);
137pid_t xpopen_setup(char **argv, int *pipes, void (*callback)(char **argv));
138pid_t xpopen_both(char **argv, int *pipes);
139int xwaitpid(pid_t pid);
140int xpclose_both(pid_t pid, int *pipes);
141pid_t xpopen(char **argv, int *pipe, int isstdout);
142pid_t xpclose(pid_t pid, int pipe);
143int xrun(char **argv);
144int xpspawn(char **argv, int*pipes);
145void xaccess(char *path, int flags);
146void xunlink(char *path);
147void xrename(char *from, char *to);
148int xtempfile(char *name, char **tempname);
149int xcreate(char *path, int flags, int mode);
150int xopen(char *path, int flags);
151int xcreate_stdio(char *path, int flags, int mode);
152int xopen_stdio(char *path, int flags);
153int openro(char *path, int flags);
154int xopenro(char *path);
155void xpipe(int *pp);
156void xclose(int fd);
157int xdup(int fd);
158int notstdio(int fd);
159FILE *xfdopen(int fd, char *mode);
160FILE *xfopen(char *path, char *mode);
161size_t xread(int fd, void *buf, size_t len);
162void xreadall(int fd, void *buf, size_t len);
163void xwrite(int fd, void *buf, size_t len);
164off_t xlseek(int fd, off_t offset, int whence);
165char *xreadfile(char *name, char *buf, off_t len);
166int xioctl(int fd, int request, void *data);
167char *xgetcwd(void);
168void xstat(char *path, struct stat *st);
169char *xabspath(char *path, int exact);
170void xchdir(char *path);
171void xchroot(char *path);
172struct passwd *xgetpwuid(uid_t uid);
173struct group *xgetgrgid(gid_t gid);
174struct passwd *xgetpwnam(char *name);
175struct group *xgetgrnam(char *name);
176unsigned xgetuid(char *name);
177unsigned xgetgid(char *name);
178void xsetuser(struct passwd *pwd);
179char *xreadlink(char *name);
180double xstrtod(char *s);
181long xparsetime(char *arg, long units, long *fraction);
182long long xparsemillitime(char *arg);
183void xpidfile(char *name);
184void xregcomp(regex_t *preg, char *rexec, int cflags);
185char *xtzset(char *new);
186void xsignal_flags(int signal, void *handler, int flags);
187void xsignal(int signal, void *handler);
188time_t xvali_date(struct tm *tm, char *str);
189void xparsedate(char *str, time_t *t, unsigned *nano, int endian);
190char *xgetline(FILE *fp, int *len);
191time_t xmktime(struct tm *tm, int utc);
192
193
194void verror_msg(char *msg, int err, va_list va);
195void error_msg(char *msg, ...) printf_format;
196void perror_msg(char *msg, ...) printf_format;
197void error_exit(char *msg, ...) printf_format __attribute__((__noreturn__));
198void perror_exit(char *msg, ...) printf_format __attribute__((__noreturn__));
199void help_exit(char *msg, ...) printf_format __attribute__((__noreturn__));
200void error_msg_raw(char *msg);
201void perror_msg_raw(char *msg);
202void error_exit_raw(char *msg);
203void perror_exit_raw(char *msg);
204ssize_t readall(int fd, void *buf, size_t len);
205ssize_t writeall(int fd, void *buf, size_t len);
206off_t lskip(int fd, off_t offset);
207#define MKPATHAT_MKLAST 1
208#define MKPATHAT_MAKE 2
209#define MKPATHAT_VERBOSE 4
210int mkpathat(int atfd, char *dir, mode_t lastmode, int flags);
211int mkpath(char *dir);
212struct string_list **splitpath(char *path, struct string_list **list);
213char *readfd(int fd, char *ibuf, off_t *plen);
214char *readfileat(int dirfd, char *name, char *buf, off_t *len);
215char *readfile(char *name, char *buf, off_t len);
216void msleep(long milliseconds);
217void nanomove(struct timespec *ts, long long offset);
218long long nanodiff(struct timespec *old, struct timespec *new);
219int highest_bit(unsigned long l);
220int64_t peek_le(void *ptr, unsigned size);
221int64_t peek_be(void *ptr, unsigned size);
222int64_t peek(void *ptr, unsigned size);
223void poke_le(void *ptr, long long val, unsigned size);
224void poke_be(void *ptr, long long val, unsigned size);
225void poke(void *ptr, long long val, unsigned size);
226struct string_list *find_in_path(char *path, char *filename);
227long long estrtol(char *str, char **end, int base);
228long long xstrtol(char *str, char **end, int base);
229long long atolx(char *c);
230long long atolx_range(char *numstr, long long low, long long high);
231int stridx(char *haystack, char needle);
232int utf8towc(wchar_t *wc, char *str, unsigned len);
233char *strlower(char *s);
234char *strafter(char *haystack, char *needle);
235char *chomp(char *s);
236int unescape(char c);
237int unescape2(char **c, int echo);
238char *strend(char *str, char *suffix);
239int strstart(char **a, char *b);
240int strcasestart(char **a, char *b);
241off_t fdlength(int fd);
242void loopfiles_rw(char **argv, int flags, int permissions,
243 void (*function)(int fd, char *name));
244void loopfiles(char **argv, void (*function)(int fd, char *name));
245void loopfiles_lines(char **argv, void (*function)(char **pline, long len));
246long long sendfile_len(int in, int out, long long len, long long *consumed);
247long long xsendfile_len(int in, int out, long long len);
248void xsendfile_pad(int in, int out, long long len);
249long long xsendfile(int in, int out);
250int wfchmodat(int rc, char *name, mode_t mode);
251int copy_tempfile(int fdin, char *name, char **tempname);
252void delete_tempfile(int fdin, int fdout, char **tempname);
253void replace_tempfile(int fdin, int fdout, char **tempname);
254void crc_init(unsigned int *crc_table, int little_endian);
255void base64_init(char *p);
256int yesno(int def);
257int fyesno(FILE *fp, int def);
258int qstrcmp(const void *a, const void *b);
259void create_uuid(char *uuid);
260char *show_uuid(char *uuid);
261char *next_printf(char *s, char **start);
262struct passwd *bufgetpwuid(uid_t uid);
263struct group *bufgetgrgid(gid_t gid);
264int readlinkat0(int dirfd, char *path, char *buf, int len);
265int readlink0(char *path, char *buf, int len);
266int regexec0(regex_t *preg, char *string, long len, int nmatch,
267 regmatch_t pmatch[], int eflags);
268char *getusername(uid_t uid);
269char *getgroupname(gid_t gid);
270void do_lines(int fd, char delim, void (*call)(char **pline, long len));
271long long millitime(void);
272char *format_iso_time(char *buf, size_t len, struct timespec *ts);
273void loggit(int priority, char *format, ...);
274unsigned tar_cksum(void *data);
275int is_tar_header(void *pkt);
276char *elf_arch_name(int type);
277
278#define HR_SPACE 1
279#define HR_B 2
280#define HR_1000 4
281int human_readable_long(char *buf, unsigned long long num, int dgt, int style);
282int human_readable(char *buf, unsigned long long num, int style);
283
284
285
286long environ_bytes();
287char *xsetenv(char *name, char *val);
288void xunsetenv(char *name);
289char *xpop_env(char *name);
290void xclearenv(void);
291void reset_env(struct passwd *p, int clear);
292
293
294
295struct linestack {
296 long len, max;
297 struct ptr_len idx[];
298};
299
300void linestack_addstack(struct linestack **lls, struct linestack *throw,
301 long pos);
302void linestack_insert(struct linestack **lls, long pos, char *line, long len);
303void linestack_append(struct linestack **lls, char *line);
304struct linestack *linestack_load(char *name);
305int crunch_escape(FILE *out, int cols, int wc);
306int crunch_rev_escape(FILE *out, int cols, int wc);
307int crunch_str(char **str, int width, FILE *out, char *escmore,
308 int (*escout)(FILE *out, int cols, int wc));
309int draw_str(char *start, int width);
310int utf8len(char *str);
311int utf8skip(char *str, int width);
312int draw_trim_esc(char *str, int padto, int width, char *escmore,
313 int (*escout)(FILE *out, int cols,int wc));
314int draw_trim(char *str, int padto, int width);
315
316
317int tty_fd(void);
318int terminal_size(unsigned *xx, unsigned *yy);
319int terminal_probesize(unsigned *xx, unsigned *yy);
320#define KEY_UP 0
321#define KEY_DOWN 1
322#define KEY_RIGHT 2
323#define KEY_LEFT 3
324#define KEY_PGUP 4
325#define KEY_PGDN 5
326#define KEY_HOME 6
327#define KEY_END 7
328#define KEY_INSERT 8
329#define KEY_DELETE 9
330#define KEY_FN 10
331#define KEY_SHIFT (1<<16)
332#define KEY_CTRL (1<<17)
333#define KEY_ALT (1<<18)
334int scan_key(char *scratch, int timeout_ms);
335int scan_key_getsize(char *scratch, int timeout_ms, unsigned *xx, unsigned *yy);
336int set_terminal(int fd, int raw, int speed, struct termios *old);
337void xset_terminal(int fd, int raw, int speed, struct termios *old);
338void tty_esc(char *s);
339void tty_jump(int x, int y);
340void tty_reset(void);
341void tty_sigreset(int i);
342void start_redraw(unsigned *width, unsigned *height);
343
344
345
346union socksaddr {
347 struct sockaddr s;
348 struct sockaddr_in in;
349 struct sockaddr_in6 in6;
350};
351
352int xsocket(int domain, int type, int protocol);
353void xsetsockopt(int fd, int level, int opt, void *val, socklen_t len);
354struct addrinfo *xgetaddrinfo(char *host, char *port, int family, int socktype,
355 int protocol, int flags);
356void xbind(int fd, const struct sockaddr *sa, socklen_t len);
357void xconnect(int fd, const struct sockaddr *sa, socklen_t len);
358int xconnectany(struct addrinfo *ai);
359int xbindany(struct addrinfo *ai);
360int xpoll(struct pollfd *fds, int nfds, int timeout);
361int pollinate(int in1, int in2, int out1, int out2, int timeout, int shutdown_timeout);
362char *ntop(struct sockaddr *sa);
363void xsendto(int sockfd, void *buf, size_t len, struct sockaddr *dest);
364int xrecvwait(int fd, char *buf, int len, union socksaddr *sa, int timeout);
365
366
367int get_salt(char *salt, char * algo);
368
369
370void comma_args(struct arg_list *al, void *data, char *err,
371 char *(*callback)(void *data, char *str, int len));
372void comma_collate(char **old, char *new);
373char *comma_iterate(char **list, int *len);
374int comma_scan(char *optlist, char *opt, int clean);
375int comma_scanall(char *optlist, char *scanlist);
376int comma_remove(char *optlist, char *opt);
377
378
379
380long long gzip_fd(int infd, int outfd);
381long long gunzip_fd(int infd, int outfd);
382
383
384struct mtab_list {
385 struct mtab_list *next, *prev;
386 struct stat stat;
387 struct statvfs statvfs;
388 char *dir;
389 char *device;
390 char *opts;
391 char type[0];
392};
393
394int mountlist_istype(struct mtab_list *ml, char *typelist);
395struct mtab_list *xgetmountlist(char *path);
396
397
398
399void generic_signal(int signal);
400void exit_signal(int signal);
401void sigatexit(void *handler);
402void list_signals();
403
404mode_t string_to_mode(char *mode_str, mode_t base);
405void mode_to_string(mode_t mode, char *buf);
406char *getbasename(char *name);
407char *fileunderdir(char *file, char *dir);
408char *relative_path(char *from, char *to);
409void names_to_pid(char **names, int (*callback)(pid_t pid, char *name),
410 int scripts);
411
412pid_t __attribute__((returns_twice)) xvforkwrap(pid_t pid);
413#define XVFORK() xvforkwrap(vfork())
414
415
416
417#define WOULD_EXIT(y, x) do { sigjmp_buf _noexit; \
418 int _noexit_res; \
419 toys.rebound = &_noexit; \
420 _noexit_res = sigsetjmp(_noexit, 1); \
421 if (!_noexit_res) do {x;} while(0); \
422 toys.rebound = 0; \
423 y = _noexit_res; \
424} while(0)
425
426
427#define NOEXIT(x) WOULD_EXIT(_noexit_res, x)
428
429#define minof(a, b) ({typeof(a) aa = (a); typeof(b) bb = (b); aa<bb ? aa : bb;})
430#define maxof(a, b) ({typeof(a) aa = (a); typeof(b) bb = (b); aa>bb ? aa : bb;})
431
432
433#include "lib/pending.h"
434