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);
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_both(char **argv, int *pipes);
138int xwaitpid(pid_t pid);
139int xpclose_both(pid_t pid, int *pipes);
140pid_t xpopen(char **argv, int *pipe, int isstdout);
141pid_t xpclose(pid_t pid, int pipe);
142int xrun(char **argv);
143int xpspawn(char **argv, int*pipes);
144void xaccess(char *path, int flags);
145void xunlink(char *path);
146void xrename(char *from, char *to);
147int xtempfile(char *name, char **tempname);
148int xcreate(char *path, int flags, int mode);
149int xopen(char *path, int flags);
150int xcreate_stdio(char *path, int flags, int mode);
151int xopen_stdio(char *path, int flags);
152int openro(char *path, int flags);
153int xopenro(char *path);
154void xpipe(int *pp);
155void xclose(int fd);
156int xdup(int fd);
157int notstdio(int fd);
158FILE *xfdopen(int fd, char *mode);
159FILE *xfopen(char *path, char *mode);
160size_t xread(int fd, void *buf, size_t len);
161void xreadall(int fd, void *buf, size_t len);
162void xwrite(int fd, void *buf, size_t len);
163off_t xlseek(int fd, off_t offset, int whence);
164char *xreadfile(char *name, char *buf, off_t len);
165int xioctl(int fd, int request, void *data);
166char *xgetcwd(void);
167void xstat(char *path, struct stat *st);
168char *xabspath(char *path, int exact);
169void xchdir(char *path);
170void xchroot(char *path);
171struct passwd *xgetpwuid(uid_t uid);
172struct group *xgetgrgid(gid_t gid);
173struct passwd *xgetpwnam(char *name);
174struct group *xgetgrnam(char *name);
175unsigned xgetuid(char *name);
176unsigned xgetgid(char *name);
177void xsetuser(struct passwd *pwd);
178char *xreadlink(char *name);
179double xstrtod(char *s);
180long xparsetime(char *arg, long units, long *fraction);
181long long xparsemillitime(char *arg);
182void xpidfile(char *name);
183void xregcomp(regex_t *preg, char *rexec, int cflags);
184char *xtzset(char *new);
185void xsignal_flags(int signal, void *handler, int flags);
186void xsignal(int signal, void *handler);
187time_t xvali_date(struct tm *tm, char *str);
188void xparsedate(char *str, time_t *t, unsigned *nano, int endian);
189char *xgetline(FILE *fp, int *len);
190
191
192void verror_msg(char *msg, int err, va_list va);
193void error_msg(char *msg, ...) printf_format;
194void perror_msg(char *msg, ...) printf_format;
195void error_exit(char *msg, ...) printf_format __attribute__((__noreturn__));
196void perror_exit(char *msg, ...) printf_format __attribute__((__noreturn__));
197void help_exit(char *msg, ...) printf_format __attribute__((__noreturn__));
198void error_msg_raw(char *msg);
199void perror_msg_raw(char *msg);
200void error_exit_raw(char *msg);
201void perror_exit_raw(char *msg);
202ssize_t readall(int fd, void *buf, size_t len);
203ssize_t writeall(int fd, void *buf, size_t len);
204off_t lskip(int fd, off_t offset);
205#define MKPATHAT_MKLAST 1
206#define MKPATHAT_MAKE 2
207#define MKPATHAT_VERBOSE 4
208int mkpathat(int atfd, char *dir, mode_t lastmode, int flags);
209int mkpath(char *dir);
210struct string_list **splitpath(char *path, struct string_list **list);
211char *readfileat(int dirfd, char *name, char *buf, off_t *len);
212char *readfile(char *name, char *buf, off_t len);
213void msleep(long milliseconds);
214void nanomove(struct timespec *ts, long long offset);
215long long nanodiff(struct timespec *old, struct timespec *new);
216int highest_bit(unsigned long l);
217int64_t peek_le(void *ptr, unsigned size);
218int64_t peek_be(void *ptr, unsigned size);
219int64_t peek(void *ptr, unsigned size);
220void poke_le(void *ptr, long long val, unsigned size);
221void poke_be(void *ptr, long long val, unsigned size);
222void poke(void *ptr, long long val, unsigned size);
223struct string_list *find_in_path(char *path, char *filename);
224long long estrtol(char *str, char **end, int base);
225long long xstrtol(char *str, char **end, int base);
226long long atolx(char *c);
227long long atolx_range(char *numstr, long long low, long long high);
228int stridx(char *haystack, char needle);
229int utf8towc(wchar_t *wc, char *str, unsigned len);
230char *strlower(char *s);
231char *strafter(char *haystack, char *needle);
232char *chomp(char *s);
233int unescape(char c);
234char *strend(char *str, char *suffix);
235int strstart(char **a, char *b);
236int strcasestart(char **a, char *b);
237off_t fdlength(int fd);
238void loopfiles_rw(char **argv, int flags, int permissions,
239 void (*function)(int fd, char *name));
240void loopfiles(char **argv, void (*function)(int fd, char *name));
241void loopfiles_lines(char **argv, void (*function)(char **pline, long len));
242long long sendfile_len(int in, int out, long long len, long long *consumed);
243long long xsendfile_len(int in, int out, long long len);
244void xsendfile_pad(int in, int out, long long len);
245long long xsendfile(int in, int out);
246int wfchmodat(int rc, char *name, mode_t mode);
247int copy_tempfile(int fdin, char *name, char **tempname);
248void delete_tempfile(int fdin, int fdout, char **tempname);
249void replace_tempfile(int fdin, int fdout, char **tempname);
250void crc_init(unsigned int *crc_table, int little_endian);
251void base64_init(char *p);
252int yesno(int def);
253int fyesno(FILE *fp, int def);
254int qstrcmp(const void *a, const void *b);
255void create_uuid(char *uuid);
256char *show_uuid(char *uuid);
257char *next_printf(char *s, char **start);
258int dev_minor(int dev);
259int dev_major(int dev);
260int dev_makedev(int major, int minor);
261struct passwd *bufgetpwuid(uid_t uid);
262struct group *bufgetgrgid(gid_t gid);
263int readlinkat0(int dirfd, char *path, char *buf, int len);
264int readlink0(char *path, char *buf, int len);
265int regexec0(regex_t *preg, char *string, long len, int nmatch,
266 regmatch_t pmatch[], int eflags);
267char *getusername(uid_t uid);
268char *getgroupname(gid_t gid);
269void do_lines(int fd, char delim, void (*call)(char **pline, long len));
270long long millitime(void);
271char *format_iso_time(char *buf, size_t len, struct timespec *ts);
272void reset_env(struct passwd *p, int clear);
273void loggit(int priority, char *format, ...);
274unsigned tar_cksum(void *data);
275int is_tar_header(void *pkt);
276
277#define HR_SPACE 1
278#define HR_B 2
279#define HR_1000 4
280int human_readable_long(char *buf, unsigned long long num, int dgt, int style);
281int human_readable(char *buf, unsigned long long num, int style);
282
283
284
285long environ_bytes();
286void xsetenv(char *name, char *val);
287void xunsetenv(char *name);
288void xclearenv(void);
289
290
291
292struct linestack {
293 long len, max;
294 struct ptr_len idx[];
295};
296
297void linestack_addstack(struct linestack **lls, struct linestack *throw,
298 long pos);
299void linestack_insert(struct linestack **lls, long pos, char *line, long len);
300void linestack_append(struct linestack **lls, char *line);
301struct linestack *linestack_load(char *name);
302int crunch_escape(FILE *out, int cols, int wc);
303int crunch_rev_escape(FILE *out, int cols, int wc);
304int crunch_str(char **str, int width, FILE *out, char *escmore,
305 int (*escout)(FILE *out, int cols, int wc));
306int draw_str(char *start, int width);
307int utf8len(char *str);
308int utf8skip(char *str, int width);
309int draw_trim_esc(char *str, int padto, int width, char *escmore,
310 int (*escout)(FILE *out, int cols,int wc));
311int draw_trim(char *str, int padto, int width);
312
313
314int tty_fd(void);
315int terminal_size(unsigned *xx, unsigned *yy);
316int terminal_probesize(unsigned *xx, unsigned *yy);
317#define KEY_UP 0
318#define KEY_DOWN 1
319#define KEY_RIGHT 2
320#define KEY_LEFT 3
321#define KEY_PGUP 4
322#define KEY_PGDN 5
323#define KEY_HOME 6
324#define KEY_END 7
325#define KEY_INSERT 8
326#define KEY_DELETE 9
327#define KEY_FN 10
328#define KEY_SHIFT (1<<16)
329#define KEY_CTRL (1<<17)
330#define KEY_ALT (1<<18)
331int scan_key(char *scratch, int timeout_ms);
332int scan_key_getsize(char *scratch, int timeout_ms, unsigned *xx, unsigned *yy);
333int set_terminal(int fd, int raw, int speed, struct termios *old);
334void xset_terminal(int fd, int raw, int speed, struct termios *old);
335void tty_esc(char *s);
336void tty_jump(int x, int y);
337void tty_reset(void);
338void tty_sigreset(int i);
339void start_redraw(unsigned *width, unsigned *height);
340
341
342
343union socksaddr {
344 struct sockaddr s;
345 struct sockaddr_in in;
346 struct sockaddr_in6 in6;
347};
348
349int xsocket(int domain, int type, int protocol);
350void xsetsockopt(int fd, int level, int opt, void *val, socklen_t len);
351struct addrinfo *xgetaddrinfo(char *host, char *port, int family, int socktype,
352 int protocol, int flags);
353void xbind(int fd, const struct sockaddr *sa, socklen_t len);
354void xconnect(int fd, const struct sockaddr *sa, socklen_t len);
355int xconnectany(struct addrinfo *ai);
356int xbindany(struct addrinfo *ai);
357int xpoll(struct pollfd *fds, int nfds, int timeout);
358int pollinate(int in1, int in2, int out1, int out2, int timeout, int shutdown_timeout);
359char *ntop(struct sockaddr *sa);
360void xsendto(int sockfd, void *buf, size_t len, struct sockaddr *dest);
361int xrecvwait(int fd, char *buf, int len, union socksaddr *sa, int timeout);
362
363
364int get_salt(char *salt, char * algo);
365
366
367void comma_args(struct arg_list *al, void *data, char *err,
368 char *(*callback)(void *data, char *str, int len));
369void comma_collate(char **old, char *new);
370char *comma_iterate(char **list, int *len);
371int comma_scan(char *optlist, char *opt, int clean);
372int comma_scanall(char *optlist, char *scanlist);
373int comma_remove(char *optlist, char *opt);
374
375
376
377long long gzip_fd(int infd, int outfd);
378long long gunzip_fd(int infd, int outfd);
379
380
381struct mtab_list {
382 struct mtab_list *next, *prev;
383 struct stat stat;
384 struct statvfs statvfs;
385 char *dir;
386 char *device;
387 char *opts;
388 char type[0];
389};
390
391int mountlist_istype(struct mtab_list *ml, char *typelist);
392struct mtab_list *xgetmountlist(char *path);
393
394
395
396void generic_signal(int signal);
397void exit_signal(int signal);
398void sigatexit(void *handler);
399void list_signals();
400
401mode_t string_to_mode(char *mode_str, mode_t base);
402void mode_to_string(mode_t mode, char *buf);
403char *getdirname(char *name);
404char *getbasename(char *name);
405char *fileunderdir(char *file, char *dir);
406void names_to_pid(char **names, int (*callback)(pid_t pid, char *name),
407 int scripts);
408
409pid_t __attribute__((returns_twice)) xvforkwrap(pid_t pid);
410#define XVFORK() xvforkwrap(vfork())
411
412
413
414#define WOULD_EXIT(y, x) do { sigjmp_buf _noexit; \
415 int _noexit_res; \
416 toys.rebound = &_noexit; \
417 _noexit_res = sigsetjmp(_noexit, 1); \
418 if (!_noexit_res) do {x;} while(0); \
419 toys.rebound = 0; \
420 y = _noexit_res; \
421} while(0)
422
423
424#define NOEXIT(x) WOULD_EXIT(_noexit_res, x)
425
426#define minof(a, b) ({typeof(a) aa = (a); typeof(b) bb = (b); aa<bb ? aa : bb;})
427#define maxof(a, b) ({typeof(a) aa = (a); typeof(b) bb = (b); aa>bb ? aa : bb;})
428
429
430#include "lib/pending.h"
431