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11
12struct string_list {
13 struct string_list *next;
14 char str[];
15};
16
17struct arg_list {
18 struct arg_list *next;
19 char *arg;
20};
21
22struct double_list {
23 struct double_list *next, *prev;
24 char *data;
25};
26
27struct num_cache {
28 struct num_cache *next;
29 long long num;
30 char data[];
31};
32
33void llist_free_arg(void *node);
34void llist_free_double(void *node);
35void llist_traverse(void *list, void (*using)(void *node));
36void *llist_pop(void *list);
37void *dlist_pop(void *list);
38void *dlist_lpop(void *list);
39void dlist_add_nomalloc(struct double_list **list, struct double_list *new);
40struct double_list *dlist_add(struct double_list **list, char *data);
41void *dlist_terminate(void *list);
42struct num_cache *get_num_cache(struct num_cache *cache, long long num);
43struct num_cache *add_num_cache(struct num_cache **cache, long long num,
44 void *data, int len);
45
46
47#define FLAGS_NODASH (1LL<<63)
48void get_optflags(void);
49
50
51
52
53
54
55
56#define DIRTREE_SAVE 1
57
58#define DIRTREE_RECURSE 2
59
60
61#define DIRTREE_COMEAGAIN 4
62
63#define DIRTREE_SYMFOLLOW 8
64
65#define DIRTREE_SHUTUP 16
66
67#define DIRTREE_BREADTH 32
68
69#define DIRTREE_PROC 64
70
71#define DIRTREE_STATLESS 128
72
73#define DIRTREE_ABORT 256
74
75#define DIRTREE_ABORTVAL ((struct dirtree *)1)
76
77struct dirtree {
78 struct dirtree *next, *parent, *child;
79 long extra;
80 char *symlink;
81 int dirfd;
82 struct stat st;
83 char again, name[];
84};
85
86int isdotdot(char *name);
87struct dirtree *dirtree_add_node(struct dirtree *p, char *name, int flags);
88char *dirtree_path(struct dirtree *node, int *plen);
89int dirtree_notdotdot(struct dirtree *catch);
90int dirtree_parentfd(struct dirtree *node);
91int dirtree_recurse(struct dirtree *node, int (*callback)(struct dirtree *node),
92 int dirfd, int symfollow);
93struct dirtree *dirtree_flagread(char *path, int flags,
94 int (*callback)(struct dirtree *node));
95struct dirtree *dirtree_read(char *path, int (*callback)(struct dirtree *node));
96
97
98
99
100#define WARN_ONLY (1<<31)
101#define LOOPFILES_ANYWAY (1<<30)
102
103
104#define ABS_PATH 1
105#define ABS_FILE 2
106#define ABS_KEEP 4
107#define ABS_LAST 8
108
109
110void xstrncpy(char *dest, char *src, size_t size);
111void xstrncat(char *dest, char *src, size_t size);
112void _xexit(void) __attribute__((__noreturn__));
113void xexit(void) __attribute__((__noreturn__));
114void *xmmap(void *addr, size_t length, int prot, int flags, int fd, off_t off);
115void *xmalloc(size_t size);
116void *xzalloc(size_t size);
117void *xrealloc(void *ptr, size_t size);
118char *xstrndup(char *s, size_t n);
119char *xstrdup(char *s);
120void *xmemdup(void *s, long len);
121char *xmprintf(char *format, ...) printf_format;
122void xflush(int flush);
123void xprintf(char *format, ...) printf_format;
124void xputsl(char *s, int len);
125void xputsn(char *s);
126void xputs(char *s);
127void xputc(char c);
128void xvdaemon(void);
129void xexec(char **argv);
130pid_t xpopen_setup(char **argv, int *pipes, void (*callback)(char **argv));
131pid_t xpopen_both(char **argv, int *pipes);
132int xwaitpid(pid_t pid);
133int xpclose_both(pid_t pid, int *pipes);
134pid_t xpopen(char **argv, int *pipe, int isstdout);
135pid_t xpclose(pid_t pid, int pipe);
136int xrun(char **argv);
137int xpspawn(char **argv, int*pipes);
138void xaccess(char *path, int flags);
139void xunlink(char *path);
140void xrename(char *from, char *to);
141int xtempfile(char *name, char **tempname);
142int xcreate(char *path, int flags, int mode);
143int xopen(char *path, int flags);
144int xcreate_stdio(char *path, int flags, int mode);
145int xopen_stdio(char *path, int flags);
146int openro(char *path, int flags);
147int xopenro(char *path);
148void xpipe(int *pp);
149void xclose(int fd);
150int xdup(int fd);
151int notstdio(int fd);
152FILE *xfdopen(int fd, char *mode);
153FILE *xfopen(char *path, char *mode);
154size_t xread(int fd, void *buf, size_t len);
155void xreadall(int fd, void *buf, size_t len);
156void xwrite(int fd, void *buf, size_t len);
157off_t xlseek(int fd, off_t offset, int whence);
158char *xreadfile(char *name, char *buf, off_t len);
159int xioctl(int fd, int request, void *data);
160char *xgetcwd(void);
161void xstat(char *path, struct stat *st);
162char *xabspath(char *path, int exact);
163void xchdir(char *path);
164void xchroot(char *path);
165struct passwd *xgetpwuid(uid_t uid);
166struct group *xgetgrgid(gid_t gid);
167struct passwd *xgetpwnam(char *name);
168struct group *xgetgrnam(char *name);
169unsigned xgetuid(char *name);
170unsigned xgetgid(char *name);
171void xsetuser(struct passwd *pwd);
172char *xreadlinkat(int dir, char *name);
173char *xreadlink(char *name);
174double xstrtod(char *s);
175long xparsetime(char *arg, long units, long *fraction);
176void xparsetimespec(char *arg, struct timespec *ts);
177long long xparsemillitime(char *arg);
178void xpidfile(char *name);
179void xregcomp(regex_t *preg, char *rexec, int cflags);
180char *xtzset(char *new);
181void xsignal_flags(int signal, void *handler, int flags);
182void xsignal(int signal, void *handler);
183time_t xvali_date(struct tm *tm, char *str);
184void xparsedate(char *str, time_t *t, unsigned *nano, int endian);
185char *xgetline(FILE *fp);
186time_t xmktime(struct tm *tm, int utc);
187
188
189void verror_msg(char *msg, int err, va_list va);
190void error_msg(char *msg, ...) printf_format;
191void perror_msg(char *msg, ...) printf_format;
192void error_exit(char *msg, ...) printf_format __attribute__((__noreturn__));
193void perror_exit(char *msg, ...) printf_format __attribute__((__noreturn__));
194void help_exit(char *msg, ...) printf_format __attribute__((__noreturn__));
195void error_msg_raw(char *msg);
196void perror_msg_raw(char *msg);
197void error_exit_raw(char *msg) __attribute__((__noreturn__));
198void perror_exit_raw(char *msg) __attribute__((__noreturn__));
199ssize_t readall(int fd, void *buf, size_t len);
200ssize_t writeall(int fd, void *buf, size_t len);
201off_t lskip(int fd, off_t offset);
202#define MKPATHAT_MKLAST 1
203#define MKPATHAT_MAKE 2
204#define MKPATHAT_VERBOSE 4
205int mkpathat(int atfd, char *dir, mode_t lastmode, int flags);
206int mkpath(char *dir);
207struct string_list **splitpath(char *path, struct string_list **list);
208char *readfd(int fd, char *ibuf, off_t *plen);
209char *readfileat(int dirfd, char *name, char *buf, off_t *len);
210char *readfile(char *name, char *buf, off_t len);
211void msleep(long milliseconds);
212void nanomove(struct timespec *ts, long long offset);
213long long nanodiff(struct timespec *old, struct timespec *new);
214int highest_bit(unsigned long l);
215int64_t peek_le(void *ptr, unsigned size);
216int64_t peek_be(void *ptr, unsigned size);
217int64_t peek(void *ptr, unsigned size);
218void poke_le(void *ptr, long long val, unsigned size);
219void poke_be(void *ptr, long long val, unsigned size);
220void poke(void *ptr, long long val, unsigned size);
221struct string_list *find_in_path(char *path, char *filename);
222long long estrtol(char *str, char **end, int base);
223long long xstrtol(char *str, char **end, int base);
224long long atolx(char *c);
225long long atolx_range(char *numstr, long long low, long long high);
226int stridx(char *haystack, char needle);
227int wctoutf8(char *s, unsigned wc);
228int utf8towc(unsigned *wc, char *str, unsigned len);
229char *strlower(char *s);
230char *strafter(char *haystack, char *needle);
231char *chomp(char *s);
232int unescape(char c);
233int unescape2(char **c, int echo);
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 *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);
258struct passwd *bufgetpwnamuid(char *name, uid_t uid);
259struct passwd *bufgetpwuid(uid_t uid);
260struct group *bufgetgrnamgid(char *name, gid_t gid);
261struct group *bufgetgrgid(gid_t gid);
262int readlinkat0(int dirfd, char *path, char *buf, int len);
263int readlink0(char *path, char *buf, int len);
264int regexec0(regex_t *preg, char *string, long len, int nmatch,
265 regmatch_t pmatch[], int eflags);
266char *getusername(uid_t uid);
267char *getgroupname(gid_t gid);
268void do_lines(int fd, char delim, void (*call)(char **pline, long len));
269long long millitime(void);
270char *format_iso_time(char *buf, size_t len, struct timespec *ts);
271void loggit(int priority, char *format, ...);
272unsigned tar_cksum(void *data);
273int is_tar_header(void *pkt);
274char *elf_arch_name(int type);
275
276#define HR_SPACE 1
277#define HR_B 2
278#define HR_1000 4
279#define HR_NODOT 8
280int human_readable_long(char *buf, unsigned long long num, int dgt, int unit,
281 int style);
282int human_readable(char *buf, unsigned long long num, int style);
283
284
285
286long environ_bytes(void);
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
295int crunch_escape(FILE *out, int cols, int wc);
296int crunch_rev_escape(FILE *out, int cols, int wc);
297int crunch_str(char **str, int width, FILE *out, char *escmore,
298 int (*escout)(FILE *out, int cols, int wc));
299int draw_str(char *start, int width);
300int utf8len(char *str);
301int utf8skip(char *str, int width);
302int draw_trim_esc(char *str, int padto, int width, char *escmore,
303 int (*escout)(FILE *out, int cols,int wc));
304int draw_trim(char *str, int padto, int width);
305
306
307int tty_fd(void);
308int terminal_size(unsigned *xx, unsigned *yy);
309int terminal_probesize(unsigned *xx, unsigned *yy);
310#define KEY_UP 0
311#define KEY_DOWN 1
312#define KEY_RIGHT 2
313#define KEY_LEFT 3
314#define KEY_PGUP 4
315#define KEY_PGDN 5
316#define KEY_HOME 6
317#define KEY_END 7
318#define KEY_INSERT 8
319#define KEY_DELETE 9
320#define KEY_FN 10
321#define KEY_SHIFT (1<<16)
322#define KEY_CTRL (1<<17)
323#define KEY_ALT (1<<18)
324int scan_key(char *scratch, int timeout_ms);
325int scan_key_getsize(char *scratch, int timeout_ms, unsigned *xx, unsigned *yy);
326void xsetspeed(struct termios *tio, int speed);
327int set_terminal(int fd, int raw, int speed, struct termios *old);
328void xset_terminal(int fd, int raw, int speed, struct termios *old);
329void tty_reset(void);
330void tty_sigreset(int i);
331void start_redraw(unsigned *width, unsigned *height);
332
333
334
335union socksaddr {
336 struct sockaddr s;
337 struct sockaddr_in in;
338 struct sockaddr_in6 in6;
339};
340
341int xsocket(int domain, int type, int protocol);
342void xsetsockopt(int fd, int level, int opt, void *val, socklen_t len);
343struct addrinfo *xgetaddrinfo(char *host, char *port, int family, int socktype,
344 int protocol, int flags);
345void xbind(int fd, const struct sockaddr *sa, socklen_t len);
346void xconnect(int fd, const struct sockaddr *sa, socklen_t len);
347int xconnectany(struct addrinfo *ai);
348int xbindany(struct addrinfo *ai);
349int xpoll(struct pollfd *fds, int nfds, int timeout);
350int pollinate(int in1, int in2, int out1, int out2, int timeout, int shutdown_timeout);
351char *ntop(struct sockaddr *sa);
352void xsendto(int sockfd, void *buf, size_t len, struct sockaddr *dest);
353int xrecvwait(int fd, char *buf, int len, union socksaddr *sa, int timeout);
354char *escape_url(char *str, char *and);
355void unescape_url(char *str);
356
357
358int get_salt(char *salt, char * algo);
359
360
361void comma_args(struct arg_list *al, void *data, char *err,
362 char *(*callback)(void *data, char *str, int len));
363void comma_collate(char **old, char *new);
364char *comma_iterate(char **list, int *len);
365int comma_scan(char *optlist, char *opt, int clean);
366int comma_scanall(char *optlist, char *scanlist);
367int comma_remove(char *optlist, char *opt);
368
369
370
371long long gzip_fd(int infd, int outfd);
372long long gunzip_fd(int infd, int outfd);
373long long gunzip_fd_preload(int infd, int outfd, char *buf, unsigned len);
374
375
376
377struct mtab_list {
378 struct mtab_list *next, *prev;
379 struct stat stat;
380 struct statvfs statvfs;
381 char *dir;
382 char *device;
383 char *opts;
384 char type[0];
385};
386
387int mountlist_istype(struct mtab_list *ml, char *typelist);
388struct mtab_list *xgetmountlist(char *path);
389
390
391
392void generic_signal(int signal);
393void exit_signal(int signal);
394void sigatexit(void *handler);
395void list_signals(void);
396
397mode_t string_to_mode(char *mode_str, mode_t base);
398void mode_to_string(mode_t mode, char *buf);
399char *getbasename(char *name);
400char *fileunderdir(char *file, char *dir);
401char *relative_path(char *from, char *to);
402void names_to_pid(char **names, int (*callback)(pid_t pid, char *name),
403 int scripts);
404
405pid_t __attribute__((returns_twice)) xvforkwrap(pid_t pid);
406#define XVFORK() xvforkwrap(vfork())
407
408
409
410#define WOULD_EXIT(y, x) do { sigjmp_buf _noexit; \
411 int _noexit_res; \
412 toys.rebound = &_noexit; \
413 _noexit_res = sigsetjmp(_noexit, 1); \
414 if (!_noexit_res) do {x;} while(0); \
415 toys.rebound = 0; \
416 y = _noexit_res; \
417} while(0)
418
419
420#define NOEXIT(x) WOULD_EXIT(_noexit_res, x)
421
422#define minof(a, b) ({typeof(a) aa = (a); typeof(b) bb = (b); aa<bb ? aa : bb;})
423#define maxof(a, b) ({typeof(a) aa = (a); typeof(b) bb = (b); aa>bb ? aa : bb;})
424
425
426#include "lib/pending.h"
427