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