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) noreturn;
118void xexit(void) 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 xputs(char *s);
129void xputc(char c);
130void xflush(void);
131void xexec(char **argv);
132pid_t xpopen_both(char **argv, int *pipes);
133int xwaitpid(pid_t pid);
134int xpclose_both(pid_t pid, int *pipes);
135pid_t xpopen(char **argv, int *pipe, int isstdout);
136pid_t xpclose(pid_t pid, int pipe);
137int xrun(char **argv);
138int xpspawn(char **argv, int*pipes);
139void xaccess(char *path, int flags);
140void xunlink(char *path);
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 *xreadlink(char *name);
173double xstrtod(char *s);
174long xparsetime(char *arg, long units, long *fraction);
175long long xparsemillitime(char *arg);
176void xpidfile(char *name);
177void xregcomp(regex_t *preg, char *rexec, int cflags);
178char *xtzset(char *new);
179void xsignal_flags(int signal, void *handler, int flags);
180void xsignal(int signal, void *handler);
181
182
183void verror_msg(char *msg, int err, va_list va);
184void error_msg(char *msg, ...) printf_format;
185void perror_msg(char *msg, ...) printf_format;
186void error_exit(char *msg, ...) printf_format noreturn;
187void perror_exit(char *msg, ...) printf_format noreturn;
188void help_exit(char *msg, ...) printf_format noreturn;
189void error_msg_raw(char *msg);
190void perror_msg_raw(char *msg);
191void error_exit_raw(char *msg);
192void perror_exit_raw(char *msg);
193ssize_t readall(int fd, void *buf, size_t len);
194ssize_t writeall(int fd, void *buf, size_t len);
195off_t lskip(int fd, off_t offset);
196#define MKPATHAT_MKLAST 1
197#define MKPATHAT_MAKE 2
198#define MKPATHAT_VERBOSE 4
199int mkpathat(int atfd, char *dir, mode_t lastmode, int flags);
200int mkpath(char *dir);
201struct string_list **splitpath(char *path, struct string_list **list);
202char *readfileat(int dirfd, char *name, char *buf, off_t *len);
203char *readfile(char *name, char *buf, off_t len);
204void msleep(long miliseconds);
205int highest_bit(unsigned long l);
206int64_t peek_le(void *ptr, unsigned size);
207int64_t peek_be(void *ptr, unsigned size);
208int64_t peek(void *ptr, unsigned size);
209void poke(void *ptr, uint64_t val, int size);
210struct string_list *find_in_path(char *path, char *filename);
211long long estrtol(char *str, char **end, int base);
212long long xstrtol(char *str, char **end, int base);
213long long atolx(char *c);
214long long atolx_range(char *numstr, long long low, long long high);
215int stridx(char *haystack, char needle);
216int utf8towc(wchar_t *wc, char *str, unsigned len);
217char *strlower(char *s);
218char *strafter(char *haystack, char *needle);
219char *chomp(char *s);
220int unescape(char c);
221char *strend(char *str, char *suffix);
222int strstart(char **a, char *b);
223off_t fdlength(int fd);
224void loopfiles_rw(char **argv, int flags, int permissions,
225 void (*function)(int fd, char *name));
226void loopfiles(char **argv, void (*function)(int fd, char *name));
227void loopfiles_lines(char **argv, void (*function)(char **pline, long len));
228long long xsendfile(int in, int out);
229int wfchmodat(int rc, char *name, mode_t mode);
230int copy_tempfile(int fdin, char *name, char **tempname);
231void delete_tempfile(int fdin, int fdout, char **tempname);
232void replace_tempfile(int fdin, int fdout, char **tempname);
233void crc_init(unsigned int *crc_table, int little_endian);
234void base64_init(char *p);
235int yesno(int def);
236int qstrcmp(const void *a, const void *b);
237void create_uuid(char *uuid);
238char *show_uuid(char *uuid);
239char *next_printf(char *s, char **start);
240char *strnstr(char *line, char *str);
241int dev_minor(int dev);
242int dev_major(int dev);
243int dev_makedev(int major, int minor);
244struct passwd *bufgetpwuid(uid_t uid);
245struct group *bufgetgrgid(gid_t gid);
246int readlinkat0(int dirfd, char *path, char *buf, int len);
247int readlink0(char *path, char *buf, int len);
248int regexec0(regex_t *preg, char *string, long len, int nmatch,
249 regmatch_t pmatch[], int eflags);
250char *getusername(uid_t uid);
251char *getgroupname(gid_t gid);
252void do_lines(int fd, void (*call)(char **pline, long len));
253long environ_bytes();
254long long millitime(void);
255char *format_iso_time(char *buf, size_t len, struct timespec *ts);
256
257#define HR_SPACE 1
258#define HR_B 2
259#define HR_1000 4
260int human_readable(char *buf, unsigned long long num, int style);
261
262
263
264struct linestack {
265 long len, max;
266 struct ptr_len idx[];
267};
268
269void linestack_addstack(struct linestack **lls, struct linestack *throw,
270 long pos);
271void linestack_insert(struct linestack **lls, long pos, char *line, long len);
272void linestack_append(struct linestack **lls, char *line);
273struct linestack *linestack_load(char *name);
274int crunch_escape(FILE *out, int cols, int wc);
275int crunch_rev_escape(FILE *out, int cols, int wc);
276int crunch_str(char **str, int width, FILE *out, char *escmore,
277 int (*escout)(FILE *out, int cols, int wc));
278int draw_str(char *start, int width);
279int utf8len(char *str);
280int utf8skip(char *str, int width);
281int draw_trim_esc(char *str, int padto, int width, char *escmore,
282 int (*escout)(FILE *out, int cols,int wc));
283int draw_trim(char *str, int padto, int width);
284
285
286int tty_fd(void);
287int terminal_size(unsigned *xx, unsigned *yy);
288int terminal_probesize(unsigned *xx, unsigned *yy);
289int scan_key_getsize(char *scratch, int miliwait, unsigned *xx, unsigned *yy);
290int set_terminal(int fd, int raw, int speed, struct termios *old);
291void xset_terminal(int fd, int raw, int speed, struct termios *old);
292int scan_key(char *scratch, int miliwait);
293void tty_esc(char *s);
294void tty_jump(int x, int y);
295void tty_reset(void);
296void tty_sigreset(int i);
297void start_redraw(unsigned *width, unsigned *height);
298
299
300int xsocket(int domain, int type, int protocol);
301void xsetsockopt(int fd, int level, int opt, void *val, socklen_t len);
302struct addrinfo *xgetaddrinfo(char *host, char *port, int family, int socktype,
303 int protocol, int flags);
304int xconnect(struct addrinfo *ai_arg);
305int xpoll(struct pollfd *fds, int nfds, int timeout);
306int pollinate(int in1, int in2, int out1, int out2, int timeout, int shutdown_timeout);
307char *ntop(struct sockaddr *sa);
308
309
310int get_salt(char *salt, char * algo);
311
312
313void comma_args(struct arg_list *al, void *data, char *err,
314 char *(*callback)(void *data, char *str, int len));
315void comma_collate(char **old, char *new);
316char *comma_iterate(char **list, int *len);
317int comma_scan(char *optlist, char *opt, int clean);
318int comma_scanall(char *optlist, char *scanlist);
319
320
321
322long long gzip_fd(int infd, int outfd);
323long long gunzip_fd(int infd, int outfd);
324
325
326struct mtab_list {
327 struct mtab_list *next, *prev;
328 struct stat stat;
329 struct statvfs statvfs;
330 char *dir;
331 char *device;
332 char *opts;
333 char type[0];
334};
335
336int mountlist_istype(struct mtab_list *ml, char *typelist);
337struct mtab_list *xgetmountlist(char *path);
338
339
340
341void generic_signal(int signal);
342void exit_signal(int signal);
343void sigatexit(void *handler);
344int sig_to_num(char *pidstr);
345char *num_to_sig(int sig);
346
347mode_t string_to_mode(char *mode_str, mode_t base);
348void mode_to_string(mode_t mode, char *buf);
349char *getdirname(char *name);
350char *getbasename(char *name);
351int fileunderdir(char *file, char *dir);
352void names_to_pid(char **names, int (*callback)(pid_t pid, char *name));
353
354pid_t __attribute__((returns_twice)) xvforkwrap(pid_t pid);
355#define XVFORK() xvforkwrap(vfork())
356
357
358
359#define WOULD_EXIT(y, x) do { jmp_buf _noexit; \
360 int _noexit_res; \
361 toys.rebound = &_noexit; \
362 _noexit_res = setjmp(_noexit); \
363 if (!_noexit_res) do {x;} while(0); \
364 toys.rebound = 0; \
365 y = _noexit_res; \
366} while(0)
367
368
369#define NOEXIT(x) WOULD_EXIT(_noexit_res, x)
370
371#define minof(a, b) ({typeof(a) aa = (a); typeof(b) bb = (b); aa<bb ? aa : bb;})
372#define maxof(a, b) ({typeof(a) aa = (a); typeof(b) bb = (b); aa>bb ? aa : bb;})
373
374
375#include "lib/pending.h"
376