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/* lib.h - header file for lib directory
*
* Copyright 2006 Rob Landley <rob@landley.net>
*/
// llist.c
// All these list types can be handled by the same code because first element
// is always next pointer, so next = (mytype *)&struct. (The payloads are
// named differently to catch using the wrong type early.)
struct string_list {
struct string_list *next;
char str[0];
};
struct arg_list {
struct arg_list *next;
char *arg;
};
struct double_list {
struct double_list *next, *prev;
char *data;
};
void llist_free_arg(void *node);
void llist_free_double(void *node);
void llist_traverse(void *list, void (*using)(void *node));
void *llist_pop(void *list); // actually void **list
void *dlist_pop(void *list); // actually struct double_list **list
void dlist_add_nomalloc(struct double_list **list, struct double_list *new);
struct double_list *dlist_add(struct double_list **list, char *data);
void *dlist_terminate(void *list);
// args.c
void get_optflags(void);
// dirtree.c
// Values returnable from callback function (bitfield, or them together)
// Default with no callback is 0
// Add this node to the tree
#define DIRTREE_SAVE 1
// Recurse into children
#define DIRTREE_RECURSE 2
// Call again after handling all children of this directory
// (Ignored for non-directories, sets linklen = -1 before second call.)
#define DIRTREE_COMEAGAIN 4
// Follow symlinks to directories
#define DIRTREE_SYMFOLLOW 8
// Don't look at any more files in this directory.
#define DIRTREE_ABORT 256
#define DIRTREE_ABORTVAL ((struct dirtree *)1)
struct dirtree {
struct dirtree *next, *parent, *child;
long extra; // place for user to store their stuff (can be pointer)
struct stat st;
char *symlink;
int data; // dirfd for directory, linklen for symlink
char again;
char name[];
};
struct dirtree *dirtree_add_node(struct dirtree *p, char *name, int symfollow);
char *dirtree_path(struct dirtree *node, int *plen);
int dirtree_notdotdot(struct dirtree *catch);
int dirtree_parentfd(struct dirtree *node);
struct dirtree *dirtree_handle_callback(struct dirtree *new,
int (*callback)(struct dirtree *node));
int dirtree_recurse(struct dirtree *node, int (*callback)(struct dirtree *node),
int symfollow);
struct dirtree *dirtree_read(char *path, int (*callback)(struct dirtree *node));
// help.c
void show_help(void);
// xwrap.c
void xstrncpy(char *dest, char *src, size_t size);
void xstrncat(char *dest, char *src, size_t size);
void xexit(void) noreturn;
void *xmalloc(size_t size);
void *xzalloc(size_t size);
void *xrealloc(void *ptr, size_t size);
char *xstrndup(char *s, size_t n);
char *xstrdup(char *s);
char *xmprintf(char *format, ...) printf_format;
void xprintf(char *format, ...) printf_format;
void xputs(char *s);
void xputc(char c);
void xflush(void);
void xexec(char **argv);
pid_t xpopen_both(char **argv, int *pipes);
int xpclose_both(pid_t pid, int *pipes);
pid_t xpopen(char **argv, int *pipe, int stdout);
pid_t xpclose(pid_t pid, int pipe);
int xrun(char **argv);
int xpspawn(char **argv, int*pipes);
void xaccess(char *path, int flags);
void xunlink(char *path);
int xcreate(char *path, int flags, int mode);
int xopen(char *path, int flags);
void xclose(int fd);
int xdup(int fd);
FILE *xfdopen(int fd, char *mode);
FILE *xfopen(char *path, char *mode);
size_t xread(int fd, void *buf, size_t len);
void xreadall(int fd, void *buf, size_t len);
void xwrite(int fd, void *buf, size_t len);
off_t xlseek(int fd, off_t offset, int whence);
char *xreadfile(char *name, char *buf, off_t len);
int xioctl(int fd, int request, void *data);
char *xgetcwd(void);
void xstat(char *path, struct stat *st);
char *xabspath(char *path, int exact);
void xchdir(char *path);
void xchroot(char *path);
struct passwd *xgetpwuid(uid_t uid);
struct group *xgetgrgid(gid_t gid);
struct passwd *xgetpwnam(char *name);
struct group *xgetgrnam(char *name);
void xsetuser(struct passwd *pwd);
char *xreadlink(char *name);
long xparsetime(char *arg, long units, long *fraction);
void xpidfile(char *name);
void xregcomp(regex_t *preg, char *rexec, int cflags);
char *xtzset(char *new);
void xsignal(int signal, void *handler);
// lib.c
void verror_msg(char *msg, int err, va_list va);
void error_msg(char *msg, ...) printf_format;
void perror_msg(char *msg, ...) printf_format;
void error_exit(char *msg, ...) printf_format noreturn;
void perror_exit(char *msg, ...) printf_format noreturn;
ssize_t readall(int fd, void *buf, size_t len);
ssize_t writeall(int fd, void *buf, size_t len);
off_t lskip(int fd, off_t offset);
int mkpathat(int atfd, char *dir, mode_t lastmode, int flags);
struct string_list **splitpath(char *path, struct string_list **list);
char *readfile(char *name, char *buf, off_t len);
void msleep(long miliseconds);
int64_t peek_le(void *ptr, unsigned size);
int64_t peek_be(void *ptr, unsigned size);
int64_t peek(void *ptr, unsigned size);
void poke(void *ptr, uint64_t val, int size);
struct string_list *find_in_path(char *path, char *filename);
long estrtol(char *str, char **end, int base);
long xstrtol(char *str, char **end, int base);
long atolx(char *c);
long atolx_range(char *numstr, long low, long high);
int numlen(long l);
int stridx(char *haystack, char needle);
int unescape(char c);
int strstart(char **a, char *b);
off_t fdlength(int fd);
void loopfiles_rw(char **argv, int flags, int permissions, int failok,
void (*function)(int fd, char *name));
void loopfiles(char **argv, void (*function)(int fd, char *name));
char *get_rawline(int fd, long *plen, char end);
char *get_line(int fd);
void xsendfile(int in, int out);
int wfchmodat(int rc, char *name, mode_t mode);
int copy_tempfile(int fdin, char *name, char **tempname);
void delete_tempfile(int fdin, int fdout, char **tempname);
void replace_tempfile(int fdin, int fdout, char **tempname);
void crc_init(unsigned int *crc_table, int little_endian);
void base64_init(char *p);
int terminal_size(unsigned *x, unsigned *y);
int yesno(char *prompt, int def);
int human_readable(char *buf, unsigned long long num);
// net.c
int xsocket(int domain, int type, int protocol);
void xsetsockopt(int fd, int level, int opt, void *val, socklen_t len);
// password.c
int get_salt(char *salt, char * algo);
// getmountlist.c
struct mtab_list {
struct mtab_list *next, *prev;
struct stat stat;
struct statvfs statvfs;
char *dir;
char *device;
char *opts;
char type[0];
};
void comma_collate(char **old, char *new);
char *comma_iterate(char **list, int *len);
int comma_scan(char *optlist, char *opt, int clean);
int comma_scanall(char *optlist, char *scanlist);
int mountlist_istype(struct mtab_list *ml, char *typelist);
struct mtab_list *xgetmountlist(char *path);
// signal
void generic_signal(int signal);
void sigatexit(void *handler);
int sig_to_num(char *pidstr);
char *num_to_sig(int sig);
mode_t string_to_mode(char *mode_str, mode_t base);
void mode_to_string(mode_t mode, char *buf);
void names_to_pid(char **names, int (*callback)(pid_t pid, char *name));
// Functions in need of further review/cleanup
#include "lib/pending.h"
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