/* Collection of frog DNA * * Copyright (c) 2008-2010 Claudio Matsuoka * Copyright (c) 2008-2016 Joachim Nilsson * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #ifndef LITE_H_ #define LITE_H_ #include #include #include /* uint8_t, uint16_t, uint32_t, INT32_MAX, etc. */ #include #include #include #include /* MAX(), isset(), setbit(), TRUE, FALSE, et consortes. :-) */ #include typedef struct lfile lfile_t; char *chomp (char *str); int fexist (char *file); int fisdir (char *file); mode_t fmode (char *file); FILE *tempfile (void); ssize_t copyfile (char *src, char *dst, int len, int sym); int movefile (char *src, char *dst); int fcopyfile (FILE *src, FILE *dst); size_t fsendfile (FILE *src, FILE *dst, size_t len); int ifconfig (char *ifname, char *addr, char *mask, int up); lfile_t*lfopen (char *file, char *sep); void lfclose (lfile_t *lf); char *lftok (lfile_t *lf); char *lfgetkey (lfile_t *lf, char *key); int lfgetint (lfile_t *lf, char *key); int fgetint (char *file, char *sep, char *key); int mkpath (char *dir, mode_t mode); int makepath (char *dir); int dir (const char *dir, const char *type, int (*filter) (const char *file), char ***list, int strip); int rsync (char *src, char *dst, int delete, int (*filter) (const char *file)); int pidfile (const char *basename); int pidfile_signal(const char *pidfile, int signal); pid_t pidfile_read (const char *pidfile); pid_t pidfile_poll (const char *pidfile); #ifndef strlcpy size_t strlcpy (char *dst, const char *src, size_t siz); #endif #ifndef strlcat size_t strlcat (char *dst, const char *src, size_t siz); #endif #ifndef strtonum long long strtonum (const char *numstr, long long minval, long long maxval, const char **errstrp); #endif int tree(char *path, int show_perms); #ifndef touch # define touch(x) do { if (mknod((x), S_IFREG|0644, 0) && errno != EEXIST) warn("Failed creating %s", x); } while (0) #endif #ifndef makedir # define makedir(x, p) do { if (mkdir(x, p) && errno != EEXIST) warn("Failed creating directory %s", x); } while (0) #endif #ifndef makefifo # define makefifo(x, p) do { if (mkfifo(x, p) && errno != EEXIST) warn("Failed creating FIFO %s", x); } while (0) #endif #ifndef erase # define erase(x) do { if (remove(x) && errno != ENOENT) warn("Failed removing %s", x); } while (0) #endif #ifndef chardev # define chardev(x,m,maj,min) mknod((x), S_IFCHR|(m), makedev((maj),(min))) #endif #ifndef blkdev # define blkdev(x,m,maj,min) mknod((x), S_IFBLK|(m), makedev((maj),(min))) #endif #ifndef S_ISEXEC # define S_ISEXEC(m) (((m) & S_IXUSR) == S_IXUSR) #endif /* Unline isset(), setbit() et al, these work with integers/shorts/longwords/etc. */ #ifndef ISCLR #define ISCLR(word,bit) ((word & (1 << (bit)) ? 0 : 1)) #endif #ifndef ISSET #define ISSET(word,bit) ((word & (1 << (bit)) ? 1 : 0)) #endif #ifndef ISOTHER #define ISOTHER(word,bit) ((word & ~(1 << (bit)) ? 1 : 0)) /* Is any other bit set? */ #endif #ifndef SETBIT #define SETBIT(word,bit) (word |= (1 << (bit))) #endif #ifndef CLRBIT #define CLRBIT(word,bit) (word &= ~(1 << (bit))) #endif /* From The Practice of Programming, by Kernighan and Pike */ #ifndef NELEMS #define NELEMS(array) (sizeof(array) / sizeof(array[0])) #endif /* Mark a function variable as unused, useful for generic callbacks */ #ifndef UNUSED #define UNUSED(x) UNUSED_ ## x __attribute__ ((unused)) #endif /* Does directory end with a slash? */ static inline int fisslashdir(char *dir) { if (!dir) return 0; if (strlen(dir) > 0) return dir[strlen(dir) - 1] == '/'; return 0; } /* Convert string to natural number (0-2147483647), returns -1 on error. */ static inline int atonum(const char *str) { int val = -1; const char *errstr; if (str) { val = strtonum(str, 0, INT32_MAX, &errstr); if (errstr) return -1; } return val; } /* Validate string, non NULL and not zero length */ static inline int string_valid(const char *s) { return s && strlen(s); } /* Relaxed comparison, e.g., sys_string_match("small", "smaller") => TRUE */ static inline int string_match(const char *a, const char *b) { size_t min = MIN(strlen(a), strlen(b)); return !strncasecmp(a, b, min); } /* Strict comparison, e.g., sys_string_match("small", "smaller") => FALSE */ static inline int string_compare (const char *a, const char *b) { return strlen(a) == strlen(b) && !strcmp(a, b); } /* Strict comparison, like sys_string_compare(), but case insensitive, * e.g., sys_string_match("small", "SmAlL") => TRUE */ static inline int string_case_compare (const char *a, const char *b) { return strlen (a) == strlen (b) && !strcasecmp (a, b); } #define min(a,b) \ ({ \ __typeof__ (a) _a = (a); \ __typeof__ (b) _b = (b); \ _a < _b ? _a : _b; \ }) #define max(a,b) \ ({ \ __typeof__ (a) _a = (a); \ __typeof__ (b) _b = (b); \ _a > _b ? _a : _b; \ }) /* Compat */ #define copy_filep(src,dst) fcopyfile(src,dst) #define pidfile_read_pid(file) pifile_read(file) #define signal_pidfile(file,signo) pidfile_signal(file,signo) #endif /* LITE_H_ */ /** * Local Variables: * version-control: t * indent-tabs-mode: t * c-file-style: "linux" * End: */