/* Collection of frog DNA
*
* Copyright (c) 2008-2010 Claudio Matsuoka <cmatsuoka@gmail.com>
* Copyright (c) 2008-2016 Joachim Nilsson <troglobit@gmail.com>
*
* 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 <err.h>
#include <stdio.h>
#include <stdint.h> /* uint8_t, uint16_t, uint32_t, INT32_MAX, etc. */
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/param.h> /* MAX(), isset(), setbit(), TRUE, FALSE, et consortes. :-) */
#include <unistd.h>
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:
*/
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