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// vim:ts=4:sw=4:expandtab
#include <config.h>
#include <sys/types.h>
#include <string.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/fcntl.h>
#include <sys/stat.h>
#include "i3status.h"
/*
* Reads size bytes into the destination buffer from filename.
*
* On success, true is returned. Otherwise, false is returned and the content
* of destination is left untouched.
*
*/
bool slurp(const char *filename, char *destination, int size) {
int fd;
if ((fd = open(filename, O_RDONLY)) == -1)
return false;
/* We need one byte for the trailing 0 byte */
int n = read(fd, destination, size - 1);
if (n != -1)
destination[n] = '\0';
(void)close(fd);
return n != -1;
}
/*
* Skip the given character for exactly 'amount' times, returns
* a pointer to the first non-'character' character in 'input'.
*
*/
char *skip_character(char *input, char character, int amount) {
char *walk;
size_t len = strlen(input);
int blanks = 0;
for (walk = input; ((size_t)(walk - input) < len) && (blanks < amount); walk++)
if (*walk == character)
blanks++;
return (walk == input ? walk : walk - 1);
}
/*
* Write errormessage to statusbar and exit
*
*/
void die(const char *fmt, ...) {
va_list ap;
va_start(ap, fmt);
(void)vfprintf(stderr, fmt, ap);
va_end(ap);
exit(EXIT_FAILURE);
}
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