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#include <sys/types.h>
#include <string.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/fcntl.h>
#include "i3status.h"
/*
* Reads size bytes into the destination buffer from filename.
*
*/
void slurp(char *filename, char *destination, int size) {
int fd;
if ((fd = open(filename, O_RDONLY)) == -1)
die("Could not open \"%s\"\n", filename);
(void)read(fd, destination, size);
(void)close(fd);
}
/*
* 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, ...) {
char buffer[512];
va_list ap;
va_start(ap, fmt);
(void)vsnprintf(buffer, sizeof(buffer), fmt, ap);
va_end(ap);
if (wmii_path != NULL)
write_error_to_statusbar(buffer);
else
fprintf(stderr, "%s", buffer);
exit(EXIT_FAILURE);
}
/*
* This function just concats two strings in place, it should only be used
* for concatting order to the name of a file or concatting color codes.
* Otherwise, the buffer size would have to be increased.
*
*/
char *concat(const char *str1, const char *str2) {
static char concatbuf[32];
(void)snprintf(concatbuf, sizeof(concatbuf), "%s%s", str1, str2);
return concatbuf;
}
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