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