common.c - system76-tools - collection of utilities for system76 laptops
  HTML git clone https://git.parazyd.org/system76-tools
   DIR Log
   DIR Files
   DIR Refs
   DIR README
   DIR LICENSE
       ---
       common.c (745B)
       ---
            1 #include <stdarg.h>
            2 #include <stdio.h>
            3 #include <stdlib.h>
            4 #include <string.h>
            5 
            6 void die(const char *fmt, ...)
            7 {
            8         va_list ap;
            9 
           10         va_start(ap, fmt);
           11         vfprintf(stderr, fmt, ap);
           12         va_end(ap);
           13 
           14         if (fmt[0] && fmt[strlen(fmt)-1] == ':') {
           15                 fputc(' ', stderr);
           16                 perror(NULL);
           17         } else {
           18                 fputc('\n', stderr);
           19         }
           20 
           21         exit(1);
           22 }
           23 
           24 int write_oneshot_str(const char *path, const char *text)
           25 {
           26         FILE *fd;
           27 
           28         if ((fd = fopen(path, "w")) == NULL)
           29                 return 1;
           30 
           31         fputs(text, fd);
           32         fclose(fd);
           33 
           34         fprintf(stderr, "%s: %s\n", path, text);
           35         return 0;
           36 }
           37 
           38 int write_oneshot_int(const char *path, int value)
           39 {
           40         FILE *fd;
           41 
           42         if ((fd = fopen(path, "w")) == NULL)
           43                 return 1;
           44 
           45         fprintf(fd, "%d", value);
           46         fclose(fd);
           47 
           48         fprintf(stderr, "%s: %d\n", path, value);
           49         return 0;
           50 }