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mail_counter.c (1771B)

      1 //  Fichier: dwmstatus.c                   
      2 //  Crée le 10 déc. 2012 22:28:11
      3 //  Dernière modification: 21 déc. 2012 16:25:16
      4 
      5 #define _BSD_SOURCE
      6 #define _GNU_SOURCE
      7 #include <unistd.h>
      8 #include <stdio.h>
      9 #include <stdlib.h>
     10 #include <stdarg.h>
     11 #include <string.h>
     12 #include <strings.h>
     13 #include <sys/time.h>
     14 #include <time.h>
     15 #include <sys/types.h>
     16 #include <sys/wait.h>
     17 #include <dirent.h>
     18 
     19 #include <X11/Xlib.h>
     20 
     21 static Display *dpy;
     22 
     23 char *
     24 smprintf(char *fmt, ...)
     25 {
     26 	va_list fmtargs;
     27 	char *buf = NULL;
     28 
     29 	va_start(fmtargs, fmt);
     30 	if (vasprintf(&buf, fmt, fmtargs) == -1){
     31 		fprintf(stderr, "malloc vasprintf\n");
     32 		exit(1);
     33     }
     34 	va_end(fmtargs);
     35 
     36 	return buf;
     37 }
     38 
     39 void
     40 setstatus(char *str)
     41 {
     42 	XStoreName(dpy, DefaultRootWindow(dpy), str);
     43 	XSync(dpy, False);
     44 }
     45 
     46 char *get_nmail(char *directory, char *label)
     47 {
     48     /* directory : Maildir path 
     49     * return label : number_of_new_mails
     50     */
     51     
     52     int n = 0;
     53     DIR* dir = NULL;
     54     struct dirent* rf = NULL;
     55 
     56     dir = opendir(directory); /* try to open directory */
     57     if (dir == NULL)
     58         perror("");
     59 
     60     while ((rf = readdir(dir)) != NULL) /*count number of file*/
     61     {
     62         if (strcmp(rf->d_name, ".") != 0 &&
     63             strcmp(rf->d_name, "..") != 0)
     64             n++;
     65     }
     66     closedir(dir);
     67 
     68     if (n == 0) 
     69        return smprintf("");
     70     else 
     71        return smprintf("%s%d",label, n);
     72 
     73 }
     74 
     75 int
     76 main(void)
     77 {
     78 	char *status;
     79     char *newmails;
     80     
     81 	if (!(dpy = XOpenDisplay(NULL))) {
     82 		fprintf(stderr, "dwmstatus: cannot open display.\n");
     83 		return 1;
     84 	}
     85 
     86 	for (;;sleep(60)) {
     87         newmails = get_nmail("/home/xavier/Maildir/laposte/new", "Mails:");
     88 
     89 
     90 		status = smprintf("%s",newmails);
     91 		setstatus(status);
     92 		free(newmails);
     93 		free(status);
     94 	}
     95 
     96 	XCloseDisplay(dpy);
     97 
     98 	return 0;
     99 }
    100