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	mail_counter.c (1771B)
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	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