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/* fireload_file .. accesory to wmfire - Zinx Verituse */
/* e-mail @ zinx@linuxfreak.com */
#include <config.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <time.h>
#include <string.h>
float getheight(char *scanstring, char *filename) {
char buffer[1024], *num;
FILE *f;
int ch;
float numf;
if (!(f = fopen(filename, "r"))) return 100;
for (; *scanstring && !feof(f); scanstring++) {
switch (*scanstring) {
case '%':
if (scanstring[1] == 's') {
while (!feof(f) && isspace(ch = fgetc(f)));
while (!feof(f) && !isspace(ch = fgetc(f)));
scanstring++;
}
break;
default:
while (!feof(f) && (ch = fgetc(f)) != *scanstring);
break;
}
}
if (feof(f)) {
fclose(f);
return 100;
}
/* Premature EOF */
fgets(buffer, 1024, f);
num = buffer + strspn(buffer, " \t\n");
num[strcspn(num, " \t\n")] = 0;
numf = atof(num);
fclose(f);
return numf;
}
void do_help(char *prgname) {
printf("%s -F <file> -S <string> -m <minimum> -x <maximum>\n", prgname);
}
char *showfmt(float num) {
static char show[64];
char *ext[] = { "", "K", "M", "G" };
int extn;
for (extn = 0; (num >= 1024) && extn < 3; extn++, num /= 1024) ;
snprintf(show, 64, "%.1f%s", num, ext[extn]);
return show;
}
int main(int argc, char *argv[]) {
int ch;
float min = 0, max = 0, num;
char *filename = NULL, *scanstr = NULL;
while ((ch = getopt(argc, argv, "F:S:m:x:h")) != EOF) {
switch (ch) {
case 'F':
filename = optarg;
break;
case 'S':
scanstr = optarg;
break;
case 'm':
min = atof(optarg);
break;
case 'x':
max = atof(optarg);
break;
default:
do_help(argv[0]);
exit(0);
break;
}
}
if (!filename || !scanstr || !(max - min)) {
do_help(argv[0]);
exit(-1);
}
printf("fireload\t%f\t%f\n", min, max); fflush(stdout);
for (;;) {
num = getheight(scanstr, filename);
printf("%f\t%s\n", num, showfmt(num)); fflush(stdout);
usleep(100000);
}
exit(0);
}
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