Some new ASC files support 6 digits in decimal place.

Added new option '-4' to generate 'old-style' ASC files.

diff --git a/log2asc.c b/log2asc.c
index 914a396..1773481 100644 (file)
--- a/log2asc.c
+++ b/log2asc.c
@@ -64,6 +64,7 @@ void print_usage(char *prg)
     fprintf(stderr, "Usage: %s [can-interfaces]\n", prg);
     fprintf(stderr, "Options: -I <infile>  (default stdin)\n");
     fprintf(stderr, "         -O <outfile> (default stdout)\n");
+    fprintf(stderr, "         -4 (reduce decimal place to 4 digits)\n");
     fprintf(stderr, "         -n (set newline to cr/lf - default lf)\n");
 }
 
@@ -75,9 +76,9 @@ int main(int argc, char **argv)
     static struct timeval tv, start_tv;
     FILE *infile = stdin;
     FILE *outfile = stdout;
-    static int maxdev, devno, i, crlf, opt;
+    static int maxdev, devno, i, crlf, d4, opt;
 
-    while ((opt = getopt(argc, argv, "I:O:n")) != -1) {
+    while ((opt = getopt(argc, argv, "I:O:4n")) != -1) {
        switch (opt) {
        case 'I':
            infile = fopen(optarg, "r");
@@ -99,6 +100,10 @@ int main(int argc, char **argv)
            crlf = 1;
            break;
 
+       case '4':
+           d4 = 1;
+           break;
+
        default:
            fprintf(stderr, "Unknown option %c\n", opt);
            print_usage(basename(argv[0]));
@@ -148,7 +153,11 @@ int main(int argc, char **argv)
                tv.tv_sec--, tv.tv_usec += 1000000;
            if (tv.tv_sec < 0)
                tv.tv_sec = tv.tv_usec = 0;
-           fprintf(outfile, "%4ld.%04ld ", tv.tv_sec, tv.tv_usec/100);
+
+           if (d4)
+               fprintf(outfile, "%4ld.%04ld ", tv.tv_sec, tv.tv_usec/100);
+           else
+               fprintf(outfile, "%4ld.%06ld ", tv.tv_sec, tv.tv_usec);
 
            fprintf(outfile, "%-2d ", devno); /* channel number left aligned */