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can-utils
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Autodetect us or ns logfiles

Rikus Wessels 2025-07-12 22:31:03 +02:00
parent f69fccd528
commit 81dd2ff511
3 changed files with 40 additions and 13 deletions
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30
canplayer.c
View File

@ -452,14 +452,20 @@ int main(int argc, char **argv)
return 1; return 1;
} }
log_tv.tv_sec = sec; log_tv.tv_sec = sec;
log_tv.tv_usec = usec;
/* /*
* ensure the fractions of seconds are 6 decimal places long to catch * ensure the fractions of seconds are 6 or 9 decimal places long to catch
* 3rd party or handcrafted logfiles that treat the timestamp as float * 3rd party or handcrafted logfiles that treat the timestamp as float
*/ */
if (strchr(buf, ')') - strchr(buf, '.') != 7) { switch (strchr(buf, ')') - strchr(buf, '.')) {
fprintf(stderr, "timestamp format in logfile requires 6 decimal places\n"); case 7: //6
log_tv.tv_usec = usec;
break;
case 10: //9
log_tv.tv_usec = usec / 1000;
break;
default:
fprintf(stderr, "timestamp format in logfile requires 6 or 9 decimal places\n");
return 1; return 1;
} }
@ -541,19 +547,25 @@ int main(int argc, char **argv)
break; break;
} }
if (sscanf(buf, "(%llu.%llu) %s %s", &sec, &usec, device, afrbuf) != 4) { if (sscanf(buf, "(%llu.%llu) %21s %6299s", &sec, &usec, device, afrbuf) != 4) {
fprintf(stderr, "incorrect line format in logfile\n"); fprintf(stderr, "incorrect line format in logfile\n");
return 1; return 1;
} }
log_tv.tv_sec = sec; log_tv.tv_sec = sec;
log_tv.tv_usec = usec;
/* /*
* ensure the fractions of seconds are 6 decimal places long to catch * ensure the fractions of seconds are 6 or 9 decimal places long to catch
* 3rd party or handcrafted logfiles that treat the timestamp as float * 3rd party or handcrafted logfiles that treat the timestamp as float
*/ */
if (strchr(buf, ')') - strchr(buf, '.') != 7) { switch (strchr(buf, ')') - strchr(buf, '.')) {
fprintf(stderr, "timestamp format in logfile requires 6 decimal places\n"); case 7: //6
log_tv.tv_usec = usec;
break;
case 10: //9
log_tv.tv_usec = usec / 1000;
break;
default:
fprintf(stderr, "timestamp format in logfile requires 6 or 9 decimal places\n");
return 1; return 1;
} }

17
log2asc.c
View File

@ -407,7 +407,22 @@ int main(int argc, char **argv)
} }
} }
tv.tv_sec = sec; tv.tv_sec = sec;
tv.tv_usec = usec;
/*
* ensure the fractions of seconds are 6 or 9 decimal places long to catch
* 3rd party or handcrafted logfiles that treat the timestamp as float
*/
switch (strchr(buf, ')') - strchr(buf, '.')) {
case 7: //6
tv.tv_usec = usec;
break;
case 10: //9
tv.tv_usec = usec / 1000;
break;
default:
fprintf(stderr, "timestamp format in logfile requires 6 or 9 decimal places\n");
return 1;
}
if (print_banner) { /* print banner */ if (print_banner) { /* print banner */
print_banner = 0; print_banner = 0;

6
log2long.c
View File

@ -51,7 +51,7 @@
#include "lib.h" #include "lib.h"
#define DEVSZ 22 #define DEVSZ 22
#define TIMESZ 22 /* sizeof("(1345212884.318850) ") */ #define TIMESZ 25 /* sizeof("(1345212884.318850123) ") */
#define BUFSZ (DEVSZ + AFRSZ + TIMESZ) #define BUFSZ (DEVSZ + AFRSZ + TIMESZ)
/* adapt sscanf() functions below on error */ /* adapt sscanf() functions below on error */
@ -61,7 +61,7 @@
#if (DEVSZ != 22) #if (DEVSZ != 22)
#error "DEVSZ value does not fit sscanf restrictions!" #error "DEVSZ value does not fit sscanf restrictions!"
#endif #endif
#if (TIMESZ != 22) #if (TIMESZ != 25)
#error "TIMESZ value does not fit sscanf restrictions!" #error "TIMESZ value does not fit sscanf restrictions!"
#endif #endif
@ -78,7 +78,7 @@ int main(void)
return 1; return 1;
} }
if (sscanf(buf, "%21s %21s %6299s", timestamp, device, afrbuf) != 3) if (sscanf(buf, "%24s %21s %6299s", timestamp, device, afrbuf) != 3)
return 1; return 1;
mtu = parse_canframe(afrbuf, &cu); mtu = parse_canframe(afrbuf, &cu);