diff options
| -rw-r--r-- | src/align_detector.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/align_detector.c b/src/align_detector.c index d24bc8b7..49d3afac 100644 --- a/src/align_detector.c +++ b/src/align_detector.c @@ -31,6 +31,8 @@ #include <config.h> #endif +#include <sys/types.h> +#include <sys/stat.h> #include <unistd.h> #include <stdlib.h> #include <stdio.h> @@ -185,6 +187,29 @@ static int make_zero_sum(FILE *fh, struct dg_group_info *groups, int n_groups, } +static void print_time_warning() +{ + ERROR("\n\n"); + ERROR("WARNING: The modification times of the Mille data files differ " + "by more than one minute.\n"); + ERROR("This suggests that they might have come from different runs of " + "indexamajig.\n"); + ERROR("If this is not the case, then there is no problem and you can " + "ignore this warning.\n"); + ERROR("However, if Mille files have been mixed up between indexamajig " + "runs, then the detector alignment results will be wrong.\n"); + ERROR("\n\n"); +} + + +static int different(time_t a, time_t b) +{ + if ( a-b > 60 ) return 1; + if ( b-a > 60 ) return 1; + return 0; +} + + int main(int argc, char *argv[]) { int c; @@ -199,6 +224,8 @@ int main(int argc, char *argv[]) int n_groups; int r; char line[256]; + time_t first_mtime = 0; + int warn_times = 0; /* Long options */ const struct option longopts[] = { @@ -273,9 +300,28 @@ int main(int argc, char *argv[]) } for ( i=optind; i<argc; i++ ) { + + struct stat statbuf; + + r = stat(argv[i], &statbuf); + if ( r != 0 ) { + ERROR("File '%s' not found\n", argv[i]); + return 1; + } + + if ( i == optind ) { + first_mtime = statbuf.st_mtim.tv_sec; + } else { + if ( different(statbuf.st_mtim.tv_sec, first_mtime) ) { + warn_times = 1; + } + } + fprintf(fh, "%s\n", argv[i]); } + if ( warn_times ) print_time_warning(); + dtempl = data_template_new_from_file(in_geom); groups = data_template_group_info(dtempl, &n_groups); @@ -454,5 +500,7 @@ int main(int argc, char *argv[]) data_template_write_to_file(dtempl, out_geom); + if ( warn_times ) print_time_warning(); + return 0; } |