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-rw-r--r--src/sort.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/src/sort.c b/src/sort.c
index 2e6ce877d..f48d727df 100644
--- a/src/sort.c
+++ b/src/sort.c
@@ -1,5 +1,5 @@
/* sort - sort lines of text (with all kinds of options).
- Copyright (C) 1988, 1991-2008 Free Software Foundation, Inc.
+ Copyright (C) 1988, 1991-2009 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -2602,18 +2602,20 @@ avoid_trashing_input (struct sortfile *files, size_t ntemps,
pid_t pid;
char *temp = create_temp (&tftp, &pid);
size_t num_merged = 0;
- while (i + num_merged < nfiles)
+ do
{
num_merged += mergefiles (&files[i], 0, nfiles - i, tftp, temp);
files[i].name = temp;
files[i].pid = pid;
- memmove(&files[i], &files[i + num_merged],
- num_merged * sizeof *files);
+ if (i + num_merged < nfiles)
+ memmove(&files[i + 1], &files[i + num_merged],
+ num_merged * sizeof *files);
ntemps += 1;
nfiles -= num_merged - 1;;
i += num_merged;
}
+ while (i < nfiles);
}
}