shuf: do not use strings for -i RANGE case

function                                             old     new   delta
shuf_main                                            482     496     +14

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 5 insertions, 3 deletions

diff --git a/coreutils/shuf.c b/coreutils/shuf.c
index e0c2fbf1f..d1cd39db7 100644
--- a/coreutils/shuf.c
+++ b/coreutils/shuf.c
@@ -79,7 +79,6 @@ int shuf_main(int argc, char **argv)
         /* Prepare lines for shuffling - either: */
         if (opts & OPT_e) {
                 /* make lines from command-line arguments */
-
                 numlines = argc;
                 lines = argv;
         } else
@@ -103,7 +102,7 @@ int shuf_main(int argc, char **argv)
                 numlines = (hi+1) - lo;
                 lines = xmalloc(numlines * sizeof(lines[0]));
                 for (i = 0; i < numlines; i++) {
-                        lines[i] = xstrdup(utoa(lo));
+                        lines[i] = (char*)(uintptr_t)lo;
                         lo++;
                 }
         } else {
@@ -144,7 +143,10 @@ int shuf_main(int argc, char **argv)
                 eol = '\0';
 
         for (i = 0; i < numlines; i++) {
-                printf("%s%c", lines[i], eol);
+                if (opts & OPT_i)
+                        printf("%u%c", (unsigned)(uintptr_t)lines[i], eol);
+                else
+                        printf("%s%c", lines[i], eol);
         }
 
         fflush_stdout_and_exit(EXIT_SUCCESS);