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-rw-r--r--stripspace.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/stripspace.c b/stripspace.c
index 96cd0a8..dee1ef0 100644
--- a/stripspace.c
+++ b/stripspace.c
@@ -6,9 +6,9 @@
* Remove empty lines from the beginning and end.
*
* Turn multiple consecutive empty lines into just one
- * empty line.
+ * empty line. Return true if it is an incomplete line.
*/
-static void cleanup(char *line)
+static int cleanup(char *line)
{
int len = strlen(line);
@@ -21,16 +21,19 @@ static void cleanup(char *line)
len--;
line[len] = 0;
} while (len > 1);
+ return 0;
}
+ return 1;
}
int main(int argc, char **argv)
{
int empties = -1;
+ int incomplete = 0;
char line[1024];
while (fgets(line, sizeof(line), stdin)) {
- cleanup(line);
+ incomplete = cleanup(line);
/* Not just an empty line? */
if (line[0] != '\n') {
@@ -44,5 +47,7 @@ int main(int argc, char **argv)
continue;
empties++;
}
+ if (incomplete)
+ putchar('\n');
return 0;
}