diff --git a/stripspace.c b/stripspace.c
index 96cd0a88f0ba0c06da81d4cdb83a482d82ecdd23..65a6346452bb924d203724a9bfeb1c4ed98025e1 100644 (file)
--- a/stripspace.c
+++ b/stripspace.c
* Remove empty lines from the beginning and end.
*
* Turn multiple consecutive empty lines into just one
* 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);
{
int len = strlen(line);
- if (len > 1 && line[len-1] == '\n') {
+ if (len && line[len-1] == '\n') {
+ if (len == 1)
+ return 0;
do {
unsigned char c = line[len-2];
if (!isspace(c))
do {
unsigned char c = line[len-2];
if (!isspace(c))
len--;
line[len] = 0;
} while (len > 1);
len--;
line[len] = 0;
} while (len > 1);
+ return 0;
}
}
+ return 1;
}
int main(int argc, char **argv)
{
int empties = -1;
}
int main(int argc, char **argv)
{
int empties = -1;
+ int incomplete = 0;
char line[1024];
while (fgets(line, sizeof(line), stdin)) {
char line[1024];
while (fgets(line, sizeof(line), stdin)) {
- cleanup(line);
+ incomplete = cleanup(line);
/* Not just an empty line? */
if (line[0] != '\n') {
/* Not just an empty line? */
if (line[0] != '\n') {
continue;
empties++;
}
continue;
empties++;
}
+ if (incomplete)
+ putchar('\n');
return 0;
}
return 0;
}