minor changes and actually exiting w/ return code

1 files changed, 5 insertions, 5 deletions

diff --git a/badroff.c b/badroff.c
index 8a7f825..3d715fb 100644
--- a/badroff.c
+++ b/badroff.c
@@ -56,7 +56,7 @@ char* cmd(void){
     if (!strncmp(dat, "CT ", 3)){
         return center(dat+3);
     }
-    return "";
+    return NULL;
 }
 
 char* typeset(void){
@@ -68,13 +68,12 @@ char* line(void){
     if ( (sz = fillbuf(2)) == 0)
         return "";
     char* twobytes = peekstrbuf(inbuf, 0, 2); // .., .\n, or ^.?
-    if (sz == 1) return typeset();
-    if (twobytes[0] == '.' && twobytes[1] == '\n') return typeset();
+    if (sz == 1 || twobytes[1] == '\n') return typeset();
     if (twobytes[0] == '.') popchrbuf(inbuf);
     if (twobytes[0] == '.' && twobytes[1] != '.'){
         char* data = cmd();
-        if (data[0] != '\0') return data;
-        else return line();
+        if (data) return data;
+        return line();
     } else {
         return typeset();
     }
@@ -93,4 +92,5 @@ int main(int argc, char** argv){
         printf("%s",out);
     }
     fclose(in);
+    return 0;
 }