Parse filename until first space then print the rest of the line after file

inclusion

This is the same behaviour of heirloom's soelim

usr.bin/soelim/soelim.c

@@ -108,11 +108,12 @@ soelim_file(FILE *f, int flag)
 		while (isspace(*walk))
 			walk++;
 
-		cp = walk + strlen(walk) - 1;
-		while (cp > walk && isspace(*cp)) {
+		cp = walk;
+		while (*cp != '\0' && !isspace(*cp))
+			cp++;
 		*cp = 0;
-			cp--;
-		}
+		if (cp < line + linelen)
+			cp++;
 
 		if (*walk == '\0') {
 			printf("%s", line);
@@ -122,6 +123,8 @@ soelim_file(FILE *f, int flag)
 			free(line);
 			return (1);
 		}
+		if (*cp != '\0')
+			printf("%s", cp);
 	}
 
 	free(line);

usr.bin/soelim/tests/Makefile

@@ -7,7 +7,9 @@ ATF_TESTS_SH=	soelim
 FILES=		nonexisting.in \
 		basic.in \
 		basic \
-		basic.out
+		basic.out \
+		basic-with-space.in \
+		basic-with-space.out
 FILESDIR=	${TESTSDIR}
 
 .include <bsd.test.mk>

usr.bin/soelim/tests/basic-with-space.in

@@ -0,0 +1,3 @@
+This is a test
+.so basic something
+end

usr.bin/soelim/tests/basic-with-space.out

@@ -0,0 +1,4 @@
+This is a test
+basic has been included
+something
+end

usr.bin/soelim/tests/soelim.sh

@@ -87,6 +87,13 @@ files_body()
 		-e empty \
 		-s exit:0 \
 		soelim -I$(atf_get_srcdir) $(atf_get_srcdir)/basic.in
+
+	atf_check \
+		-o file:$(atf_get_srcdir)/basic-with-space.out \
+		-e empty \
+		-s exit:0 \
+		soelim -I$(atf_get_srcdir) $(atf_get_srcdir)/basic-with-space.in
+
 }
 
 atf_init_test_cases()