From ee986164d354f4d7094f7e0fb4fcea31170f5661 Mon Sep 17 00:00:00 2001
From: Alessandro Iezzi <aiezzi@alessandroiezzi.it>
Date: Fri, 3 Feb 2023 22:41:09 +0100
Subject: Add function to get libraryversion

---
 Makefile      | 3 ++-
 src/string2.c | 6 ++++++
 src/string2.h | 5 +++--
 test/main.c   | 1 +
 test/test1.c  | 7 +++++++
 test/test1.h  | 1 +
 6 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index b3f85e3..c6643d4 100644
--- a/Makefile
+++ b/Makefile
@@ -5,8 +5,9 @@ SRC != find src -name '*.c'
 OBJ  = ${SRC:.c=.o}
 
 LIBNAME = libstr
+LIBVER  = 0.0.0a1
 
-CFLAGS  = -Wall -ansi --std=c89 -pedantic ${OPT}
+CFLAGS  = -Wall -ansi --std=c89 -pedantic ${OPT} -DLIBVER=\"${LIBVER}\"
 LDFLAGS =
 
 dist:
diff --git a/src/string2.c b/src/string2.c
index 332dbf7..6050ea2 100644
--- a/src/string2.c
+++ b/src/string2.c
@@ -44,3 +44,9 @@ strstarts(const char *str, const char *end)
 
 	return 0;
 }
+
+char *
+strlibver(void)
+{
+	return LIBVER;
+}
diff --git a/src/string2.h b/src/string2.h
index 4d79dfd..e927470 100644
--- a/src/string2.h
+++ b/src/string2.h
@@ -5,7 +5,8 @@
 
 #include <string.h>
 
-int		 strends(const char *, const char *);
-int		 strstarts(const char *, const char *);
+int             strends(const char *, const char *);
+int             strstarts(const char *, const char *);
+char           *strlibver(void);
 
 #endif /* __STRING2_H__ */
diff --git a/test/main.c b/test/main.c
index f6be903..25e1993 100644
--- a/test/main.c
+++ b/test/main.c
@@ -7,6 +7,7 @@ main(int argc, char **argv)
 {
 	test1();
 	test2();
+	test3();
 
 	return 0;
 }
diff --git a/test/test1.c b/test/test1.c
index 777aa5f..3f52c93 100644
--- a/test/test1.c
+++ b/test/test1.c
@@ -30,3 +30,10 @@ test2(void)
 
 	printf("OK\n");
 }
+
+void
+test3()
+{
+	printf("executing %s... OK\n", __func__);
+	printf("%s\n", strlibver());
+}
diff --git a/test/test1.h b/test/test1.h
index 1b88561..79bab4c 100644
--- a/test/test1.h
+++ b/test/test1.h
@@ -5,5 +5,6 @@
 
 void		 test1(void);
 void		 test2(void);
+void		 test3(void);
 
 #endif /* __TEST1_H__ */
-- 
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