Add API version check macros

4 files changed, 13 insertions, 6 deletions

diff --git a/msvc/soxr-config.h b/msvc/soxr-config.h
index a1d507e..a158de4 100644
--- a/msvc/soxr-config.h
+++ b/msvc/soxr-config.h
@@ -7,7 +7,6 @@
 #if !defined soxr_config_included

 #define soxr_config_included

 

-#define SOXR_VERSION         "0.1.0"

 #define HAVE_SINGLE_PRECISION 1

 #define HAVE_DOUBLE_PRECISION 1

 #define HAVE_AVFFT            0

diff --git a/soxr-config.h.in b/soxr-config.h.in
index 21e6522..227bcfd 100644
--- a/soxr-config.h.in
+++ b/soxr-config.h.in
@@ -4,7 +4,6 @@
 #if !defined soxr_config_included
 #define soxr_config_included
 
-#define SOXR_VERSION         "@PROJECT_VERSION@"
 #define HAVE_SINGLE_PRECISION @HAVE_SINGLE_PRECISION@
 #define HAVE_DOUBLE_PRECISION @HAVE_DOUBLE_PRECISION@
 #define HAVE_AVFFT            @HAVE_AVFFT@
diff --git a/src/soxr.c b/src/soxr.c
index 8a9eca6..93dd9c1 100644
--- a/src/soxr.c
+++ b/src/soxr.c
@@ -14,7 +14,7 @@
 
 char const * soxr_version(void)
 {
-  return "libsoxr-" SOXR_VERSION;
+  return "libsoxr-" SOXR_THIS_VERSION_STR;
 }
 
 
diff --git a/src/soxr.h b/src/soxr.h
index aa7960d..1c0158f 100644
--- a/src/soxr.h
+++ b/src/soxr.h
@@ -60,10 +60,19 @@ input or output (e.g. ilen, olen).                                            */
 
 
 
+/* --------------------------- Version management --------------------------- */
+
+/* E.g. #if SOXR_THIS_VERSION >= SOXR_VERSION(0,1,1) ...                      */
+#define SOXR_VERSION(x,y,z)     (((x)<<16)|((y)<<8)|(z))
+#define SOXR_THIS_VERSION       SOXR_VERSION(0,1,0)
+#define SOXR_THIS_VERSION_STR               "0.1.0"
+
+
+
 /* --------------------------- Type declarations ---------------------------- */
 
-typedef struct soxr * soxr_t;        /* A resampler for 1 or more channels. */
-typedef char const * soxr_error_t;     /* 0:no-error; non-0:error. */
+typedef struct soxr * soxr_t;          /* A resampler for 1 or more channels. */
+typedef char const * soxr_error_t;                /* 0:no-error; non-0:error. */
 
 typedef void       * soxr_buf_t;  /* 1 buffer of channel-interleaved samples. */
 typedef void const * soxr_cbuf_t;                        /* Ditto; read-only. */
@@ -80,7 +89,7 @@ typedef void       * soxr_out_t;     /* Either a soxr_buf_t or soxr_bufs_t,
 
 /* --------------------------- API main functions --------------------------- */
 
-SOXR char const    * soxr_version(void);  /* Query library version: "x.y.z". */
+SOXR char const * soxr_version(void);  /* Query library version: "libsoxr-x.y.z" */
 
 #define soxr_strerror(e)               /* Soxr counterpart to strerror. */     \
     ((e)?(e):"no error")