Add examples/open.c

2 files changed, 51 insertions, 1 deletions

diff --git a/examples/Makefile b/examples/Makefile
index 52755fd..20adaea 100644
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -7,7 +7,7 @@ INCLUDE_PATH	= ../include
 CFLAGS		+= -I$(INCLUDE_PATH)
 LDFLAGS		+= -L../src -lxas -lm
 
-EXAMPLES	= test
+EXAMPLES	= test open
 
 all: $(EXAMPLES)
 
diff --git a/examples/open.c b/examples/open.c
new file mode 100644
index 0000000..45cd2e5
--- /dev/null
+++ b/examples/open.c
@@ -0,0 +1,50 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <sysexits.h>
+#include <fcntl.h>
+#include <math.h>
+
+#include <xas/riff.h>
+
+static void usage(int argc, char **argv, const char *message, ...) {
+    va_list args;
+
+    va_start(args, message);
+
+    if (message) {
+        vfprintf(stderr, message, args);
+        fputc('\n', stderr);
+    }
+
+    va_end(args);
+
+    fprintf(stderr, "usage: %s file.wav\n", argv[0]);
+
+    exit(EX_USAGE);
+}
+
+int main(int argc, char **argv) {
+    xas_audio_stream *wave;
+
+    if (argc != 2) {
+        usage(argc, argv, "No input file provided");
+    }
+
+    if ((wave = xas_riff_file_open(argv[1], O_RDONLY)) == NULL) {
+        goto error_riff_file_open;
+    }
+
+    printf("channels %zu sample rate %zu sample size %zu\n",
+           wave->channels,
+           wave->sample_rate,
+           wave->sample_size);
+
+    xas_audio_stream_destroy(wave);
+
+    return EX_OK;
+
+error_riff_file_open:
+    return EX_OSERR;
+}