Fichiers audio, journal, annales

cours/audio/buffer.h

@@ -0,0 +1,27 @@
+#ifndef BUFFER_H
+#define BUFFER_H
+
+#include <sys/types.h>
+
+/* A simple type of append-only buffers. */
+
+typedef struct buffer {
+  unsigned char *data;
+  size_t size;
+  size_t occupancy;
+} buffer_t;
+
+void *malloc_checked(size_t size);
+char *strdup_checked(const char *);
+
+buffer_t *buffer_alloc(size_t initial_size);
+void buffer_free(buffer_t *buff);
+
+void buffer_write(buffer_t *buff, void *data, size_t data_size);
+
+#define buffer_foreach(ty, var, buffer)                          \
+  for (ty *var = (ty *)buffer->data;                             \
+       var < (ty *)(buffer->data + buffer->occupancy);           \
+       var++)
+
+#endif  /* BUFFER_H */