4 files changed, 63 insertions, 106 deletions

diff --git a/src/SDL2.c b/src/SDL2.c
index 4e51269..79b4e4a 100644
--- a/src/SDL2.c
+++ b/src/SDL2.c
@@ -6,9 +6,7 @@
 #include <stdio.h>
 
 #include "include.h"
-
-int module_openmpt(struct blob *file, struct userdata *userdata);
-int module_fluidsynth(struct blob *file, struct userdata *userdata);
+#include "common/common.h"
 
 #define eprintf(...) fprintf(stderr, __VA_ARGS__)
 
@@ -171,51 +169,3 @@ int main(int argc, char **argv) {
 	
 	return EXIT_SUCCESS;
 }
-
-int (*file_ext(char *file))(struct blob *, struct userdata *) {
-	size_t len = strlen(file);
-	#define ext(extension) memcmp(file + len - sizeof (extension) + 1, extension, sizeof (extension))
-	if ((ext(".mptm") && ext(".mod") && ext(".xm") && ext(".s3m") && ext(".it")) == 0) {
-		return module_openmpt;
-	} else if ((ext(".mid") && ext(".midi")) == 0) {
-		return module_fluidsynth;
-	}
-	#undef ext
-	return NULL;
-}
-
-struct blob load_file(char const *const name) {
-	const size_t START_SIZE = 1;
-	FILE *file = fopen(name, "rb");
-	if (file == NULL) {
-		return (struct blob) {.data = NULL};
-	}
-	void *data = malloc(START_SIZE);
-	size_t allocated = START_SIZE;
-	size_t used = 0;
-	while (1) {
-		size_t read = fread(data + used, 1, allocated - used, file);
-		if (read != allocated - used) {
-			used += read;
-			break;
-		}
-		used += read;
-		allocated *= 2;
-		void *const newdata = realloc(data, allocated);
-		if (newdata == NULL) {
-			goto realloc_error;
-		}
-		data = newdata;
-	}
-	void *const newdata = realloc(data, used);
-	if (newdata == NULL && used != 0) {
-		goto realloc_error;
-	}
-	fclose(file);
-	return (struct blob) {.data = newdata, .size = used};
-	
-	realloc_error:
-	free(data);
-	fclose(file);
-	return (struct blob) {.data = NULL};
-}
diff --git a/src/common/common.c b/src/common/common.c
new file mode 100644
index 0000000..508140d
--- /dev/null
+++ b/src/common/common.c
@@ -0,0 +1,54 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "../include.h"
+#include "common.h"
+
+int (*file_ext(char *file))(struct blob *, struct userdata *) {
+	size_t len = strlen(file);
+	#define ext(extension) memcmp(file + len - sizeof (extension) + 1, extension, sizeof (extension))
+	if ((ext(".mptm") && ext(".mod") && ext(".xm") && ext(".s3m") && ext(".it")) == 0) {
+		return module_openmpt;
+	} else if ((ext(".mid") && ext(".midi")) == 0) {
+		return module_fluidsynth;
+	}
+	#undef ext
+	return NULL;
+}
+
+struct blob load_file(char const *const name) {
+	const size_t START_SIZE = 1;
+	FILE *file = fopen(name, "rb");
+	if (file == NULL) {
+		return (struct blob) {.data = NULL};
+	}
+	void *data = malloc(START_SIZE);
+	size_t allocated = START_SIZE;
+	size_t used = 0;
+	while (1) {
+		size_t read = fread(data + used, 1, allocated - used, file);
+		if (read != allocated - used) {
+			used += read;
+			break;
+		}
+		used += read;
+		allocated *= 2;
+		void *const newdata = realloc(data, allocated);
+		if (newdata == NULL) {
+			goto realloc_error;
+		}
+		data = newdata;
+	}
+	void *const newdata = realloc(data, used);
+	if (newdata == NULL && used != 0) {
+		goto realloc_error;
+	}
+	fclose(file);
+	return (struct blob) {.data = newdata, .size = used};
+	
+	realloc_error:
+	free(data);
+	fclose(file);
+	return (struct blob) {.data = NULL};
+}
diff --git a/src/common/common.h b/src/common/common.h
new file mode 100644
index 0000000..806212a
--- /dev/null
+++ b/src/common/common.h
@@ -0,0 +1,7 @@
+#include "../include.h"
+
+int (*file_ext(char *file))(struct blob *, struct userdata *);
+struct blob load_file(char const *const name);
+
+int module_openmpt(struct blob *file, struct userdata *userdata);
+int module_fluidsynth(struct blob *file, struct userdata *userdata);
diff --git a/src/portaudio.c b/src/portaudio.c
index f4ca4b7..e8e9839 100644
--- a/src/portaudio.c
+++ b/src/portaudio.c
@@ -1,21 +1,15 @@
 #define SDL_MAIN_HANDLED
 #include <portaudio.h>
 
-#include <stdbool.h>
 #include <stdlib.h>
 #include <stdio.h>
-#include <string.h>
 #include <signal.h>
 
 #include "include.h"
-
-int module_openmpt(struct blob *file, struct userdata *userdata);
-int module_fluidsynth(struct blob *file, struct userdata *userdata);
+#include "common/common.h"
 
 #define eprintf(...) fprintf(stderr, __VA_ARGS__)
 
-static const int WINDOW_WIDTH = 160, WINDOW_HEIGHT = 90;
-
 volatile sig_atomic_t keep_going = 1;
 
 void sigint_handler(int sig_num) {
@@ -112,51 +106,3 @@ int main(int argc, char **argv) {
 	error:
 	return EXIT_FAILURE;
 }
-
-int (*file_ext(char *file))(struct blob *, struct userdata *) {
-	size_t len = strlen(file);
-	#define ext(extension) memcmp(file + len - sizeof (extension) + 1, extension, sizeof (extension))
-	if ((ext(".mptm") && ext(".mod") && ext(".xm") && ext(".s3m") && ext(".it")) == 0) {
-		return module_openmpt;
-	} else if ((ext(".mid") && ext(".midi")) == 0) {
-		return module_fluidsynth;
-	}
-	#undef ext
-	return NULL;
-}
-
-struct blob load_file(char const *const name) {
-	const size_t START_SIZE = 1;
-	FILE *file = fopen(name, "rb");
-	if (file == NULL) {
-		return (struct blob) {.data = NULL};
-	}
-	void *data = malloc(START_SIZE);
-	size_t allocated = START_SIZE;
-	size_t used = 0;
-	while (1) {
-		size_t read = fread(data + used, 1, allocated - used, file);
-		if (read != allocated - used) {
-			used += read;
-			break;
-		}
-		used += read;
-		allocated *= 2;
-		void *const newdata = realloc(data, allocated);
-		if (newdata == NULL) {
-			goto realloc_error;
-		}
-		data = newdata;
-	}
-	void *const newdata = realloc(data, used);
-	if (newdata == NULL && used != 0) {
-		goto realloc_error;
-	}
-	fclose(file);
-	return (struct blob) {.data = newdata, .size = used};
-	
-	realloc_error:
-	free(data);
-	fclose(file);
-	return (struct blob) {.data = NULL};
-}