single file madness

3 files changed, 26 insertions, 35 deletions

diff --git a/src/drain.c b/src/drain.c
deleted file mode 100644
index 6d9bd43..0000000
--- a/src/drain.c
+++ /dev/null
@@ -1,30 +0,0 @@
-#include "drain.h"
-#include <stdio.h>
-#include <stdlib.h>
-
-char *
-drain(FILE *fp)
-{
-	if (fseek(fp, 0, SEEK_END) < 0) {
-		perror("drain:SEEK_END");
-		return NULL;
-	}
-	const long size = ftell(fp);
-	if (fseek(fp, 0, SEEK_SET) < 0) {
-		perror("drain:SEEK_SET");
-		return NULL;
-	}
-	char *const data = malloc(size + 1);
-	if (data == NULL) {
-		perror("drain:malloc");
-		return NULL;
-	}
-	if ((long)fread(data, 1, size, fp) != size) {
-		perror("drain:fread");
-		free(data);
-		return NULL;
-	}
-	data[size] = '\0';
-	return data;
-}
-
diff --git a/src/drain.h b/src/drain.h
deleted file mode 100644
index 830261a..0000000
--- a/src/drain.h
+++ /dev/null
@@ -1,4 +0,0 @@
-#pragma once
-#include <stdio.h>
-
-char *drain(FILE *fp);
diff --git a/src/main.c b/src/main.c
index fd3ead7..bd145ad 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,4 +1,3 @@
-#include "drain.h"
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -195,6 +194,32 @@ second_pass(char *s)
 	}
 }
 
+static char *
+drain(FILE *fp)
+{
+	if (fseek(fp, 0, SEEK_END) < 0) {
+		perror("drain:SEEK_END");
+		return NULL;
+	}
+	const long size = ftell(fp);
+	if (fseek(fp, 0, SEEK_SET) < 0) {
+		perror("drain:SEEK_SET");
+		return NULL;
+	}
+	char *const data = malloc(size + 1);
+	if (data == NULL) {
+		perror("drain:malloc");
+		return NULL;
+	}
+	if ((long)fread(data, 1, size, fp) != size) {
+		perror("drain:fread");
+		free(data);
+		return NULL;
+	}
+	data[size] = '\0';
+	return data;
+}
+
 int
 main(int argc, char **argv)
 {