initial commitHEADmaster

1 files changed, 78 insertions, 0 deletions

diff --git a/bin2c.c b/bin2c.c
new file mode 100644
index 0000000..3e6aaa2
--- /dev/null
+++ b/bin2c.c
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2024 dwlr <dweller@cabin.digital>
+ *
+ * BSD 3-Clause License (BSD-3-Clause)
+ * See LICENSE for details
+ */
+
+#define _XOPEN_SOURCE 500
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+
+
+int main(int argc, char** argv)
+{
+    int   rc  = 0;
+    int   ret = EXIT_SUCCESS;
+    FILE* in  = stdin;
+    FILE* out = stdout;
+    const char* name  = "stdin";
+    char buffer[4096] = {0};
+    size_t got = 0;
+
+    if(argc == 2)
+    {
+        name = argv[1];
+        in = fopen(name, "r");
+        if(!in)
+        {
+            perror("fopen");
+            exit(EXIT_FAILURE);
+        }
+
+        rc = snprintf(buffer, sizeof(buffer) - 1, "%s.h", name);
+        if(rc < 0)
+        {
+            perror("snprintf");
+            exit(EXIT_FAILURE);
+        }
+
+        out = fopen(buffer, "w");
+        if(!out)
+        {
+            perror("fopen");
+            fclose(in);
+            exit(EXIT_FAILURE);
+        }
+
+    }
+    else if(argc > 2) fprintf(stderr, "warning: ignoring excess paramters\n");
+
+    for(;;)
+    {
+        size_t i;
+
+        got = fread(buffer, 1, sizeof(buffer), in);
+        rc  = ferror(in);
+        if(rc)
+        {
+            perror("fread");
+            ret = EXIT_FAILURE;
+            goto end;
+        }
+
+        for(i = 0; i < got; i++) fprintf(out, "'\\x%02x',", (unsigned char)buffer[i]);
+
+        rc = feof(in);
+        if(rc) break;
+    }
+
+    fprintf(out, "\n");
+
+end:
+    fclose(in);
+    fclose(out);
+    return ret;
+}