feat: Function to write tags by themselvesHEADmain

Added a function to write tags by themselves as a shorthand since
writing tags only is useful.

1 files changed, 13 insertions, 1 deletions

diff --git a/src/matfile.c b/src/matfile.c
index c6da630..85af901 100644
--- a/src/matfile.c
+++ b/src/matfile.c
@@ -32,8 +32,16 @@ bool write_header(FILE *file) {
     return (status == sizeof(header));
 }
 
+bool write_tag(FILE *file, mTag_t tag) {
+    if (file == NULL) {
+        return false;
+    }
+
+    return (fwrite((const void *)&tag, 1, sizeof(tag), file) == sizeof(tag));
+}
+
 bool write_data(FILE *file, const mData_t data) {
-    if (data.data == NULL) {
+    if (data.data == NULL || file == NULL) {
         return false;
     }
 
@@ -51,6 +59,10 @@ bool write_data(FILE *file, const mData_t data) {
 }
 
 bool write_small_data(FILE *file, const mSmallData_t data) {
+    if (file == NULL) {
+        return false;
+    }
+
     const size_t w = fwrite((const void *)&data, 1, sizeof(data), file);
 
     return (w == sizeof(data));