nostrdb: pull latest, adding flatcc and lmdb

nostrdb/flatcc/support/readfile.h

@@ -0,0 +1,66 @@
+#ifndef READFILE_H
+#define READFILE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+
+static char *readfile(const char *filename, size_t max_size, size_t *size_out)
+{
+    FILE *fp;
+    long k;
+    size_t size, pos, n, _out;
+    char *buf;
+
+    size_out = size_out ? size_out : &_out;
+
+    fp = fopen(filename, "rb");
+    size = 0;
+    buf = 0;
+
+    if (!fp) {
+        goto fail;
+    }
+    fseek(fp, 0L, SEEK_END);
+    k = ftell(fp);
+    if (k < 0) goto fail;
+    size = (size_t)k;
+    *size_out = size;
+    if (max_size > 0 && size > max_size) {
+        goto fail;
+    }
+    rewind(fp);
+    buf = (char *)malloc(size ? size : 1);
+    if (!buf) {
+        goto fail;
+    }
+    pos = 0;
+    while ((n = fread(buf + pos, 1, size - pos, fp))) {
+        pos += n;
+    }
+    if (pos != size) {
+        goto fail;
+    }
+    fclose(fp);
+    *size_out = size;
+    return buf;
+
+fail:
+    if (fp) {
+        fclose(fp);
+    }
+    if (buf) {
+        free(buf);
+    }
+    *size_out = size;
+    return 0;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* READFILE_H */