1 files changed, 47 insertions, 0 deletions
diff --git a/src/auto-gid.c b/src/auto-gid.c
new file mode 100644
index 0000000..c5a39df
--- /dev/null
+++ b/src/auto-gid.c
@@ -0,0 +1,47 @@
+#include <unistd.h>
+#include <sys/types.h>
+#include <grp.h>
+#include "buffer.h"
+#include "exit.h"
+#include "scan.h"
+#include "fmt.h"
+
+char inbuf[256];
+buffer b = BUFFER_INIT(write,1,inbuf,sizeof(inbuf));
+
+void outs(char *s)
+{
+  if (buffer_puts(&b,s) == -1) _exit(111);
+}
+
+int main(int argc, char **argv)
+{
+  char *name;
+  char *value;
+  struct group *gr;
+  char strnum[FMT_ULONG];
+
+  name = argv[1];
+  if (!name) _exit(100);
+  value = argv[2];
+  if (!value) _exit(100);
+
+  gr = getgrnam(value);
+  if (!gr) {
+    buffer_puts(buffer_2,"fatal: unable to find group ");
+    buffer_puts(buffer_2,value);
+    buffer_puts(buffer_2,"\n");
+    buffer_flush(buffer_2);
+    _exit(111);
+  }
+
+  strnum[fmt_ulong(strnum,(unsigned long) gr->gr_gid)] = 0;
+
+  outs("int ");
+  outs(name);
+  outs(" = ");
+  outs(strnum);
+  outs(";\n");
+  if (buffer_flush(&b) == -1) _exit(111);
+  _exit(0);
+}