wip

file.c

@@ -0,0 +1,78 @@
+/*  file.c
+ *
+ *  The routines in this file handle the reading, writing
+ *  and lookup of disk files. All of details about the
+ *  reading and writing of the disk are in "fileio.c".
+ *
+ *  written by vx-clutch
+ */
+
+#include <errno.h>
+#include <libgen.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "file.h"
+#include "globals.h"
+
+int ffwrite(char *path, char *fmt, ...) {
+  FILE *f;
+  va_list ap;
+  int r;
+
+  f = fopen(path, "w");
+  if (!f)
+    return -1;
+
+  va_start(ap, fmt);
+  r = vfprintf(f, fmt, ap);
+  va_end(ap);
+
+  fclose(f);
+  return r < 0 ? -1 : 0;
+}
+
+int fmkdir(char *fmt, ...)
+{
+  va_list ap;
+  char path[NPAT];
+  char tmp[NPAT];
+  char *p;
+
+  va_start(ap, fmt);
+  vsnprintf(path, sizeof(path), fmt, ap);
+  va_end(ap);
+
+  strncpy(tmp, path, sizeof(tmp) - 1);
+  tmp[sizeof(tmp) - 1] = '\0';
+
+  for (p = tmp + 1; *p; p++) {
+    if (*p == '/') {
+      *p = '\0';
+      if (mkdir(tmp, 0755) < 0 && errno != EEXIST)
+        return -1;
+      *p = '/';
+    }
+  }
+
+  if (mkdir(tmp, 0755) < 0 && errno != EEXIST)
+    return -1;
+
+  return 0;
+}
+
+int ffexist(char *fmt, ...) {
+  char path[NPAT];
+  va_list ap;
+  struct stat st;
+
+  va_start(ap, fmt);
+  vsnprintf(path, sizeof(path), fmt, ap);
+  va_end(ap);
+
+  return stat(path, &st) == 0;
+}