save

core/e.c

@@ -0,0 +1,11 @@
+#include "e.h"
+#include "print.h"
+#include <stdlib.h>
+
+error_t unwrap(error_t err) {
+  if (!err.null) {
+    printfn("error: %s", err.src);
+    exit(err.status);
+  }
+  return err;
+}

core/e.h

@@ -1,9 +1,14 @@
 #ifndef ERROR_H
 #define ERROR_H
 
+#include <stdbool.h>
+
 typedef struct {
-  int stat;
+  bool null;
+  int status;
   const char *src;
 } error_t;
 
+error_t unwrap(error_t);
+
 #endif

core/file.c

@@ -4,19 +4,49 @@
 #include <stdarg.h>
 #include <stdio.h>
 #include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+error_t touch(char *path, char *format, ...) {
+  error_t err = {0};
+  err.null = true; // success by default
 
-error_t write(char *path, char *format, ...) {
-  error_t err;
   va_list args;
   va_start(args, format);
-  FILE *fp;
-  fp = fopen(path, "w");
+
+  FILE *fp = fopen(path, "w");
   if (!fp) {
-    err.stat = errno;
+    err.null = false;
+    err.status = errno;
     err.src = strerror(errno);
+    va_end(args);
+    return err;
   }
+
   vfprintf(fp, format, args);
   fclose(fp);
+
   va_end(args);
   return err;
 }
+
+error_t dir(char *format, ...) {
+  error_t err = {0};
+  err.null = true; // success by default
+
+  va_list args;
+  va_start(args, format);
+
+  char path[1024];
+  vsnprintf(path, sizeof(path), format, args);
+
+  va_end(args);
+
+  if (mkdir(path, 0777) < 0) {
+    err.null = false;
+    err.status = errno;
+    err.src = strerror(errno);
+  }
+
+  return err;
+}

core/file.h

@@ -2,8 +2,13 @@
 #define FILE_H
 
 #include "e.h"
+#include <unistd.h>
 
-error_t write(char *, char *, ...);
-void printfn(char *, ...);
+#define take(x, ...)                                                           \
+  dir(x, ##__VA_ARGS__);                                                       \
+  chdir(x);
+
+error_t touch(char *, char *, ...);
+error_t dir(char *, ...);
 
 #endif