bfstd: Support wordesc() without allocating

1 files changed, 31 insertions, 0 deletions

diff --git a/src/dstring.h b/src/dstring.h
index 2673f1b..88ca79f 100644
--- a/src/dstring.h
+++ b/src/dstring.h
@@ -8,6 +8,7 @@
 #ifndef BFS_DSTRING_H
 #define BFS_DSTRING_H
 
+#include "bfstd.h"
 #include "config.h"
 #include <stdarg.h>
 #include <stddef.h>
@@ -262,6 +263,36 @@ BFS_FORMATTER(2, 0)
 int dstrvcatf(char **str, const char *format, va_list args);
 
 /**
+ * Concatenate while shell-escaping.
+ *
+ * @param dest
+ *         The destination dynamic string.
+ * @param str
+ *         The string to escape.
+ * @param flags
+ *         Flags for wordesc().
+ * @return
+ *         0 on success, -1 on failure.
+ */
+int dstrescat(char **dest, const char *str, enum wesc_flags flags);
+
+/**
+ * Concatenate while shell-escaping.
+ *
+ * @param dest
+ *         The destination dynamic string.
+ * @param str
+ *         The string to escape.
+ * @param n
+ *         The maximum length of the string.
+ * @param flags
+ *         Flags for wordesc().
+ * @return
+ *         0 on success, -1 on failure.
+ */
+int dstrnescat(char **dest, const char *str, size_t n, enum wesc_flags flags);
+
+/**
  * Free a dynamic string.
  *
  * @param dstr