1 files changed, 68 insertions, 0 deletions
diff --git a/src/printf.h b/src/printf.h
new file mode 100644
index 0000000..a8c5f2a
--- /dev/null
+++ b/src/printf.h
@@ -0,0 +1,68 @@
+/****************************************************************************
+ * bfs                                                                      *
+ * Copyright (C) 2017-2022 Tavian Barnes <tavianator@tavianator.com>        *
+ *                                                                          *
+ * Permission to use, copy, modify, and/or distribute this software for any *
+ * purpose with or without fee is hereby granted.                           *
+ *                                                                          *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES *
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF         *
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR  *
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES   *
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN    *
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF  *
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.           *
+ ****************************************************************************/
+
+/**
+ * Implementation of -printf/-fprintf.
+ */
+
+#ifndef BFS_PRINTF_H
+#define BFS_PRINTF_H
+
+#include "color.h"
+
+struct BFTW;
+struct bfs_ctx;
+struct bfs_expr;
+
+/**
+ * A printf command, the result of parsing a single format string.
+ */
+struct bfs_printf;
+
+/**
+ * Parse a -printf format string.
+ *
+ * @param ctx
+ *         The bfs context.
+ * @param expr
+ *         The expression to fill in.
+ * @param format
+ *         The format string to parse.
+ * @return
+ *         0 on success, -1 on failure.
+ */
+int bfs_printf_parse(const struct bfs_ctx *ctx, struct bfs_expr *expr, const char *format);
+
+/**
+ * Evaluate a parsed format string.
+ *
+ * @param cfile
+ *         The CFILE to print to.
+ * @param format
+ *         The parsed printf format.
+ * @param ftwbuf
+ *         The bftw() data for the current file.
+ * @return
+ *         0 on success, -1 on failure.
+ */
+int bfs_printf(CFILE *cfile, const struct bfs_printf *format, const struct BFTW *ftwbuf);
+
+/**
+ * Free a parsed format string.
+ */
+void bfs_printf_free(struct bfs_printf *format);
+
+#endif // BFS_PRINTF_H