1 files changed, 44 insertions, 0 deletions
diff --git a/src/include/common/string.h b/src/include/common/string.h
new file mode 100644
index 0000000..977ef32
--- /dev/null
+++ b/src/include/common/string.h
@@ -0,0 +1,44 @@
+/*
+ *	string.h
+ *		string handling helpers
+ *
+ *	Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
+ *	Portions Copyright (c) 1994, Regents of the University of California
+ *
+ *	src/include/common/string.h
+ */
+#ifndef COMMON_STRING_H
+#define COMMON_STRING_H
+
+#include <signal.h>
+
+struct StringInfoData;			/* avoid including stringinfo.h here */
+
+typedef struct PromptInterruptContext
+{
+	/* To avoid including <setjmp.h> here, jmpbuf is declared "void *" */
+	void	   *jmpbuf;			/* existing longjmp buffer */
+	volatile sig_atomic_t *enabled; /* flag that enables longjmp-on-interrupt */
+	bool		canceled;		/* indicates whether cancellation occurred */
+} PromptInterruptContext;
+
+/* functions in src/common/string.c */
+extern bool pg_str_endswith(const char *str, const char *end);
+extern int	strtoint(const char *pg_restrict str, char **pg_restrict endptr,
+					 int base);
+extern char *pg_clean_ascii(const char *str, int alloc_flags);
+extern int	pg_strip_crlf(char *str);
+extern bool pg_is_ascii(const char *str);
+
+/* functions in src/common/pg_get_line.c */
+extern char *pg_get_line(FILE *stream, PromptInterruptContext *prompt_ctx);
+extern bool pg_get_line_buf(FILE *stream, struct StringInfoData *buf);
+extern bool pg_get_line_append(FILE *stream, struct StringInfoData *buf,
+							   PromptInterruptContext *prompt_ctx);
+
+/* functions in src/common/sprompt.c */
+extern char *simple_prompt(const char *prompt, bool echo);
+extern char *simple_prompt_extended(const char *prompt, bool echo,
+									PromptInterruptContext *prompt_ctx);
+
+#endif							/* COMMON_STRING_H */