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/*
* 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 */
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