-
-/*
- * prototypes.h -- various prototypes
+/* prototypes.h -- various prototypes
*
* If you modify functions here, please document their current behavior
* as much as practical.
/*
* prototype from config.h
*/
-char *etcpath(char *);
+char *etcpath(char *) NONNULL(1);
/*
* prototypes from the nmh subroutine library
struct msgs_array;
void add_profile_entry (const char *, const char *);
-void adios (char *, char *, ...) NORETURN;
-void admonish (char *, char *, ...);
-void advertise (char *, char *, char *, va_list);
-void advise (char *, char *, ...);
-char **argsplit (char *, char **, int *);
-void argsplit_msgarg (struct msgs_array *, char *, char **);
-void argsplit_insert (struct msgs_array *, char *, char **);
+void inform(char *fmt, ...) CHECK_PRINTF(1, 2);
+void adios (const char *, const char *, ...) CHECK_PRINTF(2, 3) NORETURN;
+void die(const char *, ...) CHECK_PRINTF(1, 2) NORETURN;
+void admonish (char *, char *, ...) CHECK_PRINTF(2, 3);
+void advertise (const char *, char *, const char *, va_list) CHECK_PRINTF(3, 0);
+void advise (const char *, const char *, ...) CHECK_PRINTF(2, 3);
+char **argsplit (char *, char **, int *) NONNULL(1, 2);
+void argsplit_msgarg (struct msgs_array *, char *, char **) NONNULL(1, 2, 3);
+void argsplit_insert (struct msgs_array *, char *, char **) NONNULL(1, 2, 3);
void arglist_free (char *, char **);
-void ambigsw (char *, struct swit *);
-int atooi(char *);
-char **brkstring (char *, char *, char *);
+void ambigsw (const char *, const struct swit *) NONNULL(1, 2);
+int atooi(char *) NONNULL(1) PURE;
+char **brkstring (char *, char *, char *) NONNULL(1);
+
+/*
+ * Check to see if we can display a given character set natively.
+ * Arguments include:
+ *
+ * str - Name of character set to check against
+ * len - Length of "str"
+ *
+ * Returns 1 if the specified character set can be displayed natively,
+ * 0 otherwise.
+ */
+
int check_charset (char *, int);
int client(char *, char *, char *, int, int);
void closefds(int);
-char *concat (const char *, ...);
+char *concat (const char *, ...) ENDNULL;
int context_del (char *);
-char *context_find (char *);
+char *context_find (const char *) PURE;
+char *context_find_by_type (const char *, const char *, const char *);
+int context_find_prefix(const char *) PURE;
int context_foil (char *);
void context_read (void);
void context_replace (char *, char *);
void context_save (void);
-char *copy (const char *, char *);
char **copyip (char **, char **, int);
-void cpydata (int, int, char *, char *);
+void cpydata (int, int, const char *, const char *);
void cpydgst (int, int, char *, char *);
char *cpytrim (const char *);
+char *rtrim (char *);
int decode_rfc2047 (char *, char *, size_t);
void discard (FILE *);
-char *upcase (const char *);
/*
* Decode two characters into their quoted-printable representation.
*
* Returns the decoded value, -1 if the conversion failed.
*/
-int decode_qp(unsigned char byte1, unsigned char byte2);
+int decode_qp(unsigned char byte1, unsigned char byte2) CONST;
int default_done (int);
struct msgs *folder_read (char *name, int lockflag);
struct msgs *folder_realloc (struct msgs *, int, int);
-int gans (char *, struct swit *);
-char **getans (char *, struct swit *);
-#ifdef READLINE_SUPPORT
-char **getans_via_readline (char *, struct swit *);
-#endif /* READLINE_SUPPORT */
-int getanswer (char *);
-char **getarguments (char *, int, char **, int);
-char *get_charset(void);
-char *getcpy (const char *);
-char *get_default_editor(void);
-char *getfolder(int);
/*
- * Get a string from the terminfo database for the current terminal.
- *
- * Retrieve the specified terminfo capability and return a string that
- * can be output to the terminal. The string returned has already been
- * processed by tputs(), so it is safe to output directly. The return
- * value of this function is valid until the next call.
- *
- * Arguments:
- *
- * capability - The name of the terminfo capability (see terminfo(5)).
- *
- * Returns a tputs-processed string, or NULL if terminal initialization failed
- * or the capability wasn't found.
+ * Print null-terminated PROMPT to and flush standard output. Read answers from
+ * standard input until one matches an entry in SWITCHES. When one matches,
+ * return its swret field. Return 0 on EOF.
*/
-char *get_term_stringcap(char *capability);
+int read_switch(const char *PROMPT, const struct swit *SWITCHES);
/*
- * Get a parameterized string from the terminfo database for the current
- * terminal.
- *
- * We don't yet have a standardized tparm() that will take a stdarg
- * argument. Right now we don't want many parameters, so we only
- * take two. Everything gets passed to tparm() as-is. If we need
- * a capability with more arguments, we'll just add more later.
- *
- * Arguments:
- *
- * capability - The name of the terminfo capability (see terminfo(5)).
- * arg1..argN - Arguments 1-N.
- *
- * Returns a tparm and tputs-processed string, or NULL if there was a problem
- * initializating the terminal or retrieving the capability.
+ * If standard input is not a tty, return 1 without printing anything. Else,
+ * print null-terminated PROMPT to and flush standard output. Read answers from
+ * standard input until one is "yes" or "no", returning 1 for "yes" and 0 for
+ * "no". Also return 0 on EOF.
*/
-char *get_term_stringparm(char *capability, long arg1, long arg2);
+int read_yes_or_no_if_tty(const char *PROMPT);
/*
- * Get a number from the terminfo database for the current terminal.
- *
- * Retrieve the specified terminfo capability and return the numeric
- * value of that capability from the terminfo database.
- *
- * Arguments:
- *
- * capability - The name of the terminfo capability (see terminfo(5)).
- *
- * Returns the output of tigetnum() for that capability, or -1 if it was
- * unable to initialize the terminfo database.
+ * Print null-terminated PROMPT to and flush standard output. Read multi-word
+ * answers from standard input until a first word matches an entry in SWITCHES.
+ * When one matches, return a pointer to an array of pointers to the words.
+ * Return NULL on EOF, interrupt, or other error.
*/
-int get_term_numcap(char *capability);
+char **read_switch_multiword(const char *PROMPT, const struct swit *SWITCHES);
/*
- * Lock open/close routines.
- *
- * The lk[f]opendata() functions are designed to open "data" files (anything
- * not a mail spool file) using the locking mechanism configured for data
- * files. The lk[f]openspool() functions are for opening the mail spool
- * file, which will use the locking algorithm configured for the mail
- * spool.
- *
- * Files opened for reading are locked with a read lock (if possible by
- * the underlying lock mechanism), files opened for writing are locked
- * using an exclusive lock. The int * argument is used to indicate failure
- * to acquire a lock.
+ * Same as read_switch_multiword but using readline(3) for input.
*/
-int lkclosedata(int, const char *);
-int lkclosespool(int, const char *);
-int lkfclosedata(FILE *, const char *);
-int lkfclosespool(FILE *, const char *);
-FILE *lkfopendata(const char *, const char *, int *);
-int lkopendata(const char *, int, mode_t, int *);
-FILE *lkfopenspool(const char *, const char *);
-int lkopenspool(const char *, int, mode_t, int *);
-int m_atoi (char *);
-char *m_backup (char *);
+#ifdef READLINE_SUPPORT
+char **read_switch_multiword_via_readline (char *, struct swit *);
+#endif /* READLINE_SUPPORT */
+
+char **getarguments (char *, int, char **, int);
+
+/*
+ * Returns the MIME character set indicated by the current locale setting.
+ * Should be used by routines that want to convert to/from the local
+ * character set, or if you want to check to see if you can display content
+ * in the local character set.
+ */
+char *get_charset(void);
+
+/* Return malloc'd copy of str, or of "" if NULL, exit on failure. */
+char *getcpy(const char *str);
+
+char *get_default_editor(void);
+char *getfolder(int) PURE;
+
+int m_atoi (char *) PURE;
+char *m_backup (const char *);
int m_convert (struct msgs *, char *);
char *m_draft (char *, char *, int, int *);
-void m_eomsbr (m_getfld_state_t, int (*)(int));
+
+m_getfld_state_t m_getfld_state_init(FILE *iob);
void m_getfld_state_reset (m_getfld_state_t *);
void m_getfld_state_destroy (m_getfld_state_t *);
void m_getfld_track_filepos (m_getfld_state_t *, FILE *);
+void m_getfld_track_filepos2(m_getfld_state_t *);
int m_getfld (m_getfld_state_t *, char[NAMESZ], char *, int *, FILE *);
-int m_gmprot (void);
-char *m_maildir (char *);
-char *m_mailpath (char *);
+int m_getfld2(m_getfld_state_t *, char[NAMESZ], char *, int *);
+int m_gmprot (void) PURE;
char *m_name (int);
-int m_putenv (char *, char *);
-int m_rand (unsigned char *, size_t);
-char *m_mktemp(const char *, int *, FILE **);
-char *m_mktemp2(const char *, const char *, int *, FILE **);
-char *m_mktemps(const char *pfx, const char *suffix, int *, FILE **);
-char *get_temp_dir();
-
-/*
- * Create a subprocess and redirect our standard output to it.
- *
- * Arguments are:
- *
- * name - Name of process to create
- * savestdout - If true, will save the current stdout file descriptor and
- * m_pclose() will close it at the appropriate time.
- */
-void m_popen(char *name, int savestdout);
-
-/*
- * Wait for the last process opened by m_popen().
- */
-void m_pclose(void);
void m_unknown(m_getfld_state_t *, FILE *);
-int makedir (char *);
-char *message_id (time_t, int);
+void m_unknown2(m_getfld_state_t *);
-/*
- * Return a MIME content-type string for the specified file.
- *
- * If the system supports it, will use the "file" command to determine
- * the appropriate content-type. Otherwise it will try to determine the
- * content-type from the suffix. If that fails, the file will be scanned
- * and either assigned a MIME type of text/plain or application/octet-stream
- * depending if binary content is present.
- *
- * Arguments:
- *
- * filename - The name of the file to determine the MIME type of.
- *
- * Returns a pointer to a content-type string (which may include MIME
- * parameters, such as charset). Returns a NULL if it cannot determine
- * the MIME type of the file. Returns allocated storage that must be
- * free'd.
- */
-char *mime_type(const char *filename);
-
-/*
- * Clear the screen, using the appropriate entry from the terminfo database
- */
-void nmh_clear_screen(void);
char *nmh_getpass(const char *);
-char *norm_charmap(char *);
char *new_fs (char *, char *, char *);
char *path(char *, int);
-int peekc(FILE *ib);
int pidwait (pid_t, int);
int pidstatus (int, FILE *, char *);
char *pluspath(char *);
void print_help (char *, struct swit *, int);
-void print_sw (char *, struct swit *, char *, FILE *);
+void print_intro (FILE *, bool);
+void print_sw (const char *, const struct swit *, char *, FILE *);
void print_version (char *);
void push (void);
-char *pwd (void);
-char *r1bindex(char *, int);
-void readconfig (struct node **, FILE *, char *, int);
+char *r1bindex(char *, int) PURE;
+void readconfig (struct node **, FILE *, const char *, int);
int refile (char **, char *);
-void ruserpass (char *, char **, char **);
+
+/*
+ * Read our credentials file and (optionally) ask the user for anything
+ * missing.
+ *
+ * Arguments:
+ *
+ * host - Hostname (to scan credentials file)
+ * aname - Pointer to filled-in username
+ * apass - Pointer to filled-in password
+ * flags - One or more of RUSERPASS_NO_PROMPT_USER,
+ * RUSERPASS_NO_PROMPT_PASSWORD
+ */
+void ruserpass (const char *host, char **aname, char **apass, int flags);
+#define RUSERPASS_NO_PROMPT_USER 0x01
+#define RUSERPASS_NO_PROMPT_PASSWORD 0x02
+
int remdir (char *);
void scan_detect_mbox_style (FILE *);
-void scan_finished ();
-void scan_eom_action (int (*)());
-void scan_reset_m_getfld_state ();
+void scan_finished(void);
int seq_addmsg (struct msgs *, char *, int, int, int);
int seq_addsel (struct msgs *, char *, int, int);
char *seq_bits (struct msgs *);
void seq_setprev (struct msgs *);
void seq_setunseen (struct msgs *, int);
int showfile (char **, char *);
-int smatch(char *, struct swit *);
+int smatch(const char *, const struct swit *) PURE;
/*
* Convert a set of bit flags to printable format.
* from least significant bit to most significant.
*/
char *snprintb (char *buffer, size_t size, unsigned flags, char *bitfield);
-int ssequal (char *, char *);
-int stringdex (char *, char *);
+int ssequal (const char *, const char *) PURE;
+int stringdex (char *, char *) PURE;
char *trimcpy (char *);
-int unputenv (char *);
+
+int uprf (const char *, const char *) PURE;
+int vfgets (FILE *, char **);
/*
- * Remove quotes and quoted-pair sequences from RFC-5322 atoms.
- *
- * Currently the actual algorithm is simpler than it technically should
- * be: any quotes are simply eaten, unless they're preceded by the escape
- * character (\). This seems to be sufficient for our needs for now.
- *
- * Arguments:
- *
- * input - The input string
- * output - The output string; is assumed to have at least as much
- * room as the input string. At worst the output string will
- * be the same size as the input string; it might be smaller.
- *
+ * Output the local character set name, but make sure it is suitable for
+ * 8-bit characters.
*/
-void unquote_string(const char *input, char *output);
-int uprf (char *, char *);
-int vfgets (FILE *, char **);
char *write_charset_8bit (void);
/*
* prototypes for some routines in uip
*/
-int annotate (char *, char *, char *, int, int, int, int);
+int annotate (char *, char *, char *, bool, bool, int, bool);
void annolist(char *, char *, char *, int);
void annopreserve(int);
void m_pclose(void);
-int make_intermediates(char *);
int mhl(int, char **);
int mhlsbr(int, char **, FILE *(*)(char *));
int distout (char *, char *, char *);
void replout (FILE *, char *, char *, struct msgs *, int,
int, char *, char *, char *, int);
-int sc_length(void);
-int sc_width(void);
int build_form (char *, char *, int *, char *, char *, char *, char *,
char *, char *);
-int sendsbr (char **, int, char *, char *, struct stat *, int);
-int SOprintf (char *, ...);
+int sendsbr (char **, int, char *, char *, struct stat *, int, const char *);
int what_now (char *, int, int, char *, char *,
int, struct msgs *, char *, int, char *, int);
-int WhatNow(int, char **);
+int WhatNow(int, char **) NORETURN;
/*
- * Copy data from one file to another, converting to base64-encoding.
+ * credentials management
+ */
+void init_credentials_file(void);
+
+/*
+ * Allocate and return a credentials structure. The credentials structure
+ * is now opaque; you need to use accessors to get inside of it. The
+ * accessors will only prompt the user for missing fields if they are
+ * needed.
*
- * Arguments include:
+ * Arguments:
*
- * in - Input filehandle (unencoded data)
- * out - Output filename (base64-encoded data)
- * crlf - If set, output encoded CRLF for every LF on input.
+ * host - Hostname we're connecting to (used to search credentials file)
+ * user - Username we are logging in as; can be NULL.
*
- * Returns OK on success, NOTOK otherwise.
+ * Returns NULL on error, otherwise an allocated nmh_creds structure.
*/
-int writeBase64aux(FILE *in, FILE *out, int crlf);
+nmh_creds_t nmh_get_credentials (const char *host, const char *user);
-int writeBase64 (unsigned char *, size_t, unsigned char *);
-int writeBase64raw (unsigned char *, size_t, unsigned char *);
+/*
+ * Retrieve the user from a nmh_creds structure. May prompt the user
+ * if one is not defined.
+ *
+ * Arguments:
+ *
+ * creds - Structure from previous nmh_get_credentials() call
+ *
+ * Returns NULL on error, otherwise a NUL-terminated string containing
+ * the username. Points to allocated memory in the credentials structure
+ * that is free()d by nmh_free_credentials().
+ */
+const char *nmh_cred_get_user(nmh_creds_t creds);
/*
- * credentials management
+ * Retrieve the password from an nmh_creds structure. Otherwise identical
+ * to nmh_cred_get_user().
*/
-void init_credentials_file ();
-int nmh_get_credentials (char *, char *, int, nmh_creds_t);
+const char *nmh_cred_get_password(nmh_creds_t creds);
/*
- * temporary file management
+ * Free an allocated nmh_creds structure.
*/
-int nmh_init(const char *argv0, int read_context);
-int m_unlink(const char *);
-void unregister_for_removal(int remove_files);
+void nmh_credentials_free(nmh_creds_t creds);