diplodocus.org Git - nmh/blob - h/prototypes.h

   1 /* prototypes.h -- various prototypes
   2  *
   3  * If you modify functions here, please document their current behavior
   4  * as much as practical.
   5  */
   6
   7 /*
   8  * prototype from config.h
   9  */
  10 char *etcpath(char *) NONNULL(1);
  11
  12 /*
  13  * prototypes from the nmh subroutine library
  14  */
  15
  16 struct msgs_array;
  17
  18 char *concat (const char *, ...) ENDNULL;
  19
  20 /*
  21  * Print null-terminated PROMPT to and flush standard output.  Read answers from
  22  * standard input until one matches an entry in SWITCHES.  When one matches,
  23  * return its swret field.  Return 0 on EOF.
  24  */
  25 int read_switch(const char *PROMPT, const struct swit *SWITCHES);
  26
  27 /*
  28  * If standard input is not a tty, return 1 without printing anything.  Else,
  29  * print null-terminated PROMPT to and flush standard output.  Read answers from
  30  * standard input until one is "yes" or "no", returning 1 for "yes" and 0 for
  31  * "no".  Also return 0 on EOF.
  32  */
  33 int read_yes_or_no_if_tty(const char *PROMPT);
  34
  35 /*
  36  * Print null-terminated PROMPT to and flush standard output.  Read multi-word
  37  * answers from standard input until a first word matches an entry in SWITCHES.
  38  * When one matches, return a pointer to an array of pointers to the words.
  39  * Return NULL on EOF, interrupt, or other error.
  40  */
  41 char **read_switch_multiword(const char *PROMPT, const struct swit *SWITCHES);
  42
  43 /*
  44  * Same as read_switch_multiword but using readline(3) for input.
  45  */
  46 #ifdef READLINE_SUPPORT
  47 char **read_switch_multiword_via_readline (char *, struct swit *);
  48 #endif /* READLINE_SUPPORT */
  49
  50 char **getarguments (char *, int, char **, int);
  51
  52 m_getfld_state_t m_getfld_state_init(FILE *iob);
  53 void m_getfld_state_reset (m_getfld_state_t *);
  54 void m_getfld_state_destroy (m_getfld_state_t *);
  55 void m_getfld_track_filepos (m_getfld_state_t *, FILE *);
  56 void m_getfld_track_filepos2(m_getfld_state_t *);
  57 int m_getfld (m_getfld_state_t *, char[NAMESZ], char *, int *, FILE *);
  58 int m_getfld2(m_getfld_state_t *, char[NAMESZ], char *, int *);
  59 int m_gmprot (void) PURE;
  60 char *m_name (int);
  61
  62 void m_unknown(m_getfld_state_t *, FILE *);
  63 void m_unknown2(m_getfld_state_t *);
  64
  65 char *nmh_getpass(const char *);
  66 int pidwait (pid_t, int);
  67 char *r1bindex(char *, int) PURE;
  68 int refile (char **, char *);
  69
  70 /*
  71  * Read our credentials file and (optionally) ask the user for anything
  72  * missing.
  73  *
  74  * Arguments:
  75  *
  76  * host         - Hostname (to scan credentials file)
  77  * aname        - Pointer to filled-in username
  78  * apass        - Pointer to filled-in password
  79  * flags        - One or more of RUSERPASS_NO_PROMPT_USER,
  80  *                RUSERPASS_NO_PROMPT_PASSWORD
  81  */
  82 void ruserpass (const char *host, char **aname, char **apass, int flags);
  83 #define RUSERPASS_NO_PROMPT_USER        0x01
  84 #define RUSERPASS_NO_PROMPT_PASSWORD    0x02
  85
  86 int remdir (char *);
  87 void scan_detect_mbox_style (FILE *);
  88 void scan_finished(void);
  89
  90 /*
  91  * Read the sequence files for the folder referenced in the given
  92  * struct msgs and populate the sequence entries in the struct msgs.
  93  *
  94  * Arguments:
  95  *
  96  * mp           - Folder structure to add sequence entries to
  97  * lockflag     - If true, obtain a write lock on the sequence file.
  98  *                Additionally, the sequence file will remain open
  99  *                and a pointer to the filehandle will be stored in
 100  *                folder structure, where it will later be used by
 101  *                seq_save().
 102  *
 103  * Return values:
 104  *     OK       - successfully read the sequence files, or they don't exist
 105  *     NOTOK    - failed to lock sequence file
 106  */
 107 int seq_read (struct msgs * mp, int lockflag);
 108 void seq_save (struct msgs *);
 109 void seq_setcur (struct msgs *, int);
 110 void seq_setprev (struct msgs *);
 111 void seq_setunseen (struct msgs *, int);
 112 int showfile (char **, char *);
 113 int smatch(const char *, const struct swit *) PURE;
 114
 115 /*
 116  * Convert a set of bit flags to printable format.
 117  *
 118  * Arguments:
 119  *
 120  * buffer       - Buffer to output string to.
 121  * size         - Size of buffer in bytes.  Buffer is always NUL terminated.
 122  * flags        - Binary flags to output
 123  * bitfield     - Textual representation of bits to output.  This string
 124  *                is in the following format:
 125  *
 126  *      Option byte 0x01 STRING1 0x02 STRING2 ....
 127  *
 128  * The first byte is an option byte to snprintb().  Currently the only option
 129  * supported is 0x08, which indicates that the flags should be output in
 130  * octal format; if the option byte is any other value, the flags will be
 131  * output in hexadecimal.
 132  *
 133  * After the option bytes are series of text strings, prefixed by the number
 134  * of the bit they correspond to.  For example, the bitfield string:
 135  *
 136  *      "\020\01FLAG1\02FLAG2\03FLAG3\04FLAG4"
 137  *
 138  * will output the following string if "flags" is set to 0x09:
 139  *
 140  *      0x2<FLAG1,FLAG4>
 141  *
 142  * You don't have to use octal in the bitfield string, that's just the
 143  * convention currently used by the nmh code.  The order of flags in the
 144  * bitfield string is not significant, but again, general convention is
 145  * from least significant bit to most significant.
 146  */
 147 char *snprintb (char *buffer, size_t size, unsigned flags, char *bitfield);
 148
 149 /*
 150  * prototypes for some routines in uip
 151  */
 152 int annotate (char *, char *, char *, bool, bool, int, bool);
 153 void annolist(char *, char *, char *, int);
 154 void annopreserve(int);
 155 int mhl(int, char **);
 156 int mhlsbr(int, char **, FILE *(*)(char *));
 157 int distout (char *, char *, char *);
 158 int sendsbr (char **, int, char *, char *, struct stat *, int, const char *);
 159 int what_now (char *, int, int, char *, char *,
 160         int, struct msgs *, char *, int, char *, int);
 161 int WhatNow(int, char **) NORETURN;