X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/55deb9a8a3f78d67f5882d8e02bbaeab67c9078b..40a17f8f191deee9f27fd3dd394eda9a641e6f1c:/h/prototypes.h

diff --git a/h/prototypes.h b/h/prototypes.h
index 03c783aa..a21a7180 100644
--- a/h/prototypes.h
+++ b/h/prototypes.h
@@ -29,12 +29,25 @@ void arglist_free (char *, char **);
 void ambigsw (char *, struct swit *);
 int atooi(char *);
 char **brkstring (char *, char *, char *);
+
+/*
+ * 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 *, ...);
 int context_del (char *);
-char *context_find (char *);
+char *context_find (const char *);
+char *context_find_by_type (const char *, const char *, const char *);
 int context_foil (char *);
 void context_read (void);
 void context_replace (char *, char *);
@@ -46,6 +59,7 @@ void cpydgst (int, int, char *, char *);
 char *cpytrim (const char *);
 int decode_rfc2047 (char *, char *, size_t);
 void discard (FILE *);
+char *upcase (const char *);
 
 /*
  * Decode two characters into their quoted-printable representation.
@@ -110,7 +124,15 @@ char **getans_via_readline (char *, struct swit *);
 #endif /* READLINE_SUPPORT */
 int getanswer (char *);
 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);
+
 char *getcpy (const char *);
 char *get_default_editor(void);
 char *getfolder(int);
@@ -177,16 +199,17 @@ int get_term_numcap(char *capability);
  *
  * 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.
+ * using an exclusive lock.  The int * argument is used to indicate failure
+ * to acquire a lock.
  */
 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 lkopendata(const char *, int, mode_t);
+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 lkopenspool(const char *, int, mode_t, int *);
 int m_atoi (char *);
 char *m_backup (char *);
 int m_convert (struct msgs *, char *);
@@ -206,6 +229,23 @@ 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);
@@ -235,7 +275,6 @@ char *mime_type(const char *filename);
  */
 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);
@@ -279,8 +318,12 @@ void seq_printall (struct msgs *);
  *		  and a pointer to the filehandle will be stored in
  *		  folder structure, where it will later be used by
  *		  seq_save().
+ *
+ * Return values:
+ *     OK       - successfully read the sequence files, or they don't exist
+ *     NOTOK    - failed to lock sequence file
  */
-void seq_read (struct msgs * mp, int lockflag);
+int seq_read (struct msgs * mp, int lockflag);
 void seq_save (struct msgs *);
 void seq_setcur (struct msgs *, int);
 void seq_setprev (struct msgs *);
@@ -344,6 +387,11 @@ int unputenv (char *);
 void unquote_string(const char *input, char *output);
 int uprf (char *, char *);
 int vfgets (FILE *, char **);
+
+/*
+ * Output the local character set name, but make sure it is suitable for
+ * 8-bit characters.
+ */
 char *write_charset_8bit (void);