Mercurial > hg > xemacs-beta
view lib-src/fakemail.c @ 934:c925bacdda60
[xemacs-hg @ 2002-07-29 09:21:12 by michaels]
2002-07-17 Marcus Crestani <crestani@informatik.uni-tuebingen.de>
Markus Kaltenbach <makalten@informatik.uni-tuebingen.de>
Mike Sperber <mike@xemacs.org>
configure flag to turn these changes on: --use-kkcc
First we added a dumpable flag to lrecord_implementation. It shows,
if the object is dumpable and should be processed by the dumper.
* lrecord.h (struct lrecord_implementation): added dumpable flag
(MAKE_LRECORD_IMPLEMENTATION): fitted the different makro definitions
to the new lrecord_implementation and their calls.
Then we changed mark_object, that it no longer needs a mark method for
those types that have pdump descritions.
* alloc.c:
(mark_object): If the object has a description, the new mark algorithm
is called, and the object is marked according to its description.
Otherwise it uses the mark method like before.
These procedures mark objects according to their descriptions. They
are modeled on the corresponding pdumper procedures.
(mark_with_description):
(get_indirect_count):
(structure_size):
(mark_struct_contents):
These procedures still call mark_object, this is needed while there are
Lisp_Objects without descriptions left.
We added pdump descriptions for many Lisp_Objects:
* extents.c: extent_auxiliary_description
* database.c: database_description
* gui.c: gui_item_description
* scrollbar.c: scrollbar_instance_description
* toolbar.c: toolbar_button_description
* event-stream.c: command_builder_description
* mule-charset.c: charset_description
* device-msw.c: devmode_description
* dialog-msw.c: mswindows_dialog_id_description
* eldap.c: ldap_description
* postgresql.c: pgconn_description
pgresult_description
* tooltalk.c: tooltalk_message_description
tooltalk_pattern_description
* ui-gtk.c: emacs_ffi_description
emacs_gtk_object_description
* events.c:
* events.h:
* event-stream.c:
* event-Xt.c:
* event-gtk.c:
* event-tty.c:
To write a pdump description for Lisp_Event, we converted every struct
in the union event to a Lisp_Object. So we created nine new
Lisp_Objects: Lisp_Key_Data, Lisp_Button_Data, Lisp_Motion_Data,
Lisp_Process_Data, Lisp_Timeout_Data, Lisp_Eval_Data,
Lisp_Misc_User_Data, Lisp_Magic_Data, Lisp_Magic_Eval_Data.
We also wrote makro selectors and mutators for the fields of the new
designed Lisp_Event and added everywhere these new abstractions.
We implemented XD_UNION support in (mark_with_description), so
we can describe exspecially console/device specific data with XD_UNION.
To describe with XD_UNION, we added a field to these objects, which
holds the variant type of the object. This field is initialized in
the appendant constructor. The variant is an integer, it has also to
be described in an description, if XD_UNION is used.
XD_UNION is used in following descriptions:
* console.c: console_description
(get_console_variant): returns the variant
(create_console): added variant initialization
* console.h (console_variant): the different console types
* console-impl.h (struct console): added enum console_variant contype
* device.c: device_description
(Fmake_device): added variant initialization
* device-impl.h (struct device): added enum console_variant devtype
* objects.c: image_instance_description
font_instance_description
(Fmake_color_instance): added variant initialization
(Fmake_font_instance): added variant initialization
* objects-impl.h (struct Lisp_Color_Instance): added color_instance_type
* objects-impl.h (struct Lisp_Font_Instance): added font_instance_type
* process.c: process_description
(make_process_internal): added variant initialization
* process.h (process_variant): the different process types
author | michaels |
---|---|
date | Mon, 29 Jul 2002 09:21:25 +0000 |
parents | 023b83f4e54b |
children | 04bc9d2f42c7 |
line wrap: on
line source
/* sendmail-like interface to /bin/mail for system V, Copyright (C) 1985, 1994 Free Software Foundation, Inc. This file is part of XEmacs. XEmacs is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. XEmacs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with XEmacs; see the file COPYING. If not, write to the Free the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* Synched up with: FSF 19.28. */ #define NO_SHORTNAMES #include <config.h> #if defined (BSD) && !defined (BSD4_1) && !defined (USE_FAKEMAIL) /* This program is not used in BSD, so just avoid loader complaints. */ int main (int argc, char *argv[]) { return 0; } #elif defined (LINUX) #include <stdio.h> #include <stdlib.h> int main (int argc, char *argv[]) { /* Linux /bin/mail, if it exists, is NOT the Unix v7 mail that fakemail depends on! This causes garbled mail. Better to output an error message. */ fprintf (stderr, "Sorry, fakemail does not work on Linux.\n"); fprintf (stderr, "Make sure you have the sendmail program, and\n"); fprintf (stderr, "set the Lisp variable `sendmail-program' to point\n"); fprintf (stderr, "to the path of the sendmail binary.\n"); return 1; } #else /* not BSD 4.2 (or newer) */ /* These are defined in config in some versions. */ #ifdef static #undef static #endif #ifdef read #undef read #undef write #undef open #undef close #endif #include <stdio.h> #if __STDC__ || defined(STDC_HEADERS) #include <stdlib.h> #include <unistd.h> #endif #include <string.h> #include <ctype.h> #include <time.h> #include <pwd.h> /* Type definitions */ #define boolean int #define true 1 #define false 0 /* Various lists */ struct line_record { char *string; struct line_record *continuation; }; typedef struct line_record *line_list; struct header_record { line_list text; struct header_record *next; struct header_record *previous; }; typedef struct header_record *header; struct stream_record { FILE *handle; int (*action)(FILE *); struct stream_record *rest_streams; }; typedef struct stream_record *stream_list; /* A `struct linebuffer' is a structure which holds a line of text. * `readline' reads a line from a stream into a linebuffer * and works regardless of the length of the line. */ struct linebuffer { size_t size; char *buffer; }; struct linebuffer lb; #define new_list() \ ((line_list) xmalloc (sizeof (struct line_record))) #define new_header() \ ((header) xmalloc (sizeof (struct header_record))) #define new_stream() \ ((stream_list) xmalloc (sizeof (struct stream_record))) #define alloc_string(nchars) \ ((char *) xmalloc ((nchars) + 1)) /* Global declarations */ #define BUFLEN 1024 #define KEYWORD_SIZE 256 #define FROM_PREFIX "From" #define MY_NAME "fakemail" #define NIL ((line_list) NULL) #define INITIAL_LINE_SIZE 200 #ifndef MAIL_PROGRAM_NAME #define MAIL_PROGRAM_NAME "/bin/mail" #endif static const char *my_name; static char *the_date; static char *the_user; static line_list file_preface; static stream_list the_streams; static boolean no_problems = true; #if !__STDC__ && !defined(STDC_HEADERS) extern FILE *popen (); extern int fclose (), pclose (); extern char *malloc (), *realloc (); #endif #ifdef CURRENT_USER extern struct passwd *getpwuid (); extern unsigned short geteuid (); static struct passwd *my_entry; #define cuserid(s) \ (my_entry = getpwuid ((int) geteuid ()), \ my_entry->pw_name) #endif /* Utilities */ /* Print error message. `s1' is printf control string, `s2' is arg for it. */ static void error (const char *s1, const char *s2) { printf ("%s: ", my_name); printf (s1, s2); printf ("\n"); no_problems = false; } /* Print error message and exit. */ static void fatal (const char *s1, const char *s2) { error (s1, s2); exit (1); } /* Like malloc but get fatal error if memory is exhausted. */ static void * xmalloc (size_t size) { void *result = malloc (size); if (result == NULL) fatal ("virtual memory exhausted", (char *) 0); return result; } static void * xrealloc (void *ptr, size_t size) { void *result = realloc (ptr, size); if (result == NULL) fatal ("virtual memory exhausted", (char *) 0); return result; } /* Initialize a linebuffer for use */ static void init_linebuffer (struct linebuffer *linebuffer) { linebuffer->size = INITIAL_LINE_SIZE; linebuffer->buffer = (char *) xmalloc (INITIAL_LINE_SIZE); } /* Read a line of text from `stream' into `linebuffer'. * Return the length of the line. */ static long readline (struct linebuffer *linebuffer, FILE *stream) { char *buffer = linebuffer->buffer; char *p = linebuffer->buffer; char *end = p + linebuffer->size; while (true) { int c = getc (stream); if (p == end) { linebuffer->size *= 2; buffer = (char *) xrealloc (buffer, linebuffer->size); p = buffer + (p - linebuffer->buffer); end = buffer + linebuffer->size; linebuffer->buffer = buffer; } if (c < 0 || c == '\n') { *p = 0; break; } *p++ = c; } return p - buffer; } static char * get_keyword (register char *field, char **rest) { static char keyword[KEYWORD_SIZE]; register char *ptr; register char c; ptr = &keyword[0]; c = *field++; if ((isspace ((int) (unsigned char) c)) || (c == ':')) return (char *) NULL; *ptr++ = ((islower ((int) (unsigned char) c)) ? (toupper ((int) (unsigned char) c)) : c); while (((c = *field++) != ':') && (!(isspace ((int) (unsigned char) c)))) *ptr++ = ((islower ((int) (unsigned char) c)) ? (toupper ((int) (unsigned char) c)) : c); *ptr++ = '\0'; while (isspace ((int) (unsigned char) c)) c = *field++; if (c != ':') return (char *) NULL; *rest = field; return &keyword[0]; } static boolean has_keyword (char *field) { char *ignored; return (get_keyword (field, &ignored) != (char *) NULL); } static char * add_field (line_list the_list, register char *field, register char *where) { register char c; while (true) { *where++ = ' '; while ((c = *field++) != '\0') { if (c == '(') { while (*field && *field != ')') ++field; if (! (*field++)) break; /* no closer */ if (! (*field)) break; /* closerNULL */ c = *field; } *where++ = ((c == ','||c=='>'||c=='<') ? ' ' : c); } if (the_list == NIL) break; field = the_list->string; the_list = the_list->continuation; } return where; } static line_list make_file_preface (void) { char *the_string, *temp; time_t idiotic_interface; long prefix_length; long user_length; long date_length; line_list result; prefix_length = strlen (FROM_PREFIX); time (&idiotic_interface); the_date = ctime (&idiotic_interface); /* the_date has an unwanted newline at the end */ date_length = strlen (the_date) - 1; if (the_date[date_length] == '\n') the_date[date_length] = '\0'; #ifdef WIN32_NATIVE temp = "(null)"; #else temp = cuserid ((char *) NULL); #endif user_length = strlen (temp); the_user = alloc_string ((size_t) (user_length + 1)); strcpy (the_user, temp); the_string = alloc_string ((size_t) (3 + prefix_length + user_length + date_length)); temp = the_string; strcpy (temp, FROM_PREFIX); temp = &temp[prefix_length]; *temp++ = ' '; strcpy (temp, the_user); temp = &temp[user_length]; *temp++ = ' '; strcpy (temp, the_date); result = new_list (); result->string = the_string; result->continuation = ((line_list) NULL); return result; } static void write_line_list (register line_list the_list, FILE *the_stream) { for ( ; the_list != ((line_list) NULL) ; the_list = the_list->continuation) { fputs (the_list->string, the_stream); putc ('\n', the_stream); } return; } static int close_the_streams (void) { register stream_list rem; for (rem = the_streams; rem != ((stream_list) NULL); rem = rem->rest_streams) no_problems = (no_problems && ((*rem->action) (rem->handle) == 0)); the_streams = ((stream_list) NULL); return (no_problems ? 0 : 1); } static void add_a_stream (FILE *the_stream, int (*closing_action)(FILE *)) { stream_list old = the_streams; the_streams = new_stream (); the_streams->handle = the_stream; the_streams->action = closing_action; the_streams->rest_streams = old; return; } static int my_fclose (FILE *the_file) { putc ('\n', the_file); fflush (the_file); return fclose (the_file); } static boolean open_a_file (char *name) { FILE *the_stream = fopen (name, "a"); if (the_stream != ((FILE *) NULL)) { add_a_stream (the_stream, my_fclose); if (the_user == (char *) NULL) file_preface = make_file_preface (); write_line_list (file_preface, the_stream); return true; } return false; } static void put_string (char *s) { register stream_list rem; for (rem = the_streams; rem != ((stream_list) NULL); rem = rem->rest_streams) fputs (s, rem->handle); return; } static void put_line (const char *string) { register stream_list rem; for (rem = the_streams; rem != ((stream_list) NULL); rem = rem->rest_streams) { const char *s = string; int column = 0; /* Divide STRING into lines. */ while (*s != 0) { const char *breakpos; /* Find the last char that fits. */ for (breakpos = s; *breakpos && column < 78; ++breakpos) { if (*breakpos == '\t') column += 8; else column++; } /* If we didn't reach end of line, break the line. */ if (*breakpos) { /* Back up to just after the last comma that fits. */ while (breakpos != s && breakpos[-1] != ',') --breakpos; if (breakpos == s) { /* If no comma fits, move past the first address anyway. */ while (*breakpos != 0 && *breakpos != ',') ++breakpos; if (*breakpos != 0) /* Include the comma after it. */ ++breakpos; } } /* Output that much, then break the line. */ fwrite (s, 1, breakpos - s, rem->handle); column = 8; /* Skip whitespace and prepare to print more addresses. */ s = breakpos; while (*s == ' ' || *s == '\t') ++s; if (*s != 0) fputs ("\n\t", rem->handle); } putc ('\n', rem->handle); } return; } #define mail_error error static void setup_files (register line_list the_list, register char *field) { register char *start; register char c; while (true) { while (((c = *field) != '\0') && ((c == ' ') || (c == '\t') || (c == ','))) field += 1; if (c != '\0') { start = field; while (((c = *field) != '\0') && (c != ' ') && (c != '\t') && (c != ',')) field += 1; *field = '\0'; if (!open_a_file (start)) mail_error ("Could not open file %s", start); *field = c; if (c != '\0') continue; } if (the_list == ((line_list) NULL)) return; field = the_list->string; the_list = the_list->continuation; } } static int args_size (header the_header) { register header old = the_header; register line_list rem; register int size = 0; do { char *field; register char *keyword = get_keyword (the_header->text->string, &field); if ((strcmp (keyword, "TO") == 0) || (strcmp (keyword, "CC") == 0) || (strcmp (keyword, "BCC") == 0)) { size += 1 + strlen (field); for (rem = the_header->text->continuation; rem != NIL; rem = rem->continuation) size += 1 + strlen (rem->string); } the_header = the_header->next; } while (the_header != old); return size; } static void parse_header (header the_header, register char *where) { register header old = the_header; do { char *field; register char *keyword = get_keyword (the_header->text->string, &field); if (strcmp (keyword, "TO") == 0) where = add_field (the_header->text->continuation, field, where); else if (strcmp (keyword, "CC") == 0) where = add_field (the_header->text->continuation, field, where); else if (strcmp (keyword, "BCC") == 0) { where = add_field (the_header->text->continuation, field, where); the_header->previous->next = the_header->next; the_header->next->previous = the_header->previous; } else if (strcmp (keyword, "FCC") == 0) setup_files (the_header->text->continuation, field); the_header = the_header->next; } while (the_header != old); *where = '\0'; return; } static header read_header (void) { register header the_header = ((header) NULL); register line_list *next_line = ((line_list *) NULL); init_linebuffer (&lb); do { long length; register char *line; readline (&lb, stdin); line = lb.buffer; length = strlen (line); if (length == 0) break; if (has_keyword (line)) { register header old = the_header; the_header = new_header (); if (old == ((header) NULL)) { the_header->next = the_header; the_header->previous = the_header; } else { the_header->previous = old; the_header->next = old->next; old->next = the_header; } next_line = &(the_header->text); } if (next_line == ((line_list *) NULL)) { /* Not a valid header */ exit (1); } *next_line = new_list (); (*next_line)->string = alloc_string ((size_t) length); strcpy (((*next_line)->string), line); next_line = &((*next_line)->continuation); *next_line = NIL; } while (true); return the_header->next; } static void write_header (header the_header) { register header old = the_header; do { register line_list the_list; for (the_list = the_header->text; the_list != NIL; the_list = the_list->continuation) put_line (the_list->string); the_header = the_header->next; } while (the_header != old); put_line (""); return; } int main (int argc, char *argv[]) { char *command_line; header the_header; long name_length; char *mail_program_name; char buf[BUFLEN + 1]; register int size; FILE *the_pipe; mail_program_name = getenv ("FAKEMAILER"); if (!(mail_program_name && *mail_program_name)) mail_program_name = (char *) MAIL_PROGRAM_NAME; name_length = strlen (mail_program_name); my_name = MY_NAME; the_streams = ((stream_list) NULL); the_date = (char *) NULL; the_user = (char *) NULL; the_header = read_header (); command_line = alloc_string ((size_t) (name_length + args_size (the_header))); strcpy (command_line, mail_program_name); parse_header (the_header, &command_line[name_length]); the_pipe = popen (command_line, "w"); if (the_pipe == ((FILE *) NULL)) fatal ("cannot open pipe to real mailer", (char *) NULL); add_a_stream (the_pipe, pclose); write_header (the_header); /* Dump the message itself */ while (!feof (stdin)) { size = fread (buf, 1, BUFLEN, stdin); buf[size] = '\0'; put_string (buf); } return close_the_streams (); } #endif /* not BSD 4.2 (or newer) */