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commands.c
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commands.c
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/**
* @file
* Functions to parse commands in a config file
*
* @authors
* Copyright (C) 1996-2002,2007,2010,2012-2013,2016 Michael R. Elkins <me@mutt.org>
* Copyright (C) 2004 g10 Code GmbH
* Copyright (C) 2019-2023 Richard Russon <rich@flatcap.org>
* Copyright (C) 2020 Aditya De Saha <adityadesaha@gmail.com>
* Copyright (C) 2020 Matthew Hughes <matthewhughes934@gmail.com>
* Copyright (C) 2020 R Primus <rprimus@gmail.com>
* Copyright (C) 2020-2022 Pietro Cerutti <gahr@gahr.ch>
* Copyright (C) 2022 Marco Sirabella <marco@sirabella.org>
* Copyright (C) 2023 Dennis Schön <mail@dennis-schoen.de>
*
* @copyright
* This program 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 of the License, or (at your option) any later
* version.
*
* This program 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
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @page neo_commands Functions to parse commands in a config file
*
* Functions to parse commands in a config file
*/
#include "config.h"
#include <errno.h>
#include <limits.h>
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <unistd.h>
#include "mutt/lib.h"
#include "address/lib.h"
#include "config/lib.h"
#include "email/lib.h"
#include "core/lib.h"
#include "alias/lib.h"
#include "gui/lib.h"
#include "mutt.h"
#include "commands.h"
#include "attach/lib.h"
#include "color/lib.h"
#include "imap/lib.h"
#include "key/lib.h"
#include "menu/lib.h"
#include "pager/lib.h"
#include "parse/lib.h"
#include "store/lib.h"
#include "alternates.h"
#include "globals.h"
#include "muttlib.h"
#include "mx.h"
#include "score.h"
#include "version.h"
#ifdef USE_INOTIFY
#include "monitor.h"
#endif
#ifdef ENABLE_NLS
#include <libintl.h>
#endif
/// LIFO designed to contain the list of config files that have been sourced and
/// avoid cyclic sourcing.
static struct ListHead MuttrcStack = STAILQ_HEAD_INITIALIZER(MuttrcStack);
#define MAX_ERRS 128
/**
* enum TriBool - Tri-state boolean
*/
enum TriBool
{
TB_UNSET = -1, ///< Value hasn't been set
TB_FALSE, ///< Value is false
TB_TRUE, ///< Value is true
};
/**
* enum GroupState - Type of email address group
*/
enum GroupState
{
GS_NONE, ///< Group is missing an argument
GS_RX, ///< Entry is a regular expression
GS_ADDR, ///< Entry is an address
};
/**
* is_function - Is the argument a neomutt function?
* @param name Command name to be searched for
* @retval true Function found
* @retval false Function not found
*/
static bool is_function(const char *name)
{
for (size_t i = 0; MenuNames[i].name; i++)
{
const struct MenuFuncOp *fns = km_get_table(MenuNames[i].value);
if (!fns)
continue;
for (int j = 0; fns[j].name; j++)
if (mutt_str_equal(name, fns[j].name))
return true;
}
return false;
}
/**
* parse_grouplist - Parse a group context
* @param gl GroupList to add to
* @param buf Temporary Buffer space
* @param s Buffer containing string to be parsed
* @param err Buffer for error messages
* @retval 0 Success
* @retval -1 Error
*/
int parse_grouplist(struct GroupList *gl, struct Buffer *buf, struct Buffer *s,
struct Buffer *err)
{
while (mutt_istr_equal(buf->data, "-group"))
{
if (!MoreArgs(s))
{
buf_strcpy(err, _("-group: no group name"));
return -1;
}
parse_extract_token(buf, s, TOKEN_NO_FLAGS);
mutt_grouplist_add(gl, mutt_pattern_group(buf->data));
if (!MoreArgs(s))
{
buf_strcpy(err, _("out of arguments"));
return -1;
}
parse_extract_token(buf, s, TOKEN_NO_FLAGS);
}
return 0;
}
/**
* parse_rc_line_cwd - Parse and run a muttrc line in a relative directory
* @param line Line to be parsed
* @param cwd File relative where to run the line
* @param err Where to write error messages
* @retval #CommandResult Result e.g. #MUTT_CMD_SUCCESS
*/
enum CommandResult parse_rc_line_cwd(const char *line, char *cwd, struct Buffer *err)
{
mutt_list_insert_head(&MuttrcStack, mutt_str_dup(NONULL(cwd)));
enum CommandResult ret = parse_rc_line(line, err);
struct ListNode *np = STAILQ_FIRST(&MuttrcStack);
STAILQ_REMOVE_HEAD(&MuttrcStack, entries);
FREE(&np->data);
FREE(&np);
return ret;
}
/**
* mutt_get_sourced_cwd - Get the current file path that is being parsed
* @retval ptr File path that is being parsed or cwd at runtime
*
* @note Caller is responsible for freeing returned string
*/
char *mutt_get_sourced_cwd(void)
{
struct ListNode *np = STAILQ_FIRST(&MuttrcStack);
if (np && np->data)
return mutt_str_dup(np->data);
// stack is empty, return our own dummy file relative to cwd
struct Buffer *cwd = buf_pool_get();
mutt_path_getcwd(cwd);
buf_addstr(cwd, "/dummy.rc");
char *ret = buf_strdup(cwd);
buf_pool_release(&cwd);
return ret;
}
/**
* source_rc - Read an initialization file
* @param rcfile_path Path to initialization file
* @param err Buffer for error messages
* @retval <0 NeoMutt should pause to let the user know
*/
int source_rc(const char *rcfile_path, struct Buffer *err)
{
int lineno = 0, rc = 0, warnings = 0;
enum CommandResult line_rc;
struct Buffer *token = NULL, *linebuf = NULL;
char *line = NULL;
char *currentline = NULL;
char rcfile[PATH_MAX] = { 0 };
size_t linelen = 0;
pid_t pid;
mutt_str_copy(rcfile, rcfile_path, sizeof(rcfile));
size_t rcfilelen = mutt_str_len(rcfile);
if (rcfilelen == 0)
return -1;
bool ispipe = rcfile[rcfilelen - 1] == '|';
if (!ispipe)
{
struct ListNode *np = STAILQ_FIRST(&MuttrcStack);
if (!mutt_path_to_absolute(rcfile, np ? NONULL(np->data) : ""))
{
mutt_error(_("Error: Can't build path of '%s'"), rcfile_path);
return -1;
}
STAILQ_FOREACH(np, &MuttrcStack, entries)
{
if (mutt_str_equal(np->data, rcfile))
{
break;
}
}
if (np)
{
mutt_error(_("Error: Cyclic sourcing of configuration file '%s'"), rcfile);
return -1;
}
mutt_list_insert_head(&MuttrcStack, mutt_str_dup(rcfile));
}
mutt_debug(LL_DEBUG2, "Reading configuration file '%s'\n", rcfile);
FILE *fp = mutt_open_read(rcfile, &pid);
if (!fp)
{
buf_printf(err, "%s: %s", rcfile, strerror(errno));
return -1;
}
token = buf_pool_get();
linebuf = buf_pool_get();
const char *const c_config_charset = cs_subset_string(NeoMutt->sub, "config_charset");
const char *const c_charset = cc_charset();
while ((line = mutt_file_read_line(line, &linelen, fp, &lineno, MUTT_RL_CONT)) != NULL)
{
const bool conv = c_config_charset && c_charset;
if (conv)
{
currentline = mutt_str_dup(line);
if (!currentline)
continue;
mutt_ch_convert_string(¤tline, c_config_charset, c_charset, MUTT_ICONV_NO_FLAGS);
}
else
{
currentline = line;
}
buf_strcpy(linebuf, currentline);
buf_reset(err);
line_rc = parse_rc_buffer(linebuf, token, err);
if (line_rc == MUTT_CMD_ERROR)
{
mutt_error("%s:%d: %s", rcfile, lineno, buf_string(err));
if (--rc < -MAX_ERRS)
{
if (conv)
FREE(¤tline);
break;
}
}
else if (line_rc == MUTT_CMD_WARNING)
{
/* Warning */
mutt_warning("%s:%d: %s", rcfile, lineno, buf_string(err));
warnings++;
}
else if (line_rc == MUTT_CMD_FINISH)
{
if (conv)
FREE(¤tline);
break; /* Found "finish" command */
}
else
{
if (rc < 0)
rc = -1;
}
if (conv)
FREE(¤tline);
}
FREE(&line);
mutt_file_fclose(&fp);
if (pid != -1)
filter_wait(pid);
if (rc)
{
/* the neomuttrc source keyword */
buf_reset(err);
buf_printf(err, (rc >= -MAX_ERRS) ? _("source: errors in %s") : _("source: reading aborted due to too many errors in %s"),
rcfile);
rc = -1;
}
else
{
/* Don't alias errors with warnings */
if (warnings > 0)
{
buf_printf(err, ngettext("source: %d warning in %s", "source: %d warnings in %s", warnings),
warnings, rcfile);
rc = -2;
}
}
if (!ispipe && !STAILQ_EMPTY(&MuttrcStack))
{
struct ListNode *np = STAILQ_FIRST(&MuttrcStack);
STAILQ_REMOVE_HEAD(&MuttrcStack, entries);
FREE(&np->data);
FREE(&np);
}
buf_pool_release(&token);
buf_pool_release(&linebuf);
return rc;
}
/**
* parse_cd - Parse the 'cd' command - Implements Command::parse() - @ingroup command_parse
*/
static enum CommandResult parse_cd(struct Buffer *buf, struct Buffer *s,
intptr_t data, struct Buffer *err)
{
parse_extract_token(buf, s, TOKEN_NO_FLAGS);
buf_expand_path(buf);
if (buf_is_empty(buf))
{
if (HomeDir)
{
buf_strcpy(buf, HomeDir);
}
else
{
buf_printf(err, _("%s: too few arguments"), "cd");
return MUTT_CMD_ERROR;
}
}
if (chdir(buf_string(buf)) != 0)
{
buf_printf(err, "cd: %s", strerror(errno));
return MUTT_CMD_ERROR;
}
return MUTT_CMD_SUCCESS;
}
/**
* parse_echo - Parse the 'echo' command - Implements Command::parse() - @ingroup command_parse
*/
static enum CommandResult parse_echo(struct Buffer *buf, struct Buffer *s,
intptr_t data, struct Buffer *err)
{
if (!MoreArgs(s))
{
buf_printf(err, _("%s: too few arguments"), "echo");
return MUTT_CMD_WARNING;
}
parse_extract_token(buf, s, TOKEN_NO_FLAGS);
OptForceRefresh = true;
mutt_message("%s", buf->data);
OptForceRefresh = false;
mutt_sleep(0);
return MUTT_CMD_SUCCESS;
}
/**
* parse_finish - Parse the 'finish' command - Implements Command::parse() - @ingroup command_parse
* @retval #MUTT_CMD_FINISH Stop processing the current file
* @retval #MUTT_CMD_WARNING Failed
*
* If the 'finish' command is found, we should stop reading the current file.
*/
static enum CommandResult parse_finish(struct Buffer *buf, struct Buffer *s,
intptr_t data, struct Buffer *err)
{
if (MoreArgs(s))
{
buf_printf(err, _("%s: too many arguments"), "finish");
return MUTT_CMD_WARNING;
}
return MUTT_CMD_FINISH;
}
/**
* parse_group - Parse the 'group' and 'ungroup' commands - Implements Command::parse() - @ingroup command_parse
*/
static enum CommandResult parse_group(struct Buffer *buf, struct Buffer *s,
intptr_t data, struct Buffer *err)
{
struct GroupList gl = STAILQ_HEAD_INITIALIZER(gl);
enum GroupState gstate = GS_NONE;
do
{
parse_extract_token(buf, s, TOKEN_NO_FLAGS);
if (parse_grouplist(&gl, buf, s, err) == -1)
goto bail;
if ((data == MUTT_UNGROUP) && mutt_istr_equal(buf->data, "*"))
{
mutt_grouplist_clear(&gl);
goto out;
}
if (mutt_istr_equal(buf->data, "-rx"))
{
gstate = GS_RX;
}
else if (mutt_istr_equal(buf->data, "-addr"))
{
gstate = GS_ADDR;
}
else
{
switch (gstate)
{
case GS_NONE:
buf_printf(err, _("%sgroup: missing -rx or -addr"),
(data == MUTT_UNGROUP) ? "un" : "");
goto warn;
case GS_RX:
if ((data == MUTT_GROUP) &&
(mutt_grouplist_add_regex(&gl, buf->data, REG_ICASE, err) != 0))
{
goto bail;
}
else if ((data == MUTT_UNGROUP) &&
(mutt_grouplist_remove_regex(&gl, buf->data) < 0))
{
goto bail;
}
break;
case GS_ADDR:
{
char *estr = NULL;
struct AddressList al = TAILQ_HEAD_INITIALIZER(al);
mutt_addrlist_parse2(&al, buf->data);
if (TAILQ_EMPTY(&al))
goto bail;
if (mutt_addrlist_to_intl(&al, &estr))
{
buf_printf(err, _("%sgroup: warning: bad IDN '%s'"),
(data == 1) ? "un" : "", estr);
mutt_addrlist_clear(&al);
FREE(&estr);
goto bail;
}
if (data == MUTT_GROUP)
mutt_grouplist_add_addrlist(&gl, &al);
else if (data == MUTT_UNGROUP)
mutt_grouplist_remove_addrlist(&gl, &al);
mutt_addrlist_clear(&al);
break;
}
}
}
} while (MoreArgs(s));
out:
mutt_grouplist_destroy(&gl);
return MUTT_CMD_SUCCESS;
bail:
mutt_grouplist_destroy(&gl);
return MUTT_CMD_ERROR;
warn:
mutt_grouplist_destroy(&gl);
return MUTT_CMD_WARNING;
}
/**
* parse_ifdef - Parse the 'ifdef' and 'ifndef' commands - Implements Command::parse() - @ingroup command_parse
*
* The 'ifdef' command allows conditional elements in the config file.
* If a given variable, function, command or compile-time symbol exists, then
* read the rest of the line of config commands.
* e.g.
* ifdef sidebar source ~/.neomutt/sidebar.rc
*
* If (data == 1) then it means use the 'ifndef' (if-not-defined) command.
* e.g.
* ifndef imap finish
*/
static enum CommandResult parse_ifdef(struct Buffer *buf, struct Buffer *s,
intptr_t data, struct Buffer *err)
{
parse_extract_token(buf, s, TOKEN_NO_FLAGS);
if (buf_is_empty(buf))
{
buf_printf(err, _("%s: too few arguments"), (data ? "ifndef" : "ifdef"));
return MUTT_CMD_WARNING;
}
// is the item defined as:
bool res = cs_subset_lookup(NeoMutt->sub, buf->data) // a variable?
|| feature_enabled(buf->data) // a compiled-in feature?
|| is_function(buf->data) // a function?
|| command_get(buf->data) // a command?
#ifdef USE_HCACHE
|| store_is_valid_backend(buf->data) // a store? (database)
#endif
|| mutt_str_getenv(buf->data); // an environment variable?
if (!MoreArgs(s))
{
buf_printf(err, _("%s: too few arguments"), (data ? "ifndef" : "ifdef"));
return MUTT_CMD_WARNING;
}
parse_extract_token(buf, s, TOKEN_SPACE);
/* ifdef KNOWN_SYMBOL or ifndef UNKNOWN_SYMBOL */
if ((res && (data == 0)) || (!res && (data == 1)))
{
enum CommandResult rc = parse_rc_line(buf->data, err);
if (rc == MUTT_CMD_ERROR)
{
mutt_error(_("Error: %s"), buf_string(err));
return MUTT_CMD_ERROR;
}
return rc;
}
return MUTT_CMD_SUCCESS;
}
/**
* parse_ignore - Parse the 'ignore' command - Implements Command::parse() - @ingroup command_parse
*/
static enum CommandResult parse_ignore(struct Buffer *buf, struct Buffer *s,
intptr_t data, struct Buffer *err)
{
do
{
parse_extract_token(buf, s, TOKEN_NO_FLAGS);
remove_from_stailq(&UnIgnore, buf->data);
add_to_stailq(&Ignore, buf->data);
} while (MoreArgs(s));
return MUTT_CMD_SUCCESS;
}
/**
* parse_lists - Parse the 'lists' command - Implements Command::parse() - @ingroup command_parse
*/
static enum CommandResult parse_lists(struct Buffer *buf, struct Buffer *s,
intptr_t data, struct Buffer *err)
{
struct GroupList gl = STAILQ_HEAD_INITIALIZER(gl);
do
{
parse_extract_token(buf, s, TOKEN_NO_FLAGS);
if (parse_grouplist(&gl, buf, s, err) == -1)
goto bail;
mutt_regexlist_remove(&UnMailLists, buf->data);
if (mutt_regexlist_add(&MailLists, buf->data, REG_ICASE, err) != 0)
goto bail;
if (mutt_grouplist_add_regex(&gl, buf->data, REG_ICASE, err) != 0)
goto bail;
} while (MoreArgs(s));
mutt_grouplist_destroy(&gl);
return MUTT_CMD_SUCCESS;
bail:
mutt_grouplist_destroy(&gl);
return MUTT_CMD_ERROR;
}
/**
* mailbox_add - Add a new Mailbox
* @param folder Path to use for '+' abbreviations
* @param mailbox Mailbox to add
* @param label Descriptive label
* @param poll Enable mailbox polling?
* @param notify Enable mailbox notification?
* @param err Buffer for error messages
* @retval #CommandResult Result e.g. #MUTT_CMD_SUCCESS
*/
static enum CommandResult mailbox_add(const char *folder, const char *mailbox,
const char *label, enum TriBool poll,
enum TriBool notify, struct Buffer *err)
{
mutt_debug(LL_DEBUG1, "Adding mailbox: '%s' label '%s', poll %s, notify %s\n",
mailbox, label ? label : "[NONE]",
(poll == TB_UNSET) ? "[UNSPECIFIED]" :
(poll == TB_TRUE) ? "true" :
"false",
(notify == TB_UNSET) ? "[UNSPECIFIED]" :
(notify == TB_TRUE) ? "true" :
"false");
struct Mailbox *m = mailbox_new();
buf_strcpy(&m->pathbuf, mailbox);
/* int rc = */ mx_path_canon2(m, folder);
if (m->type <= MUTT_UNKNOWN)
{
buf_printf(err, "Unknown Mailbox: %s", m->realpath);
mailbox_free(&m);
return MUTT_CMD_ERROR;
}
bool new_account = false;
struct Account *a = mx_ac_find(m);
if (!a)
{
a = account_new(NULL, NeoMutt->sub);
a->type = m->type;
new_account = true;
}
if (!new_account)
{
struct Mailbox *m_old = mx_mbox_find(a, m->realpath);
if (m_old)
{
if (!m_old->visible)
{
m_old->visible = true;
m_old->gen = mailbox_gen();
}
if (label)
mutt_str_replace(&m_old->name, label);
if (notify != TB_UNSET)
m_old->notify_user = notify;
if (poll != TB_UNSET)
m_old->poll_new_mail = poll;
struct EventMailbox ev_m = { m_old };
notify_send(m_old->notify, NT_MAILBOX, NT_MAILBOX_CHANGE, &ev_m);
mailbox_free(&m);
return MUTT_CMD_SUCCESS;
}
}
if (label)
m->name = mutt_str_dup(label);
if (notify != TB_UNSET)
m->notify_user = notify;
if (poll != TB_UNSET)
m->poll_new_mail = poll;
if (!mx_ac_add(a, m))
{
mailbox_free(&m);
if (new_account)
{
cs_subset_free(&a->sub);
FREE(&a->name);
notify_free(&a->notify);
FREE(&a);
}
return MUTT_CMD_SUCCESS;
}
if (new_account)
{
neomutt_account_add(NeoMutt, a);
}
// this is finally a visible mailbox in the sidebar and mailboxes list
m->visible = true;
#ifdef USE_INOTIFY
mutt_monitor_add(m);
#endif
return MUTT_CMD_SUCCESS;
}
/**
* mailbox_add_simple - Add a new Mailbox
* @param mailbox Mailbox to add
* @param err Buffer for error messages
* @retval true Success
*/
bool mailbox_add_simple(const char *mailbox, struct Buffer *err)
{
enum CommandResult rc = mailbox_add("", mailbox, NULL, TB_UNSET, TB_UNSET, err);
return (rc == MUTT_CMD_SUCCESS);
}
/**
* parse_mailboxes - Parse the 'mailboxes' command - Implements Command::parse() - @ingroup command_parse
*
* This is also used by 'virtual-mailboxes'.
*/
enum CommandResult parse_mailboxes(struct Buffer *buf, struct Buffer *s,
intptr_t data, struct Buffer *err)
{
enum CommandResult rc = MUTT_CMD_WARNING;
struct Buffer *label = buf_pool_get();
struct Buffer *mailbox = buf_pool_get();
const char *const c_folder = cs_subset_string(NeoMutt->sub, "folder");
while (MoreArgs(s))
{
bool label_set = false;
enum TriBool notify = TB_UNSET;
enum TriBool poll = TB_UNSET;
do
{
// Start by handling the options
parse_extract_token(buf, s, TOKEN_NO_FLAGS);
if (mutt_str_equal(buf_string(buf), "-label"))
{
if (!MoreArgs(s))
{
buf_printf(err, _("%s: too few arguments"), "mailboxes -label");
goto done;
}
parse_extract_token(label, s, TOKEN_NO_FLAGS);
label_set = true;
}
else if (mutt_str_equal(buf_string(buf), "-nolabel"))
{
buf_reset(label);
label_set = true;
}
else if (mutt_str_equal(buf_string(buf), "-notify"))
{
notify = TB_TRUE;
}
else if (mutt_str_equal(buf_string(buf), "-nonotify"))
{
notify = TB_FALSE;
}
else if (mutt_str_equal(buf_string(buf), "-poll"))
{
poll = TB_TRUE;
}
else if (mutt_str_equal(buf_string(buf), "-nopoll"))
{
poll = TB_FALSE;
}
else if ((data & MUTT_NAMED) && !label_set)
{
if (!MoreArgs(s))
{
buf_printf(err, _("%s: too few arguments"), "named-mailboxes");
goto done;
}
buf_copy(label, buf);
label_set = true;
}
else
{
buf_copy(mailbox, buf);
break;
}
} while (MoreArgs(s));
if (buf_is_empty(mailbox))
{
buf_printf(err, _("%s: too few arguments"), "mailboxes");
goto done;
}
rc = mailbox_add(c_folder, buf_string(mailbox),
label_set ? buf_string(label) : NULL, poll, notify, err);
if (rc != MUTT_CMD_SUCCESS)
goto done;
buf_reset(label);
buf_reset(mailbox);
}
rc = MUTT_CMD_SUCCESS;
done:
buf_pool_release(&label);
buf_pool_release(&mailbox);
return rc;
}
/**
* parse_my_hdr - Parse the 'my_hdr' command - Implements Command::parse() - @ingroup command_parse
*/
enum CommandResult parse_my_hdr(struct Buffer *buf, struct Buffer *s,
intptr_t data, struct Buffer *err)
{
parse_extract_token(buf, s, TOKEN_SPACE | TOKEN_QUOTE);
char *p = strpbrk(buf->data, ": \t");
if (!p || (*p != ':'))
{
buf_strcpy(err, _("invalid header field"));
return MUTT_CMD_WARNING;
}
struct EventHeader ev_h = { buf->data };
struct ListNode *n = header_find(&UserHeader, buf->data);
if (n)
{
header_update(n, buf->data);
mutt_debug(LL_NOTIFY, "NT_HEADER_CHANGE: %s\n", buf->data);
notify_send(NeoMutt->notify, NT_HEADER, NT_HEADER_CHANGE, &ev_h);
}
else
{
header_add(&UserHeader, buf->data);
mutt_debug(LL_NOTIFY, "NT_HEADER_ADD: %s\n", buf->data);
notify_send(NeoMutt->notify, NT_HEADER, NT_HEADER_ADD, &ev_h);
}
return MUTT_CMD_SUCCESS;
}
/**
* set_dump - Dump list of config variables into a file/pager
* @param flags what configs to dump: see #ConfigDumpFlags
* @param err buffer for error message
* @return num See #CommandResult
*
* FIXME: Move me into parse/set.c. Note: this function currently depends on
* pager, which is the reason it is not included in the parse library.
*/
enum CommandResult set_dump(ConfigDumpFlags flags, struct Buffer *err)
{
struct Buffer *tempfile = buf_pool_get();
buf_mktemp(tempfile);
FILE *fp_out = mutt_file_fopen(buf_string(tempfile), "w");
if (!fp_out)
{
// L10N: '%s' is the file name of the temporary file
buf_printf(err, _("Could not create temporary file %s"), buf_string(tempfile));
buf_pool_release(&tempfile);
return MUTT_CMD_ERROR;
}
dump_config(NeoMutt->sub->cs, flags, fp_out);
mutt_file_fclose(&fp_out);
struct PagerData pdata = { 0 };
struct PagerView pview = { &pdata };
pdata.fname = buf_string(tempfile);
pview.banner = "set";
pview.flags = MUTT_PAGER_NO_FLAGS;
pview.mode = PAGER_MODE_OTHER;
mutt_do_pager(&pview, NULL);
buf_pool_release(&tempfile);
return MUTT_CMD_SUCCESS;
}
/**
* envlist_sort - Compare two environment strings - Implements ::sort_t - @ingroup sort_api
*/
static int envlist_sort(const void *a, const void *b, void *sdata)
{
return strcmp(*(const char **) a, *(const char **) b);
}
/**
* parse_setenv - Parse the 'setenv' and 'unsetenv' commands - Implements Command::parse() - @ingroup command_parse
*/
static enum CommandResult parse_setenv(struct Buffer *buf, struct Buffer *s,
intptr_t data, struct Buffer *err)
{
char **envp = EnvList;
bool query = false;
bool prefix = false;
bool unset = (data == MUTT_SET_UNSET);
if (!MoreArgs(s))
{
if (!StartupComplete)
{
buf_printf(err, _("%s: too few arguments"), "setenv");
return MUTT_CMD_WARNING;
}
struct Buffer *tempfile = buf_pool_get();
buf_mktemp(tempfile);
FILE *fp_out = mutt_file_fopen(buf_string(tempfile), "w");
if (!fp_out)
{
// L10N: '%s' is the file name of the temporary file
buf_printf(err, _("Could not create temporary file %s"), buf_string(tempfile));
buf_pool_release(&tempfile);
return MUTT_CMD_ERROR;
}
int count = 0;
for (char **env = EnvList; *env; env++)
count++;
mutt_qsort_r(EnvList, count, sizeof(char *), envlist_sort, NULL);
for (char **env = EnvList; *env; env++)
fprintf(fp_out, "%s\n", *env);
mutt_file_fclose(&fp_out);
struct PagerData pdata = { 0 };
struct PagerView pview = { &pdata };
pdata.fname = buf_string(tempfile);
pview.banner = "setenv";
pview.flags = MUTT_PAGER_NO_FLAGS;
pview.mode = PAGER_MODE_OTHER;
mutt_do_pager(&pview, NULL);
buf_pool_release(&tempfile);
return MUTT_CMD_SUCCESS;
}
if (*s->dptr == '?')
{
query = true;
prefix = true;
if (unset)
{
buf_printf(err, _("Can't query option with the '%s' command"), "unsetenv");
return MUTT_CMD_WARNING;
}
s->dptr++;
}
/* get variable name */
parse_extract_token(buf, s, TOKEN_EQUAL | TOKEN_QUESTION);
if (*s->dptr == '?')
{
if (unset)
{
buf_printf(err, _("Can't query option with the '%s' command"), "unsetenv");
return MUTT_CMD_WARNING;
}
if (prefix)
{
buf_printf(err, _("Can't use a prefix when querying a variable"));