/*
+ * Copyright notice from original mutt:
* Copyright (C) 1996-2000 Michael R. Elkins <me@mutt.org>
* Copyright (C) 1999-2000 Thomas Roessler <roessler@does-not-exist.org>
- *
- * 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, write to the Free
- * Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111, USA.
+ *
+ * This file is part of mutt-ng, see http://www.muttng.org/.
+ * It's licensed under the GNU General Public License,
+ * please see the file GPL in the top level source directory.
*/
/*
#include <fcntl.h>
#include <pwd.h>
+#ifdef HAVE_SYSEXITS_H
+#include <sysexits.h>
+#else /* Make sure EX_OK is defined <philiph@pobox.com> */
+#define EX_OK 0
+#endif
+
+#include <lib-lib/macros.h>
+#include <lib-lib/mem.h>
+#include <lib-lib/str.h>
+
#include "lib.h"
-extern short Umask;
+#include "lib/debug.h"
+
+static struct sysexits
+{
+ int v;
+ const char *str;
+}
+sysexits_h[] =
+{
+#ifdef EX_USAGE
+ { 0xff & EX_USAGE, "Bad usage." },
+#endif
+#ifdef EX_DATAERR
+ { 0xff & EX_DATAERR, "Data format error." },
+#endif
+#ifdef EX_NOINPUT
+ { 0xff & EX_NOINPUT, "Cannot open input." },
+#endif
+#ifdef EX_NOUSER
+ { 0xff & EX_NOUSER, "User unknown." },
+#endif
+#ifdef EX_NOHOST
+ { 0xff & EX_NOHOST, "Host unknown." },
+#endif
+#ifdef EX_UNAVAILABLE
+ { 0xff & EX_UNAVAILABLE, "Service unavailable." },
+#endif
+#ifdef EX_SOFTWARE
+ { 0xff & EX_SOFTWARE, "Internal error." },
+#endif
+#ifdef EX_OSERR
+ { 0xff & EX_OSERR, "Operating system error." },
+#endif
+#ifdef EX_OSFILE
+ { 0xff & EX_OSFILE, "System file missing." },
+#endif
+#ifdef EX_CANTCREAT
+ { 0xff & EX_CANTCREAT, "Can't create output." },
+#endif
+#ifdef EX_IOERR
+ { 0xff & EX_IOERR, "I/O error." },
+#endif
+#ifdef EX_TEMPFAIL
+ { 0xff & EX_TEMPFAIL, "Deferred." },
+#endif
+#ifdef EX_PROTOCOL
+ { 0xff & EX_PROTOCOL, "Remote protocol error." },
+#endif
+#ifdef EX_NOPERM
+ { 0xff & EX_NOPERM, "Insufficient permission." },
+#endif
+#ifdef EX_CONFIG
+ { 0xff & EX_NOPERM, "Local configuration error." },
+#endif
+ { S_ERR, "Exec error." },
+ { -1, NULL}
+};
void mutt_nocurses_error (const char *fmt, ...)
{
fputc ('\n', stderr);
}
-void *safe_calloc (size_t nmemb, size_t size)
-{
- void *p;
-
- if (!nmemb || !size)
- return NULL;
-
- if (((size_t) - 1) / nmemb <= size) {
- mutt_error _("Integer overflow -- can't allocate memory!");
-
- sleep (1);
- mutt_exit (1);
- }
-
- if (!(p = calloc (nmemb, size))) {
- mutt_error _("Out of memory!");
-
- sleep (1);
- mutt_exit (1);
- }
- return p;
-}
-
-void *safe_malloc (size_t siz)
-{
- void *p;
-
- if (siz == 0)
- return 0;
- if ((p = (void *) malloc (siz)) == 0) { /* __MEM_CHECKED__ */
- mutt_error _("Out of memory!");
-
- sleep (1);
- mutt_exit (1);
- }
- return (p);
-}
-
-void safe_realloc (void *ptr, size_t siz)
-{
- void *r;
- void **p = (void **) ptr;
-
- if (siz == 0) {
- if (*p) {
- free (*p); /* __MEM_CHECKED__ */
- *p = NULL;
- }
- return;
- }
-
- if (*p)
- r = (void *) realloc (*p, siz); /* __MEM_CHECKED__ */
- else {
- /* realloc(NULL, nbytes) doesn't seem to work under SunOS 4.1.x --- __MEM_CHECKED__ */
- r = (void *) malloc (siz); /* __MEM_CHECKED__ */
- }
-
- if (!r) {
- mutt_error _("Out of memory!");
-
- sleep (1);
- mutt_exit (1);
- }
-
- *p = r;
-}
-
-void safe_free (void *ptr)
-{
- void **p = (void **) ptr;
-
- if (*p) {
- free (*p); /* __MEM_CHECKED__ */
- *p = 0;
- }
-}
-
-int safe_fclose (FILE ** f)
-{
- int r = 0;
-
- if (*f)
- r = fclose (*f);
-
- *f = NULL;
- return r;
-}
-
-char *safe_strdup (const char *s)
-{
- char *p;
- size_t l;
-
- if (!s || !*s)
- return 0;
- l = strlen (s) + 1;
- p = (char *) safe_malloc (l);
- memcpy (p, s, l);
- return (p);
-}
-
-char *safe_strcat (char *d, size_t l, const char *s)
-{
- char *p = d;
-
- if (!l)
- return d;
-
- l--; /* Space for the trailing '\0'. */
-
- for (; *d && l; l--)
- d++;
- for (; *s && l; l--)
- *d++ = *s++;
-
- *d = '\0';
-
- return p;
-}
-
-char *safe_strncat (char *d, size_t l, const char *s, size_t sl)
-{
- char *p = d;
-
- if (!l)
- return d;
-
- l--; /* Space for the trailing '\0'. */
-
- for (; *d && l; l--)
- d++;
- for (; *s && l && sl; l--, sl--)
- *d++ = *s++;
-
- *d = '\0';
-
- return p;
-}
-
-
-void mutt_str_replace (char **p, const char *s)
-{
- FREE (p);
- *p = safe_strdup (s);
-}
-
-void mutt_str_adjust (char **p)
-{
- if (!p || !*p)
- return;
- safe_realloc (p, strlen (*p) + 1);
-}
-
-/* convert all characters in the string to lowercase */
-char *mutt_strlower (char *s)
-{
- char *p = s;
-
- while (*p) {
- *p = tolower ((unsigned char) *p);
- p++;
- }
-
- return (s);
-}
-
-void mutt_unlink (const char *s)
-{
- int fd;
- int flags;
- FILE *f;
- struct stat sb, sb2;
- char buf[2048];
-
- /* Defend against symlink attacks */
-
-#ifdef O_NOFOLLOW
- flags = O_RDWR | O_NOFOLLOW;
-#else
- flags = O_RDWR;
-#endif
-
- if (lstat (s, &sb) == 0 && S_ISREG (sb.st_mode)) {
- if ((fd = open (s, flags)) < 0)
- return;
-
- if ((fstat (fd, &sb2) != 0) || !S_ISREG (sb2.st_mode)
- || (sb.st_dev != sb2.st_dev) || (sb.st_ino != sb2.st_ino)) {
- close (fd);
- return;
- }
-
- if ((f = fdopen (fd, "r+"))) {
- unlink (s);
- memset (buf, 0, sizeof (buf));
- while (sb.st_size > 0) {
- fwrite (buf, 1, MIN (sizeof (buf), sb.st_size), f);
- sb.st_size -= MIN (sizeof (buf), sb.st_size);
- }
- fclose (f);
- }
- }
-}
-
-int mutt_copy_bytes (FILE * in, FILE * out, size_t size)
-{
- char buf[2048];
- size_t chunk;
-
- while (size > 0) {
- chunk = (size > sizeof (buf)) ? sizeof (buf) : size;
- if ((chunk = fread (buf, 1, chunk, in)) < 1)
- break;
- if (fwrite (buf, 1, chunk, out) != chunk) {
- /* dprint (1, (debugfile, "mutt_copy_bytes(): fwrite() returned short byte count\n")); */
- return (-1);
- }
- size -= chunk;
- }
-
- return 0;
-}
-
-int mutt_copy_stream (FILE * fin, FILE * fout)
-{
- size_t l;
- char buf[LONG_STRING];
-
- while ((l = fread (buf, 1, sizeof (buf), fin)) > 0) {
- if (fwrite (buf, 1, l, fout) != l)
- return (-1);
- }
-
- return 0;
-}
-
-static int compare_stat (struct stat *osb, struct stat *nsb)
-{
- if (osb->st_dev != nsb->st_dev || osb->st_ino != nsb->st_ino ||
- osb->st_rdev != nsb->st_rdev) {
- return -1;
- }
-
- return 0;
-}
-
-int safe_symlink (const char *oldpath, const char *newpath)
-{
- struct stat osb, nsb;
-
- if (!oldpath || !newpath)
- return -1;
-
- if (unlink (newpath) == -1 && errno != ENOENT)
- return -1;
-
- if (oldpath[0] == '/') {
- if (symlink (oldpath, newpath) == -1)
- return -1;
- }
- else {
- char abs_oldpath[_POSIX_PATH_MAX];
-
- if ((getcwd (abs_oldpath, sizeof abs_oldpath) == NULL) ||
- (strlen (abs_oldpath) + 1 + strlen (oldpath) + 1 >
- sizeof abs_oldpath))
- return -1;
-
- strcat (abs_oldpath, "/"); /* __STRCAT_CHECKED__ */
- strcat (abs_oldpath, oldpath); /* __STRCAT_CHECKED__ */
- if (symlink (abs_oldpath, newpath) == -1)
- return -1;
- }
-
- if (stat (oldpath, &osb) == -1 || stat (newpath, &nsb) == -1
- || compare_stat (&osb, &nsb) == -1) {
- unlink (newpath);
- return -1;
- }
-
- return 0;
-}
-
-/*
- * This function is supposed to do nfs-safe renaming of files.
- *
- * Warning: We don't check whether src and target are equal.
- */
-
-int safe_rename (const char *src, const char *target)
-{
- struct stat ssb, tsb;
-
- if (!src || !target)
- return -1;
-
- if (link (src, target) != 0) {
-
- /*
- * Coda does not allow cross-directory links, but tells
- * us it's a cross-filesystem linking attempt.
- *
- * However, the Coda rename call is allegedly safe to use.
- *
- * With other file systems, rename should just fail when
- * the files reside on different file systems, so it's safe
- * to try it here.
- *
- */
-
- if (errno == EXDEV)
- return rename (src, target);
-
- return -1;
- }
-
- /*
- * Stat both links and check if they are equal.
- */
-
- if (stat (src, &ssb) == -1) {
- return -1;
- }
-
- if (stat (target, &tsb) == -1) {
- return -1;
- }
-
- /*
- * pretend that the link failed because the target file
- * did already exist.
- */
-
- if (compare_stat (&ssb, &tsb) == -1) {
- errno = EEXIST;
- return -1;
- }
-
- /*
- * Unlink the original link. Should we really ignore the return
- * value here? XXX
- */
-
- unlink (src);
-
- return 0;
-}
-
-int safe_open (const char *path, int flags)
-{
- struct stat osb, nsb;
- int fd;
-
- umask (Umask);
- if ((fd = open (path, flags, 0666)) < 0)
- return fd;
-
- /* make sure the file is not symlink */
- if (lstat (path, &osb) < 0 || fstat (fd, &nsb) < 0 ||
- compare_stat (&osb, &nsb) == -1) {
-/* dprint (1, (debugfile, "safe_open(): %s is a symlink!\n", path)); */
- close (fd);
- return (-1);
- }
-
- return (fd);
-}
-
-/* when opening files for writing, make sure the file doesn't already exist
- * to avoid race conditions.
- */
-FILE *safe_fopen (const char *path, const char *mode)
-{
- /* first set the current umask */
- umask (Umask);
- if (mode[0] == 'w') {
- int fd;
- int flags = O_CREAT | O_EXCL;
-
-#ifdef O_NOFOLLOW
- flags |= O_NOFOLLOW;
-#endif
-
- if (mode[1] == '+')
- flags |= O_RDWR;
- else
- flags |= O_WRONLY;
-
- if ((fd = safe_open (path, flags)) < 0)
- return (NULL);
-
- return (fdopen (fd, mode));
- }
- else
- return (fopen (path, mode));
-}
-
-static char safe_chars[] =
- "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+@{}._-:%/";
-
-void mutt_sanitize_filename (char *f, short slash)
-{
- if (!f)
- return;
-
- for (; *f; f++) {
- if ((slash && *f == '/') || !strchr (safe_chars, *f))
- *f = '_';
- }
-}
/* these characters must be escaped in regular expressions */
return 0;
}
-/* Read a line from ``fp'' into the dynamically allocated ``s'',
- * increasing ``s'' if necessary. The ending "\n" or "\r\n" is removed.
- * If a line ends with "\", this char and the linefeed is removed,
- * and the next line is read too.
- */
-char *mutt_read_line (char *s, size_t * size, FILE * fp, int *line)
-{
- size_t offset = 0;
- char *ch;
-
- if (!s) {
- s = safe_malloc (STRING);
- *size = STRING;
- }
-
- FOREVER {
- if (fgets (s + offset, *size - offset, fp) == NULL) {
- FREE (&s);
- return NULL;
- }
- if ((ch = strchr (s + offset, '\n')) != NULL) {
- (*line)++;
- *ch = 0;
- if (ch > s && *(ch - 1) == '\r')
- *--ch = 0;
- if (ch == s || *(ch - 1) != '\\')
- return s;
- offset = ch - s - 1;
- }
- else {
- int c;
-
- c = getc (fp); /* This is kind of a hack. We want to know if the
- char at the current point in the input stream is EOF.
- feof() will only tell us if we've already hit EOF, not
- if the next character is EOF. So, we need to read in
- the next character and manually check if it is EOF. */
- if (c == EOF) {
- /* The last line of fp isn't \n terminated */
- (*line)++;
- return s;
- }
- else {
- ungetc (c, fp); /* undo our dammage */
- /* There wasn't room for the line -- increase ``s'' */
- offset = *size - 1; /* overwrite the terminating 0 */
- *size += STRING;
- safe_realloc (&s, *size);
- }
- }
- }
-}
-
-char *mutt_substrcpy (char *dest, const char *beg, const char *end,
- size_t destlen)
-{
- size_t len;
-
- len = end - beg;
- if (len > destlen - 1)
- len = destlen - 1;
- memcpy (dest, beg, len);
- dest[len] = 0;
- return dest;
-}
-
-char *mutt_substrdup (const char *begin, const char *end)
-{
- size_t len;
- char *p;
-
- if (end)
- len = end - begin;
- else
- len = strlen (begin);
-
- p = safe_malloc (len + 1);
- memcpy (p, begin, len);
- p[len] = 0;
- return p;
-}
-
-/* prepare a file name to survive the shell's quoting rules.
- * From the Unix programming FAQ by way of Liviu.
- */
-
-size_t mutt_quote_filename (char *d, size_t l, const char *f)
-{
- size_t i, j = 0;
-
- if (!f) {
- *d = '\0';
- return 0;
- }
-
- /* leave some space for the trailing characters. */
- l -= 6;
-
- d[j++] = '\'';
-
- for (i = 0; j < l && f[i]; i++) {
- if (f[i] == '\'' || f[i] == '`') {
- d[j++] = '\'';
- d[j++] = '\\';
- d[j++] = f[i];
- d[j++] = '\'';
- }
- else
- d[j++] = f[i];
- }
-
- d[j++] = '\'';
- d[j] = '\0';
-
- return j;
-}
-
-/* NULL-pointer aware string comparison functions */
-
-int mutt_strcmp (const char *a, const char *b)
-{
- return strcmp (NONULL (a), NONULL (b));
-}
-
-int mutt_strcasecmp (const char *a, const char *b)
+const char *
+mutt_strsysexit(int e)
{
- return strcasecmp (NONULL (a), NONULL (b));
-}
-
-int mutt_strncmp (const char *a, const char *b, size_t l)
-{
- return strncmp (NONULL (a), NONULL (b), l);
-}
-
-int mutt_strncasecmp (const char *a, const char *b, size_t l)
-{
- return strncasecmp (NONULL (a), NONULL (b), l);
-}
-
-size_t mutt_strlen (const char *a)
-{
- return a ? strlen (a) : 0;
-}
-
-int mutt_strcoll (const char *a, const char *b)
-{
- return strcoll (NONULL (a), NONULL (b));
-}
-
-const char *mutt_stristr (const char *haystack, const char *needle)
-{
- const char *p, *q;
-
- if (!haystack)
- return NULL;
- if (!needle)
- return (haystack);
-
- while (*(p = haystack)) {
- for (q = needle;
- *p && *q &&
- tolower ((unsigned char) *p) == tolower ((unsigned char) *q);
- p++, q++);
- if (!*q)
- return (haystack);
- haystack++;
+ int i;
+
+ for(i = 0; sysexits_h[i].str; i++)
+ {
+ if(e == sysexits_h[i].v)
+ break;
}
- return NULL;
-}
-
-char *mutt_skip_whitespace (char *p)
-{
- SKIPWS (p);
- return p;
-}
-
-void mutt_remove_trailing_ws (char *s)
-{
- char *p;
-
- for (p = s + mutt_strlen (s) - 1; p >= s && ISSPACE (*p); p--)
- *p = 0;
-}
-
-char *mutt_concat_path (char *d, const char *dir, const char *fname, size_t l)
-{
- const char *fmt = "%s/%s";
-
- if (!*fname || (*dir && dir[strlen (dir) - 1] == '/'))
- fmt = "%s%s";
-
- snprintf (d, l, fmt, dir, fname);
- return d;
-}
-
-const char *mutt_basename (const char *f)
-{
- const char *p = strrchr (f, '/');
-
- if (p)
- return p + 1;
- else
- return f;
+
+ return sysexits_h[i].str;
}