-/*
- * A basic toolset containing miscellaneous functions for string manipluation,
- * encoding/decoding, and a bunch of other stuff.
- *
- * Copyright (c) 1987-2017 by the citadel.org team
- *
- * This program is open source 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 3 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 02111-1307 USA
- */
-
+// A basic toolset containing miscellaneous functions for string manipluation,
+// encoding/decoding, and a bunch of other stuff.
+//
+// Copyright (c) 1987-2022 by the citadel.org team
+//
+// This program is open source software. Use, duplication, or disclosure
+// is subject to the terms of the GNU General Public License, version 3.
#include <stdlib.h>
#include <unistd.h>
#include <sys/stat.h>
#include <errno.h>
#include <limits.h>
-#include "b64/cencode.h"
-#include "b64/cdecode.h"
#if TIME_WITH_SYS_TIME
# include <sys/time.h>
typedef unsigned char byte; /* Byte type */
-/*
- * copy a string into a buffer of a known size. abort if we exceed the limits
- *
- * dest the targetbuffer
- * src the source string
- * n the size od dest
- *
- * returns the number of characters copied if dest is big enough, -n if not.
- */
-int safestrncpy(char *dest, const char *src, size_t n)
-{
+// copy a string into a buffer of a known size. abort if we exceed the limits
+//
+// dest the targetbuffer
+// src the source string
+// n the size od dest
+//
+// returns the number of characters copied if dest is big enough, -n if not.
+int safestrncpy(char *dest, const char *src, size_t n) {
int i = 0;
if (dest == NULL || src == NULL)
}
-/*
- * num_tokens() - discover number of parameters/tokens in a string
- */
-int num_tokens(const char *source, char tok)
-{
+// num_tokens() - discover number of parameters/tokens in a string
+int num_tokens(const char *source, char tok) {
int count = 1;
const char *ptr = source;
- if (source == NULL)
- {
+ if (source == NULL) {
return (0);
}
- while (*ptr != '\0')
- {
- if (*ptr++ == tok)
- {
+ while (*ptr != '\0') {
+ if (*ptr++ == tok) {
++count;
}
}
}
-/*
- * extract_token() - a string tokenizer
- * returns -1 if not found, or length of token.
- */
-long extract_token(char *dest, const char *source, int parmnum, char separator, int maxlen)
-{
- const char *s; //* source * /
- int len = 0; //* running total length of extracted string * /
- int current_token = 0; //* token currently being processed * /
+// extract_token() - a string tokenizer
+// returns -1 if not found, or length of token.
+long extract_token(char *dest, const char *source, int parmnum, char separator, int maxlen) {
+ const char *s; // source
+ int len = 0; // running total length of extracted string
+ int current_token = 0; // token currently being processed
s = source;
- if (dest == NULL)
- {
+ if (dest == NULL) {
return(-1);
}
dest[0] = 0;
- if (s == NULL)
- {
+ if (s == NULL) {
return(-1);
}
maxlen--;
- while (*s)
- {
- if (*s == separator)
- {
+ while (*s) {
+ if (*s == separator) {
++current_token;
}
- if ( (current_token == parmnum) && (*s != separator) && (len < maxlen) )
- {
+ if ( (current_token == parmnum) && (*s != separator) && (len < maxlen) ) {
dest[len] = *s;
++len;
}
- else if ((current_token > parmnum) || (len >= maxlen))
- {
+ else if ((current_token > parmnum) || (len >= maxlen)) {
break;
}
++s;
}
dest[len] = '\0';
- if (current_token < parmnum)
- {
+ if (current_token < parmnum) {
return(-1);
}
return(len);
}
-/*
- * remove_token() - a tokenizer that kills, maims, and destroys
- */
-void remove_token(char *source, int parmnum, char separator)
-{
- char *d, *s; /* dest, source */
+// remove_token() - a tokenizer that kills, maims, and destroys
+void remove_token(char *source, int parmnum, char separator) {
+ char *d, *s; // dest, source
int count = 0;
/* Find desired parameter */
d = source;
- while (count < parmnum)
- {
- /* End of string, bail! */
+ while (count < parmnum) {
+ // End of string, bail!
if (!*d) {
d = NULL;
break;
}
- if (*d == separator)
- {
+ if (*d == separator) {
count++;
}
d++;
}
- if (!d) return; /* Parameter not found */
+ if (!d) return; // Parameter not found
- /* Find next parameter */
+ // Find next parameter
s = d;
- while (*s && *s != separator)
- {
+ while (*s && *s != separator) {
s++;
}
- /* Hack and slash */
+ // Hack and slash
if (*s)
strcpy(d, ++s);
else if (d == source)
}
-/*
- * extract_int() - extract an int parm w/o supplying a buffer
- */
-int extract_int(const char *source, int parmnum)
-{
+// extract_int() - extract an int parm without supplying a buffer
+int extract_int(const char *source, int parmnum) {
char buf[32];
if (extract_token(buf, source, parmnum, '|', sizeof buf) > 0)
}
-/*
- * extract_long() - extract an long parm w/o supplying a buffer
- */
-long extract_long(const char *source, int parmnum)
-{
+// extract_long() - extract an long parm without supplying a buffer
+long extract_long(const char *source, int parmnum) {
char buf[32];
if (extract_token(buf, source, parmnum, '|', sizeof buf) > 0)
}
-/*
- * extract_unsigned_long() - extract an unsigned long parm
- */
-unsigned long extract_unsigned_long(const char *source, int parmnum)
-{
+// extract_unsigned_long() - extract an unsigned long parm
+unsigned long extract_unsigned_long(const char *source, int parmnum) {
char buf[32];
if (extract_token(buf, source, parmnum, '|', sizeof buf) > 0)
}
-size_t CtdlEncodeBase64(char *dest, const char *source, size_t sourcelen, int linebreaks)
-{
- int breaklength = 68; // must be a multiple of 4
- int readlength = 3 * breaklength / 4;
-
- int destoffset;
- int sourceoffset;
- int sourceremaining;
-
- base64_encodestate _state;
-
- base64_init_encodestate(&_state);
-
- if (linebreaks) {
- sourceremaining = sourcelen;
- destoffset = 0;
- sourceoffset = 0;
-
- while (sourceremaining > 0) {
- destoffset += base64_encode_block(
- &(source[sourceoffset]),
- (readlength > sourceremaining ? sourceremaining : readlength),
- &(dest[destoffset]),
- &_state);
- sourceoffset += readlength;
- sourceremaining -= readlength;
- dest[destoffset++] = '\r';
- dest[destoffset++] = '\n';
- }
-
- destoffset += base64_encode_blockend(&(dest[destoffset]), &_state, 0);
- }
- else {
- destoffset = base64_encode_block(source, sourcelen, dest, &_state);
-
- destoffset += base64_encode_blockend(&(dest[destoffset]), &_state, 0);
- }
- dest[destoffset] = 0;
- return destoffset;
-}
-
-
-/*
- * Convert base64-encoded to binary. Returns the length of the decoded data.
- * It will stop after reading 'length' bytes.
- */
-int CtdlDecodeBase64(char *dest, const char *source, size_t length)
-{
- base64_decodestate _state;
- int len;
-
- base64_init_decodestate(&_state);
-
- len = base64_decode_block(source, length, dest, &_state);
- dest[len] = '\0';
- return len;
-}
-
-
-/*
- * if we send out non ascii subjects, we encode it this way.
- */
-char *rfc2047encode(const char *line, long length)
-{
+// if we send out non ascii subjects, we encode it this way.
+char *rfc2047encode(const char *line, long length) {
const char *AlreadyEncoded;
char *result;
long end;
/* check if we're already done */
AlreadyEncoded = strstr(line, "=?");
- if ((AlreadyEncoded != NULL) &&
- ((strstr(AlreadyEncoded, "?B?") != NULL)||
- (strstr(AlreadyEncoded, "?Q?") != NULL)))
- {
+ if ((AlreadyEncoded != NULL) && ((strstr(AlreadyEncoded, "?B?") != NULL)|| (strstr(AlreadyEncoded, "?Q?") != NULL))) {
return strdup(line);
}
result = (char*) malloc(sizeof(UTF8_HEADER) + 4 + length * 2);
strncpy (result, UTF8_HEADER, strlen (UTF8_HEADER));
- CtdlEncodeBase64(result + strlen(UTF8_HEADER), line, length, 0);
+ CtdlEncodeBase64(result + strlen(UTF8_HEADER), line, length, BASE64_NO_LINEBREAKS);
end = strlen (result);
result[end]='?';
result[end+1]='=';
return result;
}
-/*
- * removes double slashes from pathnames
- * allows / disallows trailing slashes
- */
-void StripSlashes(char *Dir, int TrailingSlash)
-{
+// removes double slashes from pathnames
+// allows / disallows trailing slashes
+void StripSlashes(char *Dir, int TrailingSlash) {
char *a, *b;
a = b = Dir;
}
-/*
- * Strip leading and trailing spaces from a string
- */
+// Strip leading and trailing spaces from a string
size_t striplt(char *buf) {
char *first_nonspace = NULL;
char *last_nonspace = NULL;
* ch the char to search
* returns the number of times ch appears in st
*/
-int haschar(const char *st, int ch)
-{
+int haschar(const char *st, int ch) {
const char *ptr;
int b;
b = 0;
* Determine whether the specified message number is contained within the
* specified sequence set.
*/
-int is_msg_in_sequence_set(const char *mset, long msgnum)
-{
+int is_msg_in_sequence_set(const char *mset, long msgnum) {
int num_sets;
int s;
char setstr[128], lostr[128], histr[128];
* maxlen Size of string buffer
* returns pointer to the source memory right after we stopped reading.
*/
-char *memreadline(char *start, char *buf, int maxlen)
-{
+char *memreadline(char *start, char *buf, int maxlen) {
char ch;
char *ptr;
int len = 0; /* tally our own length to avoid strlen() delays */
* retlen the length of the returned string
* returns a pointer to the source memory right after we stopped reading.
*/
-char *memreadlinelen(char *start, char *buf, int maxlen, int *retlen)
-{
+char *memreadlinelen(char *start, char *buf, int maxlen, int *retlen) {
char ch;
char *ptr;
int len = 0; /* tally our own length to avoid strlen() delays */
return (NULL);
}
+
/*
* bmstrcasestr() -- case-insensitive substring search
*
}
-
-
/*
* bmstrcasestr() -- case-insensitive substring search
*
return (NULL);
}
+
/*
* bmstrcasestr() -- case-insensitive substring search
*
return _cbmstrcasestr_len(text, textlen, pattern, patlen);
}
+
const char *cbmstrcasestr_len(const char *text, size_t textlen, const char *pattern, size_t patlen) {
return _cbmstrcasestr_len(text, textlen, pattern, patlen);
}
+
/*
* Local replacement for controversial C library function that generates
* names for temporary files. Included to shut up compiler warnings.
}
-
/*
* Determine whether the specified message number is contained within the specified set.
* Returns nonzero if the specified message number is in the specified message set string.
int is_msg_in_mset(const char *mset, long msgnum) {
int num_sets;
int s;
- char setstr[SIZ], lostr[SIZ], histr[SIZ]; /* was 1024 */
+ char setstr[SIZ], lostr[SIZ], histr[SIZ];
long lo, hi;
- /*
- * Now set it for all specified messages.
- */
+ // Now set it for all specified messages.
num_sets = num_tokens(mset, ',');
for (s=0; s<num_sets; ++s) {
extract_token(setstr, mset, s, ',', sizeof setstr);
}
-/*
- * searches for a pattern within a search string
- * returns position in string
- */
-int pattern2(char *search, char *patn)
-{
+// searches for a pattern within a search string
+// returns position in string
+int pattern2(char *search, char *patn) {
int a;
int len, plen;
len = strlen (search);
* buf - the string to modify
* len - length of the string.
*/
-void stripltlen(char *buf, int *len)
-{
+void stripltlen(char *buf, int *len) {
int delta = 0;
if (*len == 0) return;
while ((*len > delta) && (isspace(buf[delta]))){
/*
* Convert all whitespace characters in a supplied string to underscores
*/
-void convert_spaces_to_underscores(char *str)
-{
+void convert_spaces_to_underscores(char *str) {
int len;
int i;
/*
* check whether the provided string needs to be qp encoded or not
*/
-int CheckEncode(const char *pch, long len, const char *pche)
-{
+int CheckEncode(const char *pch, long len, const char *pche) {
if (pche == NULL)
pche = pch + len;
while (pch < pche) {
projects / citadel.git / blobdiff