#define FALSE 0
typedef unsigned char byte; /* Byte type */
-static byte dtable[256] = "\0"; /* base64 decode table */
-static byte etable[256] = "\0"; /* base64 encode table */
-char *safestrncpy(char *dest, const char *src, size_t n)
+/* Base64 encoding table */
+const byte etable[256] = {
+ 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81,
+ 82, 83, 84, 85, 86, 87, 88, 89, 90, 97, 98, 99, 100, 101, 102, 103,
+ 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117,
+ 118, 119, 120, 121, 122, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 43,
+ 47, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+
+/* Base64 decoding table */
+const byte dtable[256] = {
+ 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+ 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+ 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+ 128, 62, 128, 128, 128, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61,
+ 128, 128, 128, 0, 128, 128, 128, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
+ 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 128, 128, 128,
+ 128, 128, 128, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
+ 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 128, 128, 128, 128,
+ 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+ 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+ 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+ 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+ 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+ 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+ 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+ 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+ 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+ 128, 128, 0
+};
+
+/*
+ * 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;
do {
dest[i] = src[i];
- if (dest[i] == 0) return(dest);
+ if (dest[i] == 0) return i;
++i;
} while (i<n);
dest[n - 1] = 0;
- return dest;
+ return -i;
}
}
-
-void CtdlInitBase64Table(void)
-{
- int i;
- /* Fill dtable with character encodings. */
-
- /* Encoder Table */
- for (i = 0; i < 26; i++) {
- etable[i] = 'A' + i;
- etable[26 + i] = 'a' + i;
- }
- for (i = 0; i < 10; i++) {
- etable[52 + i] = '0' + i;
- }
- etable[62] = '+';
- etable[63] = '/';
-
- /* Decoder Table */
- for (i = 0; i < 255; i++) {
- dtable[i] = 0x80;
- }
- for (i = 'A'; i <= 'Z'; i++) {
- dtable[i] = 0 + (i - 'A');
- }
- for (i = 'a'; i <= 'z'; i++) {
- dtable[i] = 26 + (i - 'a');
- }
- for (i = '0'; i <= '9'; i++) {
- dtable[i] = 52 + (i - '0');
- }
- dtable['+'] = 62;
- dtable['/'] = 63;
- dtable['='] = 0;
-}
-
-
/*
* CtdlDecodeBase64() and CtdlEncodeBase64() are adaptations of code by John Walker.
*/
int dpos = 0;
int thisline = 0;
- /** Fill dtable with character encodings. */
-
- for (i = 0; i < 26; i++) {
- dtable[i] = 'A' + i;
- dtable[26 + i] = 'a' + i;
- }
- for (i = 0; i < 10; i++) {
- dtable[52 + i] = '0' + i;
- }
- dtable[62] = '+';
- dtable[63] = '/';
-
while (!hiteof) {
byte igroup[3], ogroup[4];
int c, n;
igroup[n] = (byte) c;
}
if (n > 0) {
- ogroup[0] = dtable[igroup[0] >> 2];
+ ogroup[0] = etable[igroup[0] >> 2];
ogroup[1] =
- dtable[((igroup[0] & 3) << 4) |
+ etable[((igroup[0] & 3) << 4) |
(igroup[1] >> 4)];
ogroup[2] =
- dtable[((igroup[1] & 0xF) << 2) |
+ etable[((igroup[1] & 0xF) << 2) |
(igroup[2] >> 6)];
- ogroup[3] = dtable[igroup[2] & 0x3F];
+ ogroup[3] = etable[igroup[2] & 0x3F];
- /**
+ /*
* Replace characters in output stream with "=" pad
* characters if fewer than three characters were
* read from the end of the input stream.
int dpos = 0;
int spos = 0;
-
- /*CONSTANTCONDITION*/
while (TRUE) {
byte a[4], b[4], o[3];
return strdup(line);
}
- result = (char*) malloc(strlen(UTF8_HEADER) + 4 + length * 2);
+ result = (char*) malloc(sizeof(UTF8_HEADER) + 4 + length * 2);
strncpy (result, UTF8_HEADER, strlen (UTF8_HEADER));
CtdlEncodeBase64(result + strlen(UTF8_HEADER), line, length, 0);
end = strlen (result);
* Determine whether the specified message number is contained within the
* specified sequence set.
*/
-int is_msg_in_sequence_set(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];
size_t textlen;
size_t patlen;
+ if (!text) return(NULL);
+ if (!pattern) return(NULL);
+
textlen = strlen (text);
patlen = strlen (pattern);
int i = 0;
while (i++, i < 100) {
- snprintf(name, len, "/tmp/ctdl.%4lx.%04x",
+ snprintf(name, len, "/tmp/ctdl.%04lx.%04x",
(long)getpid(),
rand()
);
* 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(char *mset, long msgnum) {
+int is_msg_in_mset(const char *mset, long msgnum) {
int num_sets;
int s;
char setstr[SIZ], lostr[SIZ], histr[SIZ]; /* was 1024 */
/*
- * \brief searches for a paternn within asearch string
- * \param search the string to search
- * \param patn the pattern to find in string
- * \returns position in string
+ * searches for a pattern within a search string
+ * returns position in string
*/
int pattern2(char *search, char *patn)
{
}
-/**
- * \brief Strip leading and trailing spaces from a string; with premeasured and adjusted length.
- * \param buf the string to modify
- * \param len length of the string.
+/*
+ * Strip leading and trailing spaces from a string; with premeasured and adjusted length.
+ * buf - the string to modify
+ * len - length of the string.
*/
void stripltlen(char *buf, int *len)
{
}
}
+/**
+ * \brief detect whether this char starts an utf-8 encoded char
+ * \param Char character to inspect
+ * \returns yes or no
+ */
+inline int Ctdl_IsUtf8SequenceStart(char Char)
+{
+/** 11??.???? indicates an UTF8 Sequence. */
+ return ((Char & 0xC0) != 0);
+}
+
+/**
+ * \brief evaluate the length of an utf8 special character sequence
+ * \param Char the character to examine
+ * \returns width of utf8 chars in bytes
+ */
+inline int Ctdl_GetUtf8SequenceLength(char Char)
+{
+ int n = 1;
+ char test = (1<<7);
+
+ while ((n < 8) && ((test & Char) != 0)) {
+ test = test << 1;
+ n ++;
+ }
+ if (n > 6)
+ n = 1;
+ return n;
+}
+
+/**
+ * \brief measure the number of glyphs in an UTF8 string...
+ * \param str string to measure
+ * \returns the length of str
+ */
+int Ctdl_Utf8StrLen(char *str)
+{
+ int n = 0;
+ int m = 0;
+ char *aptr;
+
+ if (str == NULL)
+ return n;
+ aptr = str;
+ while (*aptr != '\0') {
+ if (Ctdl_IsUtf8SequenceStart(*aptr)){
+ m = Ctdl_GetUtf8SequenceLength(*aptr);
+ while ((m-- > 0) && (*aptr++ != '\0'))
+ n ++;
+ }
+ else {
+ n++;
+ aptr++;
+ }
+
+ }
+ return n;
+}
+
+/**
+ * \brief cuts a string after maxlen glyphs
+ * \param str string to cut to maxlen glyphs
+ * \param maxlen how long may the string become?
+ * \returns pointer to maxlen or the end of the string
+ */
+char *Ctdl_Utf8StrCut(char *str, int maxlen)
+{
+ int n = 0, m = 0;
+ char *aptr;
+
+ if (str == NULL)
+ return NULL;
+ aptr = str;
+ while (*aptr != '\0') {
+ if (Ctdl_IsUtf8SequenceStart(*aptr)){
+ m = Ctdl_GetUtf8SequenceLength(*aptr);
+ while ((m-- > 0) && (*aptr++ != '\0'))
+ n ++;
+ }
+ else {
+ n++;
+ aptr++;
+ }
+ if (n > maxlen) {
+ *aptr = '\0';
+ return aptr;
+ }
+ }
+ return aptr;
+}
+
+
+/*
+ * Convert all whitespace characters in a supplied string to underscores
+ */
+void convert_spaces_to_underscores(char *str)
+{
+ int len;
+ int i;
+
+ if (!str) return;
+
+ len = strlen(str);
+ for (i=0; i<len; ++i) {
+ if (isspace(str[i])) {
+ str[i] = '_';
+ }
+ }
+}
+
+