/*
* Strip leading and trailing spaces from a string
*/
-void striplt(char *buf)
-{
- size_t len;
- int a;
+size_t striplt(char *buf) {
+ char *first_nonspace = NULL;
+ char *last_nonspace = NULL;
+ char *ptr;
+ size_t new_len = 0;
- if (buf==NULL) return;
- if (IsEmptyStr(buf)) return;
- len = strlen(buf);
- while ((!IsEmptyStr(buf)) && (isspace(buf[len - 1])))
- buf[--len] = 0;
- if (IsEmptyStr(buf)) return;
- a = 0;
- while ((!IsEmptyStr(buf)) && (isspace(buf[a])))
- a++;
- if (a > 0)
- memmove(buf, &buf[a], len - a + 1);
-}
+ if (!buf) {
+ return 0;
+ }
+ for (ptr=buf; *ptr!=0; ++ptr) {
+ if (!isspace(*ptr)) {
+ if (!first_nonspace) {
+ first_nonspace = ptr;
+ }
+ last_nonspace = ptr;
+ }
+ }
+ if ((!first_nonspace) || (!last_nonspace)) {
+ buf[0] = 0;
+ return 0;
+ }
+ new_len = last_nonspace - first_nonspace + 1;
+ memcpy(buf, first_nonspace, new_len);
+ buf[new_len] = 0;
+ return new_len;
+}
/**
* 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];
* Strip a boundarized substring out of a string (for example, remove
* parentheses and anything inside them).
*/
-void stripout(char *str, char leftboundary, char rightboundary) {
+int stripout(char *str, char leftboundary, char rightboundary) {
int a;
int lb = (-1);
int rb = (-1);
if ( (lb > 0) && (rb > lb) ) {
strcpy(&str[lb - 1], &str[rb + 1]);
+ return 1;
}
else if ( (lb == 0) && (rb > lb) ) {
strcpy(str, &str[rb + 1]);
+ return 1;
}
-
+ return 0;
}
* The code is roughly based on the strstr() replacement from 'tin' written
* by Urs Jannsen.
*/
-char *bmstrcasestr(char *text, char *pattern) {
+inline char *_bmstrcasestr_len(char *text, size_t textlen, char *pattern, size_t patlen) {
register unsigned char *p, *t;
register int i, j, *delta;
register size_t p1;
int deltaspace[256];
- size_t textlen;
- size_t patlen;
if (!text) return(NULL);
if (!pattern) return(NULL);
- textlen = strlen (text);
- patlen = strlen (pattern);
-
/* algorithm fails if pattern is empty */
if ((p1 = patlen) == 0)
return (text);
return (NULL);
}
+/*
+ * bmstrcasestr() -- case-insensitive substring search
+ *
+ * This uses the Boyer-Moore search algorithm and is therefore quite fast.
+ * The code is roughly based on the strstr() replacement from 'tin' written
+ * by Urs Jannsen.
+ */
+char *bmstrcasestr(char *text, char *pattern) {
+ size_t textlen;
+ size_t patlen;
+ if (!text) return(NULL);
+ if (!pattern) return(NULL);
+
+ textlen = strlen (text);
+ patlen = strlen (pattern);
+
+ return _bmstrcasestr_len(text, textlen, pattern, patlen);
+}
+
+char *bmstrcasestr_len(char *text, size_t textlen, char *pattern, size_t patlen) {
+ return _bmstrcasestr_len(text, textlen, pattern, patlen);
+}
/*
* Local replacement for controversial C library function that generates
* 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)
{
}
-/*
- * Parse a URL into host, port number, and resource identifier.
- * (This is used by various functions which might need to fetch web pages.)
- */
-int parse_url(char *url, char *hostname, int *port, char *identifier)
-{
- char protocol[1024];
- char scratch[1024];
- char *ptr = NULL;
- char *nptr = NULL;
-
- strcpy(scratch, url);
- ptr = (char *)strchr(scratch, ':');
- if (!ptr) {
- return(1); /* no protocol specified */
- }
-
- strcpy(ptr, "");
- strcpy(protocol, scratch);
- if (strcmp(protocol, "http")) {
- return(2); /* not HTTP */
- }
-
- strcpy(scratch, url);
- ptr = (char *) strstr(scratch, "//");
- if (!ptr) {
- return(3); /* no server specified */
- }
- ptr += 2;
-
- strcpy(hostname, ptr);
- nptr = (char *)strchr(ptr, ':');
- if (!nptr) {
- *port = 80; /* default */
- nptr = (char *)strchr(hostname, '/');
- }
- else {
- sscanf(nptr, ":%d", port);
- nptr = (char *)strchr(hostname, ':');
- }
-
- if (nptr) {
- *nptr = '\0';
- }
-
- nptr = (char *)strchr(ptr, '/');
-
- if (!nptr) {
- return(4); /* no url specified */
- }
-
- strcpy(identifier, nptr);
- return(0);
-}
-
-