migrate current files to trunk folder

git-svn-id: http://bbs.xjtu.edu.cn/svn/src_1.8/trunk@292 f42fd5fe-4285-48c1-adeb-af3d536d36ff

Author: IronBlood

BMfunc_patch/libythtbbs/article.c

@@ -0,0 +1,399 @@
+#include <fcntl.h>
+#include <errno.h>
+#include "ythtbbs.h"
+
+char *
+fh2fname(struct fileheader *fh)
+{
+	static char s[16];
+	sprintf(s, "M.%d.A", fh->filetime);
+	if (fh->accessed & FH_ISDIGEST)
+		s[0] = 'G';
+	if (fh->accessed & FILE_ISTOP1)  //add by wjbta
+	        s[0] = 'T';   
+	return s;
+}
+
+char *
+bknh2bknname(struct bknheader *bknh)
+{
+	static char s[16];
+	sprintf(s, "B.%d", bknh->filetime);
+	return s;
+}
+
+char *
+fh2owner(struct fileheader *fh)
+{
+	if (!fh->owner[0])
+		return "Anonymous";
+	else
+		return fh->owner;
+}
+
+char *
+fh2realauthor(struct fileheader *fh)
+{
+	if (!fh->owner[0])
+		return fh->owner + 1;
+	else
+		return fh->owner;
+}
+
+int
+fh2modifytime(struct fileheader *fh)
+{
+	if (fh->edittime)
+		return fh->edittime;
+	else
+		return fh->filetime;
+}
+
+void
+fh_setowner(struct fileheader *fh, char *owner, int anony)
+{
+	char *ptr;
+	bzero(fh->owner, sizeof (fh->owner));
+	if (anony) {
+		fh->owner[0] = 0;
+		strsncpy(fh->owner + 1, owner, sizeof (fh->owner) - 1);
+		return;
+	}
+	if (!*owner) {
+		*fh->owner = 0;
+		return;
+	}
+	strsncpy(fh->owner, owner, sizeof (fh->owner) - 1);
+	if (!strchr(owner, '@') && !strchr(owner, '.')) {
+		ptr = strchr(fh->owner, ' ');
+		if (ptr)
+			*ptr = 0;
+		return;
+	}
+	ptr = fh->owner + 1;
+	while (*ptr) {
+		if (*ptr == '@' || *ptr == '.' || *ptr == ' ') {
+			*ptr = '.';
+			*(ptr + 1) = 0;
+			return;
+		}
+		ptr++;
+	}
+	*--ptr = '.';
+	return;
+}
+
+int
+change_dir(char *direct, struct fileheader *fileinfo,
+	   void (*func(void *, void *)), int ent, int digestmode, int mode)
+{
+	int i, newent;
+	int fd;
+	int size = sizeof (struct fileheader);
+	struct fileheader xfh, newfileinfo;
+	struct flock ldata;
+	if (digestmode != 0)
+		return -1;
+	if ((fd = open(direct, O_RDWR, 0660)) == -1)
+		return -2;
+
+	if (mode)
+		memcpy(&newfileinfo, fileinfo, size);
+	newent = ent;
+	for (i = newent; i > 0; i--) {
+		if (lseek(fd, size * (i - 1), SEEK_SET) == -1) {
+			i = 0;
+			break;
+
+		}
+		if (read(fd, &xfh, size) != size) {
+			i = 0;
+			break;
+		}
+		if (fileinfo->filetime == xfh.filetime) {
+			newent = i;
+			break;
+		}
+	}
+	if (!i) {
+		close(fd);
+		return -3;
+	}
+	memcpy(fileinfo, &xfh, size);
+	ldata.l_type = F_WRLCK;
+	ldata.l_whence = 0;
+	ldata.l_len = size;
+	ldata.l_start = size * (newent - 1);
+	if (fcntl(fd, F_SETLKW, &ldata) == -1) {
+		errlog("reclock error %d", errno);
+		close(fd);
+		return -4;
+	}
+	(*func) (fileinfo, &newfileinfo);
+	if (lseek(fd, size * (newent - 1), SEEK_SET) == -1) {
+		errlog("subrec seek err %d", errno);
+		close(fd);
+		return -5;
+	}
+	if (write(fd, fileinfo, size) != size) {
+		errlog("subrec write err %d", errno);
+		close(fd);
+		return -6;
+	}
+	ldata.l_type = F_UNLCK;
+	fcntl(fd, F_SETLK, &ldata);
+	close(fd);
+	return 0;
+}
+
+#define SWITCH_FLAG(x, y) if(x & y) {x &= ~y;} else { x |= y;}
+
+void
+DIR_do_mark(struct fileheader *fileinfo, struct fileheader *newfileinfo)
+{
+	SWITCH_FLAG(fileinfo->accessed, FH_MARKED);
+}
+
+void
+DIR_do_digest(struct fileheader *fileinfo, struct fileheader *newfileinfo)
+{
+	SWITCH_FLAG(fileinfo->accessed, FH_DIGEST);
+}
+
+void
+DIR_do_underline(struct fileheader *fileinfo, struct fileheader *newfileinfo)
+{
+	SWITCH_FLAG(fileinfo->accessed, FH_NOREPLY);
+}
+
+void
+DIR_do_allcanre(struct fileheader *fileinfo, struct fileheader *newfileinfo)
+{
+	SWITCH_FLAG(fileinfo->accessed, FH_ALLREPLY);
+}
+
+void
+DIR_do_attach(struct fileheader *fileinfo, struct fileheader *newfileinfo)
+{
+	fileinfo->accessed |= FH_ATTACHED;
+}
+
+void
+DIR_clear_dangerous(struct fileheader *fileinfo, struct fileheader *newfileinfo)
+{
+	fileinfo->accessed &= ~FH_DANGEROUS;
+}
+
+void
+DIR_do_dangerous(struct fileheader *fileinfo, struct fileheader *newfileinfo)
+{
+	fileinfo->accessed |= FH_DANGEROUS;
+}
+
+void
+DIR_do_markdel(struct fileheader *fileinfo, struct fileheader *newfileinfo)
+{
+	SWITCH_FLAG(fileinfo->accessed, FH_DEL);
+}
+
+void
+DIR_do_mark_minus_del(struct fileheader *fileinfo, struct fileheader *newfileinfo)
+{								//add by mintbaggio@BMY 040321 for minus-postnums delete
+        SWITCH_FLAG(fileinfo->accessed, FH_MINUSDEL);
+}
+
+void
+DIR_do_edit(struct fileheader *fileinfo, struct fileheader *newfileinfo)
+{
+	fileinfo->sizebyte = newfileinfo->sizebyte;
+	fileinfo->edittime = newfileinfo->edittime;
+}
+
+void
+DIR_do_changetitle(struct fileheader *fileinfo, struct fileheader *newfileinfo)
+{
+	strncpy(fileinfo->title, newfileinfo->title, 60);
+	fileinfo->title[59] = 0;
+}
+
+void
+DIR_do_evaluate(struct fileheader *fileinfo, struct fileheader *newfileinfo)
+{
+	fileinfo->staravg50 = newfileinfo->staravg50;
+	fileinfo->hasvoted = newfileinfo->hasvoted;
+}
+
+void
+DIR_do_spec(struct fileheader *fileinfo, struct fileheader *newfileinfo)
+{
+	SWITCH_FLAG(fileinfo->accessed, FH_SPEC);
+}
+
+void
+DIR_do_import(struct fileheader *fileinfo, struct fileheader *newfileinfo)
+{
+	if (newfileinfo->accessed & FH_ANNOUNCE)
+		fileinfo->accessed |= FH_ANNOUNCE;
+}
+
+void
+DIR_do_suremarkdel(struct fileheader *fileinfo, struct fileheader *newfileinfo)
+{
+	fileinfo->accessed |= FH_DEL;
+}
+
+void                                                                             DIR_do_top(struct fileheader *fileinfo, struct fileheader *newfileinfo)         
+{                                                                                   SWITCH_FLAG(fileinfo->accessed, FILE_TOP1);                                   }                                                                                                                      
+
+int
+outgo_post(struct fileheader *fh, char *board, char *id, char *name)
+{
+	FILE *foo;
+	if (fh->accessed & FH_INND)
+		if ((foo = fopen("inndlog/out.bntp", "a"))) {
+			fprintf(foo, "%s\t%s\t%s\t%s\t%s\n", board,
+				fh2fname(fh), id, name, fh->title);
+			fclose(foo);
+		}
+	return 0;
+}
+
+/* modifying by ylsdd 
+ * unlink action is taked within cancelpost if in mail
+ * else this item is added to the file '.DELETED' under
+ * the board's directory, the filename is not changed.
+ * Unlike the fb code which moves the file to the deleted
+ * board.
+ *             */
+void
+cancelpost(char *board, char *userid, struct fileheader *fh, int owned)
+{
+	struct fileheader postfile;
+	FILE *fin;
+	int digestmode, len;
+	char buf[256], from[STRLEN], *ptr;
+	time_t now_t;
+	postfile = *fh;
+	postfile.accessed &= ~(FH_MARKED | FH_SPEC | FH_DIGEST);
+	postfile.deltime = time(&now_t) / (3600 * 24) % 100;
+	sprintf(buf, "%-32.32s - %s", fh->title, userid);
+	strsncpy(postfile.title, buf, sizeof (postfile.title));
+	digestmode = (owned) ? 5 : 4;
+	if (5 == digestmode)
+		sprintf(buf, MY_BBS_HOME "/boards/%s/.JUNK", board);
+	else
+		sprintf(buf, MY_BBS_HOME "/boards/%s/.DELETED", board);
+	append_record(buf, &postfile, sizeof (postfile));
+	if (strrchr(fh->owner, '.'))
+		return;
+	if ((fh->accessed & FH_INND) && fh->filetime > now_t - 14 * 86400) {
+		sprintf(buf, MY_BBS_HOME "/boards/%s/%s", board, fh2fname(fh));
+		from[0] = '\0';
+		if ((fin = fopen(buf, "r")) != NULL) {
+			while (fgets(buf, sizeof (buf), fin) != NULL) {
+				len = strlen(buf) - 1;
+				buf[len] = '\0';
+				if (len <= 8)
+					break;
+				if (strncmp(buf, "发信人: ", 8))
+					continue;
+				if ((ptr = strrchr(buf, ')')) != NULL) {
+					*ptr = '\0';
+					if ((ptr = strrchr(buf, '('))
+					    != NULL) {
+						strcpy(from, ptr + 1);
+						break;
+					}
+				}
+			}
+			fclose(fin);
+		}
+		sprintf(buf, "%s\t%s\t%s\t%s\t%s\n",
+			board, fh2fname(fh), fh->owner, from, fh->title);
+		if ((fin = fopen("inndlog/cancel.bntp", "a")) != NULL) {
+			fputs(buf, fin);
+			fclose(fin);
+		}
+	}
+}
+
+int
+cmp_title(char *title, struct fileheader *fh1)
+{
+	char *p1;
+	if (!strncasecmp(fh1->title, "Re:", 3))
+		p1 = fh1->title + 4;
+	else
+		p1 = fh1->title;
+	return (!strncmp(p1, title, 45));
+}
+
+int
+fh_find_thread(struct fileheader *fh, char *board)
+{
+	char direct[255];
+	char *p;
+	int i;
+	int start;
+	struct mmapfile mf = { ptr:NULL };
+	struct fileheader *buf1;
+	char *title = fh->title;
+	int size = sizeof(struct fileheader);
+	if (fh->thread != 0)
+		return 0;
+	fh->thread = fh->filetime;
+	sprintf(direct, MY_BBS_HOME "/boards/%s/.DIR", board);
+        if (mmapfile(direct, &mf) < 0)
+                return -1;
+	if (!strncasecmp(title, "Re:", 3))
+		p = title + 4;
+	else
+		p = title;
+	start = mf.size / size;
+	for (i = start, buf1 = (struct fileheader *)(mf.ptr + size * (start - 1)); i > start - 100 && i>0; i--, buf1 = (struct fileheader *)(mf.ptr + size * (i - 1)))
+		//仅在最近100篇内尝试搜索同主题
+		if (cmp_title(p, buf1)) {
+			if (buf1->thread != 0) {
+				fh->thread = buf1->thread;
+				break;
+			}
+		}
+	mmapfile(NULL, &mf);
+	return 0;
+}
+
+int
+Search_Bin(char *ptr, int key, int start, int end)
+{
+        // 在有序表中折半查找其关键字等于key的数据元素。
+        // 若查找到，返回索引
+	// 否则为大于key的最小数据元素索引m，返回(-m-1) 
+        int low, high, mid;
+	struct fileheader *totest;
+        low = start;
+        high = end;
+        while (low <= high) {
+                mid = (low + high) / 2;
+		totest = (struct fileheader *)(ptr + mid * sizeof(struct fileheader));
+                if (key == totest->filetime)
+                        return mid; 
+                else if (key < totest->filetime)
+                        high = mid - 1;
+                else
+                        low = mid + 1;
+        }
+        return -(low+1);
+}
+
+int
+add_edit_mark(char *fname, char *userid, time_t now_t, char *fromhost)
+{
+        FILE *fp;
+        if ((fp = fopen(fname, "a")) == NULL)
+                return 0;
+        fprintf(fp,
+                "\n※ 修改:．%s 于 %15.15s 修改本文．[FROM: %-.20s]",
+                userid, ctime(&now_t) + 4, fromhost);
+        fclose(fp);
+        return 0;
+}