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author | victor <victor@63ad8ddf-47c3-0310-b6dd-a9e9d9715204> | 2003-08-15 14:13:29 +0800 |
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committer | victor <victor@63ad8ddf-47c3-0310-b6dd-a9e9d9715204> | 2003-08-15 14:13:29 +0800 |
commit | 3650a80bc5adbf783393f9f479c9dfd71e2f6dc5 (patch) | |
tree | 3cb2e60fd0dfc0d516b243142ffba12d5a273500 /util/util_record.c | |
parent | 25ac9df6116c1e90f768374b71f1a1b54b0df430 (diff) | |
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merge util_record.c to mbbsd/record.c
git-svn-id: http://opensvn.csie.org/pttbbs/trunk/pttbbs@1096 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
Diffstat (limited to 'util/util_record.c')
-rw-r--r-- | util/util_record.c | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/util/util_record.c b/util/util_record.c deleted file mode 100644 index 80a7ff56..00000000 --- a/util/util_record.c +++ /dev/null @@ -1,246 +0,0 @@ -/* $Id: util_record.c,v 1.4 2003/05/15 08:27:23 in2 Exp $ */ -#include <stdio.h> -#include <stdlib.h> -#include <errno.h> -#include <string.h> -#include <unistd.h> -#include <time.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/file.h> -#include "config.h" -#include "pttstruct.h" -#include "modes.h" -#include "proto.h" - -#undef HAVE_MMAP -#define BUFSIZE 512 - -extern char *str_reply; - -static void PttLock(int fd, int size, int mode) { - static struct flock lock_it; - int ret; - - lock_it.l_whence = SEEK_CUR; /* from current point */ - lock_it.l_start = 0; /* -"- */ - lock_it.l_len = size; /* length of data */ - lock_it.l_type = mode; /* set exclusive/write lock */ - lock_it.l_pid = 0; /* pid not actually interesting */ - while((ret = fcntl(fd, F_SETLKW, &lock_it)) < 0 && errno == EINTR); -} - -#define safewrite write - -int get_num_records(char *fpath, int size) { - struct stat st; - if(stat(fpath, &st) == -1) - return 0; - return st.st_size / size; -} - -int get_sum_records(char* fpath, int size) { - struct stat st; - long ans = 0; - FILE* fp; - fileheader_t fhdr; - char buf[200], *p; - - if(!(fp = fopen(fpath, "r"))) - return -1; - - strcpy(buf, fpath); - p = strrchr(buf, '/') + 1; - - while(fread(&fhdr, size, 1, fp) == 1) { - strcpy(p, fhdr.filename); - if(stat(buf, &st) == 0 && S_ISREG(st.st_mode) && st.st_nlink == 1) - ans += st.st_size; - } - fclose(fp); - return ans / 1024; -} - -int get_record(char *fpath, void *rptr, int size, int id) { - int fd = -1; - - if(id < 1 || (fd = open(fpath, O_RDONLY, 0)) != -1) { - if(lseek(fd, (off_t)(size * (id - 1)), SEEK_SET) != -1) { - if(read(fd, rptr, size) == size) { - close(fd); - return 0; - } - } - close(fd); - } - return -1; -} - -int get_records(char *fpath, void *rptr, int size, int id, int number) { - int fd; - - if(id < 1 || (fd = open(fpath, O_RDONLY, 0)) == -1) - return -1; - - if(lseek(fd, (off_t)(size * (id - 1)), SEEK_SET) == -1) { - close(fd); - return 0; - } - if((id = read(fd, rptr, size * number)) == -1) { - close(fd); - return -1; - } - close(fd); - return id / size; -} - -int substitute_record(char *fpath, void *rptr, int size, int id) { - int fd; - -#ifdef POSTBUG - if(size == sizeof(fileheader) && (id > 1) && ((id - 1) % 4 == 0)) - saverecords(fpath, size, id); -#endif - - if(id < 1 || (fd = open(fpath, O_WRONLY | O_CREAT, 0644)) == -1) - return -1; - -#ifdef HAVE_REPORT - if(lseek(fd, (off_t)(size * (id - 1)), SEEK_SET) == -1) - report("substitute_record failed!!! (lseek)"); - PttLock(fd, size, F_WRLCK); - if(safewrite(fd, rptr, size) != size) - report("substitute_record failed!!! (safewrite)"); - PttLock(fd, size, F_UNLCK); -#else - lseek(fd, (off_t) (size * (id - 1)), SEEK_SET); - PttLock(fd, size, F_WRLCK); - safewrite(fd, rptr, size); - PttLock(fd, size, F_UNLCK); -#endif - close(fd); - -#ifdef POSTBUG - if(size == sizeof(fileheader) && (id > 1) && ((id - 1) % 4 == 0)) - restorerecords(fpath, size, id); -#endif - - return 0; -} - -int apply_record(char *fpath, int (*fptr)(), int size) { - char abuf[BUFSIZE]; - FILE* fp; - - if(!(fp = fopen(fpath, "r"))) - return -1; - - while(fread(abuf, 1, size, fp) == (unsigned)size) - if((*fptr) (abuf) == QUIT) { - fclose(fp); - return QUIT; - } - fclose(fp); - return 0; -} - -/* mail / post 時,依據時間建立檔案,加上郵戳 */ -int stampfile(char *fpath, fileheader_t *fh) { - register char *ip = fpath; - time_t dtime; - struct tm *ptime; - int fp = 0; - - if(access(fpath, X_OK | R_OK | W_OK)) - mkdir(fpath, 0755); - - time(&dtime); - while (*(++ip)); - *ip++ = '/'; - do { - sprintf(ip, "M.%ld.A.%3.3X", ++dtime, rand()&0xfff ); - if(fp == -1 && errno != EEXIST) - return -1; - } while((fp = open(fpath, O_CREAT | O_EXCL | O_WRONLY, 0644)) == -1); - close(fp); - memset(fh, 0, sizeof(fileheader_t)); - strcpy(fh->filename, ip); - ptime = localtime(&dtime); - sprintf(fh->date, "%2d/%02d", ptime->tm_mon + 1, ptime->tm_mday); - return 0; -} - -void stampdir(char *fpath, fileheader_t *fh) { - register char *ip = fpath; - time_t dtime; - struct tm *ptime; - - if(access(fpath, X_OK | R_OK | W_OK)) - mkdir(fpath, 0755); - - time(&dtime); - while(*(++ip)); - *ip++ = '/'; - do { - sprintf(ip, "D%lX", ++dtime & 07777); - } while(mkdir(fpath, 0755) == -1); - memset(fh, 0, sizeof(fileheader_t)); - strcpy(fh->filename, ip); - ptime = localtime(&dtime); - sprintf(fh->date, "%2d/%02d", ptime->tm_mon + 1, ptime->tm_mday); -} - -void stamplink(char *fpath, fileheader_t *fh) { - register char *ip = fpath; - time_t dtime; - struct tm *ptime; - - if(access(fpath, X_OK | R_OK | W_OK)) - mkdir(fpath, 0755); - - time(&dtime); - while(*(++ip)); - *ip++ = '/'; - do { - sprintf(ip, "S%lX", ++dtime ); - } while(symlink("temp", fpath) == -1); - memset(fh, 0, sizeof(fileheader_t)); - strcpy(fh->filename, ip); - ptime = localtime(&dtime); - sprintf(fh->date, "%2d/%02d", ptime->tm_mon + 1, ptime->tm_mday); -} - -int do_append(char *fpath, fileheader_t *record, int size) { - int fd; - - if((fd = open(fpath, O_WRONLY | O_CREAT, 0644)) == -1) { - perror("open"); - return -1; - } - flock(fd, LOCK_EX); - lseek(fd, 0, SEEK_END); - - safewrite(fd, record, size); - - flock(fd, LOCK_UN); - close(fd); - return 0; -} - -int append_record(char *fpath, fileheader_t *record, int size) { -#ifdef POSTBUG - int numrecs = (int)get_num_records(fpath, size); - - bug_possible = 1; - if(size == sizeof(fileheader) && numrecs && (numrecs % 4 == 0)) - saverecords(fpath, size, numrecs + 1); -#endif - do_append(fpath,record,size); - -#ifdef POSTBUG - if(size == sizeof(fileheader) && numrecs && (numrecs % 4 == 0)) - restorerecords(fpath, size, numrecs + 1); - bug_possible = 0; -#endif - return 0; -} |