/* $Id: file.c 2191 2004-09-10 00:49:47Z victor $ */
#include "bbs.h"
/**
* file.c 舫撠隞"銵"箏桐瑼獢摰蝢拍銝鈭 operation
**/
/**
* 喳 file 瑼銵
* @param file
*/
int file_count_line(char *file)
{
FILE *fp;
int count = 0;
char buf[200];
if ((fp = fopen(file, "r"))) {
while (fgets(buf, sizeof(buf), fp)) {
if (strchr(buf, '\n') == NULL)
continue;
count++;
}
fclose(fp);
}
return count;
}
/**
* 撠 string append 唳獢 file 敺蝡
* @param file 閬鋡 append 瑼
* @param string
* @return 喳 0嚗憭望喳 -1
*/
int file_append_line(char *file, char *string)
{
FILE *fp;
if ((fp = fopen(file, "a")) == NULL)
return -1;
flock(fileno(fp), LOCK_EX);
fputs(string, fp);
flock(fileno(fp), LOCK_UN);
fclose(fp);
return 0;
}
#ifndef _BBS_UTIL_C_
/**
* 敺瑼獢 file 銝剖芷 prefix string 瘥銝銵(撠敹 race)
* @param file
* @param string
* @param case_sensitive 摮銝脫撠臬 case sensitive
*/
int file_delete_line(char *file, char *string, int case_sensitive)
{
FILE *fp, *nfp = NULL;
char fnew[80];
char genbuf[STRLEN + 1];
sprintf(fnew, "%s.%3.3X", file, rand() & 0xFFF);
if ((fp = fopen(file, "r")) && (nfp = fopen(fnew, "w"))) {
int length = strlen(string);
while (fgets(genbuf, sizeof(genbuf), fp))
if ((genbuf[0] > ' ')) {
if (((case_sensitive && strncmp(genbuf, string, length)) ||
(!case_sensitive && strncasecmp(genbuf, string, length))))
fputs(genbuf, nfp);
}
Rename(fnew, file);
}
if(fp)
fclose(fp);
if(nfp)
fclose(nfp);
return 0;
}
#endif
/**
* 喳瑼獢 file 銝剜臬行 string 摮銝脯
*/
int file_exist_record(char *file, char *string)
{
FILE *fp;
char buf[STRLEN], *ptr;
if ((fp = fopen(file, "r")) == NULL)
return 0;
while (fgets(buf, STRLEN, fp)) {
if ((ptr = strtok(buf, str_space)) && !strcasecmp(ptr, string))
return 1;
}
fclose(fp);
return 0;
}
/**
* 撠瘥銝蝑 record func 隞嗡
* @param file
* @param func 瘥蝑 record handler嚗箔 function pointer
* 蝚砌豢舀獢銝剔銝銵嚗蝚砌貊 info
* @param info 銝憿憭詻
*/
int file_foreach_entry(char *file, int (*func)(char *, int), int info)
{
char line[80];
FILE *fp;
if ((fp = fopen(file, "r")) == NULL)
return -1;
while (fgets(line, sizeof(line), fp)) {
(*func)(line, info);
}
fclose(fp);
return 0;
}
