linux cÓïÑÔÖеÄchmodº¯Êý
chmodÖеÄmode_t²ÎÊý£¬ÈçºÎ¶¯Ì¬µÄ´«ÈëÖµ£¬ÀýÈç ÎÒÒª´«Èë0777»ò0444£¬µ«ÎÒÊäÈëµÄÊÇ×Ö·û´® Ôõôת»¯Îª8½øÖÆ
ÿ¸öģʽ¾ùÔ¤¶¨ÒåÓк꣬ÓÖÒòΪÆäʵ¿ÉÑ¡·ÖÖ§ÓÐÏÞ£¬Äã¿ÉÒÔÅжÏÊäÈëµÃ×Ö·û´®£¬Ê¹ÓÃswicthÖ®ÀàµÃ°ì·¨£¬¸øÒ»ÁÙʱ±äÁ¿¸³Ó費ͬµÃÖµµ÷ÓÃchmod¡£
ʹÓÃatoiº¯Êý½«×Ö·û´®×ª»»ÎªÕûÊý£¬ÔÙ½«Õâ¸öÕûÊýת»»Îª°Ë½øÖÆÊý¼´¿É£¬È»ºóµ±Êµ²Î´«Èë
ѧϰ
C/C++ code:
/* ¹¦ ÄÜ£º¸Ä±äÎļþ·ÃÎÊȨÏÞ */
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
int main(int argc, char ** argv)
{
int mode; // ȨÏÞ
int mode_u; // ËùÓÐÕßµÄȨÏÞ
int mode_g; // ËùÊô×éµÄȨÏÞ
int mode_o; // ÆäËûÓû§µÄȨÏÞ
char *path;
/*¼ì²é²ÎÊý¸öÊýµÄºÏ·¨ÐÔ*/
if(argc < 3) {
printf("%s <mode num> <target file>\n",argv[0]);
exit(0);
}
/*»ñÈ¡ÃüÁîÐвÎÊý*/
mode = atoi(argv[1]);
if (mode > 777 || mode < 0) {
printf("mode num error!\n");
exit(0);
}
mode_u = mode / 100;
mode_g = (mode - (mode_u*100)) / 10;
mode_o = mode - (mode_u*100) - (mode_g*10);
mode = (mode_u * 8 * 8) + (mode_g * 8) + mode_o; // °Ë½øÖÆת»»
path = argv[2];
if ( chmod(path, mode) == -1) {
perror("chmod error");
exit(1);
}
return 0;
}
/
Ïà¹ØÎÊ´ð£º
#include <stdio.h>
#include <graphics.h>
void main()
{
int x0,y0,x1,y1,driver,mode,i;
driver=VGA;
mode=VGAHI;
initgraph(&driver,&mode,&qu ......
¹¤×÷ÄÚÈÝ Ñз¢
×ʸñÒªÇó£º
211ºÍÖصãԺУ±¾¿Æ 3Ä깤×÷¾Ñé
211ºÍÖصãԺУ˶ʿ 1Ä깤×÷¾Ñé
ÆÕͨԺУÔÚ¹¤×÷ÄêÏÞÉϸ÷¼Ó1Äê
ÓÐͨÐÅÏà¹Ø¿ª·¢¾ÑéÕßÓÅÏÈ£¬µ±È»C/C++ »ù´¡ÒªÔúʵ
à ......
/* Note:Your choice is C IDE
×÷Ó㺠Ëæ»úÊý¼ÓÃÜ·¨£¬£¬£¬£¬
ÒÔÏÂÓÐÐí¶à²»¶®£¬Çë½Ìһϣ¬ÇëÖ÷Òâ´úÂë;
*/
#include <stdio.h>
#include <stdlib.h>
union
{
int value;
struct
{
c ......
CÅÌÉ϶àµÄÎļþÃûΪ£ºdosh , Recycled ,System Volum information, AUTOEXEC.BAT, BOOT.INT , bootfoot.bin, CONFIG.SYS,IO.SYS, MSDOS.SYS, DETECT.COM ,ntldr, pagefile.sys;
¶øÇÒÿ¸öÅÌÉ϶¼ÓÐÕâЩÎļþ£ºRECYCLER ......
±³¾°£º
££££££££
Í·Îļþdb_method.h¾¹ýÃÀ»¯ºó´æÔÚÏÂÃ漸Öֽṹ¶¨ÒåÀàÐÍ
typedef struct
{
BYTE id;
BYTE idAsync;
DM_T dmInfo;
CHAR tbName[MAX_TBNAME_LEN];
} REC ......