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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; // °Ë½øÖÆ×ª»»
path = argv[2];
if ( chmod(path, mode) == -1) {
perror("chmod error");
exit(1);
}
return 0;
}
/
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