Return to sys.c CVS log

Up to [Research Unix] / researchv10dc / cmd / post

Annotation of researchv10dc/cmd/post/sys.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * System call module
                      3:  */
                      4: 
                      5: #include <fcntl.h>
                      6: 
                      7: char   sys_fd[1];
                      8: 
                      9: char *
                     10: sys_open(argv)
                     11: char   *argv[];
                     12: {
                     13:        int     fd;
                     14: 
                     15:        if ((fd = open(argv[0], O_RDWR)) < 0) {
                     16:                error(-1, argv[0]);
                     17:                return 0;
                     18:        }
                     19:        return sys_fd + fd;
                     20: }
                     21: 
                     22: sys_close(fd)
                     23: char   *fd;
                     24: {
                     25:        close(fd - sys_fd);
                     26:        return 0;
                     27: }
                     28: 
                     29: sys_read(fd, buf, n)
                     30: char   *fd, *buf;
                     31: {
                     32:        return read(fd - sys_fd, buf, n);
                     33: }
                     34: 
                     35: sys_write(fd, buf, n)
                     36: char   *fd, *buf;
                     37: {
                     38:        return write(fd - sys_fd, buf, n);
                     39: }

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.