- {"O_RDONLY", O_RDONLY},
- {"O_WRONLY", O_WRONLY},
- {"O_RDWR", O_RDWR},
- {"O_CREAT", O_CREAT},
- {"O_EXCL", O_EXCL},
- {"O_NOCTTY", O_NOCTTY},
- {"O_TRUNC", O_TRUNC},
- {"O_APPEND", O_APPEND},
- {"O_NONBLOCK", O_NONBLOCK},
- {"O_NDELAY", O_NDELAY},
- {"O_SYNC", O_SYNC},
+ {"O_RDONLY", O_RDONLY},
+ {"O_WRONLY", O_WRONLY},
+ {"O_RDWR", O_RDWR},
+ {"O_CREAT", O_CREAT},
+ {"O_EXCL", O_EXCL},
+ {"O_NOCTTY", O_NOCTTY},
+ {"O_TRUNC", O_TRUNC},
+ {"O_APPEND", O_APPEND},
+ {"O_NONBLOCK", O_NONBLOCK},
+ {"O_NDELAY", O_NDELAY},
+ {"O_SYNC", O_SYNC},
- {"O_LARGEFILE", O_LARGEFILE},
- {"O_DIRECTORY", O_DIRECTORY},
- {"O_NOFOLLOW", O_NOFOLLOW},
- {"O_LOV_DELAY_CREATE", O_LOV_DELAY_CREATE},
- {"", -1}
+ {"O_LARGEFILE", O_LARGEFILE},
+ {"O_DIRECTORY", O_DIRECTORY},
+ {"O_NOFOLLOW", O_NOFOLLOW},
+ {"O_LOV_DELAY_CREATE", O_LOV_DELAY_CREATE},
+ {"", -1}
- fprintf(stderr, "Usage: openfile -f flags [ -m mode ] filename \n");
- fprintf(stderr, "e.g. openfile -f O_RDWR:O_CREAT -m 0755 /etc/passwd\n");
- exit(-1);
+ fprintf(stderr, "Usage: openfile -f flags [ -m mode ] filename\n");
+ fprintf(stderr,
+ "e.g. openfile -f O_RDWR:O_CREAT -m 0755 /etc/passwd\n");
+ exit(-1);
- int fd;
- int flags = 0;
- mode_t mode = 0644;
- char *fname = NULL;
- int mode_set = 0;
- int flag_set = 0;
- int c;
- int save_errno = 0;
- int print_usage = 0;
- char *cloned_flags = NULL;
-
- if (argc == 1)
- Usage_and_abort();
-
- while ((c = getopt (argc, argv, "f:m:")) != -1) {
- switch (c) {
- case 'f': {
+ int fd;
+ int flags = 0;
+ mode_t mode = 0644;
+ char *fname = NULL;
+ int mode_set = 0;
+ int flag_set = 0;
+ int c;
+ int save_errno = 0;
+ int print_usage = 0;
+ char *cloned_flags = NULL;
+
+ if (argc == 1)
+ Usage_and_abort();
+
+ while ((c = getopt(argc, argv, "f:m:")) != -1) {
+ switch (c) {
+ case 'f': {
- for (tmp = strtok(cloned_flags, ":|"); tmp;
- tmp = strtok(NULL, ":|")) {
- int i = 0;
+ flags = 0;
+
+ for (tmp = strtok(cloned_flags, ":|"); tmp;
+ tmp = strtok(NULL, ":|")) {
+ int i = 0;
- flag_set = 1;
- for (i = 0; flag_table[i].flag != -1; i++) {
- if (!strcmp(tmp, flag_table[i].string)){
- flags |= flag_table[i].flag;
- break;
- }
- }
-
- if (flag_table[i].flag == -1) {
- fprintf(stderr, "No such flag: %s\n",
- tmp);
- save_errno = -1;
- goto out;
- }
- }
+ flag_set = 1;
+ for (i = 0; flag_table[i].flag != -1; i++) {
+ if (!strcmp(tmp,
+ flag_table[i].string)) {
+ flags |= flag_table[i].flag;
+ break;
+ }
+ }
+
+ if (flag_table[i].flag == -1) {
+ fprintf(stderr, "No such flag: %s\n",
+ tmp);
+ save_errno = -1;
+ goto out;
+ }
+ }
- break;
- default:
- fprintf(stderr, "Bad parameters.\n");
- print_usage = 1;
- goto out;
- }
- }
-
- if (optind == argc) {
- fprintf(stderr, "Bad parameters.\n");
- print_usage = 1;
- goto out;
- }
-
- fname = argv[optind];
-
- if (!flag_set) {
- fprintf(stderr, "Missing flag or file-name\n");
- save_errno = -1;
- goto out;
- }
-
-
- if (flags & O_CREAT)
- fd = open(fname, flags, mode);
- else
- fd = open(fname, flags);
-
- save_errno = errno;
-
- if (fd != -1) {
- printf("Succeed in opening file \"%s\"(flags=%s",
- fname, cloned_flags);
-
- if (mode_set)
- printf(", mode=%o", mode);
- printf(")\n");
- close(fd);
- } else {
- fprintf(stderr, "Error in opening file \"%s\"(flags=%s",
- fname, cloned_flags);
- if (mode_set)
- fprintf(stderr, ", mode=%o", mode);
- fprintf(stderr, ") %d: %s\n", save_errno, strerror(save_errno));
- }
-
+ break;
+ default:
+ fprintf(stderr, "Bad parameters.\n");
+ print_usage = 1;
+ goto out;
+ }
+ }
+
+ if (optind == argc) {
+ fprintf(stderr, "Bad parameters.\n");
+ print_usage = 1;
+ goto out;
+ }
+
+ fname = argv[optind];
+
+ if (!flag_set) {
+ fprintf(stderr, "Missing flag or file-name\n");
+ save_errno = -1;
+ goto out;
+ }
+
+ if (flags & O_CREAT)
+ fd = open(fname, flags, mode);
+ else
+ fd = open(fname, flags);
+
+ save_errno = errno;
+
+ if (fd != -1) {
+ printf("Succeed in opening file \"%s\"(flags=%s",
+ fname, cloned_flags);
+
+ if (mode_set)
+ printf(", mode=%o", mode);
+ printf(")\n");
+ close(fd);
+ } else {
+ fprintf(stderr, "Error in opening file \"%s\"(flags=%s",
+ fname, cloned_flags);
+ if (mode_set)
+ fprintf(stderr, ", mode=%o", mode);
+ fprintf(stderr, ") %d: %s\n", save_errno, strerror(save_errno));
+ }