#define DEBUG
#endif
+/* for O_DIRECTORY and O_DIRECT */
+#ifndef _GNU_SOURCE
#define _GNU_SOURCE
+#endif
#include <stdio.h>
#include <sys/types.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
+#include <lustre/lustre_user.h>
typedef struct flag_mapping {
- char string[20];
- int flag;
+ const char *string;
+ const int flag;
} FLAG_MAPPING;
FLAG_MAPPING flag_table[] = {
{"O_NONBLOCK", O_NONBLOCK},
{"O_NDELAY", O_NDELAY},
{"O_SYNC", O_SYNC},
- {"O_NOFOLLOW", O_NOFOLLOW},
- {"O_DIRECTORY", O_DIRECTORY},
+#ifdef O_DIRECT
+ {"O_DIRECT", O_DIRECT},
+#endif
{"O_LARGEFILE", O_LARGEFILE},
+ {"O_DIRECTORY", O_DIRECTORY},
+ {"O_NOFOLLOW", O_NOFOLLOW},
+ {"O_LOV_DELAY_CREATE", O_LOV_DELAY_CREATE},
{"", -1}
};
int main(int argc, char** argv)
{
- int i;
+ int fd;
int flags=0;
- mode_t mode=0;
+ mode_t mode=0644;
char* fname=NULL;
int mode_set=0;
int flag_set=0;
int file_set=0;
- char c;
- char* cloned_flags;
+ int c;
+ int save_errno;
+ char* cloned_flags = NULL;
- if(argc == 1) {
+ if (argc == 1)
Usage_and_abort();
- }
while ((c = getopt (argc, argv, "f:m:")) != -1) {
switch (c) {
case 'f': {
char *tmp;
- cloned_flags = (char*)malloc(strlen(optarg));
- if (cloned_flags==NULL) {
+ cloned_flags = (char *)malloc(strlen(optarg)+1);
+ if (cloned_flags == NULL) {
fprintf(stderr, "Insufficient memory.\n");
exit(-1);
}
- strncpy(cloned_flags, optarg, strlen(optarg));
- tmp = strtok(optarg, ":");
- while (tmp) {
+ strncpy(cloned_flags, optarg, strlen(optarg)+1);
+ for (tmp = strtok(cloned_flags, ":|"); tmp;
+ tmp = strtok(NULL, ":|")) {
int i = 0;
#ifdef DEBUG
printf("flags = %s\n",tmp);
#endif
flag_set = 1;
- while (flag_table[i].flag != -1) {
- int r;
- r = strncasecmp(tmp, (flag_table[i].string),
- strlen((flag_table[i].string)) );
-
- if (r == 0)
+ for (i = 0; flag_table[i].flag != -1; i++) {
+ if (!strcmp(tmp, flag_table[i].string)){
+ flags |= flag_table[i].flag;
break;
- i++;
+ }
}
- if (flag_table[i].flag != -1) {
- flags |= flag_table[i].flag;
- } else {
+ if (flag_table[i].flag == -1) {
fprintf(stderr, "No such flag: %s\n",
tmp);
exit(-1);
}
-
- tmp = strtok(NULL, ":");
-
}
+ free(cloned_flags);
#ifdef DEBUG
printf("flags = %x\n", flags);
#endif
#ifdef DEBUG
printf("mode = %s\n", optarg);
#endif
- mode = strtol (optarg, NULL, 8);
+ mode = strtol(optarg, NULL, 8);
mode_set = 1;
#ifdef DEBUG
printf("mode = %o\n", mode);
}
- if (mode_set)
- i = open(fname, flags, mode);
+ if (flags & O_CREAT)
+ fd = open(fname, flags, mode);
else
- i = open(fname, flags);
+ fd = open(fname, flags);
- if (i != -1) {
- fprintf(stderr, "Succeed in opening file \"%s\"(flags=%s",
- fname, cloned_flags);
+ save_errno = errno;
+
+ if (fd != -1) {
+ printf("Succeed in opening file \"%s\"(flags=%s",
+ fname, cloned_flags);
if (mode_set)
- fprintf(stderr, ", mode=%o", mode);
- fprintf(stderr, ")\n");
- close (i);
- } else {
- fprintf(stderr, "Error in opening file \"%s\"(flags=%s",
- fname, cloned_flags);
- if (mode_set)
- fprintf(stderr, ", mode=%o", mode);
- fprintf(stderr, ") %s\n", strerror(errno));
+ printf(", mode=%o", mode);
+ printf(")\n");
+ close(fd);
+ return 0;
}
- return(i);
+
+ 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));
+
+ return save_errno;
}