Mixing
How to print path of a file properly?
0
Trying to make a pwd for the c shell. This is what I found on a website and wanted to learn more about it.
I have use debugging printf statements all the way through the program already and it returns the "." instead of the actual dir name all the way through. What am I missing? Why would this be happening?
#include <dirent.h>
#include <limits.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
int main()
{
struct stat stat_buf;
struct dirent *file_info;
ino_t itself_ino; /* holds current folder inode */
ino_t parent_ino; /* holds parent folder inode */
char Current[PATH_MAX]; /* folder name */
char Path[PATH_MAX]; /* holds the full path */
char Slash[PATH_MAX]; /* add / before the folder name */
DIR *dir;
while (1)
{
dir = opendir(".");
if(dir == NULL) {
fprintf(stderr, "cannot get current directory.n");
exit(-1);
}
/* read the information about the current folder */
file_info = readdir(dir);
lstat(file_info->d_name, &stat_buf);
itself_ino = stat_buf.st_ino;
closedir(dir);
chdir(".."); /* go to parent directory */
dir = opendir(".");
file_info = readdir(dir);
lstat(file_info->d_name, &stat_buf);
parent_ino = stat_buf.st_ino;
if(itself_ino == parent_ino) {
/*closedir(dir);*/
break;
} else {
strcpy(Slash, "/");
strcpy(Current, file_info->d_name);
strcat(Slash, Current); /* add "/" as the first */
strcat(Slash, Path); /* charcter of the directory */
/* check the length of the pathname */
if(strlen(Slash) >= PATH_MAX) {
fprintf(stderr, "Error! Path too long!n");
exit(0);
}
/* save the full pathname */
strcpy(Path, Slash);
}
closedir(dir);
}
/* print the full path of the current working directory */
printf("%sn", Path);
return 0;
}
c linux shell pwd
asked Nov 20 '18 at 21:55
sh3kksh3kk
12
add a comment |
0
Trying to make a pwd for the c shell. This is what I found on a website and wanted to learn more about it.
I have use debugging printf statements all the way through the program already and it returns the "." instead of the actual dir name all the way through. What am I missing? Why would this be happening?
#include <dirent.h>
#include <limits.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
int main()
{
struct stat stat_buf;
struct dirent *file_info;
ino_t itself_ino; /* holds current folder inode */
ino_t parent_ino; /* holds parent folder inode */
char Current[PATH_MAX]; /* folder name */
char Path[PATH_MAX]; /* holds the full path */
char Slash[PATH_MAX]; /* add / before the folder name */
DIR *dir;
while (1)
{
dir = opendir(".");
if(dir == NULL) {
fprintf(stderr, "cannot get current directory.n");
exit(-1);
}
/* read the information about the current folder */
file_info = readdir(dir);
lstat(file_info->d_name, &stat_buf);
itself_ino = stat_buf.st_ino;
closedir(dir);
chdir(".."); /* go to parent directory */
dir = opendir(".");
file_info = readdir(dir);
lstat(file_info->d_name, &stat_buf);
parent_ino = stat_buf.st_ino;
if(itself_ino == parent_ino) {
/*closedir(dir);*/
break;
} else {
strcpy(Slash, "/");
strcpy(Current, file_info->d_name);
strcat(Slash, Current); /* add "/" as the first */
strcat(Slash, Path); /* charcter of the directory */
/* check the length of the pathname */
if(strlen(Slash) >= PATH_MAX) {
fprintf(stderr, "Error! Path too long!n");
exit(0);
}
/* save the full pathname */
strcpy(Path, Slash);
}
closedir(dir);
}
/* print the full path of the current working directory */
printf("%sn", Path);
return 0;
}
c linux shell pwd
asked Nov 20 '18 at 21:55
sh3kksh3kk
12
add a comment |
0
0
0
Trying to make a pwd for the c shell. This is what I found on a website and wanted to learn more about it.
I have use debugging printf statements all the way through the program already and it returns the "." instead of the actual dir name all the way through. What am I missing? Why would this be happening?
#include <dirent.h>
#include <limits.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
int main()
{
struct stat stat_buf;
struct dirent *file_info;
ino_t itself_ino; /* holds current folder inode */
ino_t parent_ino; /* holds parent folder inode */
char Current[PATH_MAX]; /* folder name */
char Path[PATH_MAX]; /* holds the full path */
char Slash[PATH_MAX]; /* add / before the folder name */
DIR *dir;
while (1)
{
dir = opendir(".");
if(dir == NULL) {
fprintf(stderr, "cannot get current directory.n");
exit(-1);
}
/* read the information about the current folder */
file_info = readdir(dir);
lstat(file_info->d_name, &stat_buf);
itself_ino = stat_buf.st_ino;
closedir(dir);
chdir(".."); /* go to parent directory */
dir = opendir(".");
file_info = readdir(dir);
lstat(file_info->d_name, &stat_buf);
parent_ino = stat_buf.st_ino;
if(itself_ino == parent_ino) {
/*closedir(dir);*/
break;
} else {
strcpy(Slash, "/");
strcpy(Current, file_info->d_name);
strcat(Slash, Current); /* add "/" as the first */
strcat(Slash, Path); /* charcter of the directory */
/* check the length of the pathname */
if(strlen(Slash) >= PATH_MAX) {
fprintf(stderr, "Error! Path too long!n");
exit(0);
}
/* save the full pathname */
strcpy(Path, Slash);
}
closedir(dir);
}
/* print the full path of the current working directory */
printf("%sn", Path);
return 0;
}
c linux shell pwd
asked Nov 20 '18 at 21:55
sh3kksh3kk
12
Trying to make a pwd for the c shell. This is what I found on a website and wanted to learn more about it.
I have use debugging printf statements all the way through the program already and it returns the "." instead of the actual dir name all the way through. What am I missing? Why would this be happening?
#include <dirent.h>
#include <limits.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
int main()
{
struct stat stat_buf;
struct dirent *file_info;
ino_t itself_ino; /* holds current folder inode */
ino_t parent_ino; /* holds parent folder inode */
char Current[PATH_MAX]; /* folder name */
char Path[PATH_MAX]; /* holds the full path */
char Slash[PATH_MAX]; /* add / before the folder name */
DIR *dir;
while (1)
{
dir = opendir(".");
if(dir == NULL) {
fprintf(stderr, "cannot get current directory.n");
exit(-1);
}
/* read the information about the current folder */
file_info = readdir(dir);
lstat(file_info->d_name, &stat_buf);
itself_ino = stat_buf.st_ino;
closedir(dir);
chdir(".."); /* go to parent directory */
dir = opendir(".");
file_info = readdir(dir);
lstat(file_info->d_name, &stat_buf);
parent_ino = stat_buf.st_ino;
if(itself_ino == parent_ino) {
/*closedir(dir);*/
break;
} else {
strcpy(Slash, "/");
strcpy(Current, file_info->d_name);
strcat(Slash, Current); /* add "/" as the first */
strcat(Slash, Path); /* charcter of the directory */
/* check the length of the pathname */
if(strlen(Slash) >= PATH_MAX) {
fprintf(stderr, "Error! Path too long!n");
exit(0);
}
/* save the full pathname */
strcpy(Path, Slash);
}
closedir(dir);
}
/* print the full path of the current working directory */
printf("%sn", Path);
return 0;
}
c linux shell pwd
c linux shell pwd
asked Nov 20 '18 at 21:55
sh3kksh3kk
12
asked Nov 20 '18 at 21:55
sh3kksh3kk
12
asked Nov 20 '18 at 21:55
sh3kksh3kk
12
asked Nov 20 '18 at 21:55
sh3kksh3kk
12
asked Nov 20 '18 at 21:55
sh3kksh3kk
12
12
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
0
It's just realpath:
if (realpath(".", &Path) == NULL) {
// handle error
}
However maybe you aim at getcwd or get_current_dir_name.
printf("%sn", get_current_dir_name());
answered Nov 20 '18 at 22:51
Kamil CukKamil Cuk
10.3k1527
Where do I make the change on the code?
– sh3kk
Nov 21 '18 at 18:20
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
0
It's just realpath:
if (realpath(".", &Path) == NULL) {
// handle error
}
However maybe you aim at getcwd or get_current_dir_name.
printf("%sn", get_current_dir_name());
answered Nov 20 '18 at 22:51
Kamil CukKamil Cuk
10.3k1527
Where do I make the change on the code?
– sh3kk
Nov 21 '18 at 18:20
add a comment |
0
It's just realpath:
if (realpath(".", &Path) == NULL) {
// handle error
}
However maybe you aim at getcwd or get_current_dir_name.
printf("%sn", get_current_dir_name());
answered Nov 20 '18 at 22:51
Kamil CukKamil Cuk
10.3k1527
Where do I make the change on the code?
– sh3kk
Nov 21 '18 at 18:20
add a comment |
0
0
0
It's just realpath:
if (realpath(".", &Path) == NULL) {
// handle error
}
However maybe you aim at getcwd or get_current_dir_name.
printf("%sn", get_current_dir_name());
answered Nov 20 '18 at 22:51
Kamil CukKamil Cuk
10.3k1527
It's just realpath:
if (realpath(".", &Path) == NULL) {
// handle error
}
However maybe you aim at getcwd or get_current_dir_name.
printf("%sn", get_current_dir_name());
answered Nov 20 '18 at 22:51
Kamil CukKamil Cuk
10.3k1527
answered Nov 20 '18 at 22:51
Kamil CukKamil Cuk
10.3k1527
answered Nov 20 '18 at 22:51
Kamil CukKamil Cuk
10.3k1527
answered Nov 20 '18 at 22:51
Kamil CukKamil Cuk
10.3k1527
10.3k1527
Where do I make the change on the code?
– sh3kk
Nov 21 '18 at 18:20
add a comment |
Where do I make the change on the code?
– sh3kk
Nov 21 '18 at 18:20
Where do I make the change on the code?
– sh3kk
Nov 21 '18 at 18:20
Where do I make the change on the code?
– sh3kk
Nov 21 '18 at 18:20
add a comment |
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