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Arun Prakash Jana 2017-04-24 18:53:03 +05:30
parent aab4991dda
commit febda38c14
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GPG key ID: A75979F35C080412
1 changed files with 49 additions and 13 deletions
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62
nnn.c
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@ -284,8 +284,30 @@ xdirname(const char *path)
return buf;
}
/*
* Return number of dots of all chars in a string are dots, else 0
*/
static int
all_dots(const char* ptr)
{
if (!ptr)
return FALSE;
int count = 0;
while (*ptr == '.') {
count++;
ptr++;
}
if (*ptr)
return 0;
return count;
}
/*
* Spawns a child process. Behaviour can be controlled using flag:
* Limited to a single argument to program, use system(3) if you need more
* flag = 1: draw a marker to indicate nnn spawned e.g., a shell
* flag = 2: do not wait in parent for child process e.g. DE file manager
*/
@ -1496,21 +1518,35 @@ nochange:
} else if (tmp[0] == '-' && tmp[1] == '\0') {
xstrlcpy(newpath, lastdir, sizeof(newpath));
oldpath[0] = '\0';
} else if (tmp[0] == '.' && tmp[1] == '\0')
xstrlcpy(newpath, path, sizeof(newpath));
else if (tmp[0] == '.' && tmp[1] == '.' && tmp[2] == '\0') {
/* There is no going back */
if (strcmp(path, "/") == 0 ||
strchr(path, '/') == NULL) {
printmsg("You are at /");
} else if ((r = all_dots(tmp))) {
if (r == 1) {
free(input);
goto nochange;
break;
}
dir = xdirname(path);
if (canopendir(dir) == 0) {
printwarn();
free(input);
goto nochange;
r--;
dir = path;
for (fd = 0; fd < r; fd++) {
/* There is no going back */
if (strcmp(path, "/") == 0 ||
strchr(path, '/') == NULL) {
if (fd == 0) {
printmsg("You are at /");
free(input);
goto nochange;
}
break;
} else {
dir = xdirname(dir);
if (canopendir(dir) == 0) {
printwarn();
free(input);
goto nochange;
}
}
}
/* Save history */