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Support . and .. at chdir prompt

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Arun Prakash Jana 2017-04-20 21:57:24 +05:30
parent 89224cfa98
commit 79c1c56cbf
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GPG key ID: A75979F35C080412
1 changed files with 39 additions and 11 deletions
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44
nnn.c
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@ -1292,7 +1292,6 @@ nochange:
case SEL_BACK: case SEL_BACK:
/* There is no going back */ /* There is no going back */
if (strcmp(path, "/") == 0 || if (strcmp(path, "/") == 0 ||
strcmp(path, ".") == 0 ||
strchr(path, '/') == NULL) { strchr(path, '/') == NULL) {
printmsg("You are at /"); printmsg("You are at /");
goto nochange; goto nochange;
@ -1302,12 +1301,12 @@ nochange:
printwarn(); printwarn();
goto nochange; goto nochange;
} }
/* Save history */ /* Save history */
xstrlcpy(oldpath, path, sizeof(oldpath)); xstrlcpy(oldpath, path, sizeof(oldpath));
/* Save last working directory */ /* Save last working directory */
xstrlcpy(lastdir, path, sizeof(lastdir)); xstrlcpy(lastdir, path, sizeof(lastdir));
xstrlcpy(path, dir, sizeof(path)); xstrlcpy(path, dir, sizeof(path));
/* Reset filter */ /* Reset filter */
xstrlcpy(fltr, ifilter, sizeof(fltr)); xstrlcpy(fltr, ifilter, sizeof(fltr));
@ -1468,21 +1467,25 @@ nochange:
exitcurses(); exitcurses();
char *tmp = readline("chdir: "); char *tmp = readline("chdir: ");
initcurses(); initcurses();
tmp = tmp[0] ? tmp : NULL;
if (chdir(cwd) == -1) if (chdir(cwd) == -1)
printwarn(); printwarn();
if (tmp == NULL) {
/* Save current */ /* Save current */
if (ndents > 0) if (ndents > 0)
mkpath(path, dents[cur].name, oldpath, sizeof(oldpath)); mkpath(path, dents[cur].name, oldpath, sizeof(oldpath));
if (tmp[0] == '\0')
goto begin; goto begin;
} else else
add_history(tmp); add_history(tmp);
char *input = tmp; char *input = tmp;
tmp = strstrip(tmp); tmp = strstrip(tmp);
if (tmp[0] == '\0') {
free(input);
goto begin;
}
if (tmp[0] == '~') { if (tmp[0] == '~') {
char *home = getenv("HOME"); char *home = getenv("HOME");
@ -1491,10 +1494,35 @@ nochange:
"%s%s", home, tmp + 1); "%s%s", home, tmp + 1);
else else
mkpath(path, tmp, newpath, sizeof(newpath)); mkpath(path, tmp, newpath, sizeof(newpath));
} else if (tmp[0] == '-' && tmp[1] == '\0')
oldpath[0] = '\0';
} else if (tmp[0] == '-' && tmp[1] == '\0') {
xstrlcpy(newpath, lastdir, sizeof(newpath)); xstrlcpy(newpath, lastdir, sizeof(newpath));
else 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 /");
free(input);
goto nochange;
}
dir = xdirname(path);
if (canopendir(dir) == 0) {
printwarn();
free(input);
goto nochange;
}
/* Save history */
xstrlcpy(oldpath, path, sizeof(oldpath));
xstrlcpy(newpath, dir, sizeof(newpath));
} else {
mkpath(path, tmp, newpath, sizeof(newpath)); mkpath(path, tmp, newpath, sizeof(newpath));
oldpath[0] = '\0';
}
if (canopendir(newpath) == 0) { if (canopendir(newpath) == 0) {
/* Save current */ /* Save current */
@ -1513,7 +1541,6 @@ nochange:
/* Reset filter */ /* Reset filter */
xstrlcpy(fltr, ifilter, sizeof(fltr)); xstrlcpy(fltr, ifilter, sizeof(fltr));
DPRINTF_S(path); DPRINTF_S(path);
oldpath[0] = '\0';
free(input); free(input);
goto begin; goto begin;
} }
@ -1540,6 +1567,7 @@ nochange:
xstrlcpy(newpath, lastdir, sizeof(newpath)); xstrlcpy(newpath, lastdir, sizeof(newpath));
xstrlcpy(lastdir, path, sizeof(lastdir)); xstrlcpy(lastdir, path, sizeof(lastdir));
xstrlcpy(path, newpath, sizeof(path)); xstrlcpy(path, newpath, sizeof(path));
oldpath[0] = '\0';
DPRINTF_S(path); DPRINTF_S(path);
goto begin; goto begin;
case SEL_TOGGLEDOT: case SEL_TOGGLEDOT: