void
print_status(int val, char *path1, char *path2, char *entry)
{
switch (val) {
case D_ONLY:
print_only(path1, strlen(path1), entry);
break;
case D_COMMON:
fprintf(buffer, "Common subdirectories: %s%s and %s%s\n",
path1, entry ? entry : "", path2, entry ? entry : "");
break;
case D_BINARY:
fprintf(buffer, "Files %s%s and %s%s differ\n",
path1, entry ? entry : "", path2, entry ? entry : "");
break;
case D_DIFFER:
if (format == D_BRIEF)
fprintf(buffer, "Files %s%s and %s%s differ\n",
path1, entry ? entry : "",
path2, entry ? entry : "");
break;
case D_SAME:
if (sflag)
fprintf(buffer, "Files %s%s and %s%s are identical\n",
path1, entry ? entry : "",
path2, entry ? entry : "");
break;
case D_MISMATCH1:
fprintf(buffer, "File %s%s is a directory while file %s%s is a regular file\n",
path1, entry ? entry : "", path2, entry ? entry : "");
break;
case D_MISMATCH2:
fprintf(buffer, "File %s%s is a regular file while file %s%s is a directory\n",
path1, entry ? entry : "", path2, entry ? entry : "");
break;
case D_SKIPPED1:
fprintf(buffer, "File %s%s is not a regular file or directory and was skipped\n",
path1, entry ? entry : "");
break;
case D_SKIPPED2:
fprintf(buffer, "File %s%s is not a regular file or directory and was skipped\n",
path2, entry ? entry : "");
break;
}
}
void msh_echo(char **args, char **env)
{
int i;
i = 1;
if (args[1] == NULL)
{
ft_putchar('\n');
return ;
}
if (args[1][0] == '$')
func_print_env(args[1], env);
else
{
while (args[i])
{
print_only(args[i]);
i++;
}
ft_putchar('\n');
}
}
/*
* Diff directory traversal. Will be called recursively if -r was specified.
*/
void
diffdir(char *p1, char *p2, int flags)
{
struct dirent *dent1, **dp1, **edp1, **dirp1 = NULL;
struct dirent *dent2, **dp2, **edp2, **dirp2 = NULL;
size_t dirlen1, dirlen2;
char path1[MAXPATHLEN], path2[MAXPATHLEN];
int pos;
dirlen1 = strlcpy(path1, *p1 ? p1 : ".", sizeof(path1));
if (dirlen1 >= sizeof(path1) - 1) {
warnx("%s: %s", p1, strerror(ENAMETOOLONG));
status = 2;
return;
}
if (path1[dirlen1 - 1] != '/') {
path1[dirlen1++] = '/';
path1[dirlen1] = '\0';
}
dirlen2 = strlcpy(path2, *p2 ? p2 : ".", sizeof(path2));
if (dirlen2 >= sizeof(path2) - 1) {
warnx("%s: %s", p2, strerror(ENAMETOOLONG));
status = 2;
return;
}
if (path2[dirlen2 - 1] != '/') {
path2[dirlen2++] = '/';
path2[dirlen2] = '\0';
}
/*
* Get a list of entries in each directory, skipping "excluded" files
* and sorting alphabetically.
*/
pos = scandir(path1, &dirp1, selectfile, alphasort);
if (pos == -1) {
if (errno == ENOENT && (Nflag || Pflag)) {
pos = 0;
} else {
warn("%s", path1);
goto closem;
}
}
dp1 = dirp1;
edp1 = dirp1 + pos;
pos = scandir(path2, &dirp2, selectfile, alphasort);
if (pos == -1) {
if (errno == ENOENT && Nflag) {
pos = 0;
} else {
warn("%s", path2);
goto closem;
}
}
dp2 = dirp2;
edp2 = dirp2 + pos;
/*
* If we were given a starting point, find it.
*/
if (start != NULL) {
while (dp1 != edp1 && strcmp((*dp1)->d_name, start) < 0)
dp1++;
while (dp2 != edp2 && strcmp((*dp2)->d_name, start) < 0)
dp2++;
}
/*
* Iterate through the two directory lists, diffing as we go.
*/
while (dp1 != edp1 || dp2 != edp2) {
dent1 = dp1 != edp1 ? *dp1 : NULL;
dent2 = dp2 != edp2 ? *dp2 : NULL;
pos = dent1 == NULL ? 1 : dent2 == NULL ? -1 :
strcmp(dent1->d_name, dent2->d_name);
if (pos == 0) {
/* file exists in both dirs, diff it */
diffit(dent1, path1, dirlen1, path2, dirlen2, flags);
dp1++;
dp2++;
} else if (pos < 0) {
/* file only in first dir, only diff if -N */
if (Nflag)
diffit(dent1, path1, dirlen1, path2, dirlen2,
flags);
else if (lflag)
dent1->d_status |= D_ONLY;
else
print_only(path1, dirlen1, dent1->d_name);
dp1++;
} else {
/* file only in second dir, only diff if -N or -P */
if (Nflag || Pflag)
diffit(dent2, path1, dirlen1, path2, dirlen2,
flags);
else if (lflag)
dent2->d_status |= D_ONLY;
else
print_only(path2, dirlen2, dent2->d_name);
dp2++;
}
}
if (lflag) {
path1[dirlen1] = '\0';
path2[dirlen2] = '\0';
for (dp1 = dirp1; (dent1 = *dp1) != NULL; dp1++) {
print_status(dent1->d_status, path1, path2,
dent1->d_name);
}
for (dp2 = dirp2; (dent2 = *dp2) != NULL; dp2++) {
if (dent2->d_status == D_ONLY)
print_status(dent2->d_status, path2, NULL,
dent2->d_name);
}
}
closem:
if (dirp1 != NULL) {
for (dp1 = dirp1; dp1 < edp1; dp1++)
xfree(*dp1);
xfree(dirp1);
}
if (dirp2 != NULL) {
for (dp2 = dirp2; dp2 < edp2; dp2++)
xfree(*dp2);
xfree(dirp2);
}
}
/*
* Diff directory traversal. Will be called recursively if -r was specified.
*/
void
diffdir(char *p1, char *p2, int flags)
{
struct diffdirent **dirp1, **dirp2, **dp1, **dp2;
struct diffdirent *dent1, *dent2;
size_t dirlen1, dirlen2;
char path1[MAXPATHLEN], path2[MAXPATHLEN];
char *dirbuf1, *dirbuf2;
int pos;
dirlen1 = strlcpy(path1, *p1 ? p1 : ".", sizeof(path1));
if (dirlen1 >= sizeof(path1) - 1) {
warnx("%s: %s", p1, strerror(ENAMETOOLONG));
status = 2;
return;
}
if (path1[dirlen1 - 1] != '/') {
path1[dirlen1++] = '/';
path1[dirlen1] = '\0';
}
dirlen2 = strlcpy(path2, *p2 ? p2 : ".", sizeof(path2));
if (dirlen2 >= sizeof(path2) - 1) {
warnx("%s: %s", p2, strerror(ENAMETOOLONG));
status = 2;
return;
}
if (path2[dirlen2 - 1] != '/') {
path2[dirlen2++] = '/';
path2[dirlen2] = '\0';
}
/* get a list of the entries in each directory */
dp1 = dirp1 = slurpdir(path1, &dirbuf1, Nflag + Pflag);
dp2 = dirp2 = slurpdir(path2, &dirbuf2, Nflag);
if (dirp1 == NULL || dirp2 == NULL)
return;
/*
* If we were given a starting point, find it.
*/
if (start != NULL) {
while (*dp1 != NULL && strcmp((*dp1)->d_name, start) < 0)
dp1++;
while (*dp2 != NULL && strcmp((*dp2)->d_name, start) < 0)
dp2++;
}
/*
* Iterate through the two directory lists, diffing as we go.
*/
while (*dp1 != NULL || *dp2 != NULL) {
dent1 = *dp1;
dent2 = *dp2;
pos = dent1 == NULL ? 1 : dent2 == NULL ? -1 :
strcmp(dent1->d_name, dent2->d_name);
if (pos == 0) {
/* file exists in both dirs, diff it */
diffit(dent1, path1, dirlen1, path2, dirlen2, flags);
dp1++;
dp2++;
} else if (pos < 0) {
/* file only in first dir, only diff if -N */
if (Nflag)
diffit(dent1, path1, dirlen1, path2, dirlen2,
flags);
else if (lflag)
dent1->d_status |= D_ONLY;
else
print_only(path1, dirlen1, dent1->d_name);
dp1++;
} else {
/* file only in second dir, only diff if -N or -P */
if (Nflag || Pflag)
diffit(dent2, path1, dirlen1, path2, dirlen2,
flags);
else if (lflag)
dent2->d_status |= D_ONLY;
else
print_only(path2, dirlen2, dent2->d_name);
dp2++;
}
}
if (lflag) {
path1[dirlen1] = '\0';
path2[dirlen2] = '\0';
for (dp1 = dirp1; (dent1 = *dp1) != NULL; dp1++) {
print_status(dent1->d_status, path1, path2,
dent1->d_name);
}
for (dp2 = dirp2; (dent2 = *dp2) != NULL; dp2++) {
if (dent2->d_status == D_ONLY)
print_status(dent2->d_status, path2, NULL,
dent2->d_name);
}
}
if (dirbuf1 != NULL) {
xfree(dirp1);
xfree(dirbuf1);
}
if (dirbuf2 != NULL) {
xfree(dirp2);
xfree(dirbuf2);
}
}
