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mlist: use a static buffer, clean up control flow

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This commit is contained in:
Leah Neukirchen 2017-10-29 22:08:32 +01:00
parent 4e7a5c5ab6
commit 00a1382175
1 changed files with 5 additions and 7 deletions
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12
mlist.c
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@ -105,15 +105,15 @@ struct linux_dirent64 {
char d_name[]; /* Filename (null-terminated) */
};
#define BUF_SIZE 1024000
char buf[BUF_SIZE];
void
listdir(char *dir)
{
int fd;
ssize_t nread;
char buf[BUF_SIZE];
ssize_t bpos;
struct linux_dirent64 *d;
int bpos;
fd = open(dir, O_RDONLY | O_DIRECTORY);
if (fd == -1) {
@ -131,15 +131,13 @@ listdir(char *dir)
if (nread == 0)
break;
for (bpos = 0; bpos < nread; ) {
for (bpos = 0; bpos < nread; bpos += d->d_reclen) {
d = (struct linux_dirent64 *)(buf + bpos);
if (d->d_type != DT_REG && d->d_type != DT_UNKNOWN)
goto next;
continue;
if (d->d_name[0] == '.')
goto next;
continue;
list(dir, d->d_name);
next:
bpos += d->d_reclen;
}
}