Last change
on this file since 387 was 352, checked in by coas-nagasima, 6 years ago |
arm向けASP3版ECNLを追加
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-
Property svn:eol-style
set to
native
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Property svn:mime-type
set to
text/x-csrc;charset=UTF-8
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File size:
1.0 KB
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Rev | Line | |
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[352] | 1 | #include <dirent.h>
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| 2 | #include <string.h>
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| 3 | #include <stdlib.h>
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| 4 | #include <stdint.h>
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| 5 | #include <errno.h>
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| 6 | #include <stddef.h>
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| 7 | #include "libc.h"
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| 8 |
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| 9 | int scandir(const char *path, struct dirent ***res,
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| 10 | int (*sel)(const struct dirent *),
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| 11 | int (*cmp)(const struct dirent **, const struct dirent **))
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| 12 | {
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| 13 | DIR *d = opendir(path);
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| 14 | struct dirent *de, **names=0, **tmp;
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| 15 | size_t cnt=0, len=0;
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| 16 | int old_errno = errno;
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| 17 |
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| 18 | if (!d) return -1;
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| 19 |
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| 20 | while ((errno=0), (de = readdir(d))) {
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| 21 | if (sel && !sel(de)) continue;
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| 22 | if (cnt >= len) {
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| 23 | len = 2*len+1;
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| 24 | if (len > SIZE_MAX/sizeof *names) break;
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| 25 | tmp = realloc(names, len * sizeof *names);
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| 26 | if (!tmp) break;
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| 27 | names = tmp;
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| 28 | }
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| 29 | names[cnt] = malloc(de->d_reclen);
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| 30 | if (!names[cnt]) break;
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| 31 | memcpy(names[cnt++], de, de->d_reclen);
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| 32 | }
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| 33 |
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| 34 | closedir(d);
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| 35 |
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| 36 | if (errno) {
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| 37 | if (names) while (cnt-->0) free(names[cnt]);
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| 38 | free(names);
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| 39 | return -1;
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| 40 | }
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| 41 | errno = old_errno;
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| 42 |
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| 43 | if (cmp) qsort(names, cnt, sizeof *names, (int (*)(const void *, const void *))cmp);
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| 44 | *res = names;
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| 45 | return cnt;
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| 46 | }
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| 47 |
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| 48 | LFS64(scandir);
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