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authorIan Moffett <ian@osmora.org>2024-03-07 17:28:52 -0500
committerIan Moffett <ian@osmora.org>2024-03-07 18:24:51 -0500
commitf5e48e94a2f4d4bbd6e5628c7f2afafc6dbcc459 (patch)
tree93b156621dc0303816b37f60ba88051b702d92f6 /lib/mlibc/options/linux/generic/mntent-stubs.cpp
parentbd5969fc876a10b18613302db7087ef3c40f18e1 (diff)
build: Build mlibc + add distclean target
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'lib/mlibc/options/linux/generic/mntent-stubs.cpp')
-rw-r--r--lib/mlibc/options/linux/generic/mntent-stubs.cpp98
1 files changed, 0 insertions, 98 deletions
diff --git a/lib/mlibc/options/linux/generic/mntent-stubs.cpp b/lib/mlibc/options/linux/generic/mntent-stubs.cpp
deleted file mode 100644
index 35c0e92..0000000
--- a/lib/mlibc/options/linux/generic/mntent-stubs.cpp
+++ /dev/null
@@ -1,98 +0,0 @@
-
-#include <errno.h>
-#include <mntent.h>
-#include <stdio.h>
-#include <limits.h>
-#include <string.h>
-#include <bits/ensure.h>
-
-namespace {
-
-char *internal_buf;
-size_t internal_bufsize;
-
-}
-
-#define SENTINEL (char *)&internal_buf
-
-FILE *setmntent(const char *name, const char *mode) {
- return fopen(name, mode);
-}
-
-struct mntent *getmntent(FILE *f) {
- static struct mntent mnt;
- return getmntent_r(f, &mnt, SENTINEL, 0);
-}
-
-int addmntent(FILE *f, const struct mntent *mnt) {
- if(fseek(f, 0, SEEK_END)) {
- return 1;
- }
- return fprintf(f, "%s\t%s\t%s\t%s\t%d\t%d\n",
- mnt->mnt_fsname, mnt->mnt_dir, mnt->mnt_type, mnt->mnt_opts,
- mnt->mnt_freq, mnt->mnt_passno) < 0;
-}
-
-int endmntent(FILE *f) {
- if(f) {
- fclose(f);
- }
- return 1;
-}
-
-char *hasmntopt(const struct mntent *mnt, const char *opt) {
- return strstr(mnt->mnt_opts, opt);
-}
-
-/* Adapted from musl */
-struct mntent *getmntent_r(FILE *f, struct mntent *mnt, char *linebuf, int buflen) {
- int n[8];
- bool use_internal = (linebuf == SENTINEL);
- int len;
- size_t i;
-
- mnt->mnt_freq = 0;
- mnt->mnt_passno = 0;
-
- do {
- if(use_internal) {
- getline(&internal_buf, &internal_bufsize, f);
- linebuf = internal_buf;
- } else {
- fgets(linebuf, buflen, f);
- }
- if(feof(f) || ferror(f)) {
- return 0;
- }
- if(!strchr(linebuf, '\n')) {
- fscanf(f, "%*[^\n]%*[\n]");
- errno = ERANGE;
- return 0;
- }
-
- len = strlen(linebuf);
- if(len > INT_MAX) {
- continue;
- }
-
- for(i = 0; i < sizeof n / sizeof *n; i++) {
- n[i] = len;
- }
-
- sscanf(linebuf, " %n%*s%n %n%*s%n %n%*s%n %n%*s%n %d %d",
- n, n + 1, n + 2, n + 3, n + 4, n + 5, n + 6, n + 7,
- &mnt->mnt_freq, &mnt->mnt_passno);
- } while(linebuf[n[0]] == '#' || n[1] == len);
-
- linebuf[n[1]] = 0;
- linebuf[n[3]] = 0;
- linebuf[n[5]] = 0;
- linebuf[n[7]] = 0;
-
- mnt->mnt_fsname = linebuf + n[0];
- mnt->mnt_dir = linebuf + n[2];
- mnt->mnt_type = linebuf + n[4];
- mnt->mnt_opts = linebuf + n[6];
-
- return mnt;
-}