this repo has no description
Implemented sys_statfs()
+104
-1
+1
src/kernel/emulation/linux/CMakeLists.txt
+1
src/kernel/emulation/linux/CMakeLists.txt
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-1
src/kernel/emulation/linux/stat/getfsstat.c
+1
-1
src/kernel/emulation/linux/stat/getfsstat.c
+90
src/kernel/emulation/linux/stat/statfs.c
+90
src/kernel/emulation/linux/stat/statfs.c
···
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#include "statfs.h"
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#include "common.h"
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#include "../base.h"
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#include "../errno.h"
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#include "../simple.h"
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#include "../../../../libc/include/fcntl.h"
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#include "../fcntl/open.h"
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#include "../unistd/close.h"
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#include <asm/unistd.h>
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#include <stddef.h>
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extern char *strtok_r(char *str, const char *delim, char **saveptr);
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extern unsigned long strlcpy(char* dst, const char* src, unsigned long size);
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extern unsigned long strlen(const char* str);
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extern int strncmp(const char* s1, const char* s2, unsigned long len);
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long sys_statfs(const char* path, struct bsd_statfs* buf)
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{
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#ifdef __x86_64__
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return sys_statfs64(path, (struct bsd_statfs64*) buf);
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#else
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# warning Not implemented
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return 0;
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#endif
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}
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long sys_statfs64(const char* path, struct bsd_statfs64* buf)
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{
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int fd, ret;
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struct simple_readline_buf rbuf;
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struct linux_statfs64 lbuf;
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char line[512];
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int max_len = 0;
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#ifdef __NR_statfs64
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ret = LINUX_SYSCALL2(__NR_statfs64, path, &lbuf);
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#else
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ret = LINUX_SYSCALL2(__NR_statfs, path, &lbuf);
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#endif
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if (ret < 0)
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return errno_linux_to_bsd(ret);
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statfs_linux_to_bsd64(&lbuf, buf);
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fd = sys_open("/proc/self/mounts", O_RDONLY, 0);
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if (fd < 0)
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return errno_linux_to_bsd(fd);
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__simple_readline_init(&rbuf);
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buf->f_mntonname[0] = 0;
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buf->f_fstypename[0] = 0;
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buf->f_mntfromname[0] = 0;
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while (__simple_readline(fd, &rbuf, line, sizeof(line)))
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{
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char* p;
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char* saveptr;
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char* mntfrom;
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int len;
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p = strtok_r(line, " ", &saveptr);
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if (p == NULL)
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continue;
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mntfrom = p;
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p = strtok_r(NULL, " ", &saveptr);
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if (p == NULL)
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continue;
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len = strlen(p);
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if (strncmp(p, path, len) != 0 || len < max_len)
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continue;
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max_len = len;
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strlcpy(buf->f_mntonname, p, sizeof(buf->f_mntonname));
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p = strtok_r(NULL, " ", &saveptr);
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if (p == NULL)
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continue;
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strlcpy(buf->f_fstypename, p, sizeof(buf->f_fstypename));
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strlcpy(buf->f_mntfromname, mntfrom, sizeof(buf->f_mntfromname));
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}
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sys_close(fd);
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return 0;
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}
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+9
src/kernel/emulation/linux/stat/statfs.h
+9
src/kernel/emulation/linux/stat/statfs.h
+3
src/kernel/emulation/linux/syscalls.c
+3
src/kernel/emulation/linux/syscalls.c
···
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#include "stat/fstat.h"
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#include "stat/stat.h"
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#include "stat/lstat.h"
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#include "stat/statfs.h"
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#include "stat/getfsstat.h"
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#include "time/gettimeofday.h"
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#include "wqueue/bsdthread_register.h"
···
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[147] = sys_setsid,
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[153] = sys_pread,
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[154] = sys_pwrite,
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[157] = sys_statfs,
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[181] = sys_setgid,
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[182] = sys_setegid,
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[183] = sys_seteuid,
···
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[339] = sys_fstat64,
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[340] = sys_lstat64,
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[344] = sys_getdirentries64,
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[345] = sys_statfs64,
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[347] = sys_getfsstat64,
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[366] = sys_bsdthread_register,
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[372] = sys_thread_selfid,