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getdents.2: Use appropriate types 

[mtk: Applied patch manually]

getdents():
This function has no glibc wrapper.
As such, we should use the same types the Linux kernel uses:
Use 'long' as the return type.

getdents64():
The glibc wrapper uses:
ssize_t getdents64(int, void *, size_t);

Signed-off-by: Alejandro Colomar <colomar.6.4.3@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Alejandro Colomar 2020-10-29 20:10:21 +01:00 committed by Michael Kerrisk
parent 833ba57027
commit 13e88b7070
1 changed files with 5 additions and 5 deletions
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10
man2/getdents.2
View File

@ -33,14 +33,13 @@
getdents, getdents64 \- get directory entries
.SH SYNOPSIS
.nf
.BI "int getdents(unsigned int " fd ", struct linux_dirent *" dirp ,
.BI "long getdents(unsigned int " fd ", struct linux_dirent *" dirp ,
.BI " unsigned int " count );
.PP
.BR "#define _GNU_SOURCE" " /* See feature_test_macros(7) */"
.BR "#include <dirent.h>"
.PP
.BI "int getdents64(unsigned int " fd ", struct linux_dirent64 *" dirp ,
.BI " unsigned int " count );
.BI "ssize_t getdents64(int " fd ", void *" dirp ", size_t " count );
.fi
.PP
.IR Note :
@ -282,7 +281,8 @@ struct linux_dirent {
int
main(int argc, char *argv[])
{
int fd, nread;
int fd;
long nread;
char buf[BUF_SIZE];
struct linux_dirent *d;
char d_type;
@ -301,7 +301,7 @@ main(int argc, char *argv[])
printf("\-\-\-\-\-\-\-\-\-\-\-\-\-\-\- nread=%d \-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\en", nread);
printf("inode# file type d_reclen d_off d_name\en");
for (int bpos = 0; bpos < nread;) {
for (long bpos = 0; bpos < nread;) {
d = (struct linux_dirent *) (buf + bpos);
printf("%8ld ", d\->d_ino);
d_type = *(buf + bpos + d\->d_reclen \- 1);