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readlink.2: Change error check in example program from "< 0" to "== -1" 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2013-07-18 01:39:20 +02:00
parent e6c6110c13
commit 4b80b37c54
1 changed files with 2 additions and 2 deletions
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4
man2/readlink.2
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@ -40,7 +40,7 @@
.\" 2011-09-20, Guillem Jover <guillem@hadrons.org>:
.\" Added text on dynamically allocating buffer + example program
.\"
.TH READLINK 2 2011-09-20 "Linux" "Linux Programmer's Manual"
.TH READLINK 2 2013-07-18 "Linux" "Linux Programmer's Manual"
.SH NAME
readlink \- read value of a symbolic link
.SH SYNOPSIS
@ -193,7 +193,7 @@ main(int argc, char *argv[])
r = readlink(argv[1], linkname, sb.st_size + 1);
if (r < 0) {
if (r == \-1) {
perror("lstat");
exit(EXIT_FAILURE);
}