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pathtrace.c: use xsprintf instead of sprintf

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* pathtrace.c: Include "xstring.h".
(getfdpath): Replace sprintf with xsprintf.
This commit is contained in:
Дмитрий Левин 2018-01-06 01:45:16 +00:00
parent e0d0dec788
commit ffeaaa44c0
1 changed files with 2 additions and 1 deletions
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3
pathtrace.c
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@ -32,6 +32,7 @@
#include <poll.h>
#include "syscall.h"
#include "xstring.h"
struct path_set global_path_set;
@ -105,7 +106,7 @@ getfdpath(struct tcb *tcp, int fd, char *buf, unsigned bufsize)
if (fd < 0)
return -1;
sprintf(linkpath, "/proc/%u/fd/%u", tcp->pid, fd);
xsprintf(linkpath, "/proc/%u/fd/%u", tcp->pid, fd);
n = readlink(linkpath, buf, bufsize - 1);
/*
* NB: if buf is too small, readlink doesn't fail,