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change strcpy to strlcpy

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Signed-off-by: lilei19 <lilei19@xiaomi.com>
This commit is contained in:
lilei19
2023-02-08 11:29:09 +08:00
committed by GUIDINGLI
parent 68ff73c5fb
commit 38f64f559d
47 changed files with 155 additions and 123 deletions
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libs/libc/grp/lib_getgrbufr.c
+8 -4
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@@ -64,6 +64,8 @@ int getgrbuf_r(gid_t gid, FAR const char *name, FAR const char *passwd,
{
size_t reqdlen;
size_t padlen;
size_t namesize;
size_t passwdsize;
/* In 'buf' a NULL pointer value will be stored, which must be naturally
* aligned, followed by the null terminated group name string and the null
@@ -71,8 +73,10 @@ int getgrbuf_r(gid_t gid, FAR const char *name, FAR const char *passwd,
* sufficient buffer space was supplied by the caller.
*/
namesize = strlen(name) + 1;
passwdsize = strlen(passwd) + 1;
padlen = sizeof(FAR void *) - ((uintptr_t)buf % sizeof(FAR char *));
reqdlen = sizeof(FAR void *) + strlen(name) + 1 + strlen(passwd) + 1;
reqdlen = sizeof(FAR void *) + namesize + passwdsize;
if (buflen < padlen + reqdlen)
{
@@ -84,10 +88,10 @@ int getgrbuf_r(gid_t gid, FAR const char *name, FAR const char *passwd,
grp->gr_mem = (FAR char **)&buf[padlen];
grp->gr_name = &buf[padlen + sizeof(FAR char *)];
grp->gr_passwd = &buf[padlen + sizeof(FAR char *) + strlen(name) + 1];
grp->gr_passwd = &buf[padlen + sizeof(FAR char *) + namesize];
strcpy(grp->gr_name, name);
strcpy(grp->gr_passwd, passwd);
strlcpy(grp->gr_name, name, namesize);
strlcpy(grp->gr_passwd, passwd, passwdsize);
grp->gr_gid = gid;
*grp->gr_mem = NULL;