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-rw-r--r--utility.c38
1 files changed, 21 insertions, 17 deletions
diff --git a/utility.c b/utility.c
index a38ecf080..65496b9f7 100644
--- a/utility.c
+++ b/utility.c
@@ -1388,15 +1388,14 @@ extern char * xstrndup (const char *s, int n) {
if (s == NULL)
error_msg_and_die("xstrndup bug");
- t = xmalloc(n+1);
- strncpy(t,s,n);
- t[n] = 0;
-
- return t;
+ t = xmalloc(++n);
+
+ return safe_strncpy(t,s,n);
}
#endif
-#if defined BB_IFCONFIG || defined BB_ROUTE
+#if defined BB_IFCONFIG || defined BB_ROUTE || defined BB_NFSMOUNT || \
+ defined BB_FEATURE_MOUNT_LOOP
/* Like strncpy but make sure the resulting string is always 0 terminated. */
extern char * safe_strncpy(char *dst, const char *src, size_t size)
{
@@ -1457,8 +1456,7 @@ extern int set_loop(const char *device, const char *file, int offset,
*loopro = (mode == O_RDONLY);
memset(&loopinfo, 0, sizeof(loopinfo));
- strncpy(loopinfo.lo_name, file, LO_NAME_SIZE);
- loopinfo.lo_name[LO_NAME_SIZE - 1] = 0;
+ safe_strncpy(loopinfo.lo_name, file, LO_NAME_SIZE);
loopinfo.lo_offset = offset;
@@ -1695,7 +1693,7 @@ FILE *wfopen(const char *path, const char *mode)
#if defined BB_HOSTNAME || defined BB_LOADACM || defined BB_MORE \
|| defined BB_SED || defined BB_SH || defined BB_TAR || defined BB_UNIQ \
|| defined BB_WC || defined BB_CMP || defined BB_SORT || defined BB_WGET \
- || defined BB_MOUNT
+ || defined BB_MOUNT || defined BB_ROUTE
FILE *xfopen(const char *path, const char *mode)
{
FILE *fp;
@@ -1745,15 +1743,21 @@ unsigned long parse_number(const char *numstr,
if (numstr == end)
error_msg_and_die("invalid number `%s'", numstr);
while (end[0] != '\0') {
- for (sm = suffixes; sm->suffix != NULL; sm++) {
- len = strlen(sm->suffix);
- if (strncmp(sm->suffix, end, len) == 0) {
- ret *= sm->mult;
- end += len;
- break;
- }
+ sm = suffixes;
+ while ( sm != 0 ) {
+ if(sm->suffix) {
+ len = strlen(sm->suffix);
+ if (strncmp(sm->suffix, end, len) == 0) {
+ ret *= sm->mult;
+ end += len;
+ break;
+ }
+ sm++;
+
+ } else
+ sm = 0;
}
- if (sm->suffix == NULL)
+ if (sm == 0)
error_msg_and_die("invalid number `%s'", numstr);
}
return ret;