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fix issue with reading ipv6 routes. Handle space ahead of first line of route.

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mlondono74 2022-11-17 15:34:08 -05:00 committed by Xiang Xiao
parent 92d38a3bb1
commit fd22b63722
1 changed files with 9 additions and 3 deletions
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12
netutils/netlib/netlib_ipv6route.c
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@ -28,7 +28,7 @@
#include <string.h> #include <string.h>
#include <assert.h> #include <assert.h>
#include <errno.h> #include <errno.h>
#include <ctype.h>
#include <arpa/inet.h> #include <arpa/inet.h>
#include "netutils/netlib.h" #include "netutils/netlib.h"
@ -110,6 +110,7 @@ ssize_t netlib_read_ipv6route(FILE *stream,
char line[PROCFS_LINELEN]; char line[PROCFS_LINELEN];
FAR char *addr; FAR char *addr;
int ret; int ret;
int idx = 0;
DEBUGASSERT(stream != NULL && route != NULL); DEBUGASSERT(stream != NULL && route != NULL);
@ -131,9 +132,14 @@ ssize_t netlib_read_ipv6route(FILE *stream,
return 0; return 0;
} }
/* The first line of the group should consist of a number index */ /* First non-space char of 1st line should be a number index */
if (line[0] < '0' || line[0] > 9) while (isspace(line[idx]))
{
idx++;
}
if (line[idx] < '0' || line[idx] > '9')
{ {
return -EINVAL; return -EINVAL;
} }