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Fix netif_find() function for many netifs (should use atoi) and move it to the bottom of the file where similar functions are located

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Dirk Ziegelmeier 2017-02-13 13:35:30 +01:00
parent 400c41ffd9
commit 45f3c28eb2
1 changed files with 32 additions and 31 deletions
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63
src/core/netif.c
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@ -51,6 +51,7 @@
#include "lwip/opt.h" #include "lwip/opt.h"
#include <string.h> #include <string.h>
#include <stdlib.h> /* atoi */
#include "lwip/def.h" #include "lwip/def.h"
#include "lwip/ip_addr.h" #include "lwip/ip_addr.h"
@ -471,37 +472,6 @@ netif_remove(struct netif *netif)
LWIP_DEBUGF( NETIF_DEBUG, ("netif_remove: removed netif\n") ); LWIP_DEBUGF( NETIF_DEBUG, ("netif_remove: removed netif\n") );
} }
/**
* @ingroup netif
* Find a network interface by searching for its name
*
* @param name the name of the netif (like netif->name) plus concatenated number
* in ascii representation (e.g. 'en0')
*/
struct netif *
netif_find(const char *name)
{
struct netif *netif;
u8_t num;
if (name == NULL) {
return NULL;
}
num = (u8_t)(name[2] - '0');
for (netif = netif_list; netif != NULL; netif = netif->next) {
if (num == netif->num &&
name[0] == netif->name[0] &&
name[1] == netif->name[1]) {
LWIP_DEBUGF(NETIF_DEBUG, ("netif_find: found %c%c\n", name[0], name[1]));
return netif;
}
}
LWIP_DEBUGF(NETIF_DEBUG, ("netif_find: didn't find %c%c\n", name[0], name[1]));
return NULL;
}
#if LWIP_IPV4 #if LWIP_IPV4
/** /**
* @ingroup netif_ip4 * @ingroup netif_ip4
@ -1359,3 +1329,34 @@ netif_get_by_index(u8_t idx)
return NULL; return NULL;
} }
/**
* @ingroup netif
* Find a network interface by searching for its name
*
* @param name the name of the netif (like netif->name) plus concatenated number
* in ascii representation (e.g. 'en0')
*/
struct netif *
netif_find(const char *name)
{
struct netif *netif;
u8_t num;
if (name == NULL) {
return NULL;
}
num = (u8_t)atoi(&name[2]);
for (netif = netif_list; netif != NULL; netif = netif->next) {
if (num == netif->num &&
name[0] == netif->name[0] &&
name[1] == netif->name[1]) {
LWIP_DEBUGF(NETIF_DEBUG, ("netif_find: found %c%c\n", name[0], name[1]));
return netif;
}
}
LWIP_DEBUGF(NETIF_DEBUG, ("netif_find: didn't find %c%c\n", name[0], name[1]));
return NULL;
}