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Add function to parse IPv4 addresses

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PR #2807 <https://github.com/Genymobile/scrcpy/pull/2807>

Signed-off-by: Romain Vimont <rom@rom1v.com>
This commit is contained in:
RipleyTom 2021-11-18 01:02:53 +01:00 committed by Romain Vimont
parent 2d6a96776c
commit d290b44248
2 changed files with 23 additions and 0 deletions
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17
app/src/util/net.c
View file

@ -1,3 +1,7 @@
// For inet_pton() on Windows
#define _WIN32_WINNT 0x0600
#define WINVER 0x0600
#include "net.h"
#include <assert.h>
@ -7,6 +11,7 @@
#include "log.h"
#ifdef __WINDOWS__
# include <ws2tcpip.h>
typedef int socklen_t;
typedef SOCKET sc_raw_socket;
#else
@ -225,3 +230,15 @@ net_close(sc_socket socket) {
return !close(raw_sock);
#endif
}
bool
net_parse_ipv4(const char *s, uint32_t *ipv4) {
struct in_addr addr;
if (!inet_pton(AF_INET, s, &addr)) {
LOGE("Invalid IPv4 address: %s", s);
return false;
}
*ipv4 = ntohl(addr.s_addr);
return true;
}

6
app/src/util/net.h
View file

@ -68,4 +68,10 @@ net_interrupt(sc_socket socket);
bool
net_close(sc_socket socket);
/**
* Parse `ip` "xxx.xxx.xxx.xxx" to an IPv4 host representation
*/
bool
net_parse_ipv4(const char *ip, uint32_t *ipv4);
#endif