[tor-commits] [torsocks/master] Fix: don't lookup symbol if already found

[dgoulet@xxxxxxxxxxxxxx]

commit 5cfa671f15accb5ca90c4bd41c831c0216d33b37
Author: David Goulet <dgoulet@xxxxxxxxx>
Date:   Sat Nov 2 22:42:15 2013 -0400

    Fix: don't lookup symbol if already found
    
    Signed-off-by: David Goulet <dgoulet@xxxxxxxxx>
---
 src/lib/getaddrinfo.c |    7 +++++--
 src/lib/getpeername.c |    6 ++++--
 src/lib/recv.c        |    9 ++++++---
 src/lib/socketpair.c  |    9 ++++++---
 4 files changed, 21 insertions(+), 10 deletions(-)

diff --git a/src/lib/getaddrinfo.c b/src/lib/getaddrinfo.c
index 7a7a144..7d60e3e 100644
--- a/src/lib/getaddrinfo.c
+++ b/src/lib/getaddrinfo.c
@@ -99,7 +99,10 @@ error:
  */
 LIBC_GETADDRINFO_DECL
 {
-	tsocks_libc_getaddrinfo = tsocks_find_libc_symbol(LIBC_GETADDRINFO_NAME_STR,
-			TSOCKS_SYM_EXIT_NOT_FOUND);
+	if (!tsocks_libc_getaddrinfo) {
+		tsocks_libc_getaddrinfo = tsocks_find_libc_symbol(
+				LIBC_GETADDRINFO_NAME_STR, TSOCKS_SYM_EXIT_NOT_FOUND);
+	}
+
 	return tsocks_getaddrinfo(LIBC_GETADDRINFO_ARGS);
 }
diff --git a/src/lib/getpeername.c b/src/lib/getpeername.c
index 2315ace..0b0ad9b 100644
--- a/src/lib/getpeername.c
+++ b/src/lib/getpeername.c
@@ -57,8 +57,10 @@ LIBC_GETPEERNAME_DECL
 {
 	int ret;
 
-	tsocks_libc_getpeername = tsocks_find_libc_symbol(LIBC_GETPEERNAME_NAME_STR,
-			TSOCKS_SYM_EXIT_NOT_FOUND);
+	if (!tsocks_libc_getpeername) {
+		tsocks_libc_getpeername = tsocks_find_libc_symbol(
+				LIBC_GETPEERNAME_NAME_STR, TSOCKS_SYM_EXIT_NOT_FOUND);
+	}
 
 	ret = tsocks_libc_getpeername(LIBC_GETPEERNAME_ARGS);
 	if (ret < 0) {
diff --git a/src/lib/recv.c b/src/lib/recv.c
index 9f9aefc..11b2e7b 100644
--- a/src/lib/recv.c
+++ b/src/lib/recv.c
@@ -99,8 +99,11 @@ end:
  */
 LIBC_RECVMSG_DECL
 {
-	/* Find symbol if not already set. Exit if not found. */
-	tsocks_libc_recvmsg = tsocks_find_libc_symbol(LIBC_RECVMSG_NAME_STR,
-			TSOCKS_SYM_EXIT_NOT_FOUND);
+	if (!tsocks_libc_recvmsg) {
+		/* Find symbol if not already set. Exit if not found. */
+		tsocks_libc_recvmsg = tsocks_find_libc_symbol(LIBC_RECVMSG_NAME_STR,
+				TSOCKS_SYM_EXIT_NOT_FOUND);
+	}
+
 	return tsocks_recvmsg(LIBC_RECVMSG_ARGS);
 }
diff --git a/src/lib/socketpair.c b/src/lib/socketpair.c
index 599b4c3..8889410 100644
--- a/src/lib/socketpair.c
+++ b/src/lib/socketpair.c
@@ -54,8 +54,11 @@ LIBC_SOCKETPAIR_RET_TYPE tsocks_socketpair(LIBC_SOCKETPAIR_SIG)
  */
 LIBC_SOCKETPAIR_DECL
 {
-	/* Find symbol if not already set. Exit if not found. */
-	tsocks_libc_socketpair = tsocks_find_libc_symbol(LIBC_SOCKETPAIR_NAME_STR,
-			TSOCKS_SYM_EXIT_NOT_FOUND);
+	if (!tsocks_libc_socketpair) {
+		/* Find symbol if not already set. Exit if not found. */
+		tsocks_libc_socketpair = tsocks_find_libc_symbol(
+				LIBC_SOCKETPAIR_NAME_STR, TSOCKS_SYM_EXIT_NOT_FOUND);
+	}
+
 	return tsocks_socketpair(LIBC_SOCKETPAIR_ARGS);
 }



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