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83 lines
2.0 KiB
83 lines
2.0 KiB
From f81ca6161223e3566ce78a427571235fb6848fe9 Mon Sep 17 00:00:00 2001
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From: Andreas Schneider <asn@cryptomilk.org>
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Date: Wed, 29 Aug 2018 18:41:15 +0200
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Subject: [PATCH 1/8] misc: Add strndup implementation if not provides by the
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OS
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Fixes T112
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Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
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(cherry picked from commit 247983e9820fd264cb5a59c14cc12846c028bd08)
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Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
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---
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ConfigureChecks.cmake | 1 +
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config.h.cmake | 3 +++
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include/libssh/priv.h | 4 ++++
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src/misc.c | 21 +++++++++++++++++++++
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4 files changed, 29 insertions(+)
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--- a/ConfigureChecks.cmake
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+++ b/ConfigureChecks.cmake
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@@ -115,6 +115,7 @@ endif (NOT WITH_GCRYPT)
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check_function_exists(isblank HAVE_ISBLANK)
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check_function_exists(strncpy HAVE_STRNCPY)
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+check_function_exists(strndup HAVE_STRNDUP)
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check_function_exists(strtoull HAVE_STRTOULL)
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if (NOT WIN32)
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--- a/config.h.cmake
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+++ b/config.h.cmake
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@@ -103,6 +103,9 @@
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/* Define to 1 if you have the `strncpy' function. */
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#cmakedefine HAVE_STRNCPY 1
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+/* Define to 1 if you have the `strndup' function. */
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+#cmakedefine HAVE_STRNDUP 1
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+
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/* Define to 1 if you have the `cfmakeraw' function. */
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#cmakedefine HAVE_CFMAKERAW 1
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--- a/include/libssh/priv.h
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+++ b/include/libssh/priv.h
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@@ -43,6 +43,10 @@
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# endif
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#endif /* !defined(HAVE_STRTOULL) */
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+#if !defined(HAVE_STRNDUP)
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+char *strndup(const char *s, size_t n);
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+#endif /* ! HAVE_STRNDUP */
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+
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#ifdef HAVE_BYTESWAP_H
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#include <byteswap.h>
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#endif
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--- a/src/misc.c
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+++ b/src/misc.c
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@@ -1028,6 +1028,27 @@ int ssh_match_group(const char *group, c
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return 0;
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}
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+#if !defined(HAVE_STRNDUP)
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+char *strndup(const char *s, size_t n)
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+{
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+ char *x = NULL;
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+
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+ if (n + 1 < n) {
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+ return NULL;
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+ }
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+
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+ x = malloc(n + 1);
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+ if (x == NULL) {
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+ return NULL;
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+ }
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+
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+ memcpy(x, s, n);
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+ x[n] = '\0';
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+
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+ return x;
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+}
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+#endif /* ! HAVE_STRNDUP */
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+
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/** @} */
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/* vim: set ts=4 sw=4 et cindent: */
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