From 9fcd9687814f12770487d03dd0a61d42fc6ad693 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Wed, 6 Jun 2018 15:41:51 +0300
Subject: Merge with 1.4.2 upstream package version

---
 libpkgconf/fragment.c | 54 +++++++++++++++++++++++++++++++--------------------
 libpkgconf/pkg.c      | 33 ++++++++++++++++++++++++++-----
 2 files changed, 61 insertions(+), 26 deletions(-)

(limited to 'libpkgconf')

diff --git a/libpkgconf/fragment.c b/libpkgconf/fragment.c
index 1ea91ee..5b686f5 100644
--- a/libpkgconf/fragment.c
+++ b/libpkgconf/fragment.c
@@ -386,15 +386,19 @@ pkgconf_fragment_filter(const pkgconf_client_t *client, pkgconf_list_t *dest, pk
 	}
 }
 
-static inline bool
-fragment_should_quote(const pkgconf_fragment_t *frag)
+static inline char *
+fragment_quote(const pkgconf_fragment_t *frag)
 {
-	const char *src;
+	const char *src = frag->data;
+	ssize_t outlen = strlen(src) + 10;
+	char *out, *dst;
 
 	if (frag->data == NULL)
-		return false;
+		return NULL;
+
+	out = dst = calloc(outlen, 1);
 
-	for (src = frag->data; *src; src++)
+	for (; *src; src++)
 	{
 		if (((*src < ' ') ||
 		    (*src >= (' ' + (frag->merged ? 1 : 0)) && *src < '$') ||
@@ -406,10 +410,19 @@ fragment_should_quote(const pkgconf_fragment_t *frag)
 		    (*src == '`') ||
 		    (*src > 'z' && *src < '~') ||
 		    (*src > '~')))
-			return true;
+			*dst++ = '\\';
+
+		*dst++ = *src;
+
+		if ((ptrdiff_t)(dst - out) + 2 > outlen)
+		{
+			outlen *= 2;
+			out = realloc(out, outlen);
+		}
 	}
 
-	return false;
+	*dst = 0;
+	return out;
 }
 
 static inline size_t
@@ -422,10 +435,9 @@ pkgconf_fragment_len(const pkgconf_fragment_t *frag)
 
 	if (frag->data != NULL)
 	{
-		len += strlen(frag->data);
-
-		if (fragment_should_quote(frag))
-			len += 2;
+		char *quoted = fragment_quote(frag);
+		len += strlen(quoted);
+		free(quoted);
 	}
 
 	return len;
@@ -462,13 +474,13 @@ fragment_render_buf(const pkgconf_list_t *list, char *buf, size_t buflen, bool e
 	{
 		const pkgconf_fragment_t *frag = node->data;
 		size_t buf_remaining = buflen - (bptr - buf);
-		bool should_quote = fragment_should_quote(frag);
+		char *quoted = fragment_quote(frag);
 
-		if (pkgconf_fragment_len(frag) > buf_remaining)
+		if (strlen(quoted) > buf_remaining)
+		{
+			free(quoted);
 			break;
-
-		if (should_quote)
-			*bptr++ = '\'';
+		}
 
 		if (frag->type)
 		{
@@ -476,11 +488,11 @@ fragment_render_buf(const pkgconf_list_t *list, char *buf, size_t buflen, bool e
 			*bptr++ = frag->type;
 		}
 
-		if (frag->data)
-			bptr += pkgconf_strlcpy(bptr, frag->data, buf_remaining);
-
-		if (should_quote)
-			*bptr++ = '\'';
+		if (quoted != NULL)
+		{
+			bptr += pkgconf_strlcpy(bptr, quoted, buf_remaining);
+			free(quoted);
+		}
 
 		*bptr++ = ' ';
 	}
diff --git a/libpkgconf/pkg.c b/libpkgconf/pkg.c
index 6918d6d..0feb4d6 100644
--- a/libpkgconf/pkg.c
+++ b/libpkgconf/pkg.c
@@ -884,15 +884,25 @@ static pkgconf_pkg_t pkg_config_virtual = {
 	.flags = PKGCONF_PKG_PROPF_STATIC,
 	.vars = {
 		.head = &(pkgconf_node_t){
-			.prev = NULL,
-			.next = NULL,
+			.next = &(pkgconf_node_t){
+				.next = &(pkgconf_node_t){
+					.data = &(pkgconf_tuple_t){
+						.key = "pc_system_libdirs",
+						.value = SYSTEM_LIBDIR,
+					}
+				},
+				.data = &(pkgconf_tuple_t){
+					.key = "pc_system_includedirs",
+					.value = SYSTEM_INCLUDEDIR,
+				}
+			},
 			.data = &(pkgconf_tuple_t){
 				.key = "pc_path",
 				.value = PKG_DEFAULT_PATH,
 			},
 		},
 		.tail = NULL,
-	},
+	}
 };
 
 static pkgconf_pkg_t pkgconf_virtual = {
@@ -904,8 +914,18 @@ static pkgconf_pkg_t pkgconf_virtual = {
 	.flags = PKGCONF_PKG_PROPF_STATIC,
 	.vars = {
 		.head = &(pkgconf_node_t){
-			.prev = NULL,
-			.next = NULL,
+			.next = &(pkgconf_node_t){
+				.next = &(pkgconf_node_t){
+					.data = &(pkgconf_tuple_t){
+						.key = "pc_system_libdirs",
+						.value = SYSTEM_LIBDIR,
+					}
+				},
+				.data = &(pkgconf_tuple_t){
+					.key = "pc_system_includedirs",
+					.value = SYSTEM_INCLUDEDIR,
+				}
+			},
 			.data = &(pkgconf_tuple_t){
 				.key = "pc_path",
 				.value = PKG_DEFAULT_PATH,
@@ -1241,7 +1261,10 @@ pkgconf_pkg_scan_providers(pkgconf_client_t *client, pkgconf_dependency_t *pkgde
 
 	pkg = pkgconf_scan_all(client, &ctx, (pkgconf_pkg_iteration_func_t) pkgconf_pkg_scan_provides_entry);
 	if (pkg != NULL)
+	{
+		pkgdep->match = pkgconf_pkg_ref(client, pkg);
 		return pkg;
+	}
 
 	if (eflags != NULL)
 		*eflags |= PKGCONF_PKG_ERRF_PACKAGE_NOT_FOUND;
-- 
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