Merge pull request #6558 from DimitryAndric/fix-qsort-variants-2

Work around -Werror problems when detecting qsort variants

3 files changed, 24 insertions, 22 deletions

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index de591e4e4..88d616cec 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -60,27 +60,27 @@ add_feature_info(futimens GIT_USE_FUTIMENS "futimens support")
 
 # old-style FreeBSD qsort_r() has the 'context' parameter as the first argument
 # of the comparison function:
-check_prototype_definition(qsort_r
+check_prototype_definition_safe(qsort_r
 	"void (qsort_r)(void *base, size_t nmemb, size_t size, void *context, int (*compar)(void *, const void *, const void *))"
-	"" "stdlib.h" GIT_QSORT_R_BSD)
+	"" "stdlib.h" GIT_QSORT_BSD)
 
 # GNU or POSIX qsort_r() has the 'context' parameter as the last argument of the
 # comparison function:
-check_prototype_definition(qsort_r
+check_prototype_definition_safe(qsort_r
 	"void (qsort_r)(void *base, size_t nmemb, size_t size, int (*compar)(const void *, const void *, void *), void *context)"
-	"" "stdlib.h" GIT_QSORT_R_GNU)
+	"" "stdlib.h" GIT_QSORT_GNU)
 
 # C11 qsort_s() has the 'context' parameter as the last argument of the
 # comparison function, and returns an error status:
-check_prototype_definition(qsort_s
+check_prototype_definition_safe(qsort_s
 	"errno_t (qsort_s)(void *base, rsize_t nmemb, rsize_t size, int (*compar)(const void *, const void *, void *), void *context)"
-	"0" "stdlib.h" GIT_QSORT_S_C11)
+	"0" "stdlib.h" GIT_QSORT_C11)
 
 # MSC qsort_s() has the 'context' parameter as the first argument of the
 # comparison function, and as the last argument of qsort_s():
-check_prototype_definition(qsort_s
+check_prototype_definition_safe(qsort_s
 	"void (qsort_s)(void *base, size_t num, size_t width, int (*compare )(void *, const void *, const void *), void *context)"
-	"" "stdlib.h" GIT_QSORT_S_MSC)
+	"" "stdlib.h" GIT_QSORT_MSC)
 
 # random / entropy data
 
diff --git a/src/util/git2_features.h.in b/src/util/git2_features.h.in
index 5f606df84..18644c3cc 100644
--- a/src/util/git2_features.h.in
+++ b/src/util/git2_features.h.in
@@ -24,10 +24,10 @@
 #cmakedefine GIT_REGEX_PCRE2
 #cmakedefine GIT_REGEX_BUILTIN 1
 
-#cmakedefine GIT_QSORT_R_BSD
-#cmakedefine GIT_QSORT_R_GNU
-#cmakedefine GIT_QSORT_S_C11
-#cmakedefine GIT_QSORT_S_MSC
+#cmakedefine GIT_QSORT_BSD
+#cmakedefine GIT_QSORT_GNU
+#cmakedefine GIT_QSORT_C11
+#cmakedefine GIT_QSORT_MSC
 
 #cmakedefine GIT_SSH 1
 #cmakedefine GIT_SSH_MEMORY_CREDENTIALS 1
diff --git a/src/util/util.c b/src/util/util.c
index f4eaf5835..c8e8303af 100644
--- a/src/util/util.c
+++ b/src/util/util.c
@@ -18,7 +18,7 @@
 # endif
 # include <windows.h>
 
-# ifdef GIT_QSORT_S_MSC
+# ifdef GIT_QSORT_MSC
 #  include <search.h>
 # endif
 #endif
@@ -673,7 +673,7 @@ size_t git__unescape(char *str)
 	return (pos - str);
 }
 
-#if defined(GIT_QSORT_S_MSC) || defined(GIT_QSORT_R_BSD)
+#if defined(GIT_QSORT_MSC) || defined(GIT_QSORT_BSD)
 typedef struct {
 	git__sort_r_cmp cmp;
 	void *payload;
@@ -688,10 +688,11 @@ static int GIT_LIBGIT2_CALL git__qsort_r_glue_cmp(
 #endif
 
 
-#if !defined(GIT_QSORT_R_BSD) && \
-	!defined(GIT_QSORT_R_GNU) && \
-	!defined(GIT_QSORT_S_C11) && \
-	!defined(GIT_QSORT_S_MSC)
+#if !defined(GIT_QSORT_BSD) && \
+    !defined(GIT_QSORT_GNU) && \
+    !defined(GIT_QSORT_C11) && \
+    !defined(GIT_QSORT_MSC)
+
 static void swap(uint8_t *a, uint8_t *b, size_t elsize)
 {
 	char tmp[256];
@@ -717,19 +718,20 @@ static void insertsort(
 		for (j = i; j > base && cmp(j, j - elsize, payload) < 0; j -= elsize)
 			swap(j, j - elsize, elsize);
 }
+
 #endif
 
 void git__qsort_r(
 	void *els, size_t nel, size_t elsize, git__sort_r_cmp cmp, void *payload)
 {
-#if defined(GIT_QSORT_R_GNU)
+#if defined(GIT_QSORT_GNU)
 	qsort_r(els, nel, elsize, cmp, payload);
-#elif defined(GIT_QSORT_S_C11)
+#elif defined(GIT_QSORT_C11)
 	qsort_s(els, nel, elsize, cmp, payload);
-#elif defined(GIT_QSORT_R_BSD)
+#elif defined(GIT_QSORT_BSD)
 	git__qsort_r_glue glue = { cmp, payload };
 	qsort_r(els, nel, elsize, &glue, git__qsort_r_glue_cmp);
-#elif defined(GIT_QSORT_S_MSC)
+#elif defined(GIT_QSORT_MSC)
 	git__qsort_r_glue glue = { cmp, payload };
 	qsort_s(els, nel, elsize, git__qsort_r_glue_cmp, &glue);
 #else