[PATCH/RFC 1/2] wrapper: supply xsetenv

[Erik Faye-Lund <kusmabite@gmail.com>]

Signed-off-by: Erik Faye-Lund <kusmabite@gmail.com>
---
 git-compat-util.h |    1 +
 wrapper.c         |    6 ++++++
 2 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/git-compat-util.h b/git-compat-util.h
index 77062ed..551a0be 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -439,6 +439,7 @@ extern int xdup(int fd);
 extern FILE *xfdopen(int fd, const char *mode);
 extern int xmkstemp(char *template);
 extern int xmkstemp_mode(char *template, int mode);
+extern int xsetenv(const char *name, const char *val, int override);
 extern int odb_mkstemp(char *template, size_t limit, const char *pattern);
 extern int odb_pack_keep(char *name, size_t namesz, unsigned char *sha1);
 
diff --git a/wrapper.c b/wrapper.c
index 85f09df..442800b 100644
--- a/wrapper.c
+++ b/wrapper.c
@@ -381,3 +381,9 @@ int remove_or_warn(unsigned int mode, const char *file)
 {
 	return S_ISGITLINK(mode) ? rmdir_or_warn(file) : unlink_or_warn(file);
 }
+
+int xsetenv(const char *name, const char *val, int overwrite)
+{
+	if (setenv(name, val, overwrite))
+		die_errno("setenv failed");
+}
-- 
1.7.7.1.msysgit.0.272.g9e47e