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-rw-r--r--compat/setenv.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/compat/setenv.c b/compat/setenv.c
new file mode 100644
index 0000000..94acd2d
--- /dev/null
+++ b/compat/setenv.c
@@ -0,0 +1,31 @@
+#include <stdlib.h>
+#include <string.h>
+
+int gitsetenv(const char *name, const char *value, int replace)
+{
+ int out;
+ size_t namelen, valuelen;
+ char *envstr;
+
+ if (!name || !value) return -1;
+ if (!replace) {
+ char *oldval = NULL;
+ oldval = getenv(name);
+ if (oldval) return 0;
+ }
+
+ namelen = strlen(name);
+ valuelen = strlen(value);
+ envstr = malloc((namelen + valuelen + 2) * sizeof(char));
+ if (!envstr) return -1;
+
+ memcpy(envstr, name, namelen);
+ envstr[namelen] = '=';
+ memcpy(envstr + namelen + 1, value, valuelen);
+ envstr[namelen + valuelen + 1] = 0;
+
+ out = putenv(envstr);
+
+ free(envstr);
+ return out;
+}