From: Karsten Blees <[email protected]>
Signed-off-by: Karsten Blees <[email protected]>
Signed-off-by: Stepan Kasal <[email protected]>
---
compat/mingw.c | 55 ++++++++++++++++++++++++++++++++-----------------------
1 file changed, 32 insertions(+), 23 deletions(-)
diff --git a/compat/mingw.c b/compat/mingw.c
index 89fe62b..3f81c90 100644
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -905,6 +905,36 @@ static int compareenv(const void *a, const void *b)
return strcasecmp(*ea, *eb);
}
+/*
+ * Create environment block suitable for CreateProcess.
+ */
+static wchar_t *make_environment_block(char **env)
+{
+ wchar_t *wenvblk = NULL;
+ int count = 0;
+ char **e, **tmpenv;
+ int size = 0, wenvsz = 0, wenvpos = 0;
+
+ for (e = env; *e; e++)
+ count++;
+
+ /* environment must be sorted */
+ tmpenv = xmalloc(sizeof(*tmpenv) * (count + 1));
+ memcpy(tmpenv, env, sizeof(*tmpenv) * (count + 1));
+ qsort(tmpenv, count, sizeof(*tmpenv), compareenv);
+
+ /* create environment block from temporary environment */
+ for (e = tmpenv; *e; e++) {
+ size = 2 * strlen(*e) + 2; /* +2 for final \0 */
+ ALLOC_GROW(wenvblk, (wenvpos + size) * sizeof(wchar_t), wenvsz);
+ wenvpos += xutftowcs(&wenvblk[wenvpos], *e, size) + 1;
+ }
+ /* add final \0 terminator */
+ wenvblk[wenvpos] = 0;
+ free(tmpenv);
+ return wenvblk;
+}
+
struct pinfo_t {
struct pinfo_t *next;
pid_t pid;
@@ -981,29 +1011,8 @@ static pid_t mingw_spawnve_fd(const char *cmd, const char
**argv, char **env,
xutftowcs(wargs, args.buf, 2 * args.len + 1);
strbuf_release(&args);
- if (env) {
- int count = 0;
- char **e, **sorted_env;
- int size = 0, wenvsz = 0, wenvpos = 0;
-
- for (e = env; *e; e++)
- count++;
-
- /* environment must be sorted */
- sorted_env = xmalloc(sizeof(*sorted_env) * (count + 1));
- memcpy(sorted_env, env, sizeof(*sorted_env) * (count + 1));
- qsort(sorted_env, count, sizeof(*sorted_env), compareenv);
-
- /* create environment block from temporary environment */
- for (e = sorted_env; *e; e++) {
- size = 2 * strlen(*e) + 2; /* +2 for final \0 */
- ALLOC_GROW(wenvblk, (wenvpos + size) * sizeof(wchar_t),
wenvsz);
- wenvpos += xutftowcs(&wenvblk[wenvpos], *e, size) + 1;
- }
- /* add final \0 terminator */
- wenvblk[wenvpos] = 0;
- free(sorted_env);
- }
+ if (env)
+ wenvblk = make_environment_block(env);
memset(&pi, 0, sizeof(pi));
ret = CreateProcessW(wcmd, wargs, NULL, NULL, TRUE, flags,
--
2.0.0.9635.g0be03cb
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