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utils: Implement wrappers for g_spawn_sync and g_spawn_async

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Implement warpper for g_spawn_sync and g_spawn_async that that take argv
and envp arguments as 'const gchar **' since they will be called like
this from swtpm_localca and swtpm_setup. Internally glib also uses the
parameters like this when calling fork_exec() for example.

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
This commit is contained in:
Stefan Berger 2024-09-22 16:23:58 -04:00 committed by Stefan Berger
parent 402c31df25
commit dba5fa616e
1 changed files with 42 additions and 0 deletions
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42
src/utils/swtpm_utils.h
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@ -60,4 +60,46 @@ int json_get_map_value(const char *json_input, const char *field_name,
int strv_strcmp(gchar *const*str_array, const gchar *s);
/*
* Wrapper for g_spawn_sync taking const gchar ** argv / envp that
* internal glib function g_spawn_sync_impl & fork_exec will also use like
* this on posix.
*/
static inline gboolean spawn_sync(const gchar *working_directory,
const gchar **argv,
const gchar **envp,
GSpawnFlags flags,
GSpawnChildSetupFunc child_setup,
gpointer user_data,
gchar **standard_output,
gchar **standard_error,
gint *wait_status,
GError **error)
{
g_auto(GStrv) _argv = g_strdupv((gchar **)argv);
g_auto(GStrv) _envp = g_strdupv((gchar **)envp);
return g_spawn_sync(working_directory, _argv, _envp, flags, child_setup,
user_data, standard_output, standard_error, wait_status,
error);
}
/* Wrapper g_spawn_async that take const gchar ** for argv and envp. */
static inline gboolean spawn_async(const gchar *working_directory,
const gchar **argv,
const gchar **envp,
GSpawnFlags flags,
GSpawnChildSetupFunc child_setup,
gpointer user_data,
GPid *child_pid,
GError **error)
{
g_auto(GStrv) _argv = g_strdupv((gchar **)argv);
g_auto(GStrv) _envp = g_strdupv((gchar **)envp);
return g_spawn_async_with_pipes(
working_directory, _argv, _envp, flags, child_setup, user_data,
child_pid, NULL, NULL, NULL, error);
}
#endif /* SWTPM_UTILS_H */