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Add ENV_NAME_FORCE_WRITE to force writes to non-tty devices.

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This commit is contained in:
Simon Ruderich
2013-06-01 21:13:23 +02:00
parent 7d4d8e0784
commit 96710bc3fa
3 changed files with 19 additions and 6 deletions
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11
src/trackfds.h
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@@ -34,10 +34,19 @@ static size_t tracked_fds_space;
* ENV_NAME_FDS has the following format: Each descriptor as string followed
* by a comma; there's a trailing comma. Example: "2,4,". */
static void init_from_environment(void) {
const char *env;
initialized = 1;
tracked_fds_count = 0;
const char *env = getenv(ENV_NAME_FDS);
/* If ENV_NAME_FORCE_WRITE is set and not empty, allow writes to a non-tty
* device. Use with care! Mainly used for the test suite. */
env = getenv(ENV_NAME_FORCE_WRITE);
if (env && env[0] != '\0') {
force_write_to_non_tty = 1;
}
env = getenv(ENV_NAME_FDS);
if (!env) {
return;
}