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commandhelper: Factor out printEnvironment

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Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
This commit is contained in:
Tim Wiederhake 2021-02-01 12:27:53 +01:00 committed by Peter Krempa
parent 99ceaffd15
commit 7aa36ccacc
1 changed files with 36 additions and 21 deletions
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57
tests/commandhelper.c
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@ -106,11 +106,44 @@ static int envsort(const void *a, const void *b)
}
}
static int printEnvironment(FILE *log)
{
char **newenv;
size_t length;
size_t i;
int ret = -1;
for (length = 0; environ[length]; length++) {
}
if (!(newenv = malloc(sizeof(*newenv) * length)))
goto cleanup;
for (i = 0; i < length; i++) {
newenv[i] = environ[i];
}
qsort(newenv, length, sizeof(newenv[0]), envsort);
for (i = 0; i < length; i++) {
/* Ignore the variables used to instruct the loader into
* behaving differently, as they could throw the tests off. */
if (!STRPREFIX(newenv[i], "LD_"))
fprintf(log, "ENV:%s\n", newenv[i]);
}
ret = 0;
cleanup:
if (newenv)
free(newenv);
return ret;
}
int main(int argc, char **argv) {
struct Arguments *args = parseArguments(argc, argv);
size_t i, n;
size_t i;
int open_max;
char **newenv = NULL;
char *cwd;
FILE *log = fopen(abs_builddir "/commandhelper.log", "w");
int ret = EXIT_FAILURE;
@ -126,25 +159,9 @@ int main(int argc, char **argv) {
printArguments(log, argc, argv);
for (n = 0; environ[n]; n++) {
}
if (!(newenv = malloc(sizeof(*newenv) * n)))
if (printEnvironment(log) != 0)
goto cleanup;
for (i = 0; i < n; i++) {
newenv[i] = environ[i];
}
qsort(newenv, n, sizeof(newenv[0]), envsort);
for (i = 0; i < n; i++) {
/* Ignore the variables used to instruct the loader into
* behaving differently, as they could throw the tests off. */
if (!STRPREFIX(newenv[i], "LD_"))
fprintf(log, "ENV:%s\n", newenv[i]);
}
open_max = sysconf(_SC_OPEN_MAX);
if (open_max < 0)
goto cleanup;
@ -275,8 +292,6 @@ int main(int argc, char **argv) {
free(buffers[i]);
if (args)
free(args);
if (newenv)
free(newenv);
if (log)
fclose(log);
return ret;