lib/idmapping.c: get_map_ranges(): Simplify iterator variables

Merge two iterator variables into one, and reduce its scope.

Signed-off-by: Alejandro Colomar <alx@kernel.org>
This commit is contained in:
Alejandro Colomar
2024-07-11 22:42:58 -05:00
committed by Serge Hallyn
parent a184c2b555
commit c46c6a6e5a
+7 -7
View File
@@ -27,10 +27,10 @@
#include "sizeof.h"
struct map_range *get_map_ranges(int ranges, int argc, char **argv)
struct map_range *
get_map_ranges(int ranges, int argc, char **argv)
{
struct map_range *mappings, *m;
int idx, argidx;
struct map_range *mappings, *m;
if (ranges < 0 || argc < 0) {
fprintf(log_get_logfd(), "%s: error calculating number of arguments\n", log_get_progname());
@@ -51,8 +51,8 @@ struct map_range *get_map_ranges(int ranges, int argc, char **argv)
/* Gather up the ranges from the command line */
m = mappings;
for (idx = 0, argidx = 0; idx < ranges; idx++, argidx += 3, m++) {
if (a2ul(&m->upper, argv[argidx + 0], NULL, 0, 0, UINT_MAX) == -1) {
for (int i = 0; i < ranges * 3; i+=3, m++) {
if (a2ul(&m->upper, argv[i + 0], NULL, 0, 0, UINT_MAX) == -1) {
if (errno == ERANGE) {
fprintf(log_get_logfd(), _( "%s: subuid overflow detected.\n"), log_get_progname());
exit(EXIT_FAILURE);
@@ -60,7 +60,7 @@ struct map_range *get_map_ranges(int ranges, int argc, char **argv)
free(mappings);
return NULL;
}
if (a2ul(&m->lower, argv[argidx + 1], NULL, 0, 0, UINT_MAX) == -1) {
if (a2ul(&m->lower, argv[i + 1], NULL, 0, 0, UINT_MAX) == -1) {
if (errno == ERANGE) {
fprintf(log_get_logfd(), _( "%s: subuid overflow detected.\n"), log_get_progname());
exit(EXIT_FAILURE);
@@ -68,7 +68,7 @@ struct map_range *get_map_ranges(int ranges, int argc, char **argv)
free(mappings);
return NULL;
}
if (a2ul(&m->count, argv[argidx + 2], NULL, 0, 0,
if (a2ul(&m->count, argv[i + 2], NULL, 0, 0,
MIN(MIN(UINT_MAX, ULONG_MAX - 1) - m->lower,
MIN(UINT_MAX, ULONG_MAX - 1) - m->upper))
== -1)