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--- busybox-1.11.0/miscutils/man.c Wed Jun 25 14:51:35 2008
+++ busybox-1.11.0-man/miscutils/man.c Fri Jul 4 23:55:56 2008
@@ -73,7 +73,7 @@
char *sec_list;
char *cur_path, *cur_sect;
char *line, *value;
- int count_mp, alloc_mp, cur_mp;
+ int count_mp, cur_mp;
int opt;
opt_complementary = "-1"; /* at least one argument */
@@ -81,8 +81,8 @@
argv += optind;
sec_list = xstrdup("1:2:3:4:5:6:7:8:9");
- alloc_mp = 10;
- man_path_list = xmalloc(10 * sizeof(man_path_list[0]));
+ /* Last valid man_path_list[] is [0x10] */
+ man_path_list = xzalloc(0x11 * sizeof(man_path_list[0]));
count_mp = 0;
man_path_list[0] = xstrdup(getenv("MANPATH"));
if (man_path_list[0])
@@ -107,11 +107,13 @@
if (strcmp("MANPATH", line) == 0) {
man_path_list[count_mp] = xstrdup(value);
count_mp++;
- if (alloc_mp == count_mp) {
- alloc_mp += 10;
- man_path_list = xrealloc(man_path_list, alloc_mp * sizeof(man_path_list[0]));
+ /* man_path_list is NULL terminated */
+ man_path_list[count_mp] = NULL;
+ if (!(count_mp & 0xf)) { /* 0x10, 0x20 etc */
+ /* so that last valid man_path_list[] is [count_mp + 0x10] */
+ man_path_list = xrealloc(man_path_list,
+ (count_mp + 0x11) * sizeof(man_path_list[0]));
}
- /* thus man_path_list is always NULL terminated */
}
if (strcmp("MANSECT", line) == 0) {
free(sec_list);
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