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[coverity] tree.c set_current_file_ex explicitly check strrchr output

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the math
        size_t endpos = filename - path;
        if (filename && endpos < MAX_PATH - 1)
should handle it just fine coverity doesn't think so

Change-Id: Ifa0494e56b40c8ab0081ebc771024a45cb24eb76
This commit is contained in:
William Wilgus 2024-06-02 10:37:25 -04:00 • committed by William Wilgus
parent cc67f420f2
commit 5c7fbe8f1b
1 changed files with 2 additions and 2 deletions
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4
apps/tree.c
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@ -621,7 +621,7 @@ static void set_current_file_ex(const char *path, const char *filename)
/* gets the directory's name and put it into tc.currdir */
filename = strrchr(path+1,'/');
size_t endpos = filename - path;
if (endpos < MAX_PATH - 1)
if (filename && endpos < MAX_PATH - 1)
{
strmemccpy(tc.currdir, path, endpos + 1);
filename++;
@ -1039,7 +1039,7 @@ int rockbox_browse(struct browse_context *browse)
{
tc.is_browsing = (browse != NULL);
int ret_val = 0;
int dirfilter = browse->dirfilter;
int dirfilter = tc.is_browsing ? browse->dirfilter : SHOW_ALL;
if (backup_count >= NUM_TC_BACKUP)
return GO_TO_PREVIOUS;