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Use upper-case for hashing to be case insensitive
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@ -377,16 +377,35 @@ int32_t romfsUnmount(const char *name) {
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//-----------------------------------------------------------------------------
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static inline uint8_t normalizePathChar(uint8_t c) {
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if (c >= 'a' && c <= 'z') {
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return c + 'A' - 'a';
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} else {
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return c;
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}
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}
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static uint32_t calcHash(uint32_t parent, const uint8_t *name, uint32_t namelen, uint32_t total) {
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uint32_t hash = parent ^123456789;
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uint32_t i;
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for (i = 0; i < namelen; i++) {
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hash = (hash >> 5) | (hash << 27);
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hash ^= name[i];
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hash ^= normalizePathChar(name[i]);
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}
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return hash % total;
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}
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static bool comparePaths(const uint8_t *name1, const uint8_t *name2, uint32_t namelen) {
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for (uint32_t i = 0; i < namelen; i++) {
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uint8_t c1 = normalizePathChar(name1[i]);
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uint8_t c2 = normalizePathChar(name2[i]);
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if (c1 != c2) {
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return false;
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}
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}
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return true;
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}
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static int searchForDir(romfs_mount *mount, romfs_dir *parent, const uint8_t *name, uint32_t namelen, romfs_dir **out) {
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uint64_t parentOff = (uintptr_t) parent - (uintptr_t) mount->dirTable;
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uint32_t hash = calcHash(parentOff, name, namelen, mount->header.dirHashTableSize / 4);
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@ -402,7 +421,7 @@ static int searchForDir(romfs_mount *mount, romfs_dir *parent, const uint8_t *na
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if (curDir->nameLen != namelen) {
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continue;
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}
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if (memcmp(curDir->name, name, namelen) != 0) {
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if (!comparePaths(curDir->name, name, namelen)) {
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continue;
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}
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*out = curDir;
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@ -429,7 +448,7 @@ static int searchForFile(romfs_mount *mount, romfs_dir *parent, const uint8_t *n
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if (curFile->nameLen != namelen) {
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continue;
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}
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if (memcmp(curFile->name, name, namelen) != 0) {
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if (!comparePaths(curFile->name, name, namelen)) {
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continue;
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}
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*out = curFile;
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