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ROM file check optimizations and cleanups

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This commit is contained in:
RichardG867
2025-09-19 17:51:01 -03:00
parent 36f51f119b
commit 13d5de4e7b
4 changed files with 39 additions and 52 deletions
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66
src/mem/rom.c
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@@ -92,8 +92,9 @@ rom_check(const char *fn)
{
FILE *fp = NULL;
int ret = 0;
char last = fn[strlen(fn) - 1];
if ((fn[strlen(fn) - 1] == '/') || (fn[strlen(fn) - 1] == '\\'))
if ((last == '/') || (last == '\\'))
ret = plat_dir_check((char *) fn);
else {
fp = fopen(fn, "rb");
@@ -112,7 +113,7 @@ rom_get_full_path(char *dest, const char *fn)
dest[0] = 0x00;
if (strstr(fn, "roms/") == fn) {
if (!strncmp(fn, "roms/", 5)) {
/* Relative path */
for (rom_path_t *rom_path = &rom_paths; rom_path != NULL; rom_path = rom_path->next) {
path_append_filename(temp, rom_path->path, fn + 5);
@@ -130,34 +131,6 @@ rom_get_full_path(char *dest, const char *fn)
}
}
bool
rom_fcheck(const char *fn)
{
char temp[1024];
bool exists = false;
if (fn == NULL)
return false;
if (strstr(fn, "roms/") == fn) {
/* Relative path */
for (rom_path_t *rom_path = &rom_paths; rom_path != NULL; rom_path = rom_path->next) {
path_append_filename(temp, rom_path->path, fn + 5);
exists = plat_file_check(temp);
if (exists) {
return exists;
}
}
return exists;
} else {
/* Absolute path */
return plat_file_check(fn);
}
}
FILE *
rom_fopen(const char *fn, char *mode)
{
@@ -167,14 +140,13 @@ rom_fopen(const char *fn, char *mode)
if ((fn == NULL) || (mode == NULL))
return NULL;
if (strstr(fn, "roms/") == fn) {
if (!strncmp(fn, "roms/", 5)) {
/* Relative path */
for (rom_path_t *rom_path = &rom_paths; rom_path != NULL; rom_path = rom_path->next) {
path_append_filename(temp, rom_path->path, fn + 5);
if ((fp = plat_fopen(temp, mode)) != NULL) {
if ((fp = plat_fopen(temp, mode)) != NULL)
return fp;
}
}
return fp;
@@ -185,16 +157,16 @@ rom_fopen(const char *fn, char *mode)
}
int
rom_getfile(char *fn, char *s, int size)
rom_getfile(const char *fn, char *s, int size)
{
char temp[1024];
if (strstr(fn, "roms/") == fn) {
if (!strncmp(fn, "roms/", 5)) {
/* Relative path */
for (rom_path_t *rom_path = &rom_paths; rom_path != NULL; rom_path = rom_path->next) {
path_append_filename(temp, rom_path->path, fn + 5);
if (rom_present(temp)) {
if (plat_file_check(temp)) {
strncpy(s, temp, size);
return 1;
}
@@ -203,7 +175,7 @@ rom_getfile(char *fn, char *s, int size)
return 0;
} else {
/* Absolute path */
if (rom_present(fn)) {
if (plat_file_check(fn)) {
strncpy(s, fn, size);
return 1;
}
@@ -215,7 +187,25 @@ rom_getfile(char *fn, char *s, int size)
int
rom_present(const char *fn)
{
return rom_fcheck(fn);
char temp[1024];
if (fn == NULL)
return 0;
if (!strncmp(fn, "roms/", 5)) {
/* Relative path */
for (rom_path_t *rom_path = &rom_paths; rom_path != NULL; rom_path = rom_path->next) {
path_append_filename(temp, rom_path->path, fn + 5);
if (plat_file_check(temp))
return 1;
}
return 0;
} else {
/* Absolute path */
return plat_file_check(fn);
}
}
uint8_t