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Guard usage of __component because we don't have TLS yet

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Maschell 2022-02-13 12:36:21 +01:00
parent 4b7f2a1e1b
commit 1d023a1c17
1 changed files with 11 additions and 0 deletions
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11
source/romfs_dev.c
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@ -1,5 +1,6 @@
#include <coreinit/cache.h> #include <coreinit/cache.h>
#include <coreinit/filesystem.h> #include <coreinit/filesystem.h>
#include <coreinit/mutex.h>
#include <errno.h> #include <errno.h>
#include <fcntl.h> #include <fcntl.h>
#include <limits.h> #include <limits.h>
@ -29,6 +30,7 @@ typedef struct romfs_mount {
char name[32]; char name[32];
FSFileHandle cafe_fd; FSFileHandle cafe_fd;
FSClient cafe_client; FSClient cafe_client;
OSMutex cafe_mutex;
} romfs_mount; } romfs_mount;
extern int __system_argc; extern int __system_argc;
@ -256,6 +258,8 @@ int32_t romfsMount(const char *name, const char *filepath, RomfsSource source) {
return -1; return -1;
} }
} else if (mount->fd_type == RomfsSource_FileDescriptor_CafeOS) { } else if (mount->fd_type == RomfsSource_FileDescriptor_CafeOS) {
memset(&mount->cafe_mutex, 0, sizeof(OSMutex));
OSInitMutex(&mount->cafe_mutex);
memset(&mount->cafe_client, 0, sizeof(FSClient)); memset(&mount->cafe_client, 0, sizeof(FSClient));
if (FSAddClient(&mount->cafe_client, FS_ERROR_FLAG_ALL) != FS_STATUS_OK) { if (FSAddClient(&mount->cafe_client, FS_ERROR_FLAG_ALL) != FS_STATUS_OK) {
romfs_free(mount); romfs_free(mount);
@ -468,6 +472,7 @@ static int navigateToDir(romfs_mount *mount, romfs_dir **ppDir, const char **pPa
(*pPath)++; (*pPath)++;
} }
OSLockMutex(&mount->cafe_mutex);
while (**pPath) { while (**pPath) {
char *slashPos = strchr(*pPath, '/'); char *slashPos = strchr(*pPath, '/');
char *component = __component; char *component = __component;
@ -475,9 +480,11 @@ static int navigateToDir(romfs_mount *mount, romfs_dir **ppDir, const char **pPa
if (slashPos) { if (slashPos) {
uint32_t len = slashPos - *pPath; uint32_t len = slashPos - *pPath;
if (!len) { if (!len) {
OSUnlockMutex(&mount->cafe_mutex);
return EILSEQ; return EILSEQ;
} }
if (len > PATH_MAX) { if (len > PATH_MAX) {
OSUnlockMutex(&mount->cafe_mutex);
return ENAMETOOLONG; return ENAMETOOLONG;
} }
@ -488,6 +495,7 @@ static int navigateToDir(romfs_mount *mount, romfs_dir **ppDir, const char **pPa
component = (char *) *pPath; component = (char *) *pPath;
*pPath += strlen(component); *pPath += strlen(component);
} else { } else {
OSUnlockMutex(&mount->cafe_mutex);
return 0; return 0;
} }
@ -496,6 +504,7 @@ static int navigateToDir(romfs_mount *mount, romfs_dir **ppDir, const char **pPa
if (component[1] == '.' && !component[2]) { if (component[1] == '.' && !component[2]) {
*ppDir = romFS_dir(mount, (*ppDir)->parent); *ppDir = romFS_dir(mount, (*ppDir)->parent);
if (!*ppDir) { if (!*ppDir) {
OSUnlockMutex(&mount->cafe_mutex);
return EFAULT; return EFAULT;
} }
continue; continue;
@ -504,9 +513,11 @@ static int navigateToDir(romfs_mount *mount, romfs_dir **ppDir, const char **pPa
int ret = searchForDir(mount, *ppDir, (uint8_t *) component, strlen(component), ppDir); int ret = searchForDir(mount, *ppDir, (uint8_t *) component, strlen(component), ppDir);
if (ret != 0) { if (ret != 0) {
OSUnlockMutex(&mount->cafe_mutex);
return ret; return ret;
} }
} }
OSUnlockMutex(&mount->cafe_mutex);
return 0; return 0;
} }