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author | erorcun <erorcunerorcun@hotmail.com.tr> | 2021-08-14 17:09:07 +0200 |
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committer | erorcun <erorcunerorcun@hotmail.com.tr> | 2021-08-14 17:09:07 +0200 |
commit | 4a5f7464c14f214eadfeb177705902777f52d326 (patch) | |
tree | eef8b7dc86e83f8fdb0ba27a5abedd62892c51e3 /src/skel/crossplatform.cpp | |
parent | ginput script (diff) | |
parent | Fix artifact path (diff) | |
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Diffstat (limited to 'src/skel/crossplatform.cpp')
-rw-r--r-- | src/skel/crossplatform.cpp | 146 |
1 files changed, 145 insertions, 1 deletions
diff --git a/src/skel/crossplatform.cpp b/src/skel/crossplatform.cpp index f7016b21..58ab7920 100644 --- a/src/skel/crossplatform.cpp +++ b/src/skel/crossplatform.cpp @@ -198,6 +198,20 @@ char* casepath(char const* path, bool checkPathFirst) size_t rl = 0; DIR* d; + char* c; + + #if defined(__SWITCH__) || defined(PSP2) + if( (c = strstr(p, ":/")) != NULL) // scheme used by some environments, eg. switch, vita + { + size_t deviceNameOffset = c - p + 3; + char* deviceNamePath = (char*)alloca(deviceNameOffset + 1); + strlcpy(deviceNamePath, p, deviceNameOffset); + deviceNamePath[deviceNameOffset] = 0; + d = opendir(deviceNamePath); + p = c + 1; + } + else + #endif if (p[0] == '/' || p[0] == '\\') { d = opendir("/"); @@ -212,7 +226,7 @@ char* casepath(char const* path, bool checkPathFirst) bool cantProceed = false; // just convert slashes in what's left in string, don't correct case of letters(because we can't) bool mayBeTrailingSlash = false; - char* c; + while (c = strsep(&p, "/\\")) { // May be trailing slash(allow), slash at the start(avoid), or multiple slashes(avoid) @@ -293,3 +307,133 @@ char *_strdate(char *buf) { return strdate(buf); } #endif + +#ifdef __SWITCH__ +/* Taken from glibc */ +char *realpath(const char *name, char *resolved) +{ + char *rpath, *dest = NULL; + const char *start, *end, *rpath_limit; + long int path_max; + + /* As per Single Unix Specification V2 we must return an error if + either parameter is a null pointer. We extend this to allow + the RESOLVED parameter to be NULL in case the we are expected to + allocate the room for the return value. */ + if (!name) + return NULL; + + /* As per Single Unix Specification V2 we must return an error if + the name argument points to an empty string. */ + if (name[0] == '\0') + return NULL; + +#ifdef PATH_MAX + path_max = PATH_MAX; +#else + path_max = pathconf(name, _PC_PATH_MAX); + if (path_max <= 0) + path_max = 1024; +#endif + + if (!resolved) + { + rpath = (char*)malloc(path_max); + if (!rpath) + return NULL; + } + else + rpath = resolved; + rpath_limit = rpath + path_max; + + if (name[0] != '/') + { + if (!getcwd(rpath, path_max)) + { + rpath[0] = '\0'; + goto error; + } + dest = (char*)memchr(rpath, '\0', path_max); + } + else + { + rpath[0] = '/'; + dest = rpath + 1; + } + + for (start = end = name; *start; start = end) + { + /* Skip sequence of multiple path-separators. */ + while (*start == '/') + ++start; + + /* Find end of path component. */ + for (end = start; *end && *end != '/'; ++end) + /* Nothing. */; + + if (end - start == 0) + break; + else if (end - start == 1 && start[0] == '.') + /* nothing */; + else if (end - start == 2 && start[0] == '.' && start[1] == '.') + { + /* Back up to previous component, ignore if at root already. */ + if (dest > rpath + 1) + while ((--dest)[-1] != '/') + ; + } + else + { + size_t new_size; + + if (dest[-1] != '/') + *dest++ = '/'; + + if (dest + (end - start) >= rpath_limit) + { + ptrdiff_t dest_offset = dest - rpath; + char *new_rpath; + + if (resolved) + { + if (dest > rpath + 1) + dest--; + *dest = '\0'; + goto error; + } + new_size = rpath_limit - rpath; + if (end - start + 1 > path_max) + new_size += end - start + 1; + else + new_size += path_max; + new_rpath = (char *)realloc(rpath, new_size); + if (!new_rpath) + goto error; + rpath = new_rpath; + rpath_limit = rpath + new_size; + + dest = rpath + dest_offset; + } + + dest = (char*)memcpy(dest, start, end - start); + *dest = '\0'; + } + } + if (dest > rpath + 1 && dest[-1] == '/') + --dest; + *dest = '\0'; + + return rpath; + +error: + if (!resolved) + free(rpath); + return NULL; +} + +ssize_t readlink (const char * __path, char * __buf, size_t __buflen) +{ + errno = ENOSYS; + return -1; +} +#endif |