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#define _POSIX_C_SOURCE 200809l
#include "common/fmplayer_file.h"
#include <stdio.h>
#include <stdlib.h>
#include <dirent.h>
#include <string.h>
#include <strings.h>
#include <iconv.h>
#include <locale.h>
#include <langinfo.h>
static void *fileread(const char *path, size_t maxsize, size_t *filesize, enum fmplayer_file_error *error) {
FILE *f = 0;
void *buf = 0;
f = fopen(path, "rb");
if (!f) {
if (error) *error = FMPLAYER_FILE_ERR_NOTFOUND;
goto err;
}
if (fseek(f, 0, SEEK_END)) {
*error = FMPLAYER_FILE_ERR_FILEIO;
goto err;
}
size_t fsize;
{
long ssize = ftell(f);
if (ssize < 0) {
*error = FMPLAYER_FILE_ERR_FILEIO;
goto err;
}
if (maxsize && ((size_t)ssize > maxsize)) {
*error = FMPLAYER_FILE_ERR_BADFILE_SIZE;
goto err;
}
fsize = ssize;
}
if (fseek(f, 0, SEEK_SET)) {
*error = FMPLAYER_FILE_ERR_FILEIO;
goto err;
}
buf = malloc(fsize);
if (!buf) {
if (error) *error = FMPLAYER_FILE_ERR_NOMEM;
goto err;
}
if (fread(buf, 1, fsize, f) != fsize) {
*error = FMPLAYER_FILE_ERR_FILEIO;
goto err;
}
fclose(f);
*filesize = fsize;
return buf;
err:
free(buf);
if (f) fclose(f);
return 0;
}
void *fmplayer_fileread(const void *pathptr, const char *pcmname, const char *extension,
size_t maxsize, size_t *filesize, enum fmplayer_file_error *error) {
const char *path = pathptr;
if (!pcmname) return fileread(path, maxsize, filesize, error);
char *namebuf = 0;
char *dirbuf = 0;
DIR *d = 0;
if (extension) {
size_t namebuflen = strlen(pcmname) + strlen(extension) + 1;
namebuf = malloc(namebuflen);
if (!namebuf) {
if (error) *error = FMPLAYER_FILE_ERR_NOMEM;
goto err;
}
strcpy(namebuf, pcmname);
strcat(namebuf, extension);
pcmname = namebuf;
}
const char *slash = strrchr(path, '/');
const char *dirpath = 0;
if (slash) {
dirbuf = strdup(path);
if (!dirbuf) {
if (error) *error = FMPLAYER_FILE_ERR_NOMEM;
goto err;
}
*strrchr(dirbuf, '/') = 0;
dirpath = dirbuf;
} else {
dirpath = ".";
}
d = opendir(dirpath);
if (!d) {
*error = FMPLAYER_FILE_ERR_FILEIO;
goto err;
}
const struct dirent *de;
while ((de = readdir(d))) {
if (!strcasecmp(de->d_name, pcmname)) {
size_t pathlen = strlen(dirpath) + 1 + strlen(de->d_name) + 1;
char *pcmpath = malloc(pathlen);
if (!pcmpath) {
if (error) *error = FMPLAYER_FILE_ERR_NOMEM;
goto err;
}
strcpy(pcmpath, dirpath);
strcat(pcmpath, "/");
strcat(pcmpath, de->d_name);
void *buf = fileread(pcmpath, maxsize, filesize, error);
free(pcmpath);
closedir(d);
free(dirbuf);
free(namebuf);
return buf;
}
}
if (error) *error = FMPLAYER_FILE_ERR_NOTFOUND;
err:
if (d) closedir(d);
free(dirbuf);
free(namebuf);
return 0;
}
void *fmplayer_path_dup(const void *path) {
return strdup(path);
}
char *fmplayer_path_filename_sjis(const void *pathptr) {
char *path = (char *)pathptr;
locale_t loc = 0;
iconv_t ic = (iconv_t)-1;
char *pathbuf = 0;
char *fname = strrchr(path, '/');
if (fname) {
if (*fname) fname++;
} else {
fname = path;
}
// use locale from environment values (to guess filesystem path encoding)
loc = newlocale(LC_CTYPE_MASK, "", 0);
if (!loc) {
//perror("newlocale");
goto err;
}
const int pathbuflen = 160;
pathbuf = malloc(pathbuflen);
if (!pathbuf) goto err;
ic = iconv_open("SHIFT_JIS", nl_langinfo_l(CODESET, loc));
if (ic == (iconv_t)-1) {
//perror("iconv_open");
goto err;
}
char *src = fname, *dst = pathbuf;
size_t srcleft = strlen(fname);
size_t dstleft = pathbuflen;
if (iconv(ic, &src, &srcleft, &dst, &dstleft) == (size_t)-1) {
//perror("iconv");
goto err;
}
iconv_close(ic);
*dst = 0;
freelocale(loc);
return pathbuf;
err:
free(pathbuf);
if (ic != (iconv_t)-1) iconv_close(ic);
if (loc) freelocale(loc);
return strdup(fname);
}
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