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/*
See license.txt in the root of this project.
*/
# include <stdio.h>
# include <sys/stat.h>
# include "auxfile.h"
# include "auxmemory.h"
# ifdef _WIN32
# include <windows.h>
# include <ctype.h>
# include <io.h>
# include <shellapi.h>
LPWSTR aux_utf8_to_wide(const char *utf8str) {
if (utf8str) {
int length = MultiByteToWideChar(CP_UTF8, 0, utf8str, -1, NULL, 0); /* preroll */
LPWSTR wide = (LPWSTR) lmt_memory_malloc(sizeof(WCHAR) * length);
MultiByteToWideChar(CP_UTF8, 0, utf8str, -1, wide, length);
return wide;
} else {
return NULL;
}
}
char *aux_utf8_from_wide(LPWSTR widestr) {
if (widestr) {
int length = WideCharToMultiByte(CP_UTF8, 0, widestr, -1, NULL, 0, NULL, NULL);
char * utf8str = (char *) lmt_memory_malloc(sizeof(char) * length);
WideCharToMultiByte(CP_UTF8, 0, widestr, -1, utf8str, length, NULL, NULL);
return (char *) utf8str;
} else {
return NULL;
}
}
FILE *aux_utf8_fopen(const char *path, const char *mode) {
if (path && mode) {
LPWSTR wpath = aux_utf8_to_wide(path);
LPWSTR wmode = aux_utf8_to_wide(mode);
FILE *f = _wfopen(wpath,wmode);
lmt_memory_free(wpath);
lmt_memory_free(wmode);
return f;
} else {
return NULL;
}
}
FILE *aux_utf8_popen(const char *path, const char *mode) {
if (path && mode) {
LPWSTR wpath = aux_utf8_to_wide(path);
LPWSTR wmode = aux_utf8_to_wide(mode);
FILE *f = _wpopen(wpath,wmode);
lmt_memory_free(wpath);
lmt_memory_free(wmode);
return f;
} else {
return NULL;
}
}
int aux_utf8_system(const char *cmd)
{
LPWSTR wcmd = aux_utf8_to_wide(cmd);
int result = _wsystem(wcmd);
lmt_memory_free(wcmd);
return result;
}
int aux_utf8_remove(const char *name)
{
LPWSTR wname = aux_utf8_to_wide(name);
int result = _wremove(wname);
lmt_memory_free(wname);
return result;
}
int aux_utf8_rename(const char *oldname, const char *newname)
{
LPWSTR woldname = aux_utf8_to_wide(oldname);
LPWSTR wnewname = aux_utf8_to_wide(newname);
int result = _wrename(woldname, wnewname);
lmt_memory_free(woldname);
lmt_memory_free(wnewname);
return result;
}
int aux_utf8_setargv(char * **av, char **argv, int argc)
{
if (argv) {
int c = 0;
LPWSTR *l = CommandLineToArgvW(GetCommandLineW(), &c);
if (l != NULL) {
char **v = lmt_memory_malloc(sizeof(char *) * c);
for (int i = 0; i < c; i++) {
v[i] = aux_utf8_from_wide(l[i]);
}
*av = v;
/*tex Let's be nice with path names: |c:\\foo\\etc| */
if (c > 1) {
if ((strlen(v[c-1]) > 2) && isalpha(v[c-1][0]) && (v[c-1][1] == ':') && (v[c-1][2] == '\\')) {
for (char *p = v[c-1]+2; *p; p++) {
if (*p == '\\') {
*p = '/';
}
}
}
}
}
return c;
} else {
*av = NULL;
return argc;
}
}
char *aux_utf8_getownpath(const char *file)
{
if (file) {
char *path = NULL;
char buffer[MAX_PATH];
GetModuleFileName(NULL,buffer,sizeof(buffer));
path = lmt_memory_strdup(buffer);
if (strlen(path) > 0) {
for (size_t i = 0; i < strlen(path); i++) {
if (path[i] == '\\') {
path[i] = '/';
}
}
return path;
}
}
return lmt_memory_strdup(".");
}
# else
# include <string.h>
# include <stdlib.h>
# include <unistd.h>
int aux_utf8_setargv(char * **av, char **argv, int argc)
{
*av = argv;
return argc;
}
char *aux_utf8_getownpath(const char *file)
{
if (strchr(file, '/')) {
return lmt_memory_strdup(file);
} else {
const char *esp;
size_t prefixlen = 0;
size_t totallen = 0;
size_t filelen = strlen(file);
char *path = NULL;
char *searchpath = lmt_memory_strdup(getenv("PATH"));
const char *index = searchpath;
if (index) {
do {
esp = strchr(index, ':');
if (esp) {
prefixlen = (size_t) (esp - index);
} else {
prefixlen = strlen(index);
}
if (prefixlen == 0 || index[prefixlen - 1] == '/') {
totallen = prefixlen + filelen;
# ifdef PATH_MAX
if (totallen >= PATH_MAX) {
continue;
}
# endif
path = lmt_memory_malloc(totallen + 1);
memcpy(path, index, prefixlen);
memcpy(path + prefixlen, file, filelen);
} else {
totallen = prefixlen + filelen + 1;
# ifdef PATH_MAX
if (totallen >= PATH_MAX) {
continue;
}
# endif
path = lmt_memory_malloc(totallen + 1);
memcpy(path, index, prefixlen);
path[prefixlen] = '/';
memcpy(path + prefixlen + 1, file, filelen);
}
path[totallen] = '\0';
if (access(path, X_OK) >= 0) {
break;
}
lmt_memory_free(path);
path = NULL;
index = esp + 1;
} while (esp);
}
lmt_memory_free(searchpath);
if (path) {
return path;
} else {
return lmt_memory_strdup("."); /* ok? */
}
}
}
# endif
# ifndef S_ISREG
# define S_ISREG(mode) (mode & _S_IFREG)
# endif
# ifdef _WIN32
char *aux_basename(const char *name) {
char base[256+1];
char suff[256+1];
_splitpath(name,NULL,NULL,base,suff);
{
size_t b = strlen((const char*)base);
size_t s = strlen((const char*)suff);
char *result = (char *) lmt_memory_malloc(sizeof(char) * (b+s+1));
if (result) {
memcpy(&result[0], &base[0], b);
memcpy(&result[b], &suff[0], s);
result[b + s] = '\0';
}
return result;
}
}
char *aux_dirname(const char *name) {
char driv[256 + 1];
char path[256 + 1];
_splitpath(name,driv,path,NULL,NULL);
{
size_t d = strlen((const char*)driv);
size_t p = strlen((const char*)path);
char *result = (char *) lmt_memory_malloc(sizeof(char) * (d+p+1));
if (result) {
if (path[p - 1] == '/' || path[p - 1] == '\\') {
--p;
}
memcpy(&result[0], &driv[0], d);
memcpy(&result[d], &path[0], p);
result[d + p] = '\0';
}
return result;
}
}
// int aux_is_readable(const char *filename)
// {
// struct stat finfo;
// FILE *f;
// return (stat(filename, &finfo) == 0)
// && S_ISREG(finfo.st_mode)
// && ((f = aux_utf8_fopen(filename, "r")) != NULL)
// && ! fclose(f);
// }
int aux_is_readable(const char *filename)
{
struct _stati64 info;
LPWSTR w = aux_utf8_to_wide(filename);
int r = _wstati64(w, &info);
FILE *f;
lmt_memory_free(w);
return (r == 0)
&& (S_ISREG(info.st_mode))
&& ((f = aux_utf8_fopen(filename, "r")) != NULL)
&& ! fclose(f);
}
# else
# include <libgen.h>
int aux_is_readable(const char *filename)
{
struct stat finfo;
FILE *f;
return (stat(filename, &finfo) == 0)
&& S_ISREG(finfo.st_mode)
&& ((f = fopen(filename, "r")) != NULL)
&& ! fclose(f);
}
# endif
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