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libc.obj:

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- added strtod();
 - added "+" to fopen mode; 

git-svn-id: svn://kolibrios.org@9230 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
turbocat
2021-11-01 14:46:28 +00:00
parent 5ab7151d7d
commit bd8a5b6e8e
9 changed files with 144 additions and 34 deletions
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65
programs/develop/ktcc/trunk/libc.obj/source/stdio/freopen.c
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@@ -1,53 +1,62 @@
#include "stddef.h"
#include "sys/ksys.h"
#include <stddef.h>
#include <sys/ksys.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/dirent.h>
#define CREATE_FILE() if(_ksys_file_create(_name)){ \
errno= EIO; \
free(out); \
out = NULL; \
}
static FILE* _set_errno(FILE *out, int err){
errno = err;
if(out){
free(out->name);
free(out);
}
out = NULL;
return out;
}
static void _create_file(char *name, FILE *out){
if(_ksys_file_create(name)){
_set_errno(out, EIO);
}
}
FILE *freopen(const char *restrict _name, const char *restrict _mode, FILE *restrict out) {
if(!_name || !_mode || !out){
errno = EINVAL;
return NULL;
return _set_errno(out, EINVAL);
}
if (strchr(_mode, 'r')) { out->mode = _FILEMODE_R; }
if (strchr(_mode, 'a')) { out->mode = _FILEMODE_A; }
if (strchr(_mode, 'w')) { out->mode = _FILEMODE_W; }
ksys_bdfe_t info;
int no_file = _ksys_file_get_info(_name, &info);
if(!no_file && info.attributes & IS_FOLDER){
return _set_errno(out, EISDIR);
}
out->eof=0;
out->error=0;
out->position=0;
out->name = strdup(_name);
switch (out->mode) {
case _FILEMODE_A :
if (strchr(_mode, 'r')) { out->mode = _FILEMODE_R; }
if (strchr(_mode, 'w')) { out->mode = _FILEMODE_W; }
if (strchr(_mode, 'a')) { out->mode = _FILEMODE_A; }
if (strchr(_mode, '+')) { out->mode |= _FILEMODE_PLUS; }
if(out->mode & _FILEMODE_A){
if(no_file){
CREATE_FILE();
_create_file(out->name, out);
}
out->position = info.size;
break;
case _FILEMODE_W :
CREATE_FILE();
break;
case _FILEMODE_R :
}else if(out->mode & _FILEMODE_W){
_create_file(out->name, out);
}else if((out->mode & _FILEMODE_R)){
if(no_file){
free(out);
out = NULL;
_set_errno(out, ENOENT);
}
break;
default:
free(out);
out = NULL;
break;
}else{
_set_errno(out, EINVAL);
}
return out;
}