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minilib.h
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#define __FILENAME__ "minilib.h"
#include<string.h>
#include<stdlib.h>
#include<stddef.h>
#ifdef _MSC_VER
#if _MSC_VER>1500
#include<stdint.h>
#endif
#else
#include<stdint.h>
#endif
#include<stdarg.h>
#include<stdio.h>
#include<errno.h>
#include<ctype.h>
#include<time.h>
#include<math.h>
#include<sys/types.h>
#include<sys/stat.h>
#include<fcntl.h>
#include<errno.h>
#ifdef OS_WIN
#include<io.h>
#include<limits.h>
#include<direct.h>
#define snprintf _snprintf
#endif
#include<ctype.h>
#include<stdio.h>
#include<stdlib.h>
#ifndef OS_WIN
#include<unistd.h>
#endif
#include<string.h>
#include<setjmp.h>
#include<errno.h>
#include<sys/timeb.h>
#ifndef ARG_MAX
#define ARG_MAX 8191
#endif
#define MemFree free
#define MemRealloc realloc
#define MemMalloc malloc
#define MemMove memmove
#if defined(__BORLANDC__)
#define TxtStrDup strdup
#elif defined(OS_WIN)
#define TxtStrDup _strdup
#else
#define TxtStrDup strdup
#endif
#ifdef __BORLANDC__
#define _setmode setmode
#endif /* __BORLANDC__ */
#define loginfo(...); {printf(__VA_ARGS__);printf("\n");}
#define logdebug(...); {printf(__VA_ARGS__);printf("\n");}
#define logwarn(...); {printf(__VA_ARGS__);printf("\n");}
#define logerr(...); {printf(__VA_ARGS__);printf("\n");}
#define INTERNAL_ERROR 1
#define ABORT_ERROR 7
#define MAX_LINE_BUFFER 16384
#ifndef PATH_MAX
#define PATH_MAX 4096
#endif
static int _static_library_nbfile_opened=0;
static int _static_library_nbfile_opened_max=0;
void _internal_ObjectArrayAddDynamicValue(void **zearray, void *zeobject, int object_size,int curline, char *curfunc, char *cursource);
void _internal_ObjectArrayAddDynamicValueConcat(void **zearray, int *nbfields, int *maxfields, void *zeobject, int object_size, int curline, char *curfunc, char *cursource);
#define ObjectArrayAddDynamicValue(zearray,zeobject,objsize) _internal_ObjectArrayAddDynamicValue(zearray,zeobject,objsize,__LINE__,FUNC,__FILENAME__)
#define ObjectArrayAddDynamicValueConcat(zearray,nbv,maxv,zeobject,objsize) _internal_ObjectArrayAddDynamicValueConcat(zearray,nbv,maxv,zeobject,objsize,__LINE__,FUNC,__FILENAME__)
void _internal_IntArrayAddDynamicValueConcat(int **zearray, int *nbval, int *maxval, int zevalue, int curline, char *curfunc, char *cursource);
#define IntArrayAddDynamicValueConcat(zearray,nbv,maxv,zevalue) _internal_IntArrayAddDynamicValueConcat(zearray,nbv,maxv,zevalue,__LINE__,FUNC,__FILENAME__)
void _internal_FieldArrayAddDynamicValue(char ***zearray, char *zevalue, int curline, char *curfunc, char *cursource);
#define FieldArrayAddDynamicValue(zearray,zevalue) _internal_FieldArrayAddDynamicValue(zearray,zevalue,__LINE__,FUNC,__FILENAME__)
void _internal_FieldArrayAddDynamicValueConcat(char ***zearray, int *nbfields, int *maxfields, char *zevalue, int curline, char *curfunc, char *cursource);
#define FieldArrayAddDynamicValueConcat(zearray,nb,maxf,zevalue) _internal_FieldArrayAddDynamicValueConcat(zearray,nb,maxf,zevalue,__LINE__,FUNC,__FILENAME__)
long long FileGetSize(char *filename);
int MinMaxInt(int zeval, int zemin, int zemax)
{
#undef FUNC
#define FUNC "MinMaxInt"
if (zeval<zemin) return zemin;
if (zeval>zemax) return zemax;
return zeval;
}
/* (c) FSF */
#if defined(__WATCOMC__) || defined(__BORLANDC__)
size_t strnlen (s, maxlen)
register const char *s;
size_t maxlen;
{
register const char *e;
size_t n;
for (e = s, n = 0; *e && n < maxlen; e++, n++)
;
return n;
}
#define _strnlen strnlen
#endif
// Linus Torvalds (c) 1991
int _internal_strnicmp(const char *s1, const char *s2, size_t len)
{
/* Yes, Virginia, it had better be unsigned */
unsigned char c1, c2;
if (!len)
return 0;
do {
c1 = *s1++;
c2 = *s2++;
if (!c1 || !c2)
break;
if (c1 == c2)
continue;
c1 = tolower(c1);
c2 = tolower(c2);
if (c1 != c2)
break;
} while (--len);
return (int)c1 - (int)c2;
}
/*
** Call syntax: char *stristr(char *String, char *Pattern)
**
** Description: This function is an ANSI version of strstr() with
** case insensitivity.
** Return item: char *pointer if Pattern is found in String, else
** pointer to 0
** Rev History: 07/04/95 Bob Stout ANSI-fy
** 02/03/94 Fred Cole Original
** Hereby donated to public domain.
** Modified for use with libcyrus by Ken Murchison 06/01/00.
**
** from Debian package cyrus-imapd
modified for Rasm as pattern is always upper case...
*/
char *_internal_stristr(const char *ZeString, const unsigned int ZeLen, const char *Pattern)
{
char *pptr, *sptr, *start;
unsigned int slen,plen;
start = (char *)ZeString;
pptr = (char *)Pattern;
plen = strlen(Pattern);
slen = ZeLen;
for ( /* while string length not shorter than pattern length */;
slen >= plen;
start++, slen--) {
/* find start of pattern in string */
while (toupper(*start) != *Pattern) {
start++;
slen--;
/* if pattern longer than string */
if (slen < plen)
return NULL;
}
// because pattern is always 2 or more...
sptr = start+1;
pptr = (char *)Pattern+1;
while (toupper(*sptr) == *pptr) {
sptr++;
pptr++;
if ('\0' == *pptr) {
return start;
}
}
}
return NULL;
}
char *TxtStrDupLen(char *str, int *len)
{
#undef FUNC
#define FUNC "TxtStrDupLen"
char *newstr;
*len=strlen(str)+1;
newstr=MemMalloc(*len);
strcpy(newstr,str);
return newstr;
}
void _internal_ObjectArrayAddDynamicValueConcat(void **zearray, int *nbfields, int *maxfields, void *zeobject, int object_size, int curline, char *curfunc, char *cursource)
{
#undef FUNC
#define FUNC "ObjectArrayAddDynamicValueConcat"
char *dst;
if ((*zearray)==NULL) {
*nbfields=1;
*maxfields=3;
(*zearray)=malloc((*maxfields)*object_size);
} else {
*nbfields=(*nbfields)+1;
if (*nbfields>=*maxfields) {
*maxfields=(*maxfields)*2;
(*zearray)=realloc((*zearray),(*maxfields)*object_size);
}
}
/* using direct calls because it is more interresting to know which is the caller */
dst=((char *)(*zearray))+((*nbfields)-1)*object_size;
/* control of memory for overflow */
memcpy(dst,zeobject,object_size);
}
/***
Add a value to a list of integers
Reallocate memory on the fly
zearray: pointer to the array of integers
nbval: pointer to the current index
maxval: pointer to the current allocated memory
zevalue: integer value to concat to
output: the pointer to the array is modified because the
function reallocate memory to store the new string at
the end of the array.
*/
void _internal_IntArrayAddDynamicValueConcat(int **zearray, int *nbval, int *maxval, int zevalue, int curline, char *curfunc, char *cursource)
{
#undef FUNC
#define FUNC "IntArrayAddDynamicValue"
if ((*zearray)==NULL) {
*nbval=1;
*maxval=4;
(*zearray)=MemMalloc(sizeof(int)*(*maxval));
} else {
*nbval=*nbval+1;
if (*nbval>*maxval) {
*maxval=(*maxval)*2;
(*zearray)=realloc((*zearray),sizeof(int)*(*maxval));
}
}
(*zearray)[(*nbval)-1]=zevalue;
}
/***
CSVGetFieldArrayNumber
count array elements
*/
int CSVGetFieldArrayNumber(char **myfield)
{
#undef FUNC
#define FUNC "CSVGetFieldArrayNumber"
int n=0;
if (myfield==NULL)
return 0;
while (myfield[n]!=NULL) n++;
return n;
}
/***
* TxtSplit
*
* split the parameter string into an array of strings
*/
char **TxtSplitWithChar(char *in_str, char split_char)
{
#undef FUNC
#define FUNC "TxtSplitWithChar"
char **tab=NULL;
char *match_str;
int redo=1;
int idx,idmax;
match_str=in_str;
while (redo && *in_str) {
while (*match_str && *match_str!=split_char) match_str++;
redo=*match_str;
*match_str=0;
FieldArrayAddDynamicValueConcat(&tab,&idx,&idmax,in_str);
in_str=++match_str;
}
return tab;
}
/***
Add a value to a list of strings
Reallocate memory on the fly
input: pointer to an array of string
string value
output: the pointer to the array is modified because the
function reallocate memory to store the new string at
the end of the array.
*/
void _internal_FieldArrayAddDynamicValue(char ***zearray, char *zevalue, int curline, char *curfunc, char *cursource)
{
#undef FUNC
#define FUNC "FieldArrayAddDynamicValue"
int nbfield;
if ((*zearray)==NULL) nbfield=2; else nbfield=CSVGetFieldArrayNumber((*zearray))+2;
/* using direct calls because it is more interresting to know which is the caller */
(*zearray)=realloc((*zearray),nbfield*sizeof(char *));
(*zearray)[nbfield-2]=TxtStrDup(zevalue);
(*zearray)[nbfield-1]=NULL;
}
void _internal_FieldArrayAddDynamicValueConcat(char ***zearray, int *nbfields, int *maxfields, char *zevalue, int curline, char *curfunc, char *cursource)
{
#undef FUNC
#define FUNC "FieldArrayAddDynamicValueConcat"
if ((*zearray)==NULL) {
*nbfields=1;
*maxfields=10;
(*zearray)=realloc(NULL,(*maxfields)*sizeof(char *));
} else {
*nbfields=(*nbfields)+1;
if (*nbfields>=*maxfields) {
*maxfields=(*maxfields)*2;
(*zearray)=MemRealloc((*zearray),(*maxfields)*sizeof(char *));
}
}
/* using direct calls because it is more interresting to know which is the caller */
(*zearray)[(*nbfields)-1]=TxtStrDup(zevalue);
(*zearray)[(*nbfields)]=NULL;
}
/***
CSVFreeFields
free allocated memory for fields
*/
void CSVFreeFields(char **fields)
{
#undef FUNC
#define FUNC "CSVFreeFields"
int i=0;
if (fields!=NULL)
{
/*loginfo("%8X",fields);
if (fields[i]==NULL)
loginfo("NULL i=%d",i); */
while (fields[i]!=NULL)
{
MemFree(fields[i]);
i++;
}
MemFree(fields);
}
}
void FreeArrayDynamicValue(char ***zearray)
{
CSVFreeFields(*zearray);
*zearray=NULL;
}
void CSVFreeFields(char **fields);
#define FreeFields(fields) CSVFreeFields(fields)
/************************** File operation ******************************/
/***
s_fileid
structure used by FileReadLine and FileWriteLine to manage multiple files at a time
*/
struct s_fileid
{
FILE *file_id;
char *filename;
char opening_type[4];
int cpt;
struct s_fileid *next;
/* v2 */
int closed;
unsigned long curpos;
};
static struct s_fileid *fileidROOT=NULL;
/***
FileGetStructFromName
input: filename
output: file structure
NULL if not found
*/
struct s_fileid *FileGetStructFromName(char *filename)
{
#undef FUNC
#define FUNC "FileGetStructFromName"
struct s_fileid *curfile;
struct s_fileid *prevfile;
if (!filename)
{
logerr("filename must not be NULL");
exit(ABORT_ERROR);
}
if (strnlen(filename,PATH_MAX)==PATH_MAX)
{
logerr("cannot open this file because the argument size is bigger than PATH_MAX (%d)",PATH_MAX);
exit(ABORT_ERROR);
}
/* try to find the file in the list */
curfile=fileidROOT;
prevfile=NULL;
while (curfile!=NULL)
{
if (!strcmp(curfile->filename,filename)) {
break;
} else {
prevfile=curfile;
curfile=curfile->next;
}
}
/* put the struct to the top of the list */
if (curfile && prevfile) {
prevfile->next=curfile->next;
curfile->next=fileidROOT;
fileidROOT=curfile;
}
return curfile;
}
/***
FileOpen function
open a file in any mode (r,w,a,r+,w+,a+)
check if the file is already open
check for conflicts
*/
FILE *FileOpen(char *filename, char *opening_type)
{
#undef FUNC
#define FUNC "FileOpen"
struct s_fileid *curfile;
struct s_fileid *oldfile;
/* check parameters coherency */
if (strlen(opening_type)>3)
{
logerr("illegal opening type (too long)");
exit(ABORT_ERROR);
}
if (strcmp(opening_type,"a") && strcmp(opening_type,"w") && strcmp(opening_type,"r")
&& strcmp(opening_type,"a+") && strcmp(opening_type,"w+") && strcmp(opening_type,"r+") && strcmp(opening_type,"rb"))
{
logerr("illegal opening type [%s]\nallowed options are: r,w,a,r+,w+,a+",opening_type);
exit(ABORT_ERROR);
}
curfile=FileGetStructFromName(filename);
/* if curfile is NULL then the file is not opened yet */
if (!curfile)
{
/* insert a new record */
_static_library_nbfile_opened++;
if (_static_library_nbfile_opened>_static_library_nbfile_opened_max)
_static_library_nbfile_opened_max=_static_library_nbfile_opened;
curfile=MemMalloc(sizeof(struct s_fileid));
memset(curfile,0,sizeof(struct s_fileid));
curfile->filename=MemMalloc(strlen(filename)+1);
strcpy(curfile->filename,filename);
strcpy(curfile->opening_type,opening_type);
curfile->next=fileidROOT;
curfile->cpt=0;
fileidROOT=curfile;
}
else
{
if (strcmp(curfile->opening_type,opening_type))
{
logerr("You can't open the file [%s] in [%s] mode cause it's already open in [%s] mode",filename,opening_type,curfile->opening_type);
exit(ABORT_ERROR);
}
if (!curfile->closed) {
/* already opened, just return the id */
return curfile->file_id;
}
}
curfile->file_id=fopen(filename,opening_type);
if (!curfile->file_id)
{
if (errno==EMFILE) {
/* too many files opened, close the latest of the list */
oldfile=fileidROOT;
while (oldfile->next && !oldfile->next->closed) oldfile=oldfile->next;
if (oldfile==curfile) {
logerr("cannot open a single file!");
exit(INTERNAL_ERROR);
}
/* save position and close the file */
oldfile->curpos=ftell(oldfile->file_id);
fclose(oldfile->file_id);
oldfile->file_id=0;
oldfile->closed=1;
/* then try again */
curfile->file_id=fopen(filename,opening_type);
if (curfile->file_id) {
if (curfile->curpos) {
fseek(curfile->file_id,curfile->curpos,SEEK_SET);
curfile->curpos=0;
}
logdebug("opening file [%s] in %s mode (too many opened files limit reached)",filename,opening_type);
return curfile->file_id;
}
}
logerr("failed to open file [%s] with mode [%s]",filename,opening_type);
logerr("check empty space and permissions");
exit(ABORT_ERROR);
}
/* go on previous position */
if (curfile->curpos) {
fseek(curfile->file_id,curfile->curpos,SEEK_SET);
curfile->curpos=0;
}
//logdebug("opening file [%s] in %s mode",filename,opening_type);
return curfile->file_id;
}
struct s_fileid *FileGetStructFromID(FILE *file_id);
void FileSeekBinary(char *filename,int pos, int st)
{
#undef FUNC
#define FUNC "FileSeekBinary"
FILE *last_id=NULL;
struct s_fileid *curfile=NULL;
int err;
last_id=FileOpen(filename,"r");
if ((err=fseek(last_id,pos,st))!=0) {
logerr("error seeking %s (%d)",filename,ferror(last_id));
exit(ABORT_ERROR);
}
curfile=FileGetStructFromID(last_id);
switch (st) {
case SEEK_SET: curfile->curpos=pos; break;
case SEEK_CUR: curfile->curpos+=pos; break;
case SEEK_END: logerr("TODO§§§"); break;
default:logerr("unknown SEEK mode!");exit(INTERNAL_ERROR);
}
}
/***
FileGetStructFromID
retrieve the file structure from the tree, with his ID
*/
struct s_fileid *FileGetStructFromID(FILE *file_id)
{
#undef FUNC
#define FUNC "FileGetStructFromID"
struct s_fileid *curfile;
struct s_fileid *prevfile;
curfile=fileidROOT;
prevfile=NULL;
while (curfile!=NULL)
{
if (curfile->file_id==file_id) {
break;
} else {
prevfile=curfile;
curfile=curfile->next;
}
}
if (!curfile)
{
logerr("ID requested for an unknown file! (was supposed to be opened)");
exit(INTERNAL_ERROR);
}
/* put the struct to the top of the list */
if (prevfile) {
prevfile->next=curfile->next;
curfile->next=fileidROOT;
fileidROOT=curfile;
}
return curfile;
}
/***
FileClose function
check for closing return code
free the memory file structure
*/
void FileClose(FILE *file_id)
{
#undef FUNC
#define FUNC "FileClose"
struct s_fileid *curfile;
struct s_fileid *unlinkcell;
curfile=FileGetStructFromID(file_id);
if (!curfile->closed) {
if (fclose(curfile->file_id))
{
logerr("error while closing file [%s]",curfile->filename);
}
} else {
/* already closed */
}
/* unlink the cell from ROOT */
if (curfile==fileidROOT)
{
fileidROOT=curfile->next;
}
else
{
unlinkcell=fileidROOT;
while (unlinkcell->next!=curfile)
unlinkcell=unlinkcell->next;
unlinkcell->next=curfile->next;
}
MemFree(curfile->filename);
MemFree(curfile);
_static_library_nbfile_opened--;
}
/***
FileAddCPT
add n to counter when reading or writing in a file
*/
void FileAddCPT(FILE *file_id, int n)
{
#undef FUNC
#define FUNC "FileAddCPT"
struct s_fileid *curfile;
curfile=FileGetStructFromID(file_id);
curfile->cpt+=n;
}
#define FileIncCPT(file_id) FileAddCPT(file_id,1)
/***
FileGetCPT
Get file counter information
input: file_id
*/
int FileGetCPT(FILE *file_id)
{
#undef FUNC
#define FUNC "FileGetCPT"
struct s_fileid *curfile;
curfile=FileGetStructFromID(file_id);
return curfile->cpt;
}
/***
FileGetCPTFromName
Get file counter information
input: filename
*/
int FileGetCPTFromName(char *filename)
{
#undef FUNC
#define FUNC "FileGetCPTFromName"
struct s_fileid *curfile;
curfile=FileGetStructFromName(filename);
if (!curfile)
{
logerr("You requested a counter for a file that is not opened! [%s]",filename);
exit(INTERNAL_ERROR);
}
return curfile->cpt;
}
char *_internal_fgetsClose(char *buffer, int maxlen, FILE *f)
{
#undef FUNC
#define FUNC "_internal_fgetsClose"
return NULL;
}
/***
FileReadLine/FileReadLineXML function
input:
- filename
output:
- a static buffer with the line read
this function can handle many file simultaneously
just use different filenames without regarding to opened/closed pointer
the opened handles are automatically closed when the end of the file is reached
you are only limited by the system, not by the code
the XML version ass carriage returns after closing tag
this can be usefull for parsing when reading XML file in a single line
*/
enum e_reading_mode {
RAW_READING,
CLOSE_READING
};
char *_internal_fgetsmulti(char *filename, int read_mode)
{
#undef FUNC
#define FUNC "_internal_fgetsmulti"
static char buffer[MAX_LINE_BUFFER+1]={0};
FILE *last_id=NULL;
char * (*_file_get_string)(char *, int, FILE *)=fgets;
last_id=FileOpen(filename,"r");
switch (read_mode)
{
default:logerr("Unknown read mode! (%d)",read_mode);
case RAW_READING:_file_get_string=fgets;break;
case CLOSE_READING:_file_get_string=_internal_fgetsClose;break;
}
if (_file_get_string(buffer,MAX_LINE_BUFFER,last_id)!=NULL)
{
FileIncCPT(last_id);
if (strnlen(buffer,MAX_LINE_BUFFER)==MAX_LINE_BUFFER)
{
logerr("line %d is too long! More than %d characters\n",FileGetCPT(last_id),MAX_LINE_BUFFER);
exit(INTERNAL_ERROR);
}
return buffer;
}
else
{
/* End of file, we close the handle */
logdebug("%d line(s) read from %s",FileGetCPT(last_id),filename);
FileClose(last_id);
return NULL;
}
}
char **_internal_fgetsmultilines(char *filename, int read_mode)
{
#undef FUNC
#define FUNC "_internal_fgetsmultilines"
static char buffer[MAX_LINE_BUFFER+1]={0};
FILE *last_id=NULL;
char * (*_file_get_string)(char *, int, FILE *);
char **lines_buffer=NULL;
int cur_line=0,max_line=0;
last_id=FileOpen(filename,"r");
switch (read_mode)
{
default:logerr("Unknown read mode! (%d)",read_mode);
case RAW_READING:_file_get_string=fgets;break;
case CLOSE_READING:_file_get_string=_internal_fgetsClose;break;
}
while (_file_get_string(buffer,MAX_LINE_BUFFER,last_id)!=NULL)
{
FileIncCPT(last_id);
if (strnlen(buffer,MAX_LINE_BUFFER)==MAX_LINE_BUFFER)
{
logerr("line %d is too long! More than %d characters\n",FileGetCPT(last_id),MAX_LINE_BUFFER);
exit(INTERNAL_ERROR);
}
FieldArrayAddDynamicValueConcat(&lines_buffer,&cur_line,&max_line,buffer);
}
/* if file is empty, we allocate an empty struct */
if (!lines_buffer) {
/* create the end of the list */
lines_buffer=MemMalloc(sizeof(char*));
lines_buffer[0]=NULL;
}
/* End of file, we close the handle */
logdebug("%d line(s) read from %s",FileGetCPT(last_id),filename);
FileClose(last_id);
return lines_buffer;
}
#define FileReadClose(filename) _internal_fgetsmulti(filename,CLOSE_READING)
#define FileReadLine(filename) _internal_fgetsmulti(filename,RAW_READING)
long FileReadPos(char *filename)
{
#undef FUNC
#define FUNC "FileReadPos"
FILE *last_id;
last_id=FileOpen(filename,"r");
return ftell(last_id);
}
/***
FileWriteLine function
input:
- filename
- a buffer with the line to write
the function do not close the file until a NULL buffer is sent.
It prevents from too much write flushes
you can use it with many files simultaneously but do not forget
to close your files if you use this function in a loop of filenames
or the system will warn you
*/
void FileWriteLine(char *filename, char *buffer)
{
#undef FUNC
#define FUNC "FileWriteLine"
FILE *last_id=NULL;
last_id=FileOpen(filename,"a+");
if (buffer!=NULL)
{
fputs(buffer,last_id);
FileIncCPT(last_id);
}
else
{
/* NULL buffer sent, this means End of file, we close the handle */
//logdebug("%d line(s) written to %s",FileGetCPT(last_id),filename);
FileClose(last_id);
}
}
void FileWriteLines(char *filename, char **buffer)
{
#undef FUNC
#define FUNC "FileWriteLines"
FILE *last_id=NULL;
int i;
last_id=FileOpen(filename,"a+");
for (i=0;buffer[i];i++) {
fputs(buffer[i],last_id);
FileIncCPT(last_id);
}
//logdebug("%d line(s) written to %s",FileGetCPT(last_id),filename);
FileClose(last_id);
}
/***
FileReadBinary function
read n bytes into buffer
return number of byte really read
as other File functions, you can use it with many files simultaneously
*/
int FileReadBinary(char *filename,char *data,int n)
{
#undef FUNC
#define FUNC "FileReadBinary"
FILE *last_id=NULL;
int nn;
last_id=FileOpen(filename,"rb");
if (data==NULL)
{
FileClose(last_id);
return 0;
}
nn=fread(data,1,n,last_id);
//printf("%d bytes lus\n",nn);
FileAddCPT(last_id,nn);
if (nn!=n)
{
/* if eof is set, this is not an error */
if (feof(last_id))
{
//logdebug("%d byte(s) read from %s",FileGetCPT(last_id),filename);
}
else
if (ferror(last_id))
{
if (!nn) {
logerr("cannot read %s",filename);
}
else {
logerr("error %d bytes were read during reading of %d bytes of %s",nn,n,filename);
}
exit(ABORT_ERROR);
}
else
{
logerr("error during read of %s (but no error neither eof flag set)",filename);
exit(INTERNAL_ERROR);
}
FileClose(last_id);
}
return nn;
}
/***
FileTruncate function
set file to zero size then leave
*/
int FileTruncate(char *filename)
{
#undef FUNC
#define FUNC "FileTruncate"
FILE *last_id=NULL;
#ifdef OS_WIN
int sr;
last_id=FileOpen(filename,"w");
sr=_setmode(_fileno(last_id), _O_BINARY );
if (sr==-1) {
logerr("FATAL: cannot set binary mode for writing");
exit(ABORT_ERROR);
}
#else
last_id=FileOpen(filename,"a+");
#endif
FileClose(last_id);
return 0;
}
/***
FileWriteBinary function
write n bytes from buffer to file
return number of byte really written
as other File functions, you can use it with many files simultaneously
*/
int FileWriteBinary(char *filename,char *data,int n)
{
#undef FUNC
#define FUNC "FileWriteBinary"
FILE *last_id=NULL;
int nn;
#ifdef OS_WIN
last_id=FileOpen(filename,"w");
#else
last_id=FileOpen(filename,"a+");
#endif
if (data!=NULL)
{
#ifdef OS_WIN
int sr;