reactos/boot/freeldr/tools/deptool.c

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//
// deptool.c
// Copyright (C) 2002 by Brian Palmer <brianp@sginet.com>
//
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define ERROR_SUCCESS 0
#define ERROR_NOTENOUGHPARAMS 1
#define ERROR_DEPENDFILENOTFOUND 2
#define ERROR_OUTOFMEMORY 3
#define ERROR_READERROR 4
#define ERROR_WRITEERROR 5
int main(int argc, char *argv[])
{
FILE* DependFile;
int DependFileSize;
char* DependFileData;
char* NewDependFileData;
int CurIdx;
int CurIdx2;
int RuleDependencySplit = 0;
// Make sure they passed enough command line parameters
if (argc < 2)
{
printf("Usage: deptool srcfile.d\n");
return ERROR_NOTENOUGHPARAMS;
}
// Try to open the dependency file
DependFile = fopen(argv[1], "r+t");
if (DependFile == NULL)
{
printf("deptool: No such dependency file: %s\n", argv[1]);
return ERROR_DEPENDFILENOTFOUND;
}
// Get the file size
fseek(DependFile, 0, SEEK_END);
DependFileSize = ftell(DependFile);
rewind(DependFile);
// Allocate memory
DependFileData = (char *)malloc(DependFileSize);
NewDependFileData = (char *)malloc(DependFileSize * 3);
if (!DependFileData || !NewDependFileData)
{
printf("deptool: Out of memory!\n");
if (DependFileData != NULL)
free(DependFileData);
if (NewDependFileData != NULL)
free(NewDependFileData);
fclose(DependFile);
return ERROR_OUTOFMEMORY;
}
memset(DependFileData, 0, DependFileSize);
memset(NewDependFileData, 0, DependFileSize * 3);
// Read in file data
fread(DependFileData, 1, DependFileSize, DependFile);
if (ferror(DependFile))
{
printf("deptool: Dependency file read error.\n");
free(DependFileData);
free(NewDependFileData);
fclose(DependFile);
return ERROR_READERROR;
}
// Loop through the dependency file data and
// insert the rule for the dependency file itself
for (CurIdx=0,CurIdx2=0; DependFileData[CurIdx]; CurIdx++,CurIdx2++)
{
// Find the first colon ':' in the file and insert
// the rule right before it
if (DependFileData[CurIdx] == ':')
{
NewDependFileData[CurIdx2] = ' ';
CurIdx2++;
strcat(&NewDependFileData[CurIdx2], argv[1]);
CurIdx2 += strlen(argv[1]);
NewDependFileData[CurIdx2] = ' ';
CurIdx2++;
strcat(NewDependFileData, &DependFileData[CurIdx]);
CurIdx2 += 2;
RuleDependencySplit = CurIdx + 2;
break;
}
else
{
NewDependFileData[CurIdx2] = DependFileData[CurIdx];
}
}
// Now loop through all the rule dependencies and
// turn them into rules themselves
strcat(NewDependFileData, "\n\n");
CurIdx = RuleDependencySplit;
CurIdx2 = strlen(NewDependFileData);
for (; DependFileData[CurIdx]; CurIdx++,CurIdx2++)
{
// If it's a line continuation char '\' then skip over it
if (DependFileData[CurIdx] == '\\')
{
CurIdx2--;
continue;
}
// If it's a new line char '\n' then insert a colon ':' to make it a rule
if (DependFileData[CurIdx] == '\n')
{
NewDependFileData[CurIdx2] = ':';
CurIdx2++;
}
NewDependFileData[CurIdx2] = DependFileData[CurIdx];
}
// Write out file data
rewind(DependFile);
fwrite(NewDependFileData, 1, strlen(NewDependFileData), DependFile);
if (ferror(DependFile))
{
printf("deptool: Dependency file write error.\n");
fclose(DependFile);
free(DependFileData);
free(NewDependFileData);
return ERROR_WRITEERROR;
}
fclose(DependFile);
free(DependFileData);
free(NewDependFileData);
return ERROR_SUCCESS;
}