fichier texte et comparaison

#include <stdio.h>
#include <stdlib.h>

FILE *SafeOpenFile(char *lpFileName, char *lpMode, FILE **lpFile)
{
  *lpFile = fopen(lpFileName, lpMode);

  if (! *lpFile)
    printf("Cannot open file: \"%s\"\n", lpFileName);

  return *lpFile;
}

long GetSizeOfFile(FILE* lpFile)
{
  long nCurrentPos;
  long nResult;

  nCurrentPos = ftell(lpFile);

  fseek(lpFile, 0, SEEK_END);
  nResult = ftell(lpFile);

  fseek(lpFile, nCurrentPos, SEEK_SET);

  return nResult;
}

char* LoadFile(FILE* lpFile)
{
  long nFileSize;
  char* lpResult;

  nFileSize = GetSizeOfFile(lpFile);

  lpResult = (char*)malloc(nFileSize + 1);
  if (! lpResult)
    goto the_end;

  if (fread(lpResult, 1, nFileSize, lpFile) != nFileSize)
  {
    free(lpResult);
    lpResult = NULL;
  }
  lpResult[nFileSize] = 0;

the_end:
  return lpResult;
}

char** LoadLines(FILE* lpFile, int* nLineCount, char** lpBuffer)
{
  char** lpResult;
  int nI, nJ;

  lpResult = NULL;
  
  *lpBuffer = LoadFile(lpFile);
  if (! *lpBuffer)
    goto the_end;

  /* On compte le nombre de ligne */
  nI = 0;
  *nLineCount = 1;
  while ((*lpBuffer)[nI])
  {
    if ((*lpBuffer)[nI] == '\n')
      (*nLineCount)++;
    nI++;
  }

  /* On alloue un tableau de pointeur sur les lignes */
  lpResult = (char**)malloc(*nLineCount * sizeof(char*));
  if (! lpResult)
  {
    free(*lpBuffer);
    goto the_end;
  }

  /* On fait pointer les cases du tableau sur les lignes */
  nI = 0;
  for (nJ = 0; nJ < *nLineCount; nJ++)
  {
    lpResult[nJ] = &(*lpBuffer)[nI];
    while (((*lpBuffer)[nI]) && ((*lpBuffer)[nI] != '\n'))
    {
      if ((*lpBuffer)[nI] == '\r')
        (*lpBuffer)[nI] = 0;
      nI++;
    }
    (*lpBuffer)[nI] = 0;
    nI++;
  }

the_end:
  return lpResult;
}

int main()
{
  FILE* lpInputFile;
  char** lpLines;
  char* lpBuffer;
  int nLineCount;
  int nResult;
  int nI;

  nResult = 1;

  if (! SafeOpenFile("input.txt", "rb", &lpInputFile))
    goto the_end;

  lpLines = LoadLines(lpInputFile, &nLineCount, &lpBuffer);
  if (! lpLines)
  {
    printf("Echec du chargement du fichier\n");
    goto close_input_file;
  }
 
  puts("===================");
  for (nI = 0; nI < nLineCount; nI++)
    puts(lpLines[nI]);
  puts("===================");

  nResult = 0;

  free(lpBuffer);
  free(lpLines);
close_input_file:
  fclose(lpInputFile);
the_end:
  return nResult;
}

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

FILE *SafeOpenFile(char *lpFileName, char *lpMode, FILE **lpFile)
{
  *lpFile = fopen(lpFileName, lpMode);

  if (! *lpFile)
    printf("Cannot open file: \"%s\"\n", lpFileName);

  return *lpFile;
}

long GetSizeOfFile(FILE* lpFile)
{
  long nCurrentPos;
  long nResult;

  nCurrentPos = ftell(lpFile);

  fseek(lpFile, 0, SEEK_END);
  nResult = ftell(lpFile);

  fseek(lpFile, nCurrentPos, SEEK_SET);

  return nResult;
}

char* LoadFile(FILE* lpFile)
{
  long nFileSize;
  char* lpResult;

  nFileSize = GetSizeOfFile(lpFile);

  lpResult = (char*)malloc(nFileSize + 1);
  if (! lpResult)
    goto the_end;

  if (fread(lpResult, 1, nFileSize, lpFile) != nFileSize)
  {
    free(lpResult);
    lpResult = NULL;
  }
  lpResult[nFileSize] = 0;

the_end:
  return lpResult;
}

int main()
{
  FILE* lpInputFile;
  char* lpLines;
  char lpWord[200];
  int nResult;
  int nJ;
  int nI;

  nResult = 1;

  if (! SafeOpenFile("input.txt", "rb", &lpInputFile))
    goto the_end;

  lpLines = LoadFile(lpInputFile);
  if (! lpLines)
  {
    printf("Echec du chargement du fichier\n");
    goto close_input_file;
  }

  puts("===================");
  nI = 0;
  nJ = 0;
  while (1)
  {
    if ((! lpLines[nI]) || (lpLines[nI] == '\n')) 
    {
      memcpy(lpWord, &lpLines[nJ], nI - nJ);
      lpWord[nI - nJ] = 0;
      nJ = nI + 1;
      puts(lpWord);
      if (! lpLines[nI])
        break;
    }
    if (lpLines[nI] == '\r')
      lpLines[nI] = 0;
    nI++;
  }
  puts("===================");

  nResult = 0;

  free(lpLines);
close_input_file:
  fclose(lpInputFile);
the_end:
  return nResult;
}

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

FILE *SafeOpenFile(char *lpFileName, char *lpMode, FILE **lpFile)
{
  *lpFile = fopen(lpFileName, lpMode);

  if (! *lpFile)
    printf("Cannot open file: \"%s\"\n", lpFileName);

  return *lpFile;
}

int main()
{
  FILE* lpInputFile;
  char lpWord[200];
  int nResult;
  int nI;

  nResult = 1;

  if (! SafeOpenFile("input.txt", "rb", &lpInputFile))
    goto the_end;

  puts("===================");
  while (fgets(lpWord, 200, lpInputFile))
  {
    nI = 0;
    while(lpWord[nI])
    {
      if ((lpWord[nI] == '\n') || (lpWord[nI] == '\r'))
        lpWord[nI] = 0;
      nI++;
    }
    puts(lpWord);
  }
  puts("===================");

  nResult = 0;

  fclose(lpInputFile);
the_end:
  return nResult;
}