1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90
| /* add.c */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "fclean.h"
#define SCRIPTC_MAXLEN 64
void usage(void);
int main(int argc, char *argv[])
{
char const *p_textToAdd = NULL;
char scriptc[SCRIPTC_MAXLEN + 1] = "";
int ret = EXIT_SUCCESS;
int err = 0;
if (argc == 1)
{
usage();
err = 2;
}
else if (argc == 2)
{
/* -tc- tampon destine a la saisie du nom du fichier sur le flux
d'entree standard */
char buffer[SCRIPTC_MAXLEN + 2] = "";
p_textToAdd = argv[1];
/* -tc- on recupere le nom du fichier depuis le flux d'entree
standard */
if (fgets(buffer, sizeof buffer, stdin) != NULL)
{
err = fclean(buffer, stdin);
fprintf(stderr, "DEBUG: %s\n", buffer);
if (err == 0)
{
/* -tc- on recupere le 1er mot saisi sur le flux d'entree
standard */
sscanf(buffer, " %s", scriptc);
}
}
else
{
/* -tc- EOF ou erreur inconnue */
err = 2;
}
}
else /* -tc- argc > 2 */
{
p_textToAdd = argv[2];
strncat(scriptc, argv[1], sizeof scriptc - 1);
}
if (err == 0)
{
FILE *fp = fopen(scriptc, "a");
if (fp != NULL)
{
fprintf(fp, "%s\n", p_textToAdd);
fclose(fp), fp = NULL;
}
else
{
fprintf(stderr, "Impossible to open file \"%s\"!\n", scriptc);
ret = EXIT_FAILURE;
}
}
else if (err == 1)
{
fprintf(stderr, "File name is too long (max. %d characters)!\n",
SCRIPTC_MAXLEN);
ret = EXIT_FAILURE;
}
else
{
usage();
ret = EXIT_FAILURE;
}
return ret;
}
void usage(void)
{
fprintf(stderr, "add [FileName] \"TextToAdd\"\n");
} |
Partager