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Fixed an error: The final linefeed got removed

git-svn-id: svn://svn.cc65.org/cc65/trunk@1857 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz 2002-12-29 20:19:37 +00:00
parent 46224edc85
commit b1f8ab7810

View File

@ -14,41 +14,43 @@
char* fgets (char* s, unsigned size, FILE* f)
{
int i, c;
int i = 0;
int c;
/* We do not handle the case "size == 0" here */
i = 0; --size;
while (i < size) {
if (size == 0) {
/* Invalid size */
_errno = EINVAL;
return 0;
}
/* Read input */
i = 0;
while (--size) {
/* Get next character */
c = fgetc (f);
if (c == EOF) {
s [i] = 0;
if ((c = fgetc (f)) == EOF) {
s[i] = '\0';
/* Error or EOF */
if (f->f_flags & _FERROR) {
/* ERROR */
return 0;
if ((f->f_flags & _FERROR) != 0 || i == 0) {
/* ERROR or EOF on first char */
return 0;
} else {
/* EOF */
if (i) {
return s;
} else {
return 0;
}
/* EOF with data already read */
break;
}
}
/* One char more */
s [i++] = c;
s[i++] = c;
/* Stop at end of line */
if (c == '\n') {
break;
}
/* Stop at end of line */
if (c == '\n') {
break;
}
}
/* Replace newline by NUL */
s [i-1] = '\0';
/* Terminate the string */
s[i] = '\0';
/* Done */
return s;
@ -56,4 +58,3 @@ char* fgets (char* s, unsigned size, FILE* f)