/**
read a line from a file with possible \ continuation chars.
Blanks at the start or end of a line are stripped.
The string will be allocated if s2 is NULL
**/
_PUBLIC_ char *fgets_slash(char *s2,int maxlen,XFILE *f)
{
char *s=s2;
int len = 0;
int c;
bool start_of_line = true;
if (x_feof(f))
return(NULL);
if (maxlen <2) return(NULL);
if (!s2)
{
maxlen = MIN(maxlen,8);
s = (char *)malloc(maxlen);
}
if (!s) return(NULL);
*s = 0;
while (len < maxlen-1)
{
c = x_getc(f);
switch (c)
{
case '\r':
break;
case '\n':
while (len > 0 && s[len-1] == ' ')
{
s[--len] = 0;
}
if (len > 0 && s[len-1] == '\\')
{
s[--len] = 0;
start_of_line = true;
break;
}
return(s);
case EOF:
if (len <= 0 && !s2)
SAFE_FREE(s);
return(len>0?s:NULL);
case ' ':
if (start_of_line)
break;
/* fall through */
default:
start_of_line = false;
s[len++] = c;
s[len] = 0;
}
if (!s2 && len > maxlen-3)
{
char *t;
maxlen *= 2;
t = realloc_p(s, char, maxlen);
if (!t) {
DEBUG(0,("fgets_slash: failed to expand buffer!\n"));
SAFE_FREE(s);
return(NULL);
} else s = t;
}
}
char *fgets_slash(char *s2,int maxlen,XFILE *f)
{
char *s=s2;
int len = 0;
int c;
BOOL start_of_line = True;
if (x_feof(f)) {
return(NULL);
}
if (maxlen <2) {
return(NULL);
}
if (!s2) {
maxlen = MIN(maxlen,8);
s = (char *)SMB_MALLOC(maxlen);
}
if (!s) {
return(NULL);
}
*s = 0;
while (len < maxlen-1) {
c = x_getc(f);
switch (c) {
case '\r':
break;
case '\n':
while (len > 0 && s[len-1] == ' ') {
s[--len] = 0;
}
if (len > 0 && s[len-1] == '\\') {
s[--len] = 0;
start_of_line = True;
break;
}
return(s);
case EOF:
if (len <= 0 && !s2) {
SAFE_FREE(s);
}
return(len>0?s:NULL);
case ' ':
if (start_of_line) {
break;
}
default:
start_of_line = False;
s[len++] = c;
s[len] = 0;
}
if (!s2 && len > maxlen-3) {
maxlen *= 2;
s = (char *)SMB_REALLOC(s,maxlen);
if (!s) {
DEBUG(0,("fgets_slash: failed to expand buffer!\n"));
return(NULL);
}
}
}
return(s);
}
