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/*
* Built-in config files
* Copyright
* (C) 2006 Joseph H. Allen
*
* This file is part of JOE (Joe's Own Editor)
*/
#include "config.h"
__RCSID("$MirOS: contrib/code/jupp/builtin.c,v 1.11 2020/03/27 06:08:11 tg Exp $");
#include <stdlib.h>
#include <string.h>
#include "types.h"
#include "builtin.h"
#include "utils.h"
#define zcmp(a,b) strcmp((const char *)(a), (const char *)(b))
JFILE *
jfopen(const unsigned char *name, const char *mode)
{
if (name[0] == '*') {
int x;
char *xname, *cp;
xname = strdup((const char *)name + 1);
cp = xname;
while ((x = *cp++)) {
if (x >= 'A' && x <= 'Z')
cp[-1] = x - 'A' + 'a';
}
for (x = 0; builtins[x]; x += 2) {
if (!zcmp(builtins[x], xname)) {
JFILE *j = malloc(sizeof(JFILE));
j->f = 0;
j->p = builtins[x + 1];
free(xname);
return j;
}
}
free(xname);
return 0;
} else {
FILE *f = fopen((const char *)name, (const char *)mode);
if (f) {
JFILE *j = malloc(sizeof(JFILE));
j->f = f;
j->p = 0;
return j;
} else {
return 0;
}
}
}
int jfclose(JFILE *f)
{
int rtn = 0;
if (f->f)
rtn = fclose(f->f);
free(f);
return rtn;
}
/*XXX fails to honour len (= 1024, in practice) for builtins */
unsigned char *
jfgets(unsigned char *buf, int len, JFILE *f)
{
if (f->f)
return (unsigned char *)fgets((char *)buf, len, f->f);
else {
if (f->p[0]) {
int x;
for (x = 0; f->p[x] && f->p[x] != '\n'; ++x)
buf[x] = f->p[x];
if (f->p[x] == '\n') {
buf[x++] = '\n';
}
buf[x] = 0;
f->p += x;
return buf;
} else
return 0;
}
}
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