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/* Source file functions for gpasm
Copyright (C) 2016 Molnar Karoly
This file is part of gputils.
gputils is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
gputils is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with gputils; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "stdhdr.h"
#include "libgputils.h"
#include "gpasm.h"
/*------------------------------------------------------------------------------------------------*/
void
file_delete_node(void *Node)
{
file_context_t *n;
if (Node == NULL) {
return;
}
n = (file_context_t *)Node;
free(n->name);
free(n);
}
/*------------------------------------------------------------------------------------------------*/
/* file_add: Add a file of type 'type' to the file_context stack. */
file_context_t *
file_add(unsigned int Type, const char *Name)
{
static unsigned int file_id = 0;
file_context_t *new;
/* First check to make sure this file is not already in the list. */
new = state.file_list.last;
while (new != NULL) {
if (strcmp(new->name, Name) == 0) {
return new;
}
new = new->prev;
}
new = gp_list_node_new(sizeof(*new));
new->name = GP_Strdup(Name);
new->ft = Type;
new->id = file_id++;
if (state.file_list.first == NULL) {
gp_list_set_delete_node_func(&state.file_list, file_delete_node);
}
gp_list_node_append(&state.file_list, new);
return new;
}
/*------------------------------------------------------------------------------------------------*/
void
file_search_paths(source_context_t *Context, const char *Name)
{
char *full_name;
int i;
int len;
full_name = NULL;
for (i = 0; i < state.num_paths; i++) {
len = snprintf(NULL, 0, "%s" PATH_SEPARATOR_STR "%s", state.paths[i], Name);
assert(len > 0);
++len;
full_name = GP_Realloc(full_name, (size_t)len);
snprintf(full_name, (size_t)len, "%s" PATH_SEPARATOR_STR "%s", state.paths[i], Name);
Context->f = fopen(full_name, "rt");
if (Context->f != NULL) {
Context->name = GP_Strdup(full_name);
break;
}
}
if (full_name != NULL) {
free(full_name);
}
}
/*------------------------------------------------------------------------------------------------*/
/* file_free: free memory allocated to the file_context stack */
void
file_free(void)
{
gp_list_delete(&state.file_list);
}
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