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/*
* Copyright (C) 2002-2005 Roman Zippel <zippel@linux-m68k.org>
* Copyright (C) 2002-2005 Sam Ravnborg <sam@ravnborg.org>
*
* Released under the terms of the GNU GPL v2.0.
*/
#include <string.h>
#include "lkc.h"
/* file already present in list? If not add it */
struct file *file_lookup(const char *name)
{
struct file *file;
for (file = file_list; file; file = file->next) {
if (!strcmp(name, file->name))
return file;
}
file = malloc(sizeof(*file));
memset(file, 0, sizeof(*file));
file->name = strdup(name);
file->next = file_list;
file_list = file;
return file;
}
static char* br2_symbol_printer(const char * const in)
{
ssize_t i, j, len = strlen(in);
char *ret;
if (len < 1)
return NULL;
ret = malloc(len);
if (!ret) {
printf("Out of memory!");
exit(1);
}
memset(ret, 0, len);
i = j = 0;
if (strncmp("BR2_", in, 4) == 0)
i += 4;
if (strncmp("PACKAGE_", in + i, 8) == 0)
i += 8;
else if (strncmp("TARGET_", in + i, 7) == 0)
i += 7;
while (i <= len)
ret[j++] = tolower(in[i++]);
return ret;
}
/* write dependencies of the infividual config-symbols */
static int write_make_deps(const char *name)
{
struct menu *menu;
struct symbol *sym;
struct property *prop, *p;
unsigned done;
const char * const name_tmp = "..make.deps.tmp";
FILE *out;
if (!name)
name = ".auto.deps";
out = fopen(name_tmp, "w");
if (!out)
return 1;
fprintf(out, "# ATTENTION! This does not handle 'depends', just 'select'! \n"
"# See package/config/util.c write_make_deps()\n#\n");
menu = &rootmenu;//rootmenu.list;
while (menu) {
sym = menu->sym;
if (!sym) {
if (!menu_is_visible(menu))
goto next;
} else if (!(sym->flags & SYMBOL_CHOICE)) {
sym_calc_value(sym);
if (sym->type == S_BOOLEAN
&& sym_get_tristate_value(sym) != no) {
done = 0;
for_all_prompts(sym, prop) {
struct expr *e;
//printf("\nname=%s\n", sym->name);
for_all_properties(sym, p, P_SELECT) {
e = p->expr;
if (e && e->left.sym->name) {
if (!done) {
fprintf(out, "%s: $(BASE_TARGETS)", br2_symbol_printer(sym->name));
done = 1;
}
//printf("SELECTS %s\n",e->left.sym->name);
fprintf(out, " %s",br2_symbol_printer(e->left.sym->name));
}
}
if (done)
fprintf(out, "\n");
#if 0
e = sym->rev_dep.expr;
if (e && e->type == E_SYMBOL
&& e->left.sym->name) {
fprintf(out, "%s: %s", br2_symbol_printer(e->left.sym->name),
br2_symbol_printer(sym->name));
printf("%s is Selected BY: %s", sym->name, e->left.sym->name);
}
#endif
}
}
}
next:
if (menu->list) {
menu = menu->list;
continue;
}
if (menu->next)
menu = menu->next;
else while ((menu = menu->parent)) {
if (menu->next) {
menu = menu->next;
break;
}
}
}
fclose(out);
rename(name_tmp, name);
printf(_("#\n"
"# make dependencies written to %s\n"
"# ATTENTION buildroot devels!\n"
"# See top of this file before playing with this auto-preprequisites!\n"
"#\n"), name);
return 0;
}
/* write a dependency file as used by kbuild to track dependencies */
int file_write_dep(const char *name)
{
struct file *file;
FILE *out;
if (!name)
name = ".kconfig.d";
out = fopen("..config.tmp", "w");
if (!out)
return 1;
fprintf(out, "deps_config := \\\n");
for (file = file_list; file; file = file->next) {
if (file->next)
fprintf(out, "\t%s \\\n", file->name);
else
fprintf(out, "\t%s\n", file->name);
}
fprintf(out, "\n$(BR2_DEPENDS_DIR)/config/auto.conf: \\\n"
"\t$(deps_config)\n\n"
"$(deps_config): ;\n");
fclose(out);
rename("..config.tmp", name);
return write_make_deps(NULL);
}
/* Allocate initial growable sting */
struct gstr str_new(void)
{
struct gstr gs;
gs.s = malloc(sizeof(char) * 64);
gs.len = 16;
strcpy(gs.s, "\0");
return gs;
}
/* Allocate and assign growable string */
struct gstr str_assign(const char *s)
{
struct gstr gs;
gs.s = strdup(s);
gs.len = strlen(s) + 1;
return gs;
}
/* Free storage for growable string */
void str_free(struct gstr *gs)
{
if (gs->s)
free(gs->s);
gs->s = NULL;
gs->len = 0;
}
/* Append to growable string */
void str_append(struct gstr *gs, const char *s)
{
size_t l = strlen(gs->s) + strlen(s) + 1;
if (l > gs->len) {
gs->s = realloc(gs->s, l);
gs->len = l;
}
strcat(gs->s, s);
}
/* Append printf formatted string to growable string */
void str_printf(struct gstr *gs, const char *fmt, ...)
{
va_list ap;
char s[10000]; /* big enough... */
va_start(ap, fmt);
vsnprintf(s, sizeof(s), fmt, ap);
str_append(gs, s);
va_end(ap);
}
/* Retrieve value of growable string */
const char *str_get(struct gstr *gs)
{
return gs->s;
}
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