crosstool-ng/kconfig/util.c
Yann E. MORIN" f31bcd0026 Update the kconfig stuff to match the one in the linux-2.6.27 version.
/trunk/kconfig/zconf.hash.c         |  225   110   115     0 +++----
 /trunk/kconfig/lkc_proto.h          |    4     3     1     0 +
 /trunk/kconfig/mconf.c              |  217   110   107     0 +++---
 /trunk/kconfig/menu.c               |   86    60    26     0 ++-
 /trunk/kconfig/symbol.c             |  212   156    56     0 ++++--
 /trunk/kconfig/kconfig.mk           |   24     9    15     0 -
 /trunk/kconfig/lex.zconf.c          |   97    80    17     0 ++-
 /trunk/kconfig/util.c               |   38    30     8     0 +
 /trunk/kconfig/lkc.h                |   22    18     4     0 +
 /trunk/kconfig/expr.c               |   32    19    13     0 +
 /trunk/kconfig/confdata.c           |  254   172    82     0 +++++---
 /trunk/kconfig/lxdialog/dialog.h    |   12     9     3     0 +
 /trunk/kconfig/lxdialog/inputbox.c  |    6     3     3     0
 /trunk/kconfig/lxdialog/checklist.c |    4     2     2     0
 /trunk/kconfig/lxdialog/menubox.c   |    6     3     3     0
 /trunk/kconfig/lxdialog/textbox.c   |    2     1     1     0
 /trunk/kconfig/lxdialog/util.c      |   47    30    17     0 +
 /trunk/kconfig/lxdialog/yesno.c     |    4     2     2     0
 /trunk/kconfig/expr.h               |   20    10    10     0
 /trunk/kconfig/zconf.tab.c          | 1441   793   648     0 ++++++++++++++++++++++++-------------------
 /trunk/kconfig/conf.c               |  276   124   152     0 ++++----
 /trunk/kconfig/check-gettext.sh     |   14    14     0     0 +
 /trunk/ct-ng.in                     |    2     1     1     0
 23 files changed, 1759 insertions(+), 1286 deletions(-)
2008-10-17 12:47:53 +00:00

134 lines
2.6 KiB
C

/*
* 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;
}
/* write a dependency file as used by kbuild to track dependencies */
int file_write_dep(const char *name)
{
struct symbol *sym, *env_sym;
struct expr *e;
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, "\ninclude/config/auto.conf: \\\n"
"\t$(deps_config)\n\n");
expr_list_for_each_sym(sym_env_list, e, sym) {
struct property *prop;
const char *value;
prop = sym_get_env_prop(sym);
env_sym = prop_get_symbol(prop);
if (!env_sym)
continue;
value = getenv(env_sym->name);
if (!value)
value = "";
fprintf(out, "ifneq \"$(%s)\" \"%s\"\n", env_sym->name, value);
fprintf(out, "include/config/auto.conf: FORCE\n");
fprintf(out, "endif\n");
}
fprintf(out, "\n$(deps_config): ;\n");
fclose(out);
rename("..config.tmp", name);
return 0;
}
/* Allocate initial growable sting */
struct gstr str_new(void)
{
struct gstr gs;
gs.s = malloc(sizeof(char) * 64);
gs.len = 64;
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;
if (s) {
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;
}