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kconfig: introduce specialized printer

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Make conf_write_symbol() grammar agnostic to be able to use it from different
code path. These path pass a printer callback which will print a symbol's name
and its value in different format.

conf_write_symbol()'s job become mostly only to prepare a string for the
printer. This avoid to have to pass specialized flag to generic
functions

Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>
[mmarek: rebased on top of de12518 (kconfig: autogenerated config_is_xxx
macro)]
Signed-off-by: Michal Marek <mmarek@suse.cz>
This commit is contained in:
Arnaud Lacombe
2011-05-15 23:42:09 -04:00
committed by Michal Marek
parent ec6452a5ec
commit e54e692ba6
4 changed files with 272 additions and 134 deletions
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46
scripts/kconfig/symbol.c
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@@ -750,7 +750,8 @@ const char *sym_get_string_value(struct symbol *sym)
case no:
return "n";
case mod:
return "m";
sym_calc_value(modules_sym);
return (modules_sym->curr.tri == no) ? "n" : "m";
case yes:
return "y";
}
@@ -892,6 +893,49 @@ const char *sym_expand_string_value(const char *in)
return res;
}
const char *sym_escape_string_value(const char *in)
{
const char *p;
size_t reslen;
char *res;
size_t l;
reslen = strlen(in) + strlen("\"\"") + 1;
p = in;
for (;;) {
l = strcspn(p, "\"\\");
p += l;
if (p[0] == '\0')
break;
reslen++;
p++;
}
res = malloc(reslen);
res[0] = '\0';
strcat(res, "\"");
p = in;
for (;;) {
l = strcspn(p, "\"\\");
strncat(res, p, l);
p += l;
if (p[0] == '\0')
break;
strcat(res, "\\");
strncat(res, p++, 1);
}
strcat(res, "\"");
return res;
}
struct symbol **sym_re_search(const char *pattern)
{
struct symbol *sym, **sym_arr = NULL;