2 * Copyright (C) 2002-2005 Roman Zippel <zippel@linux-m68k.org>
3 * Copyright (C) 2002-2005 Sam Ravnborg <sam@ravnborg.org>
5 * Released under the terms of the GNU GPL v2.0.
13 /* file already present in list? If not add it */
14 struct file *file_lookup(const char *name)
17 const char *file_name = sym_expand_string_value(name);
18 char *abs_file_name = realpath(file_name, NULL);
20 for (file = file_list; file; file = file->next) {
21 if (!strcmp(name, file->name)) {
22 free((void *)file_name);
27 file = malloc(sizeof(*file));
28 memset(file, 0, sizeof(*file));
29 file->name = file_name;
30 file->abs_name = abs_file_name;
31 file->next = file_list;
36 /* write a dependency file as used by kbuild to track dependencies */
37 int file_write_dep(const char *name)
39 struct symbol *sym, *env_sym;
46 out = fopen("..config.tmp", "w");
49 fprintf(out, "deps_config := \\\n");
50 for (file = file_list; file; file = file->next) {
52 fprintf(out, "\t%s \\\n", file->name);
54 fprintf(out, "\t%s\n", file->name);
56 fprintf(out, "\n%s: \\\n"
57 "\t$(deps_config)\n\n", conf_get_autoconfig_name());
59 expr_list_for_each_sym(sym_env_list, e, sym) {
60 struct property *prop;
63 prop = sym_get_env_prop(sym);
64 env_sym = prop_get_symbol(prop);
67 value = getenv(env_sym->name);
70 fprintf(out, "ifneq \"$(%s)\" \"%s\"\n", env_sym->name, value);
71 fprintf(out, "%s: FORCE\n", conf_get_autoconfig_name());
72 fprintf(out, "endif\n");
75 fprintf(out, "\n$(deps_config): ;\n");
77 rename("..config.tmp", name);
82 /* Allocate initial growable string */
83 struct gstr str_new(void)
86 gs.s = malloc(sizeof(char) * 64);
93 /* Allocate and assign growable string */
94 struct gstr str_assign(const char *s)
98 gs.len = strlen(s) + 1;
103 /* Free storage for growable string */
104 void str_free(struct gstr *gs)
112 /* Append to growable string */
113 void str_append(struct gstr *gs, const char *s)
117 l = strlen(gs->s) + strlen(s) + 1;
119 gs->s = realloc(gs->s, l);
126 /* Append printf formatted string to growable string */
127 void str_printf(struct gstr *gs, const char *fmt, ...)
130 char s[10000]; /* big enough... */
132 vsnprintf(s, sizeof(s), fmt, ap);
137 /* Retrieve value of growable string */
138 const char *str_get(struct gstr *gs)