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);
19 for (file = file_list; file; file = file->next) {
20 if (!strcmp(name, file->name)) {
21 free((void *)file_name);
26 file = xmalloc(sizeof(*file));
27 memset(file, 0, sizeof(*file));
28 file->name = file_name;
29 file->next = file_list;
34 /* write a dependency file as used by kbuild to track dependencies */
35 int file_write_dep(const char *name)
37 struct symbol *sym, *env_sym;
44 out = fopen("..config.tmp", "w");
47 fprintf(out, "deps_config := \\\n");
48 for (file = file_list; file; file = file->next) {
50 fprintf(out, "\t%s \\\n", file->name);
52 fprintf(out, "\t%s\n", file->name);
54 fprintf(out, "\n%s: \\\n"
55 "\t$(deps_config)\n\n", conf_get_autoconfig_name());
57 expr_list_for_each_sym(sym_env_list, e, sym) {
58 struct property *prop;
61 prop = sym_get_env_prop(sym);
62 env_sym = prop_get_symbol(prop);
65 value = getenv(env_sym->name);
68 fprintf(out, "ifneq \"$(%s)\" \"%s\"\n", env_sym->name, value);
69 fprintf(out, "%s: FORCE\n", conf_get_autoconfig_name());
70 fprintf(out, "endif\n");
73 fprintf(out, "\n$(deps_config): ;\n");
75 rename("..config.tmp", name);
80 /* Allocate initial growable string */
81 struct gstr str_new(void)
84 gs.s = xmalloc(sizeof(char) * 64);
91 /* Allocate and assign growable string */
92 struct gstr str_assign(const char *s)
96 gs.len = strlen(s) + 1;
101 /* Free storage for growable string */
102 void str_free(struct gstr *gs)
110 /* Append to growable string */
111 void str_append(struct gstr *gs, const char *s)
115 l = strlen(gs->s) + strlen(s) + 1;
117 gs->s = realloc(gs->s, l);
124 /* Append printf formatted string to growable string */
125 void str_printf(struct gstr *gs, const char *fmt, ...)
128 char s[10000]; /* big enough... */
130 vsnprintf(s, sizeof(s), fmt, ap);
135 /* Retrieve value of growable string */
136 const char *str_get(struct gstr *gs)
141 void *xmalloc(size_t size)
143 void *p = malloc(size);
146 fprintf(stderr, "Out of memory.\n");
150 void *xcalloc(size_t nmemb, size_t size)
152 void *p = calloc(nmemb, size);
155 fprintf(stderr, "Out of memory.\n");