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 char *file_name = sym_expand_string_value(name);
19 for (file = file_list; file; file = file->next) {
20 if (!strcmp(name, 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)
42 out = fopen("..config.tmp", "w");
45 fprintf(out, "deps_config := \\\n");
46 for (file = file_list; file; file = file->next) {
48 fprintf(out, "\t%s \\\n", file->name);
50 fprintf(out, "\t%s\n", file->name);
52 fprintf(out, "\n%s: \\\n"
53 "\t$(deps_config)\n\n", conf_get_autoconfig_name());
55 env_write_dep(out, conf_get_autoconfig_name());
57 fprintf(out, "\n$(deps_config): ;\n");
59 rename("..config.tmp", name);
64 /* Allocate initial growable string */
65 struct gstr str_new(void)
68 gs.s = xmalloc(sizeof(char) * 64);
75 /* Free storage for growable string */
76 void str_free(struct gstr *gs)
84 /* Append to growable string */
85 void str_append(struct gstr *gs, const char *s)
89 l = strlen(gs->s) + strlen(s) + 1;
91 gs->s = xrealloc(gs->s, l);
98 /* Append printf formatted string to growable string */
99 void str_printf(struct gstr *gs, const char *fmt, ...)
102 char s[10000]; /* big enough... */
104 vsnprintf(s, sizeof(s), fmt, ap);
109 /* Retrieve value of growable string */
110 const char *str_get(struct gstr *gs)
115 void *xmalloc(size_t size)
117 void *p = malloc(size);
120 fprintf(stderr, "Out of memory.\n");
124 void *xcalloc(size_t nmemb, size_t size)
126 void *p = calloc(nmemb, size);
129 fprintf(stderr, "Out of memory.\n");
133 void *xrealloc(void *p, size_t size)
135 p = realloc(p, size);
138 fprintf(stderr, "Out of memory.\n");
142 char *xstrdup(const char *s)
149 fprintf(stderr, "Out of memory.\n");
153 char *xstrndup(const char *s, size_t n)
160 fprintf(stderr, "Out of memory.\n");