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
;
40 char tmpf
[PATH_MAX
+1];
47 strcat(tmpf
, "..config.tmp");
48 out
= fopen(tmpf
, "w");
51 fprintf(out
, "deps_config := \\\n");
52 for (file
= file_list
; file
; file
= file
->next
) {
54 fprintf(out
, "\t%s \\\n", file
->name
);
56 fprintf(out
, "\t%s\n", file
->name
);
58 fprintf(out
, "\n%s: \\\n"
59 "\t$(deps_config)\n\n", conf_get_autoconfig_name());
61 expr_list_for_each_sym(sym_env_list
, e
, sym
) {
62 struct property
*prop
;
65 prop
= sym_get_env_prop(sym
);
66 env_sym
= prop_get_symbol(prop
);
69 value
= getenv(env_sym
->name
);
72 fprintf(out
, "ifneq \"$(%s)\" \"%s\"\n", env_sym
->name
, value
);
73 fprintf(out
, "%s: FORCE\n", conf_get_autoconfig_name());
74 fprintf(out
, "endif\n");
77 fprintf(out
, "\n$(deps_config): ;\n");
84 /* Allocate initial growable string */
85 struct gstr
str_new(void)
88 gs
.s
= xmalloc(sizeof(char) * 64);
95 /* Allocate and assign growable string */
96 struct gstr
str_assign(const char *s
)
100 gs
.len
= strlen(s
) + 1;
105 /* Free storage for growable string */
106 void str_free(struct gstr
*gs
)
114 /* Append to growable string */
115 void str_append(struct gstr
*gs
, const char *s
)
119 l
= strlen(gs
->s
) + strlen(s
) + 1;
121 gs
->s
= realloc(gs
->s
, l
);
128 /* Append printf formatted string to growable string */
129 void str_printf(struct gstr
*gs
, const char *fmt
, ...)
132 char s
[10000]; /* big enough... */
134 vsnprintf(s
, sizeof(s
), fmt
, ap
);
139 /* Retrieve value of growable string */
140 const char *str_get(struct gstr
*gs
)
145 void *xmalloc(size_t size
)
147 void *p
= malloc(size
);
150 fprintf(stderr
, "Out of memory.\n");
154 void *xcalloc(size_t nmemb
, size_t size
)
156 void *p
= calloc(nmemb
, size
);
159 fprintf(stderr
, "Out of memory.\n");
163 /* basename, dirname - parse pathname components */
164 char *dir_name(char *path
)
166 char *slash
= strrchr(path
, '/');
169 size
= slash
- path
+ 1;
173 char *base_name(char *path
)
175 char *slash
= strrchr(path
, '/');
177 path
+= slash
- path
+ 1;