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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * Copyright (C) 2002-2005 Roman Zippel <zippel@linux-m68k.org> | |
3 | * Copyright (C) 2002-2005 Sam Ravnborg <sam@ravnborg.org> | |
4 | * | |
5 | * Released under the terms of the GNU GPL v2.0. | |
6 | */ | |
7 | ||
8 | #include <string.h> | |
9 | #include "lkc.h" | |
10 | ||
11 | /* file already present in list? If not add it */ | |
12 | struct file *file_lookup(const char *name) | |
13 | { | |
14 | struct file *file; | |
c7abe863 | 15 | const char *file_name = sym_expand_string_value(name); |
1da177e4 LT |
16 | |
17 | for (file = file_list; file; file = file->next) { | |
c7abe863 AL |
18 | if (!strcmp(name, file->name)) { |
19 | free((void *)file_name); | |
1da177e4 | 20 | return file; |
c7abe863 | 21 | } |
1da177e4 LT |
22 | } |
23 | ||
24 | file = malloc(sizeof(*file)); | |
25 | memset(file, 0, sizeof(*file)); | |
c7abe863 | 26 | file->name = file_name; |
1da177e4 LT |
27 | file->next = file_list; |
28 | file_list = file; | |
29 | return file; | |
30 | } | |
31 | ||
32 | /* write a dependency file as used by kbuild to track dependencies */ | |
33 | int file_write_dep(const char *name) | |
34 | { | |
93449082 RZ |
35 | struct symbol *sym, *env_sym; |
36 | struct expr *e; | |
1da177e4 LT |
37 | struct file *file; |
38 | FILE *out; | |
39 | ||
40 | if (!name) | |
752625cf | 41 | name = ".kconfig.d"; |
1da177e4 LT |
42 | out = fopen("..config.tmp", "w"); |
43 | if (!out) | |
44 | return 1; | |
45 | fprintf(out, "deps_config := \\\n"); | |
46 | for (file = file_list; file; file = file->next) { | |
47 | if (file->next) | |
48 | fprintf(out, "\t%s \\\n", file->name); | |
49 | else | |
50 | fprintf(out, "\t%s\n", file->name); | |
51 | } | |
12122f62 MH |
52 | fprintf(out, "\n%s: \\\n" |
53 | "\t$(deps_config)\n\n", conf_get_autoconfig_name()); | |
93449082 RZ |
54 | |
55 | expr_list_for_each_sym(sym_env_list, e, sym) { | |
56 | struct property *prop; | |
57 | const char *value; | |
58 | ||
59 | prop = sym_get_env_prop(sym); | |
60 | env_sym = prop_get_symbol(prop); | |
61 | if (!env_sym) | |
62 | continue; | |
63 | value = getenv(env_sym->name); | |
64 | if (!value) | |
65 | value = ""; | |
66 | fprintf(out, "ifneq \"$(%s)\" \"%s\"\n", env_sym->name, value); | |
12122f62 | 67 | fprintf(out, "%s: FORCE\n", conf_get_autoconfig_name()); |
93449082 RZ |
68 | fprintf(out, "endif\n"); |
69 | } | |
70 | ||
71 | fprintf(out, "\n$(deps_config): ;\n"); | |
1da177e4 LT |
72 | fclose(out); |
73 | rename("..config.tmp", name); | |
74 | return 0; | |
75 | } | |
76 | ||
77 | ||
31a2d31d | 78 | /* Allocate initial growable string */ |
1da177e4 LT |
79 | struct gstr str_new(void) |
80 | { | |
81 | struct gstr gs; | |
82 | gs.s = malloc(sizeof(char) * 64); | |
107f43a0 | 83 | gs.len = 64; |
da60fbbc | 84 | gs.max_width = 0; |
1da177e4 LT |
85 | strcpy(gs.s, "\0"); |
86 | return gs; | |
87 | } | |
88 | ||
89 | /* Allocate and assign growable string */ | |
90 | struct gstr str_assign(const char *s) | |
91 | { | |
92 | struct gstr gs; | |
93 | gs.s = strdup(s); | |
94 | gs.len = strlen(s) + 1; | |
da60fbbc | 95 | gs.max_width = 0; |
1da177e4 LT |
96 | return gs; |
97 | } | |
98 | ||
99 | /* Free storage for growable string */ | |
100 | void str_free(struct gstr *gs) | |
101 | { | |
102 | if (gs->s) | |
103 | free(gs->s); | |
104 | gs->s = NULL; | |
105 | gs->len = 0; | |
106 | } | |
107 | ||
108 | /* Append to growable string */ | |
109 | void str_append(struct gstr *gs, const char *s) | |
110 | { | |
a67cb131 SR |
111 | size_t l; |
112 | if (s) { | |
113 | l = strlen(gs->s) + strlen(s) + 1; | |
114 | if (l > gs->len) { | |
115 | gs->s = realloc(gs->s, l); | |
116 | gs->len = l; | |
117 | } | |
118 | strcat(gs->s, s); | |
1da177e4 | 119 | } |
1da177e4 LT |
120 | } |
121 | ||
122 | /* Append printf formatted string to growable string */ | |
123 | void str_printf(struct gstr *gs, const char *fmt, ...) | |
124 | { | |
125 | va_list ap; | |
126 | char s[10000]; /* big enough... */ | |
127 | va_start(ap, fmt); | |
128 | vsnprintf(s, sizeof(s), fmt, ap); | |
129 | str_append(gs, s); | |
130 | va_end(ap); | |
131 | } | |
132 | ||
4a4efbde | 133 | /* Retrieve value of growable string */ |
1da177e4 LT |
134 | const char *str_get(struct gstr *gs) |
135 | { | |
136 | return gs->s; | |
137 | } | |
138 |