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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 | ||
10a4b277 | 8 | #include <stdarg.h> |
1da177e4 LT |
9 | #include <string.h> |
10 | #include "lkc.h" | |
11 | ||
12 | /* file already present in list? If not add it */ | |
13 | struct file *file_lookup(const char *name) | |
14 | { | |
15 | struct file *file; | |
c7abe863 | 16 | const char *file_name = sym_expand_string_value(name); |
1da177e4 LT |
17 | |
18 | for (file = file_list; file; file = file->next) { | |
c7abe863 AL |
19 | if (!strcmp(name, file->name)) { |
20 | free((void *)file_name); | |
1da177e4 | 21 | return file; |
c7abe863 | 22 | } |
1da177e4 LT |
23 | } |
24 | ||
25 | file = malloc(sizeof(*file)); | |
26 | memset(file, 0, sizeof(*file)); | |
c7abe863 | 27 | file->name = file_name; |
1da177e4 LT |
28 | file->next = file_list; |
29 | file_list = file; | |
30 | return file; | |
31 | } | |
32 | ||
33 | /* write a dependency file as used by kbuild to track dependencies */ | |
34 | int file_write_dep(const char *name) | |
35 | { | |
93449082 RZ |
36 | struct symbol *sym, *env_sym; |
37 | struct expr *e; | |
1da177e4 LT |
38 | struct file *file; |
39 | FILE *out; | |
40 | ||
41 | if (!name) | |
752625cf | 42 | name = ".kconfig.d"; |
1da177e4 LT |
43 | out = fopen("..config.tmp", "w"); |
44 | if (!out) | |
45 | return 1; | |
46 | fprintf(out, "deps_config := \\\n"); | |
47 | for (file = file_list; file; file = file->next) { | |
48 | if (file->next) | |
49 | fprintf(out, "\t%s \\\n", file->name); | |
50 | else | |
51 | fprintf(out, "\t%s\n", file->name); | |
52 | } | |
12122f62 MH |
53 | fprintf(out, "\n%s: \\\n" |
54 | "\t$(deps_config)\n\n", conf_get_autoconfig_name()); | |
93449082 RZ |
55 | |
56 | expr_list_for_each_sym(sym_env_list, e, sym) { | |
57 | struct property *prop; | |
58 | const char *value; | |
59 | ||
60 | prop = sym_get_env_prop(sym); | |
61 | env_sym = prop_get_symbol(prop); | |
62 | if (!env_sym) | |
63 | continue; | |
64 | value = getenv(env_sym->name); | |
65 | if (!value) | |
66 | value = ""; | |
67 | fprintf(out, "ifneq \"$(%s)\" \"%s\"\n", env_sym->name, value); | |
12122f62 | 68 | fprintf(out, "%s: FORCE\n", conf_get_autoconfig_name()); |
93449082 RZ |
69 | fprintf(out, "endif\n"); |
70 | } | |
71 | ||
72 | fprintf(out, "\n$(deps_config): ;\n"); | |
1da177e4 LT |
73 | fclose(out); |
74 | rename("..config.tmp", name); | |
75 | return 0; | |
76 | } | |
77 | ||
78 | ||
31a2d31d | 79 | /* Allocate initial growable string */ |
1da177e4 LT |
80 | struct gstr str_new(void) |
81 | { | |
82 | struct gstr gs; | |
83 | gs.s = malloc(sizeof(char) * 64); | |
107f43a0 | 84 | gs.len = 64; |
da60fbbc | 85 | gs.max_width = 0; |
1da177e4 LT |
86 | strcpy(gs.s, "\0"); |
87 | return gs; | |
88 | } | |
89 | ||
90 | /* Allocate and assign growable string */ | |
91 | struct gstr str_assign(const char *s) | |
92 | { | |
93 | struct gstr gs; | |
94 | gs.s = strdup(s); | |
95 | gs.len = strlen(s) + 1; | |
da60fbbc | 96 | gs.max_width = 0; |
1da177e4 LT |
97 | return gs; |
98 | } | |
99 | ||
100 | /* Free storage for growable string */ | |
101 | void str_free(struct gstr *gs) | |
102 | { | |
103 | if (gs->s) | |
104 | free(gs->s); | |
105 | gs->s = NULL; | |
106 | gs->len = 0; | |
107 | } | |
108 | ||
109 | /* Append to growable string */ | |
110 | void str_append(struct gstr *gs, const char *s) | |
111 | { | |
a67cb131 SR |
112 | size_t l; |
113 | if (s) { | |
114 | l = strlen(gs->s) + strlen(s) + 1; | |
115 | if (l > gs->len) { | |
116 | gs->s = realloc(gs->s, l); | |
117 | gs->len = l; | |
118 | } | |
119 | strcat(gs->s, s); | |
1da177e4 | 120 | } |
1da177e4 LT |
121 | } |
122 | ||
123 | /* Append printf formatted string to growable string */ | |
124 | void str_printf(struct gstr *gs, const char *fmt, ...) | |
125 | { | |
126 | va_list ap; | |
127 | char s[10000]; /* big enough... */ | |
128 | va_start(ap, fmt); | |
129 | vsnprintf(s, sizeof(s), fmt, ap); | |
130 | str_append(gs, s); | |
131 | va_end(ap); | |
132 | } | |
133 | ||
4a4efbde | 134 | /* Retrieve value of growable string */ |
1da177e4 LT |
135 | const char *str_get(struct gstr *gs) |
136 | { | |
137 | return gs->s; | |
138 | } | |
139 |