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; |
15 | |
16 | for (file = file_list; file; file = file->next) { |
17 | if (!strcmp(name, file->name)) |
18 | return file; |
19 | } |
20 | |
21 | file = malloc(sizeof(*file)); |
22 | memset(file, 0, sizeof(*file)); |
23 | file->name = strdup(name); |
24 | file->next = file_list; |
25 | file_list = file; |
26 | return file; |
27 | } |
28 | |
29 | /* Allocate initial growable sting */ |
30 | struct gstr str_new(void) |
31 | { |
32 | struct gstr gs; |
33 | gs.s = malloc(sizeof(char) * 64); |
34 | gs.len = 16; |
35 | strcpy(gs.s, "\0"); |
36 | return gs; |
37 | } |
38 | |
39 | /* Allocate and assign growable string */ |
40 | struct gstr str_assign(const char *s) |
41 | { |
42 | struct gstr gs; |
43 | gs.s = strdup(s); |
44 | gs.len = strlen(s) + 1; |
45 | return gs; |
46 | } |
47 | |
48 | /* Free storage for growable string */ |
49 | void str_free(struct gstr *gs) |
50 | { |
51 | if (gs->s) |
52 | free(gs->s); |
53 | gs->s = NULL; |
54 | gs->len = 0; |
55 | } |
56 | |
57 | /* Append to growable string */ |
58 | void str_append(struct gstr *gs, const char *s) |
59 | { |
60 | size_t l = strlen(gs->s) + strlen(s) + 1; |
61 | if (l > gs->len) { |
62 | gs->s = realloc(gs->s, l); |
63 | gs->len = l; |
64 | } |
65 | strcat(gs->s, s); |
66 | } |
67 | |
68 | /* Append printf formatted string to growable string */ |
69 | void str_printf(struct gstr *gs, const char *fmt, ...) |
70 | { |
71 | va_list ap; |
72 | char s[10000]; /* big enough... */ |
73 | va_start(ap, fmt); |
74 | vsnprintf(s, sizeof(s), fmt, ap); |
75 | str_append(gs, s); |
76 | va_end(ap); |
77 | } |
78 | |
79 | /* Retrieve value of growable string */ |
80 | const char *str_get(struct gstr *gs) |
81 | { |
82 | return gs->s; |
83 | } |
84 | |
85 | |