]>
Commit | Line | Data |
---|---|---|
48e2f01c | 1 | /* |
2 | * Copyright (C) 2013 nu774 | |
3 | * For conditions of distribution and use, see copyright notice in COPYING | |
4 | */ | |
5 | #if HAVE_CONFIG_H | |
6 | # include "config.h" | |
7 | #endif | |
8 | #if HAVE_STDINT_H | |
9 | # include <stdint.h> | |
10 | #endif | |
11 | #include <stdio.h> | |
12 | #include <stdlib.h> | |
13 | #include <string.h> | |
14 | #include <stdarg.h> | |
15 | #include <sys/time.h> | |
16 | #include "compat.h" | |
17 | ||
18 | int64_t aacenc_timer(void) | |
19 | { | |
20 | struct timeval tv = { 0 }; | |
21 | gettimeofday(&tv, 0); | |
22 | return (int64_t)tv.tv_sec * 1000 + tv.tv_usec / 1000; | |
23 | } | |
24 | ||
25 | FILE *aacenc_fopen(const char *name, const char *mode) | |
26 | { | |
27 | FILE *fp; | |
28 | if (strcmp(name, "-") == 0) | |
29 | fp = (mode[0] == 'r') ? stdin : stdout; | |
30 | else | |
31 | fp = fopen(name, mode); | |
32 | return fp; | |
33 | } | |
34 | ||
9b7e1ca6 | 35 | int aacenc_seekable(FILE *fp) |
48e2f01c | 36 | { |
9b7e1ca6 | 37 | return fseek(fp, 0, SEEK_CUR) == 0; |
48e2f01c | 38 | } |
39 | ||
5888fddc | 40 | /* |
41 | * Different from POSIX basename() when path ends with /. | |
42 | * Since we use this only for a regular file, the difference doesn't matter. | |
43 | */ | |
44 | const char *aacenc_basename(const char *path) | |
45 | { | |
46 | const char *p = strrchr(path, '/'); | |
47 | return p ? p + 1: path; | |
48 | } | |
49 | ||
48e2f01c | 50 | #ifndef HAVE_ICONV |
51 | char *aacenc_to_utf8(const char *s) | |
52 | { | |
53 | return strdup(s); | |
54 | } | |
55 | #else /* HAVE_ICONV */ | |
56 | ||
57 | #include <sys/types.h> | |
58 | #include <stddef.h> | |
59 | #include <errno.h> | |
60 | #include <iconv.h> | |
61 | ||
b5d0b6b1 MG |
62 | #if HAVE_LIBCHARSET_H |
63 | #include <libcharset.h> | |
48e2f01c | 64 | #elif HAVE_LANGINFO_H |
65 | #include <langinfo.h> | |
66 | static const char *locale_charset(void) | |
67 | { | |
68 | return nl_langinfo(CODESET); | |
69 | } | |
70 | #else | |
71 | static const char *locale_charset(void) | |
72 | { | |
73 | return 0; | |
74 | } | |
75 | #endif | |
76 | ||
77 | static | |
78 | int utf8_from_charset(const char *charset, const char *from, char **to) | |
79 | { | |
80 | iconv_t cd; | |
81 | size_t fromlen, obsize, ibleft, obleft; | |
82 | char *ip, *op; | |
83 | ||
84 | cd = iconv_open("UTF-8", charset); | |
85 | if (cd == (iconv_t)-1) | |
86 | return -1; | |
87 | ||
88 | fromlen = strlen(from); | |
89 | ibleft = fromlen; | |
90 | obsize = 2; | |
91 | obleft = obsize - 1; | |
92 | *to = malloc(obsize); | |
93 | ip = (char *)from; | |
94 | op = *to; | |
95 | ||
96 | while (ibleft > 0) { | |
97 | if (iconv(cd, &ip, &ibleft, &op, &obleft) != (size_t)-1) | |
98 | break; | |
99 | else { | |
100 | if (errno == E2BIG || obleft == 0) { | |
101 | ptrdiff_t offset = op - *to; | |
102 | obsize *= 2; | |
103 | *to = realloc(*to, obsize); | |
104 | op = *to + offset; | |
105 | obleft = obsize - offset - 1; | |
106 | } | |
107 | if (errno == EILSEQ) { | |
108 | ++ip; | |
109 | --ibleft; | |
110 | *op++ = '?'; | |
111 | --obleft; | |
112 | } | |
113 | if (errno != E2BIG && errno != EILSEQ) | |
114 | break; | |
115 | } | |
116 | } | |
117 | iconv_close(cd); | |
118 | *op = 0; | |
119 | if (fromlen > 0 && op == *to) { | |
120 | free(op); | |
121 | return -1; | |
122 | } | |
123 | return 0; | |
124 | } | |
125 | ||
126 | char *aacenc_to_utf8(const char *s) | |
127 | { | |
128 | char *result; | |
129 | const char *charset; | |
130 | ||
131 | if ((charset = locale_charset()) == 0) | |
132 | charset = "US-ASCII"; | |
133 | if (utf8_from_charset(charset, s, &result) < 0) | |
134 | result = strdup(s); | |
135 | return result; | |
136 | } | |
137 | #endif /* HAVE_ICONV */ |