OpenCoverage

fnxform.c

Absolute File Name:

/home/opencoverage/opencoverage/guest-scripts/bash/src/lib/sh/fnxform.c

Source code

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1 /* fnxform - use iconv(3) to transform strings to and from "filename" format */ -

2 -

4 -

5 This file is part of GNU Bash, the Bourne Again SHell. -

6 -

7 Bash is free software: you can redistribute it and/or modify -

8 it under the terms of the GNU General Public License as published by -

9 the Free Software Foundation, either version 3 of the License, or -

10 (at your option) any later version. -

11 -

12 Bash is distributed in the hope that it will be useful, -

13 but WITHOUT ANY WARRANTY; without even the implied warranty of -

14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -

15 GNU General Public License for more details. -

16 -

17 You should have received a copy of the GNU General Public License -

18 along with Bash. If not, see <http://www.gnu.org/licenses/>. -

19 */ -

20 -

21 #include <config.h> -

22 #if defined (HAVE_UNISTD_H) -

23 # include <unistd.h> -

24 #endif -

25 #include "bashansi.h" -

26 #include <stdio.h> -

27 #include "bashtypes.h" -

28 -

29 #include "stdc.h" -

30 #include "bashintl.h" -

31 #include <xmalloc.h> -

32 -

33 #if defined (HAVE_ICONV) -

34 # include <iconv.h> -

35 #endif -

36 -

37 #if defined (HAVE_LOCALE_CHARSET) -

38 extern const char *locale_charset __P((void)); -

39 #else -

40 extern char *get_locale_var __P((char *)); -

41 #endif -

42 -

43 #if defined (HAVE_ICONV) -

44 static iconv_t conv_fromfs = (iconv_t)-1; -

45 static iconv_t conv_tofs = (iconv_t)-1; -

46 -

47 #define OUTLEN_MAX 4096 -

48 -

49 static char *outbuf = 0; -

50 static size_t outlen = 0; -

51 -

52 static char *curencoding __P((void)); -

53 static void init_tofs __P((void)); -

54 static void init_fromfs __P((void)); -

55 -

56 static char * -

57 curencoding () -

58 { -

59 char *loc; -

60 #if defined (HAVE_LOCALE_CHARSET) -

61 loc = (char *)locale_charset (); -

62 return loc; -

63 #else -

64 char *dot, *mod; -

65 -

66 loc = get_locale_var ("LC_CTYPE"); -

if (loc == 0 || *loc == 0)

loc == 0	Description
TRUE	never evaluated
FALSE	never evaluated

*loc == 0	Description
TRUE	never evaluated
FALSE	never evaluated

return "";

never executed: return "";

dot = strchr (loc, '.');

__builtin_constant_p ( '.' )	Description
TRUE	never evaluated
FALSE	never evaluated

!__builtin_constant_p ( loc )	Description
TRUE	never evaluated
FALSE	never evaluated

( '.' ) == '\0'	Description
TRUE	never evaluated
FALSE	never evaluated

if (dot == 0)

dot == 0	Description
TRUE	never evaluated
FALSE	never evaluated

return loc;

never executed: return loc;

mod = strchr (dot, '@');

__builtin_constant_p ( '@' )	Description
TRUE	never evaluated
FALSE	never evaluated

!__builtin_constant_p ( dot )	Description
TRUE	never evaluated
FALSE	never evaluated

( '@' ) == '\0'	Description
TRUE	never evaluated
FALSE	never evaluated

if (mod)

mod	Description
TRUE	never evaluated
FALSE	never evaluated

*mod = '\0';

never executed: *mod = '\0';

return ++dot;

never executed: return ++dot;

76 #endif -

77 } -

78 -

79 static void -

80 init_tofs () -

81 { -

82 char *cur; -

83 -

84 cur = curencoding (); -

85 conv_tofs = iconv_open ("UTF-8-MAC", cur); -

}

never executed: end of block

87 -

88 static void -

89 init_fromfs () -

90 { -

91 char *cur; -

92 -

93 cur = curencoding (); -

94 conv_fromfs = iconv_open (cur, "UTF-8-MAC"); -

}

never executed: end of block

96 -

97 char * -

98 fnx_tofs (string, len) -

99 char *string; -

100 size_t len; -

101 { -

102 #ifdef MACOSX -

103 ICONV_CONST char *inbuf; -

104 char *tempbuf; -

105 size_t templen; -

106 -

107 if (conv_tofs == (iconv_t)-1) -

108 init_tofs (); -

109 if (conv_tofs == (iconv_t)-1) -

110 return string; -

111 -

112 /* Free and reallocate outbuf if it's *too* big */ -

113 if (outlen >= OUTLEN_MAX && len < OUTLEN_MAX - 8) -

114 { -

115 free (outbuf); -

116 outbuf = 0; -

117 outlen = 0; -

118 } -

119 -

120 inbuf = string; -

121 if (outbuf == 0 || outlen < len + 8) -

122 { -

123 outlen = len + 8; -

124 outbuf = outbuf ? xrealloc (outbuf, outlen + 1) : xmalloc (outlen + 1); -

125 } -

126 tempbuf = outbuf; -

127 templen = outlen; -

128 -

129 iconv (conv_tofs, NULL, NULL, NULL, NULL); -

130 -

131 if (iconv (conv_tofs, &inbuf, &len, &tempbuf, &templen) == (size_t)-1) -

132 return string; -

133 -

134 *tempbuf = '\0'; -

135 return outbuf; -

136 #else -

137

return string;

never executed: return string;

138 #endif -

139 } -

140 -

141 char * -

142 fnx_fromfs (string, len) -

143 char *string; -

144 size_t len; -

145 { -

146 #ifdef MACOSX -

147 ICONV_CONST char *inbuf; -

148 char *tempbuf; -

149 size_t templen; -

150 -

151 if (conv_fromfs == (iconv_t)-1) -

152 init_fromfs (); -

153 if (conv_fromfs == (iconv_t)-1) -

154 return string; -

155 -

156 /* Free and reallocate outbuf if it's *too* big */ -

157 if (outlen >= OUTLEN_MAX && len < OUTLEN_MAX - 8) -

158 { -

159 free (outbuf); -

160 outbuf = 0; -

161 outlen = 0; -

162 } -

163 -

164 inbuf = string; -

165 if (outbuf == 0 || outlen < (len + 8)) -

166 { -

167 outlen = len + 8; -

168 outbuf = outbuf ? xrealloc (outbuf, outlen + 1) : xmalloc (outlen + 1); -

169 } -

170 tempbuf = outbuf; -

171 templen = outlen; -

172 -

173 iconv (conv_fromfs, NULL, NULL, NULL, NULL); -

174 -

175 if (iconv (conv_fromfs, &inbuf, &len, &tempbuf, &templen) == (size_t)-1) -

176 return string; -

177 -

178 *tempbuf = '\0'; -

179 return outbuf; -

180 #else -

181

return string;

executed 496335 times by 1 test: return string;

Executed by:

Self test

496335

182 #endif -

183 } -

184 -

185 #else -

186 char * -

187 fnx_tofs (string) -

188 char *string; -

189 { -

190 return string; -

191 } -

192 -

193 char * -

194 fnx_fromfs (string) -

195 char *string; -

196 { -

197 return string; -

198 } -

199 #endif -

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