diff options
Diffstat (limited to 'libidn/toutf8.c')
| -rw-r--r-- | libidn/toutf8.c | 168 |
1 files changed, 30 insertions, 138 deletions
diff --git a/libidn/toutf8.c b/libidn/toutf8.c index 262f252..dad47c9 100644 --- a/libidn/toutf8.c +++ b/libidn/toutf8.c @@ -1,5 +1,5 @@ -/* toutf8.c Convert strings from system locale into UTF-8. - * Copyright (C) 2002, 2003, 2004 Simon Josefsson +/* toutf8.c --- Convert strings from system locale into UTF-8. + * Copyright (C) 2002, 2003, 2004, 2005 Simon Josefsson * * This file is part of GNU Libidn. * @@ -23,33 +23,36 @@ # include "config.h" #endif +/* Get prototypes. */ +#include "stringprep.h" + +/* Get fprintf. */ #include <stdio.h> + +/* Get getenv. */ #include <stdlib.h> + +/* Get strlen. */ #include <string.h> -#include <errno.h> -#include <sys/param.h> -#include "stringprep.h" +/* Get iconv_string. */ +#include "iconvme.h" #ifdef _LIBC # define HAVE_ICONV 1 # define LOCALE_WORKS 1 -# define ICONV_CONST #endif -#ifdef HAVE_ICONV -# include <iconv.h> - -# if LOCALE_WORKS -# include <langinfo.h> -# include <locale.h> -# endif +#if LOCALE_WORKS +# include <langinfo.h> +# include <locale.h> +#endif -# ifdef _LIBC -# define stringprep_locale_charset() nl_langinfo (CODESET) -# else +#ifdef _LIBC +# define stringprep_locale_charset() nl_langinfo (CODESET) +#else /** - * stringprep_locale_charset: + * stringprep_locale_charset - return charset used in current locale * * Find out current locale charset. The function respect the CHARSET * environment variable, but typically uses nl_langinfo(CODESET) when @@ -76,19 +79,19 @@ stringprep_locale_charset (void) if (charset && *charset) return charset; -# ifdef LOCALE_WORKS +# ifdef LOCALE_WORKS charset = nl_langinfo (CODESET); if (charset && *charset) return charset; -# endif +# endif return "ASCII"; } -# endif +#endif /** - * stringprep_convert: + * stringprep_convert - encode string using new character set * @str: input zero-terminated string. * @to_codeset: name of destination character set. * @from_codeset: name of origin character set, as used by @str. @@ -103,132 +106,21 @@ char * stringprep_convert (const char *str, const char *to_codeset, const char *from_codeset) { - iconv_t cd; - char *dest; - char *outp; - ICONV_CONST char *p; - size_t inbytes_remaining; - size_t outbytes_remaining; - size_t err; - size_t outbuf_size; - int have_error = 0; - - if (strcmp (to_codeset, from_codeset) == 0) - { -#if defined HAVE_STRDUP || defined _LIBC - return strdup (str); +#if HAVE_ICONV + return iconv_string (str, from_codeset, to_codeset); #else - char *p; - p = malloc (strlen (str) + 1); - if (!p) - return NULL; - return strcpy (p, str); -#endif - } - - cd = iconv_open (to_codeset, from_codeset); - - if (cd == (iconv_t) - 1) - return NULL; - - p = (ICONV_CONST char *) str; - - inbytes_remaining = strlen (p); - /* Guess the maximum length the output string can have. */ - outbuf_size = (inbytes_remaining + 1) * MAX (7, MB_CUR_MAX); - - outp = dest = malloc (outbuf_size); - if (dest == NULL) - goto out; - outbytes_remaining = outbuf_size - 1; /* -1 for NUL */ - -again: - - err = iconv (cd, (ICONV_CONST char **) &p, &inbytes_remaining, - &outp, &outbytes_remaining); - - if (err == (size_t) - 1) - { - switch (errno) - { - case EINVAL: - /* Incomplete text, do not report an error */ - break; - - case E2BIG: - { - size_t used = outp - dest; - char *newdest; - - outbuf_size *= 2; - newdest = realloc (dest, outbuf_size); - if (newdest == NULL) - { - have_error = 1; - goto out; - } - dest = newdest; - - outp = dest + used; - outbytes_remaining = outbuf_size - used - 1; /* -1 for NUL */ - - goto again; - } - break; - - case EILSEQ: - have_error = 1; - break; - - default: - have_error = 1; - break; - } - } - - *outp = '\0'; - - if (*p != '\0') - have_error = 1; - - out: - iconv_close (cd); - - if (have_error) - { - free (dest); - dest = NULL; - } - - return dest; -} - -#else /* HAVE_ICONV */ - -const char * -stringprep_locale_charset () -{ - return "ASCII"; -} - -char * -stringprep_convert (const char *str, - const char *to_codeset, const char *from_codeset) -{ char *p; fprintf (stderr, "libidn: warning: libiconv not installed, cannot " "convert data to UTF-8\n"); p = malloc (strlen (str) + 1); if (!p) return NULL; - strcpy (p, str); - return p; + return strcpy (p, str); +#endif } -#endif /* HAVE_ICONV */ - /** - * stringprep_locale_to_utf8: + * stringprep_locale_to_utf8 - convert locale encoded string to UTF-8 * @str: input zero terminated string. * * Convert string encoded in the locale's character set into UTF-8 by @@ -244,7 +136,7 @@ stringprep_locale_to_utf8 (const char *str) } /** - * stringprep_utf8_to_locale: + * stringprep_utf8_to_locale - encode UTF-8 string to locale encoding * @str: input zero terminated string. * * Convert string encoded in UTF-8 into the locale's character set by |