X-Git-Url: http://git.madism.org/?p=apps%2Fmadmutt.git;a=blobdiff_plain;f=imap%2Futf7.c;h=e2b3340198876a8dcaa3c3ced5b242b6149dad2b;hp=3fa10c7ce4d3fbab885b0f040151657f13d42920;hb=108f3c7ab59844591f7540347914ea57be5245e2;hpb=0f44dc85fc1280372ffab911d701e703d803fb4b diff --git a/imap/utf7.c b/imap/utf7.c index 3fa10c7..e2b3340 100644 --- a/imap/utf7.c +++ b/imap/utf7.c @@ -11,31 +11,12 @@ # include "config.h" #endif +#include + #include "mutt.h" #include "charset.h" #include "imap_private.h" -#include "lib/mem.h" - -static int Index_64[128] = { - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, 63, -1, -1, -1, - 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1, - -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, - 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, - -1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, - 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -1, -1, -1, -1, -1 -}; - -static char B64Chars[64] = { - 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', - 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', - 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', - 't', 'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', - '8', '9', '+', ',' -}; - /* * Convert the data (u7,u7len) from RFC 2060's UTF-7 to UTF-8. * The result is null-terminated and returned, and also stored @@ -52,7 +33,7 @@ static char *utf7_to_utf8 (const char *u7, size_t u7len, char **u8, char *buf, *p; int b, ch, k; - p = buf = safe_malloc (u7len + u7len / 8 + 1); + p = buf = p_new(char, u7len + u7len / 8 + 1); for (; u7len; u7++, u7len--) { if (*u7 == '&') { @@ -66,7 +47,7 @@ static char *utf7_to_utf8 (const char *u7, size_t u7len, char **u8, ch = 0; k = 10; for (; u7len; u7++, u7len--) { - if ((*u7 & 0x80) || (b = Index_64[(int) *u7]) == -1) + if ((b = base64val(*u7)) < 0) break; if (k > 0) { ch |= b << k; @@ -113,13 +94,13 @@ static char *utf7_to_utf8 (const char *u7, size_t u7len, char **u8, if (u8len) *u8len = p - buf; - safe_realloc (&buf, p - buf); + p_realloc(&buf, p - buf); if (u8) *u8 = buf; return buf; bail: - FREE (&buf); + p_delete(&buf); return 0; } @@ -142,7 +123,7 @@ static char *utf8_to_utf7 (const char *u8, size_t u8len, char **u7, * In the worst case we convert 2 chars to 7 chars. For example: * "\x10&\x10&..." -> "&ABA-&-&ABA-&-...". */ - p = buf = safe_malloc ((u8len / 2) * 7 + 6); + p = buf = p_new(char, (u8len / 2) * 7 + 6); while (u8len) { unsigned char c = *u8; @@ -185,17 +166,17 @@ static char *utf8_to_utf7 (const char *u8, size_t u8len, char **u7, } if (ch & ~0xffff) ch = 0xfffe; - *p++ = B64Chars[b | ch >> k]; + *p++ = __m_b64chars[b | ch >> k]; k -= 6; for (; k >= 0; k -= 6) - *p++ = B64Chars[(ch >> k) & 0x3f]; + *p++ = __m_b64chars[(ch >> k) & 0x3f]; b = (ch << (-k)) & 0x3f; k += 16; } else { if (base64) { if (k > 10) - *p++ = B64Chars[b]; + *p++ = __m_b64chars[b]; *p++ = '-'; base64 = 0; } @@ -206,47 +187,50 @@ static char *utf8_to_utf7 (const char *u8, size_t u8len, char **u7, } if (u8len) { - FREE (&buf); + p_delete(&buf); return 0; } if (base64) { if (k > 10) - *p++ = B64Chars[b]; + *p++ = __m_b64chars[b]; *p++ = '-'; } *p++ = '\0'; if (u7len) *u7len = p - buf; - safe_realloc (&buf, p - buf); + p_realloc(&buf, p - buf); if (u7) *u7 = buf; return buf; bail: - FREE (&buf); + p_delete(&buf); return 0; } void imap_utf7_encode (char **s) { if (Charset) { - char *t = safe_strdup (*s); + char *t = m_strdup(*s); - if (!mutt_convert_string (&t, Charset, "UTF-8", 0)) - utf8_to_utf7 (t, safe_strlen (t), s, 0); - FREE (&t); + if (!mutt_convert_string (&t, Charset, "UTF-8", 0)) { + char *u7 = utf8_to_utf7 (t, strlen (t), NULL, 0); + p_delete(s); + *s = u7; + } + p_delete(&t); } } void imap_utf7_decode (char **s) { if (Charset) { - char *t = utf7_to_utf8 (*s, safe_strlen (*s), 0, 0); + char *t = utf7_to_utf8 (*s, m_strlen(*s), 0, 0); if (t && !mutt_convert_string (&t, "UTF-8", Charset, 0)) { - FREE (s); + p_delete(s); *s = t; } }