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Workaround of GC crash on Cygwin64

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Patch from <http://www.j10n.org/files/w3m-cvs-1.1055-win64gc.patch>,
[w3m-dev:04469] on 2013-10-14.
This commit is contained in:
AIDA Shinra
2013-10-14 22:31:01 +09:00
committed by Tatsuya Kinoshita
parent dbd52ac2ca
commit ec81194f38
13 changed files with 447 additions and 181 deletions
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63
mimehead.c
View File

@@ -63,13 +63,23 @@ ha2d(char x, char y)
Str
decodeB(char **ww)
{
struct growbuf gb;
growbuf_init(&gb);
decodeB_to_growbuf(&gb, ww);
return growbuf_to_Str(&gb);
}
void
decodeB_to_growbuf(struct growbuf *gb, char **ww)
{
unsigned char c[4];
char *wp = *ww;
char d[3];
int i, n_pad;
Str ap = Strnew_size(strlen(wp));
growbuf_reserve(gb, strlen(wp) + 1);
n_pad = 0;
while (1) {
for (i = 0; i < 4; i++) {
@@ -93,39 +103,50 @@ decodeB(char **ww)
for (i = 0; i < 4; i++) {
c[i] = c2e(c[i]);
if (c[i] == BAD_BASE64) {
*ww = wp;
return ap;
goto last;
}
}
d[0] = ((c[0] << 2) | (c[1] >> 4));
d[1] = ((c[1] << 4) | (c[2] >> 2));
d[2] = ((c[2] << 6) | c[3]);
for (i = 0; i < 3 - n_pad; i++) {
Strcat_char(ap, d[i]);
GROWBUF_ADD_CHAR(gb, d[i]);
}
if (n_pad || *wp == '\0' || *wp == '?')
break;
}
last:
growbuf_reserve(gb, gb->length + 1);
gb->ptr[gb->length] = '\0';
*ww = wp;
return ap;
return;
}
Str
decodeU(char **ww)
{
struct growbuf gb;
growbuf_init(&gb);
decodeU_to_growbuf(&gb, ww);
return growbuf_to_Str(&gb);
}
void
decodeU_to_growbuf(struct growbuf *gb, char **ww)
{
unsigned char c1, c2;
char *w = *ww;
int n, i;
Str a;
if (*w <= 0x20 || *w >= 0x60)
return Strnew_size(0);
return;
n = *w - 0x20;
a = Strnew_size(n);
growbuf_reserve(gb, n + 1);
for (w++, i = 2; *w != '\0' && n; n--) {
c1 = (w[0] - 0x20) % 0x40;
c2 = (w[1] - 0x20) % 0x40;
Strcat_char(a, (c1 << i) | (c2 >> (6 - i)));
gb->ptr[gb->length++] = (c1 << i) | (c2 >> (6 - i));
if (i == 6) {
w += 2;
i = 2;
@@ -135,7 +156,8 @@ decodeU(char **ww)
i += 2;
}
}
return a;
gb->ptr[gb->length] = '\0';
return;
}
/* RFC2047 (4.2. The "Q" encoding) */
@@ -165,9 +187,19 @@ decodeQ(char **ww)
Str
decodeQP(char **ww)
{
char *w = *ww;
Str a = Strnew_size(strlen(w));
struct growbuf gb;
growbuf_init(&gb);
decodeQP_to_growbuf(&gb, ww);
return growbuf_to_Str(&gb);
}
void
decodeQP_to_growbuf(struct growbuf *gb, char **ww)
{
char *w = *ww;
growbuf_reserve(gb, strlen(w) + 1);
for (; *w != '\0'; w++) {
if (*w == '=') {
w++;
@@ -180,15 +212,16 @@ decodeQP(char **ww)
else {
if (*w == '\0' || *(w + 1) == '\0')
break;
Strcat_char(a, ha2d(*w, *(w + 1)));
gb->ptr[gb->length++] = ha2d(*w, *(w + 1));
w++;
}
}
else
Strcat_char(a, *w);
gb->ptr[gb->length++] = *w;
}
gb->ptr[gb->length] = '\0';
*ww = w;
return a;
return;
}
#ifdef USE_M17N