35   auto *ss = reinterpret_cast<StringStream *>(cookie);  in write_ss()  local
36   if (ss->offset + size > ss->bufsize)  in write_ss()
37     ss->buf =  in write_ss()
38         reinterpret_cast<char *>(realloc(ss->buf, (ss->offset + size) * 2));  in write_ss()
39   for (size_t i = 0; i < size; ++i, ss->offset += 1)  in write_ss()
40     ss->buf[ss->offset] = buf[i];  in write_ss()
41   if (ss->offset > ss->endpos)  in write_ss()
42     ss->endpos = ss->offset;  in write_ss()
47   auto *ss = reinterpret_cast<StringStream *>(cookie);  in read_ss()  local
49   if (ss->offset + size > ss->endpos) {  in read_ss()
51     copysize = ss->endpos - ss->offset;  in read_ss()
55   for (size_t i = 0; i < size_t(copysize); ++i, ++ss->offset)  in read_ss()
56     buf[i] = ss->buf[ss->offset];  in read_ss()
61   auto *ss = reinterpret_cast<StringStream *>(cookie);  in seek_ss()  local
66     new_offset = *offset + ss->offset;  in seek_ss()
68     new_offset = *offset + ss->endpos;  in seek_ss()
73   if (new_offset < 0 || size_t(new_offset) > ss->bufsize)  in seek_ss()
75   ss->offset = new_offset;  in seek_ss()
81   auto *ss = reinterpret_cast<StringStream *>(cookie);  in close_ss()  local
82   free(ss->buf);  in close_ss()
83   ss->buf = nullptr;  in close_ss()
84   ss->bufsize = ss->endpos = ss->offset = 0;  in close_ss()
93   auto *ss = reinterpret_cast<StringStream *>(malloc(sizeof(StringStream)));  in TEST()  local
94   ss->buf = reinterpret_cast<char *>(malloc(sizeof(CONTENT)));  in TEST()
95   ss->bufsize = sizeof(CONTENT);  in TEST()
96   ss->offset = 0;  in TEST()
97   ss->endpos = ss->bufsize;  in TEST()
99     ss->buf[i] = CONTENT[i];  in TEST()
101   ::FILE *f = __llvm_libc::fopencookie(ss, "r", STRING_STREAM_FUNCS);  in TEST()
124   free(ss);  in TEST()
129   auto *ss = reinterpret_cast<StringStream *>(malloc(sizeof(StringStream)));  in TEST()  local
130   ss->buf = reinterpret_cast<char *>(malloc(INIT_BUFSIZE));  in TEST()
131   ss->bufsize = INIT_BUFSIZE;  in TEST()
132   ss->offset = 0;  in TEST()
133   ss->endpos = 0;  in TEST()
135   ::FILE *f = __llvm_libc::fopencookie(ss, "w", STRING_STREAM_FUNCS);  in TEST()
143   ASSERT_STREQ(WRITE_DATA, ss->buf);  in TEST()
157   free(ss);  in TEST()
163   auto *ss = reinterpret_cast<StringStream *>(malloc(sizeof(StringStream)));  in TEST()  local
164   ss->buf = reinterpret_cast<char *>(malloc(sizeof(INITIAL_CONTENT)));  in TEST()
165   ss->bufsize = sizeof(INITIAL_CONTENT);  in TEST()
166   ss->offset = ss->bufsize; // We want to open the file in append mode.  in TEST()
167   ss->endpos = ss->bufsize;  in TEST()
169     ss->buf[i] = INITIAL_CONTENT[i];  in TEST()
171   ::FILE *f = __llvm_libc::fopencookie(ss, "a", STRING_STREAM_FUNCS);  in TEST()
188   EXPECT_EQ(ss->endpos, sizeof(WRITE_DATA) + sizeof(INITIAL_CONTENT));  in TEST()
191   free(ss);  in TEST()
196   auto *ss = reinterpret_cast<StringStream *>(malloc(sizeof(StringStream)));  in TEST()  local
197   ss->buf = reinterpret_cast<char *>(malloc(sizeof(INITIAL_CONTENT)));  in TEST()
198   ss->bufsize = sizeof(INITIAL_CONTENT);  in TEST()
199   ss->offset = 0;  in TEST()
200   ss->endpos = ss->bufsize;  in TEST()
202     ss->buf[i] = INITIAL_CONTENT[i];  in TEST()
204   ::FILE *f = __llvm_libc::fopencookie(ss, "r+", STRING_STREAM_FUNCS);  in TEST()
219   EXPECT_STREQ(ss->buf, WRITE_DATA);  in TEST()
222   free(ss);  in TEST()
227   auto *ss = reinterpret_cast<StringStream *>(malloc(sizeof(StringStream)));  in TEST()  local
228   ss->buf = reinterpret_cast<char *>(malloc(sizeof(WRITE_DATA)));  in TEST()
229   ss->bufsize = sizeof(WRITE_DATA);  in TEST()
230   ss->offset = 0;  in TEST()
231   ss->endpos = 0;  in TEST()
233   ::FILE *f = __llvm_libc::fopencookie(ss, "w+", STRING_STREAM_FUNCS);  in TEST()
247   free(ss);  in TEST()