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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
commit2aa4a82499d4becd2284cdb482213d541b8804dd (patch)
treeb80bf8bf13c3766139fbacc530efd0dd9d54394c /other-licenses/7zstub/src/C/7zBuf2.c
parentInitial commit. (diff)
downloadfirefox-2aa4a82499d4becd2284cdb482213d541b8804dd.tar.xz
firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.zip
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'other-licenses/7zstub/src/C/7zBuf2.c')
-rw-r--r--other-licenses/7zstub/src/C/7zBuf2.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/C/7zBuf2.c b/other-licenses/7zstub/src/C/7zBuf2.c
new file mode 100644
index 0000000000..49b4343b67
--- /dev/null
+++ b/other-licenses/7zstub/src/C/7zBuf2.c
@@ -0,0 +1,52 @@
+/* 7zBuf2.c -- Byte Buffer
+2017-04-03 : Igor Pavlov : Public domain */
+
+#include "Precomp.h"
+
+#include <string.h>
+
+#include "7zBuf.h"
+
+void DynBuf_Construct(CDynBuf *p)
+{
+ p->data = 0;
+ p->size = 0;
+ p->pos = 0;
+}
+
+void DynBuf_SeekToBeg(CDynBuf *p)
+{
+ p->pos = 0;
+}
+
+int DynBuf_Write(CDynBuf *p, const Byte *buf, size_t size, ISzAllocPtr alloc)
+{
+ if (size > p->size - p->pos)
+ {
+ size_t newSize = p->pos + size;
+ Byte *data;
+ newSize += newSize / 4;
+ data = (Byte *)ISzAlloc_Alloc(alloc, newSize);
+ if (!data)
+ return 0;
+ p->size = newSize;
+ if (p->pos != 0)
+ memcpy(data, p->data, p->pos);
+ ISzAlloc_Free(alloc, p->data);
+ p->data = data;
+ }
+ if (size != 0)
+ {
+ memcpy(p->data + p->pos, buf, size);
+ p->pos += size;
+ }
+ return 1;
+}
+
+void DynBuf_Free(CDynBuf *p, ISzAllocPtr alloc)
+{
+ ISzAlloc_Free(alloc, p->data);
+ p->data = 0;
+ p->size = 0;
+ p->pos = 0;
+}