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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /docs/nspr/reference/pr_realloc.rst | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'docs/nspr/reference/pr_realloc.rst')
-rw-r--r-- | docs/nspr/reference/pr_realloc.rst | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/docs/nspr/reference/pr_realloc.rst b/docs/nspr/reference/pr_realloc.rst new file mode 100644 index 0000000000..011b389086 --- /dev/null +++ b/docs/nspr/reference/pr_realloc.rst @@ -0,0 +1,43 @@ + +PR_Realloc +========== + +Resizes allocated memory on the heap. + + +Syntax +------ + +.. code:: + + #include <prmem.h> + + void *PR_Realloc ( + void *ptr, + PRUint32 size); + + +Parameters +~~~~~~~~~~ + +``ptr`` + A pointer to the existing memory block being resized. +``size`` + The size of the new memory block. + + +Returns +~~~~~~~ + +An untyped pointer to the allocated memory, or if the allocation attempt +fails, ``NULL``. Call ``PR_GetError()`` to retrieve the error returned +by the libc function ``realloc()``. + + +Description +~~~~~~~~~~~ + +This function attempts to enlarge or shrink the memory block addressed +by ptr to a new size. The contents of the specified memory remains the +same up to the smaller of its old size and new size, although the new +memory block's address can be different from the original address. |