libcamera: Fix clang support patches

Replace alloca with malloc

Allocate size for struct option array was not correct therefore
multiply the value with sizeof(struct option) to account for it

[YOCTO #15449 ]

Signed-off-by: Khem Raj <raj.khem@gmail.com>

2 files changed, 76 insertions, 30 deletions

diff --git a/meta-multimedia/recipes-multimedia/libcamera/libcamera/0001-rpi-Use-alloca-instead-of-variable-length-arrays.patch b/meta-multimedia/recipes-multimedia/libcamera/libcamera/0001-rpi-Use-alloca-instead-of-variable-length-arrays.patch
index a6526d590..c336e9254 100644
--- a/meta-multimedia/recipes-multimedia/libcamera/libcamera/0001-rpi-Use-alloca-instead-of-variable-length-arrays.patch
+++ b/meta-multimedia/recipes-multimedia/libcamera/libcamera/0001-rpi-Use-alloca-instead-of-variable-length-arrays.patch
@@ -1,7 +1,7 @@
-From 7982e55ce3a8b3c60a47258ff7d37d0dd78c303d Mon Sep 17 00:00:00 2001
+From 11cc6dbd45f0880beea64cdc514f57484b90bc39 Mon Sep 17 00:00:00 2001
 From: Khem Raj <raj.khem@gmail.com>
 Date: Tue, 20 Feb 2024 18:44:23 -0800
-Subject: [PATCH] rpi: Use alloca instead of variable length arrays
+Subject: [PATCH] rpi: Use malloc instead of variable length arrays
 
 Clang-18+ diagnoses this as error
 
@@ -10,12 +10,14 @@ Clang-18+ diagnoses this as error
 
 Upstream-Status: Submitted [https://lists.libcamera.org/pipermail/libcamera-devel/2024-February/040529.html]
 Signed-off-by: Khem Raj <raj.khem@gmail.com>
+
+s
 ---
- src/ipa/rpi/controller/rpi/alsc.cpp | 4 ++--
- 1 file changed, 2 insertions(+), 2 deletions(-)
+ src/ipa/rpi/controller/rpi/alsc.cpp | 7 +++++--
+ 1 file changed, 5 insertions(+), 2 deletions(-)
 
 diff --git a/src/ipa/rpi/controller/rpi/alsc.cpp b/src/ipa/rpi/controller/rpi/alsc.cpp
-index 8a205c60..8c0ae8eb 100644
+index 8a205c60..a7d42614 100644
 --- a/src/ipa/rpi/controller/rpi/alsc.cpp
 +++ b/src/ipa/rpi/controller/rpi/alsc.cpp
 @@ -496,8 +496,8 @@ void resampleCalTable(const Array2D<double> &calTableIn,
@@ -24,11 +26,18 @@ index 8a205c60..8c0ae8eb 100644
          */
 -       int xLo[X], xHi[X];
 -       double xf[X];
-+       int *xLo = (int*)alloca(X), *xHi = (int*)alloca(X);
-+       double *xf = (double*)alloca(X);
++       int *xLo = (int*)malloc(X), *xHi = (int*)malloc(X);
++       double *xf = (double*)malloc(X);
         double scaleX = cameraMode.sensorWidth /
                         (cameraMode.width * cameraMode.scaleX);
         double xOff = cameraMode.cropX / (double)cameraMode.sensorWidth;
--- 
-2.43.2
-
+@@ -539,6 +539,9 @@ void resampleCalTable(const Array2D<double> &calTableIn,
+                        *(out++) = above * (1 - yf) + below * yf;
+                }
+        }
++       free(xf);
++       free(xHi);
++       free(xLo);
+ }
+ 
+ /* Calculate chrominance statistics (R/G and B/G) for each region. */
diff --git a/meta-multimedia/recipes-multimedia/libcamera/libcamera/0002-options-Replace-use-of-VLAs-in-C.patch b/meta-multimedia/recipes-multimedia/libcamera/libcamera/0002-options-Replace-use-of-VLAs-in-C.patch
index 95f321782..473820653 100644
--- a/meta-multimedia/recipes-multimedia/libcamera/libcamera/0002-options-Replace-use-of-VLAs-in-C.patch
+++ b/meta-multimedia/recipes-multimedia/libcamera/libcamera/0002-options-Replace-use-of-VLAs-in-C.patch
@@ -1,7 +1,7 @@
-From c80d273a57547aec9353d888aa316bf6560cf1ba Mon Sep 17 00:00:00 2001
+From 6e4736180fcaffdb06acf52fd3eb50ba5baa3d2a Mon Sep 17 00:00:00 2001
 From: Khem Raj <raj.khem@gmail.com>
 Date: Wed, 31 Jan 2024 21:04:28 -0800
-Subject: [PATCH 2/2] options: Replace use of VLAs in C++
+Subject: [PATCH] options: Replace use of VLAs in C++
 
 Clang++ 18 is fussy about this with new warning checks.
 
@@ -14,12 +14,12 @@ Therefore replace using VLAs with alloca and malloc/free
 Upstream-Status: Submitted [https://lists.libcamera.org/pipermail/libcamera-devel/2024-February/040381.html]
 Signed-off-by: Khem Raj <raj.khem@gmail.com>
 ---
- src/apps/common/options.cpp      |  4 ++--
- src/libcamera/ipc_unixsocket.cpp | 12 ++++++++----
- 2 files changed, 10 insertions(+), 6 deletions(-)
+ src/apps/common/options.cpp      | 12 ++++++++++--
+ src/libcamera/ipc_unixsocket.cpp | 13 +++++++++----
+ 2 files changed, 19 insertions(+), 6 deletions(-)
 
 diff --git a/src/apps/common/options.cpp b/src/apps/common/options.cpp
-index 4f7e8691..b020f603 100644
+index 4f7e8691..3656f3c1 100644
 --- a/src/apps/common/options.cpp
 +++ b/src/apps/common/options.cpp
 @@ -879,8 +879,8 @@ OptionsParser::Options OptionsParser::parse(int argc, char **argv)
@@ -28,16 +28,56 @@ index 4f7e8691..b020f603 100644
          */
 -       char shortOptions[optionsMap_.size() * 3 + 2];
 -       struct option longOptions[optionsMap_.size() + 1];
-+       char *shortOptions = (char*)alloca(optionsMap_.size() * 3 + 2);
-+       struct option *longOptions = (struct option*)alloca(optionsMap_.size() + 1);
++       char *shortOptions = (char*)malloc(optionsMap_.size() * 3 + 2);
++       struct option *longOptions = (struct option*)malloc(sizeof(struct option) * (optionsMap_.size() + 1));
         unsigned int ids = 0;
         unsigned int idl = 0;
  
+@@ -935,12 +935,16 @@ OptionsParser::Options OptionsParser::parse(int argc, char **argv)
+                        std::cerr << argv[optind - 1] << std::endl;
+ 
+                        usage();
++                       free(shortOptions);
++                       free(longOptions);
+                        return options;
+                }
+ 
+                const Option &option = *optionsMap_[c];
+                if (!parseValue(option, optarg, &options)) {
+                        usage();
++                       free(shortOptions);
++                       free(longOptions);
+                        return options;
+                }
+        }
+@@ -949,10 +953,14 @@ OptionsParser::Options OptionsParser::parse(int argc, char **argv)
+                std::cerr << "Invalid non-option argument '" << argv[optind]
+                          << "'" << std::endl;
+                usage();
++               free(shortOptions);
++               free(longOptions);
+                return options;
+        }
+ 
+        options.valid_ = true;
++       free(shortOptions);
++       free(longOptions);
+        return options;
+ }
+ 
 diff --git a/src/libcamera/ipc_unixsocket.cpp b/src/libcamera/ipc_unixsocket.cpp
-index 1980d374..3a7f8ee6 100644
+index 1980d374..3bd861cb 100644
 --- a/src/libcamera/ipc_unixsocket.cpp
 +++ b/src/libcamera/ipc_unixsocket.cpp
-@@ -247,8 +247,8 @@ int IPCUnixSocket::sendData(const void *buffer, size_t length,
+@@ -8,6 +8,7 @@
+ #include "libcamera/internal/ipc_unixsocket.h"
+ 
+ #include <array>
++#include <cstdint>
+ #include <poll.h>
+ #include <string.h>
+ #include <sys/socket.h>
+@@ -247,8 +248,8 @@ int IPCUnixSocket::sendData(const void *buffer, size_t length,
         iov[0].iov_base = const_cast<void *>(buffer);
         iov[0].iov_len = length;
  
@@ -48,19 +88,19 @@ index 1980d374..3a7f8ee6 100644
  
         struct cmsghdr *cmsg = (struct cmsghdr *)buf;
         cmsg->cmsg_len = CMSG_LEN(num * sizeof(uint32_t));
-@@ -270,9 +270,11 @@ int IPCUnixSocket::sendData(const void *buffer, size_t length,
+@@ -270,9 +271,11 @@ int IPCUnixSocket::sendData(const void *buffer, size_t length,
                 int ret = -errno;
                 LOG(IPCUnixSocket, Error)
                         << "Failed to sendmsg: " << strerror(-ret);
-+    free(buf);
++               free(buf);
                 return ret;
         }
  
-+  free(buf);
++       free(buf);
         return 0;
  }
  
-@@ -283,8 +285,8 @@ int IPCUnixSocket::recvData(void *buffer, size_t length,
+@@ -283,8 +286,8 @@ int IPCUnixSocket::recvData(void *buffer, size_t length,
         iov[0].iov_base = buffer;
         iov[0].iov_len = length;
  
@@ -71,21 +111,18 @@ index 1980d374..3a7f8ee6 100644
  
         struct cmsghdr *cmsg = (struct cmsghdr *)buf;
         cmsg->cmsg_len = CMSG_LEN(num * sizeof(uint32_t));
-@@ -305,12 +307,14 @@ int IPCUnixSocket::recvData(void *buffer, size_t length,
+@@ -305,12 +308,14 @@ int IPCUnixSocket::recvData(void *buffer, size_t length,
                 if (ret != -EAGAIN)
                         LOG(IPCUnixSocket, Error)
                                 << "Failed to recvmsg: " << strerror(-ret);
-+    free(buf);
++               free(buf);
                 return ret;
         }
  
         if (fds)
                 memcpy(fds, CMSG_DATA(cmsg), num * sizeof(uint32_t));
  
-+  free(buf);
++       free(buf);
         return 0;
  }
  
--- 
-2.43.0
-