mock pwd.h

setup_wasi.sh

@@ -6,5 +6,5 @@ mv libgit2-1.7.1 libgit2
 rm libgit2.tar.gz
 rm libgit2/src/libgit2/transports/http.c
 rm libgit2/src/libgit2/streams/socket.c
-rm libgit2/src/libgit2/sysdir.c
+
 cp -r libgit2patchedfiles/examples/* libgit2/examples/

wasibuild/build.sh

@@ -7,6 +7,7 @@ if [ "$1" == "Release" ]; then
     EXTRA_CMAKE_C_FLAGS="-Oz"
 fi
 
+clang --target=wasm32-wasi --sysroot=wasi-sdk-20.0/share/wasi-sysroot -D_WASI_EMULATED_MMAN -Iwasi_mocks -c wasi_mocks/pwd.c -o wasi_mocks/pwd.o
 cmake -DCMAKE_TOOLCHAIN_FILE=`pwd`/wasi_toolchain.cmake -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DCMAKE_C_FLAGS="$EXTRA_CMAKE_C_FLAGS" -DREGEX_BACKEND=regcomp -DSONAME=OFF -DUSE_HTTPS=OFF -DBUILD_SHARED_LIBS=OFF -DUSE_THREADS=OFF -DUSE_SSH=OFF -DBUILD_CLAR=OFF -DBUILD_EXAMPLES=ON ../libgit2
 make lg2
 

wasibuild/wasi_mocks/.gitignore

@@ -0,0 +1 @@
+*.o

wasibuild/wasi_mocks/pwd.c

@@ -0,0 +1,31 @@
+#include <sys/types.h>
+#include <stddef.h>
+
+// Mock structure similar to 'struct passwd' in pwd.h
+struct passwd {
+    char *pw_name;   // user's name
+    char *pw_passwd; // user's password
+    uid_t pw_uid;    // user's user ID
+    gid_t pw_gid;    // user's group ID
+    char *pw_gecos;  // user's real name
+    char *pw_dir;    // user's home directory
+    char *pw_shell;  // user's shell program
+};
+
+// Mock function similar to 'getpwnam' in pwd.h
+struct passwd *getpwnam(const char *name) {
+    static struct passwd mock_user;
+
+    // Hardcoded user information
+    mock_user.pw_name = "mockuser";
+    mock_user.pw_passwd = "mockpassword";
+    mock_user.pw_uid = 1000;
+    mock_user.pw_gid = 1000;
+    mock_user.pw_gecos = "Mock User";
+    mock_user.pw_dir = "/home/mockuser";
+    mock_user.pw_shell = "/bin/sh";
+
+    return &mock_user;
+}
+
+// ... other mock functions as needed ...

wasibuild/wasi_mocks/pwd.h

@@ -0,0 +1,20 @@
+#ifndef MOCK_PWD_H
+#define MOCK_PWD_H
+
+#include <sys/types.h>
+
+// Mock structure similar to 'struct passwd' in pwd.h
+struct passwd {
+    char *pw_name;   // user's name
+    char *pw_passwd; // user's password
+    uid_t pw_uid;    // user's user ID
+    gid_t pw_gid;    // user's group ID
+    char *pw_gecos;  // user's real name
+    char *pw_dir;    // user's home directory
+    char *pw_shell;  // user's shell program
+};
+
+// Mock function declaration
+struct passwd *getpwnam(const char *name);
+
+#endif // MOCK_PWD_H

wasibuild/wasi_toolchain.cmake

@@ -1,7 +1,7 @@
 SET(CMAKE_C_COMPILER   clang)
 SET(CMAKE_FIND_ROOT_PATH ${CMAKE_CURRENT_LIST_DIR}/wasi-sdk-20.0/share/wasi-sysroot/)
 SET(CMAKE_SYSROOT ${CMAKE_CURRENT_LIST_DIR}/wasi-sdk-20.0/share/wasi-sysroot/)
-set(CMAKE_C_FLAGS "--target=wasm32-wasi -D_WASI_EMULATED_MMAN -lwasi-emulated-mman ${CMAKE_C_FLAGS}")
+set(CMAKE_C_FLAGS "--target=wasm32-wasi -I${CMAKE_CURRENT_LIST_DIR}/wasi_mocks -D_WASI_EMULATED_MMAN -lwasi-emulated-mman ${CMAKE_C_FLAGS}")
 
 set(CMAKE_C_STANDARD_INCLUDE_DIRECTORIES "${CMAKE_SYSROOT}/include")