diff options
| -rw-r--r-- | src/common/spawn.cpp | 4 | ||||
| -rw-r--r-- | src/crypto/tree-hash.c | 14 |
2 files changed, 4 insertions, 14 deletions
diff --git a/src/common/spawn.cpp b/src/common/spawn.cpp index e03552f8c..9a7e75d41 100644 --- a/src/common/spawn.cpp +++ b/src/common/spawn.cpp @@ -91,7 +91,7 @@ int spawn(const char *filename, const std::vector<std::string>& args, bool wait) MINFO("Child exited with " << exitCode); return static_cast<int>(exitCode); #else - char **argv = (char**)alloca(sizeof(char*) * (args.size() + 1)); + std::vector<char*> argv(args.size() + 1); for (size_t n = 0; n < args.size(); ++n) argv[n] = (char*)args[n].c_str(); argv[args.size()] = NULL; @@ -109,7 +109,7 @@ int spawn(const char *filename, const std::vector<std::string>& args, bool wait) tools::closefrom(3); close(0); char *envp[] = {NULL}; - execve(filename, argv, envp); + execve(filename, argv.data(), envp); MERROR("Failed to execve: " << strerror(errno)); return -1; } diff --git a/src/crypto/tree-hash.c b/src/crypto/tree-hash.c index b2dc3ffb2..2d9245233 100644 --- a/src/crypto/tree-hash.c +++ b/src/crypto/tree-hash.c @@ -34,15 +34,6 @@ #include "hash-ops.h" -#ifdef _MSC_VER -#include <malloc.h> -#elif !defined(__FreeBSD__) && !defined(__OpenBSD__) && !defined(__DragonFly__) \ - && !defined(__NetBSD__) - #include <alloca.h> -#else - #include <stdlib.h> -#endif - /*** * Round to power of two, for count>=3 and for count being not too large (as reasonable for tree hash calculations) */ @@ -91,9 +82,8 @@ void tree_hash(const char (*hashes)[HASH_SIZE], size_t count, char *root_hash) { size_t cnt = tree_hash_cnt( count ); - char (*ints)[HASH_SIZE]; - size_t ints_size = cnt * HASH_SIZE; - ints = alloca(ints_size); memset( ints , 0 , ints_size); // allocate, and zero out as extra protection for using uninitialized mem + char ints[cnt][HASH_SIZE]; + memset(ints, 0 , sizeof(ints)); // zero out as extra protection for using uninitialized mem memcpy(ints, hashes, (2 * cnt - count) * HASH_SIZE); |