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functrace: Output colors only when stdout is a tty

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AnotherTest 2020-06-08 11:49:30 +04:30 • committed by Andreas Kling
parent 2714bba3f0
commit 0fe3b0dbaf
1 changed files with 6 additions and 2 deletions
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8
Userland/functrace.cpp
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@ -48,6 +48,7 @@
#include <unistd.h> #include <unistd.h>
OwnPtr<DebugSession> g_debug_session; OwnPtr<DebugSession> g_debug_session;
static bool g_should_output_color = false;
static void handle_sigint(int) static void handle_sigint(int)
{ {
@ -70,8 +71,8 @@ void print_syscall(PtraceRegisters& regs, size_t depth)
for (size_t i = 0; i < depth; ++i) { for (size_t i = 0; i < depth; ++i) {
printf(" "); printf(" ");
} }
const char* begin_color = "\033[34;1m"; const char* begin_color = g_should_output_color ? "\033[34;1m" : "";
const char* end_color = "\033[0m"; const char* end_color = g_should_output_color ? "\033[0m" : "";
printf("=> %sSC_%s(0x%x, 0x%x, 0x%x)%s\n", printf("=> %sSC_%s(0x%x, 0x%x, 0x%x)%s\n",
begin_color, begin_color,
Syscall::to_string( Syscall::to_string(
@ -115,6 +116,9 @@ int main(int argc, char** argv)
return 1; return 1;
} }
if (isatty(STDOUT_FILENO))
g_should_output_color = true;
const char* command = nullptr; const char* command = nullptr;
Core::ArgsParser args_parser; Core::ArgsParser args_parser;
args_parser.add_positional_argument(command, args_parser.add_positional_argument(command,