Don't use color escapes when printing backtraces to a non-TTY file

diff --git a/src/libstrongswan/utils/backtrace.c b/src/libstrongswan/utils/backtrace.c
index 0b66832338a033566c1a3877ef0ff10ed1cefec0..226237362c2fd567fbb7b2b44965097cd6a982a9 100644 (file)
--- a/src/libstrongswan/utils/backtrace.c
+++ b/src/libstrongswan/utils/backtrace.c
@@ -178,13 +178,18 @@ static void find_addr(bfd *abfd, asection *section, bfd_find_data_t *data)
                                                fprintf(data->file, "    -> ");
                                                if (function)
                                                {
-                                                       fprintf(data->file, "\e[34m%s() ", function);
+                                                       fprintf(data->file, "%s%s() ",
+                                                               tty_escape_get(fileno(data->file), TTY_FG_BLUE),
+                                                               function);
                                                }
                                                if (source)
                                                {
-                                                       fprintf(data->file, "\e[32m@ %s:%d", source, line);
+                                                       fprintf(data->file, "%s@ %s:%d",
+                                                               tty_escape_get(fileno(data->file), TTY_FG_GREEN),
+                                                               source, line);
                                                }
-                                               fprintf(data->file, "\e[0m\n");
+                                               fprintf(data->file, "%s\n",
+                                                       tty_escape_get(fileno(data->file), TTY_FG_DEF));
                                        }
                                }
                        }
@@ -304,7 +309,7 @@ static void print_sourceline(FILE *file, char *filename, void *ptr)
        output = popen(cmd, "r");
        if (output)
        {
-               fprintf(file, "    -> \e[32m");
+               fprintf(file, "    -> %s", tty_escape_get(fileno(file), TTY_FG_GREEN));
                while (TRUE)
                {
                        c = getc(output);
@@ -315,7 +320,7 @@ static void print_sourceline(FILE *file, char *filename, void *ptr)
                        fputc(c, file);
                }
                pclose(output);
-               fprintf(file, "\e[0m\n");
+               fprintf(file, "%s\n", tty_escape_get(fileno(file), TTY_FG_DEF));
        }
 }
 
@@ -353,14 +358,19 @@ METHOD(backtrace_t, log_, void,
                        }
                        if (info.dli_sname)
                        {
-                               fprintf(file, "  \e[33m%s\e[0m @ %p (\e[31m%s\e[0m+0x%tx) [%p]\n",
-                                               info.dli_fname, info.dli_fbase, info.dli_sname,
-                                               this->frames[i] - info.dli_saddr, this->frames[i]);
+                               fprintf(file, "  %s%s%s @ %p (%s%s%s+0x%tx) [%p]\n",
+                                       tty_escape_get(fileno(file), TTY_FG_YELLOW), info.dli_fname,
+                                       tty_escape_get(fileno(file), TTY_FG_DEF), info.dli_fbase,
+                                       tty_escape_get(fileno(file), TTY_FG_RED), info.dli_sname,
+                                       tty_escape_get(fileno(file), TTY_FG_DEF),
+                                       this->frames[i] - info.dli_saddr, this->frames[i]);
                        }
                        else
                        {
-                               fprintf(file, "  \e[33m%s\e[0m @ %p [%p]\n", info.dli_fname,
-                                               info.dli_fbase, this->frames[i]);
+                               fprintf(file, "  %s%s%s @ %p [%p]\n",
+                                       tty_escape_get(fileno(file), TTY_FG_YELLOW), info.dli_fname,
+                                       tty_escape_get(fileno(file), TTY_FG_DEF), info.dli_fbase,
+                                       this->frames[i]);
                        }
                        if (detailed)
                        {
@@ -516,4 +526,3 @@ void backtrace_dump(char *label, FILE *file, bool detailed)
        backtrace->log(backtrace, file, detailed);
        backtrace->destroy(backtrace);
 }
-