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-rw-r--r--tools/gen-bout/gen-bout.cpp30
-rw-r--r--tools/klee-replay/file-creator.c18
-rw-r--r--tools/klee-replay/klee-replay.c42
3 files changed, 42 insertions, 48 deletions
diff --git a/tools/gen-bout/gen-bout.cpp b/tools/gen-bout/gen-bout.cpp
index 477c302b..f6f11f2a 100644
--- a/tools/gen-bout/gen-bout.cpp
+++ b/tools/gen-bout/gen-bout.cpp
@@ -49,23 +49,15 @@ static void push_range(KTest *b, const char *name, unsigned value) {
 
 void print_usage_and_exit(char *program_name) {
   fprintf(stderr,
-          "%s: Tool for generating a ktest file from concrete input, "
-          "e.g., for using a concrete crashing input as a ktest seed.\n"
-          "Usage: %s <arguments>\n"
-          "       <arguments> are the command-line arguments of the "
-          "program, with the following treated as special:\n"
-          "       --bout-file <filename>      - Specifying the output "
-          "file name for the ktest file (default: file.bout).\n"
-          "       --sym-stdin <filename>      - Specifying a file that "
-          "is the content of stdin (only once).\n"
-          "       --sym-stdout <filename>     - Specifying a file that "
-          "is the content of stdout (only once).\n"
-          "       --sym-file <filename>       - Specifying a file that "
-          "is the content of a file named A provided for the program "
-          "(only once).\n"
-          "   Ex: %s -o -p -q file1 --sym-stdin file2 --sym-file file3 "
-          "--sym-stdout file4\n",
-          program_name, program_name, program_name);
+    "%s: Tool for generating a ktest file from concrete input, e.g., for using a concrete crashing input as a ktest seed.\n"
+    "Usage: %s <arguments>\n"
+    "       <arguments> are the command-line arguments of the program, with the following treated as special:\n"
+    "       --bout-file <filename>      - Specifying the output file name for the ktest file (default: file.bout).\n"
+    "       --sym-stdin <filename>      - Specifying a file that is the content of stdin (only once).\n"
+    "       --sym-stdout <filename>     - Specifying a file that is the content of stdout (only once).\n"
+    "       --sym-file <filename>       - Specifying a file that is the content of a file named A provided for the program (only once).\n"
+    "   Ex: %s -o -p -q file1 --sym-stdin file2 --sym-file file3 --sym-stdout file4\n",
+    program_name, program_name, program_name);
   exit(1);
 }
 
@@ -163,7 +155,7 @@ int main(int argc, char *argv[]) {
 
     unsigned char *file_content, *fptr;
     if ((file_content = (unsigned char *)malloc(nbytes)) == NULL) {
-      fprintf(stderr, "Memory allocation failure\n");
+      fputs("Memory allocation failure\n", stderr);
       exit(1);
     }
 
@@ -204,7 +196,7 @@ int main(int argc, char *argv[]) {
 
     unsigned char *file_content, *fptr;
     if ((file_content = (unsigned char *)malloc(file_stat.st_size)) == NULL) {
-      fprintf(stderr, "Memory allocation failure\n");
+      fputs("Memory allocation failure\n", stderr);
       exit(1);
     }
 
diff --git a/tools/klee-replay/file-creator.c b/tools/klee-replay/file-creator.c
index a41e02e2..f843a1eb 100644
--- a/tools/klee-replay/file-creator.c
+++ b/tools/klee-replay/file-creator.c
@@ -148,7 +148,7 @@ static int create_char_dev(const char *fname, exe_disk_file_t *dfile,
     }
 
     if (symlink(name, fname) == -1) {
-      fprintf(stderr, "KLEE-REPLAY: ERROR: unable to create sym link to tty\n");
+      fputs("KLEE-REPLAY: ERROR: unable to create sym link to tty\n", stderr);
       perror("symlink");
     }
 
@@ -162,7 +162,7 @@ static int create_char_dev(const char *fname, exe_disk_file_t *dfile,
     } else if (pid == 0) {
       close(amaster);
 
-      fprintf(stderr, "KLEE-REPLAY: NOTE: pty slave: setting raw mode\n");
+      fputs("KLEE-REPLAY: NOTE: pty slave: setting raw mode\n", stderr);
       {
         struct termios mode;
 
@@ -185,14 +185,14 @@ static int create_char_dev(const char *fname, exe_disk_file_t *dfile,
     } else {
       unsigned pos = 0;
       int status;
-      fprintf(stderr, "KLEE-REPLAY: NOTE: pty master: starting\n");
+      fputs("KLEE-REPLAY: NOTE: pty master: starting\n", stderr);
       close(aslave);
 
       while (pos < flen) {
         ssize_t res = write(amaster, &contents[pos], flen - pos);
         if (res<0) {
           if (errno != EINTR) {
-            fprintf(stderr, "KLEE-REPLAY: NOTE: pty master: write error\n");
+            fputs("KLEE-REPLAY: NOTE: pty master: write error\n", stderr);
             perror("errno");
             break;
           }
@@ -205,7 +205,7 @@ static int create_char_dev(const char *fname, exe_disk_file_t *dfile,
       if (wait_for_timeout_or_exit(pid, "pty master", &status))
         goto pty_exit;
 
-      fprintf(stderr, "KLEE-REPLAY: NOTE: pty master: closing & waiting\n");
+      fputs("KLEE-REPLAY: NOTE: pty master: closing & waiting\n", stderr);
       close(amaster);
       while (1) {
         pid_t res = waitpid(pid, &status, 0);
@@ -219,7 +219,7 @@ static int create_char_dev(const char *fname, exe_disk_file_t *dfile,
 
     pty_exit:
       close(amaster);
-      fprintf(stderr, "KLEE-REPLAY: NOTE: pty master: done\n");
+      fputs("KLEE-REPLAY: NOTE: pty master: done\n", stderr);
       process_status(status, 0, "PTY MASTER");
     }
   }
@@ -250,7 +250,7 @@ static int create_pipe(const char *fname, exe_disk_file_t *dfile,
   } else {
     unsigned pos = 0;
     int status;
-    fprintf(stderr, "KLEE-REPLAY: NOTE: pipe master: starting\n");
+    fputs("KLEE-REPLAY: NOTE: pipe master: starting\n", stderr);
     close(fds[0]);
 
     while (pos < flen) {
@@ -266,7 +266,7 @@ static int create_pipe(const char *fname, exe_disk_file_t *dfile,
     if (wait_for_timeout_or_exit(pid, "pipe master", &status))
       goto pipe_exit;
 
-    fprintf(stderr, "KLEE-REPLAY: NOTE: pipe master: closing & waiting\n");
+    fputs("KLEE-REPLAY: NOTE: pipe master: closing & waiting\n", stderr);
     close(fds[1]);
     while (1) {
       pid_t res = waitpid(pid, &status, 0);
@@ -280,7 +280,7 @@ static int create_pipe(const char *fname, exe_disk_file_t *dfile,
 
   pipe_exit:
     close(fds[1]);
-    fprintf(stderr, "KLEE-REPLAY: NOTE: pipe master: done\n");
+    fputs("KLEE-REPLAY: NOTE: pipe master: done\n", stderr);
     process_status(status, 0, "PTY MASTER");
   }
 }
diff --git a/tools/klee-replay/klee-replay.c b/tools/klee-replay/klee-replay.c
index 456c477d..1d35079f 100644
--- a/tools/klee-replay/klee-replay.c
+++ b/tools/klee-replay/klee-replay.c
@@ -53,10 +53,10 @@ static struct option long_options[] = {
 };
 
 static void stop_monitored(int process) {
-  fprintf(stderr, "KLEE-REPLAY: NOTE: TIMEOUT: ATTEMPTING GDB EXIT\n");
+  fputs("KLEE-REPLAY: NOTE: TIMEOUT: ATTEMPTING GDB EXIT\n", stderr);
   int pid = fork();
   if (pid < 0) {
-    fprintf(stderr, "KLEE-REPLAY: ERROR: gdb_exit: fork failed\n");
+    fputs("KLEE-REPLAY: ERROR: gdb_exit: fork failed\n", stderr);
   } else if (pid == 0) {
     /* Run gdb in a child process. */
     const char *gdbargs[] = {
@@ -75,11 +75,11 @@ static void stop_monitored(int process) {
     /* Make sure gdb doesn't talk to the user */
     close(0);
 
-    fprintf(stderr, "KLEE-REPLAY: NOTE: RUNNING GDB: ");
+    fputs("KLEE-REPLAY: NOTE: RUNNING GDB: ", stderr);
     unsigned i;
     for (i = 0; i != 5; ++i)
       fprintf(stderr, "%s ", gdbargs[i]);
-    fprintf(stderr, "\n");
+    fputc('\n', stderr);
 
     execvp(gdbargs[0], (char * const *) gdbargs);
     perror("execvp");
@@ -252,7 +252,7 @@ void ensure_capsyschroot(const char *executable) {
   cap_get_flag(caps, CAP_SYS_CHROOT, CAP_PERMITTED, &chroot_permitted);
   cap_get_flag(caps, CAP_SYS_CHROOT, CAP_EFFECTIVE, &chroot_effective);
   if (chroot_permitted != CAP_SET || chroot_effective != CAP_SET) {
-    fprintf(stderr, "KLEE-REPLAY: ERROR: chroot: No CAP_SYS_CHROOT capability.\n");
+    fputs("KLEE-REPLAY: ERROR: chroot: No CAP_SYS_CHROOT capability.\n", stderr);
     exit(1);
   }
   cap_free(caps);
@@ -260,14 +260,16 @@ void ensure_capsyschroot(const char *executable) {
 #endif
 
 static void usage(void) {
-  fprintf(stderr, "Usage: %s [option]... <executable> <ktest-file>...\n", progname);
-  fprintf(stderr, "   or: %s --create-files-only <ktest-file>\n", progname);
-  fprintf(stderr, "\n");
-  fprintf(stderr, "-r, --chroot-to-dir=DIR  use chroot jail, requires CAP_SYS_CHROOT\n");
-  fprintf(stderr, "-k, --keep-replay-dir    do not delete replay directory\n");
-  fprintf(stderr, "-h, --help               display this help and exit\n");
-  fprintf(stderr, "\n");
-  fprintf(stderr, "Use KLEE_REPLAY_TIMEOUT environment variable to set a timeout (in seconds).\n");
+  fprintf(stderr,
+    "Usage: %s [option]... <executable> <ktest-file>...\n"
+    "   or: %s --create-files-only <ktest-file>\n"
+    "\n"
+    "-r, --chroot-to-dir=DIR  use chroot jail, requires CAP_SYS_CHROOT\n"
+    "-k, --keep-replay-dir    do not delete replay directory\n"
+    "-h, --help               display this help and exit\n"
+    "\n"
+    "Use KLEE_REPLAY_TIMEOUT environment variable to set a timeout (in seconds).\n",
+    progname, progname);
   exit(1);
 }
 
@@ -331,7 +333,7 @@ int main(int argc, char** argv) {
 
   /* rootdir should be a prefix of executable's path. */
   if (rootdir && strstr(executable, rootdir) != executable) {
-    fprintf(stderr, "KLEE-REPLAY: ERROR: chroot: root dir should be a parent dir of executable.\n");
+    fputs("KLEE-REPLAY: ERROR: chroot: root dir should be a parent dir of executable.\n", stderr);
     exit(1);
   }
 
@@ -361,15 +363,15 @@ int main(int argc, char** argv) {
     prg_argv[0] = argv[optind];
     klee_init_env(&prg_argc, &prg_argv);
     if (idx > 2)
-      fprintf(stderr, "\n");
-    fprintf(stderr, "KLEE-REPLAY: NOTE: Test file: %s\n", input_fname);
-    fprintf(stderr, "KLEE-REPLAY: NOTE: Arguments: ");
+      fputc('\n', stderr);
+    fprintf(stderr, "KLEE-REPLAY: NOTE: Test file: %s\n"
+                    "KLEE-REPLAY: NOTE: Arguments: ", input_fname);
     for (i=0; i != (unsigned) prg_argc; ++i) {
       char *s = prg_argv[i];
       if (s[0]=='A' && s[1] && !s[2]) s[1] = '\0';
       fprintf(stderr, "\"%s\" ", prg_argv[i]);
     }
-    fprintf(stderr, "\n");
+    fputc('\n', stderr);
 
     /* Create the input files, pipes, etc. */
     replay_create_files(&__exe_fs);
@@ -431,7 +433,7 @@ void klee_warning_once(char *name) {
 
 unsigned klee_assume(uintptr_t x) {
   if (!x) {
-    fprintf(stderr, "KLEE-REPLAY: klee_assume(0)!\n");
+    fputs("KLEE-REPLAY: klee_assume(0)!\n", stderr);
   }
   return 0;
 }
@@ -482,7 +484,7 @@ int klee_range(int start, int end, const char* name) {
   int r;
 
   if (start >= end) {
-    fprintf(stderr, "KLEE-REPLAY: ERROR: klee_range: invalid range\n");
+    fputs("KLEE-REPLAY: ERROR: klee_range: invalid range\n", stderr);
     exit(1);
   }