diff options
Diffstat (limited to 'src/GsWidget.cxx')
| -rw-r--r-- | src/GsWidget.cxx | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/src/GsWidget.cxx b/src/GsWidget.cxx index 79f1083..dbf7340 100644 --- a/src/GsWidget.cxx +++ b/src/GsWidget.cxx @@ -285,7 +285,8 @@ int GsWidget::fd_copy(int to, int from, size_t len) { } void GsWidget::exec_gs() { - char *argv[16]; + const char * const argv[] = {"gs", "-dSAFER", "-dQUIET", + "-sDEVICE=x11alpha", "-dNOPLATFONTS", "-dNOPAUSE", "-", NULL}; char gvenv[256]; int d_null = open("/dev/null", O_WRONLY); @@ -295,15 +296,10 @@ void GsWidget::exec_gs() { (int) fl_xid(window()), (int) offscreen); putenv(gvenv); - argv[0] = "gs"; - argv[1] = "-dSAFER"; - argv[2] = "-dQUIET"; - argv[3] = "-sDEVICE=x11alpha"; - argv[4] = "-dNOPLATFONTS"; - argv[5] = "-dNOPAUSE"; - argv[6] = "-"; - argv[7] = NULL; - execvp(argv[0], argv); + + // const cast is necessary because of execvp declaration, see: + // http://www.opengroup.org/onlinepubs/000095399/functions/exec.html + execvp(argv[0], const_cast<char * const *>(argv)); perror("exec"); fprintf(stderr, "Please install ghostscript and make sure 'gs' " "is in the PATH.\n"); |