diff options
Diffstat (limited to 'converter/ppm/pjtoppm.c')
| -rw-r--r-- | converter/ppm/pjtoppm.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/converter/ppm/pjtoppm.c b/converter/ppm/pjtoppm.c index b8b94f74..cd558855 100644 --- a/converter/ppm/pjtoppm.c +++ b/converter/ppm/pjtoppm.c @@ -10,6 +10,8 @@ ** implied warranty. */ +#include <stdbool.h> + #include "ppm.h" #include "pm_c_util.h" #include "mallocvar.h" @@ -54,6 +56,7 @@ main(int argc, const char ** argv) { int *imlen; FILE * ifP; int mode; + bool modeIsSet; int argn; unsigned char bf[3]; pixel * pixrow; @@ -74,6 +77,7 @@ main(int argc, const char ** argv) { row = 0; /* initial value */ plane = 0; /* initial value */ + modeIsSet = false; /* initial value */ while ((c = fgetc(ifP)) != -1) { if (c != '\033') @@ -145,6 +149,7 @@ main(int argc, const char ** argv) { if (val != 0 && val != 1) pm_error("unimplemented trasmission mode %d", val); mode = val; + modeIsSet = true; break; case 'V': /* send plane */ case 'W': /* send last plane */ @@ -214,6 +219,10 @@ main(int argc, const char ** argv) { } /* switch */ } pm_close(ifP); + + if (!modeIsSet) + pm_error("Input does not contain a 'bM' transmission mode order"); + rows = row; if (mode == 1) { int const newcols = 10240; /* It could not be larger that that! */ |