0.20221215: check return value jpeg_read_coefficients

Author: zvezdochiot

src/idct.c

@@ -23,6 +23,8 @@
 
 #include "idct.h"
 
+static JSAMPLE range_limit_static[11 * CENTERJSAMPLE];
+
 void range_limit_init()
 {
     int i, c = CENTERJSAMPLE, m = c * 2;

src/idct.h

@@ -43,8 +43,6 @@ static const char jpeg_natural_order[DCTSIZE2] =
     53, 60, 61, 54, 47, 55, 62, 63
 };
 
-static JSAMPLE range_limit_static[11 * CENTERJSAMPLE];
-
 #define CONST_BITS  13
 #define PASS1_BITS  2
 

src/jpegqs.c

@@ -147,6 +147,10 @@ int main(int argc, char **argv)
 
     (void) jpeg_read_header(&srcinfo, TRUE);
     src_coef_arrays = jpeg_read_coefficients(&srcinfo);
+    if (src_coef_arrays == NULL) {
+        logfmt("%s: can't read coefficients\n", progname);
+        return 1;
+    }
     logfmt("Options: border = %f, gain = %f, scale = %f, niter = %d\n", jqsparams.border, jqsparams.gain, jqsparams.scale, jqsparams.niter);
     do_quantsmooth(&srcinfo, src_coef_arrays, jqsparams);
 

src/jpegqs.h

@@ -79,7 +79,6 @@ static inline int64_t get_time_usec()
 
 #include "idct.h"
 
-static float ALIGN(32) quantsmooth_tables[DCTSIZE2][3*DCTSIZE2 + DCTSIZE];
 void quantsmooth_init(JQS_PARAMS jqsparams);
 
 // When compiling with libjpeg-turbo and static linking, you can use

src/libjpegqs.c

@@ -19,6 +19,8 @@
 
 #include "jpegqs.h"
 
+static float ALIGN(32) quantsmooth_tables[DCTSIZE2][3*DCTSIZE2 + DCTSIZE];
+
 void quantsmooth_init(JQS_PARAMS jqsparams)
 {
     int i, l0, l1, x, y, p0, p1;