diff --git a/cjpeg.c b/cjpeg.c
index 0d45193..713224f 100644
--- a/cjpeg.c
+++ b/cjpeg.c
@@ -140,7 +140,7 @@
 
 static const char *progname;    /* program name for error messages */
 static char *outfilename;       /* for -outfile switch */
-boolean memdst;  /* for -memdst switch */
+boolean memdst;                 /* for -memdst switch */
 
 
 LOCAL(void)
diff --git a/djpeg.c b/djpeg.c
index 6de5d2c..ce83104 100644
--- a/djpeg.c
+++ b/djpeg.c
@@ -90,7 +90,7 @@
 
 static const char *progname;    /* program name for error messages */
 static char *outfilename;       /* for -outfile switch */
-boolean memsrc;  /* for -memsrc switch */
+boolean memsrc;                 /* for -memsrc switch */
 boolean strip, skip;
 JDIMENSION startY, endY;
 #define INPUT_BUF_SIZE  4096
diff --git a/jcdctmgr.c b/jcdctmgr.c
index f3919b9..aef8517 100644
--- a/jcdctmgr.c
+++ b/jcdctmgr.c
@@ -265,8 +265,8 @@
       dtbl = fdct->divisors[qtblno];
       for (i = 0; i < DCTSIZE2; i++) {
 #if BITS_IN_JSAMPLE == 8
-        if(!compute_reciprocal(qtbl->quantval[i] << 3, &dtbl[i])
-          && fdct->quantize == jsimd_quantize)
+        if (!compute_reciprocal(qtbl->quantval[i] << 3, &dtbl[i]) &&
+            fdct->quantize == jsimd_quantize)
           fdct->quantize = quantize;
 #else
         dtbl[i] = ((DCTELEM) qtbl->quantval[i]) << 3;
@@ -305,11 +305,11 @@
         dtbl = fdct->divisors[qtblno];
         for (i = 0; i < DCTSIZE2; i++) {
 #if BITS_IN_JSAMPLE == 8
-          if(!compute_reciprocal(
-            DESCALE(MULTIPLY16V16((JLONG) qtbl->quantval[i],
-                                  (JLONG) aanscales[i]),
-                    CONST_BITS-3), &dtbl[i])
-            && fdct->quantize == jsimd_quantize)
+          if (!compute_reciprocal(
+                DESCALE(MULTIPLY16V16((JLONG) qtbl->quantval[i],
+                                      (JLONG) aanscales[i]),
+                        CONST_BITS-3), &dtbl[i]) &&
+              fdct->quantize == jsimd_quantize)
             fdct->quantize = quantize;
 #else
            dtbl[i] = (DCTELEM)
diff --git a/jcmaster.c b/jcmaster.c
index e715f0b..d1e1ba7 100644
--- a/jcmaster.c
+++ b/jcmaster.c
@@ -603,7 +603,7 @@
     cinfo->num_scans = 1;
   }
 
-  if (cinfo->progressive_mode && !cinfo->arith_code)    /*  TEMPORARY HACK ??? */
+  if (cinfo->progressive_mode && !cinfo->arith_code)  /*  TEMPORARY HACK ??? */
     cinfo->optimize_coding = TRUE; /* assume default tables no good for progressive mode */
 
   /* Initialize my private state */
diff --git a/jdarith.c b/jdarith.c
index 905412b..98d5fad 100644
--- a/jdarith.c
+++ b/jdarith.c
@@ -203,13 +203,13 @@
   /* Re-initialize statistics areas */
   for (ci = 0; ci < cinfo->comps_in_scan; ci++) {
     compptr = cinfo->cur_comp_info[ci];
-    if (! cinfo->progressive_mode || (cinfo->Ss == 0 && cinfo->Ah == 0)) {
+    if (!cinfo->progressive_mode || (cinfo->Ss == 0 && cinfo->Ah == 0)) {
       MEMZERO(entropy->dc_stats[compptr->dc_tbl_no], DC_STAT_BINS);
       /* Reset DC predictions to 0 */
       entropy->last_dc_val[ci] = 0;
       entropy->dc_context[ci] = 0;
     }
-    if (! cinfo->progressive_mode || cinfo->Ss) {
+    if (!cinfo->progressive_mode || cinfo->Ss) {
       MEMZERO(entropy->ac_stats[compptr->ac_tbl_no], AC_STAT_BINS);
     }
   }
@@ -694,7 +694,7 @@
   /* Allocate & initialize requested statistics areas */
   for (ci = 0; ci < cinfo->comps_in_scan; ci++) {
     compptr = cinfo->cur_comp_info[ci];
-    if (! cinfo->progressive_mode || (cinfo->Ss == 0 && cinfo->Ah == 0)) {
+    if (!cinfo->progressive_mode || (cinfo->Ss == 0 && cinfo->Ah == 0)) {
       tbl = compptr->dc_tbl_no;
       if (tbl < 0 || tbl >= NUM_ARITH_TBLS)
         ERREXIT1(cinfo, JERR_NO_ARITH_TABLE, tbl);
@@ -706,7 +706,7 @@
       entropy->last_dc_val[ci] = 0;
       entropy->dc_context[ci] = 0;
     }
-    if (! cinfo->progressive_mode || cinfo->Ss) {
+    if (!cinfo->progressive_mode || cinfo->Ss) {
       tbl = compptr->ac_tbl_no;
       if (tbl < 0 || tbl >= NUM_ARITH_TBLS)
         ERREXIT1(cinfo, JERR_NO_ARITH_TABLE, tbl);