diff --git a/src/parallel_io.c b/src/parallel_io.c
index 710bd73548d4b99cdc4efe7c2116944889a3a9f1..81c70ab43dacda82fa349b854af799feac6cb758 100644
--- a/src/parallel_io.c
+++ b/src/parallel_io.c
@@ -119,9 +119,7 @@ void readArray_chunk(hid_t h_data, hid_t h_plist_id,
   /* Using HDF5 dataspaces would be better */
   const hid_t h_err = H5Dread(h_data, io_hdf5_type(props.type), h_memspace,
                               h_filespace, h_plist_id, temp);
-  if (h_err < 0) {
-    error("Error while reading data array '%s'.", props.name);
-  }
+  if (h_err < 0) error("Error while reading data array '%s'.", props.name);
 
   /* Unit conversion if necessary */
   const double factor =
@@ -387,10 +385,9 @@ void writeArray_chunk(struct engine* e, hid_t h_data,
 
   /* Create data space */
   const hid_t h_memspace = H5Screate(H5S_SIMPLE);
-  if (h_memspace < 0) {
+  if (h_memspace < 0)
     error("Error while creating data space (memory) for field '%s'.",
           props.name);
-  }
 
   int rank;
   hsize_t shape[2];
@@ -411,19 +408,17 @@ void writeArray_chunk(struct engine* e, hid_t h_data,
 
   /* Change shape of memory data space */
   hid_t h_err = H5Sset_extent_simple(h_memspace, rank, shape, NULL);
-  if (h_err < 0) {
+  if (h_err < 0)
     error("Error while changing data space (memory) shape for field '%s'.",
           props.name);
-  }
 
   /* Select the hyper-salb corresponding to this rank */
   hid_t h_filespace = H5Dget_space(h_data);
-  if (N > 0) {
+  if (N > 0)
     H5Sselect_hyperslab(h_filespace, H5S_SELECT_SET, offsets, NULL, shape,
                         NULL);
-  } else {
+  else
     H5Sselect_none(h_filespace);
-  }
 
 /* message("Writing %lld '%s', %zd elements = %zd bytes (int=%d) at offset
  * %zd", N, props.name, N * props.dimension, N * props.dimension * typeSize, */
@@ -437,9 +432,7 @@ void writeArray_chunk(struct engine* e, hid_t h_data,
   /* Write temporary buffer to HDF5 dataspace */
   h_err = H5Dwrite(h_data, io_hdf5_type(props.type), h_memspace, h_filespace,
                    H5P_DEFAULT, temp);
-  if (h_err < 0) {
-    error("Error while writing data array '%s'.", props.name);
-  }
+  if (h_err < 0) error("Error while writing data array '%s'.", props.name);
 
 #ifdef IO_SPEED_MEASUREMENT
   MPI_Barrier(MPI_COMM_WORLD);
@@ -590,9 +583,7 @@ void read_ic_parallel(char* fileName, const struct unit_system* internal_units,
   hid_t h_plist_id = H5Pcreate(H5P_FILE_ACCESS);
   H5Pset_fapl_mpio(h_plist_id, comm, info);
   h_file = H5Fopen(fileName, H5F_ACC_RDONLY, h_plist_id);
-  if (h_file < 0) {
-    error("Error while opening file '%s'.", fileName);
-  }
+  if (h_file < 0) error("Error while opening file '%s'.", fileName);
 
   /* Open header to read simulation properties */
   /* message("Reading runtime parameters..."); */
@@ -651,8 +642,7 @@ void read_ic_parallel(char* fileName, const struct unit_system* internal_units,
   }
 
   /* message("Found %lld particles in a %speriodic box of size [%f %f %f].", */
-  /* 	  N_total[0], (periodic ? "": "non-"), dim[0], */
-  /* 	  dim[1], dim[2]); */
+  /* 	  N_total[0], (periodic ? "": "non-"), dim[0], dim[1], dim[2]); */
 
   /* Divide the particles among the tasks. */
   for (int ptype = 0; ptype < swift_type_count; ++ptype) {
@@ -752,9 +742,8 @@ void read_ic_parallel(char* fileName, const struct unit_system* internal_units,
     snprintf(partTypeGroupName, PARTICLE_GROUP_BUFFER_SIZE, "/PartType%d",
              ptype);
     h_grp = H5Gopen(h_file, partTypeGroupName, H5P_DEFAULT);
-    if (h_grp < 0) {
+    if (h_grp < 0)
       error("Error while opening particle group %s.", partTypeGroupName);
-    }
 
     int num_fields = 0;
     struct io_props list[100];
@@ -1167,9 +1156,7 @@ void write_output_parallel(struct engine* e, const char* baseName,
 
   /* Open HDF5 file with the chosen parameters */
   hid_t h_file = H5Fopen(fileName, H5F_ACC_RDWR, plist_id);
-  if (h_file < 0) {
-    error("Error while opening file '%s'.", fileName);
-  }
+  if (h_file < 0) error("Error while opening file '%s'.", fileName);
 
 #ifdef IO_SPEED_MEASUREMENT
   MPI_Barrier(MPI_COMM_WORLD);
diff --git a/src/serial_io.c b/src/serial_io.c
index 4579ce27e7f3e591bf3c5e6bab6e7eedd5f6fefa..a0a773534c06f6ad63ed56758a8b1f216aa5610d 100644
--- a/src/serial_io.c
+++ b/src/serial_io.c
@@ -137,9 +137,7 @@ void readArray(hid_t grp, const struct io_props props, size_t N,
   /* Using HDF5 dataspaces would be better */
   const hid_t h_err = H5Dread(h_data, io_hdf5_type(props.type), h_memspace,
                               h_filespace, H5P_DEFAULT, temp);
-  if (h_err < 0) {
-    error("Error while reading data array '%s'.", props.name);
-  }
+  if (h_err < 0) error("Error while reading data array '%s'.", props.name);
 
   /* Unit conversion if necessary */
   const double factor =
@@ -198,9 +196,8 @@ void prepareArray(const struct engine* e, hid_t grp, char* fileName,
 
   /* Create data space */
   const hid_t h_space = H5Screate(H5S_SIMPLE);
-  if (h_space < 0) {
+  if (h_space < 0)
     error("Error while creating data space for field '%s'.", props.name);
-  }
 
   int rank = 0;
   hsize_t shape[2];
@@ -224,19 +221,17 @@ void prepareArray(const struct engine* e, hid_t grp, char* fileName,
 
   /* Change shape of data space */
   hid_t h_err = H5Sset_extent_simple(h_space, rank, shape, shape);
-  if (h_err < 0) {
+  if (h_err < 0)
     error("Error while changing data space shape for field '%s'.", props.name);
-  }
 
   /* Dataset properties */
   const hid_t h_prop = H5Pcreate(H5P_DATASET_CREATE);
 
   /* Set chunk size */
   h_err = H5Pset_chunk(h_prop, rank, chunk_shape);
-  if (h_err < 0) {
+  if (h_err < 0)
     error("Error while setting chunk size (%llu, %llu) for field '%s'.",
           chunk_shape[0], chunk_shape[1], props.name);
-  }
 
   /* Impose data compression */
   if (e->snapshot_compression > 0) {
@@ -254,9 +249,7 @@ void prepareArray(const struct engine* e, hid_t grp, char* fileName,
   /* Create dataset */
   const hid_t h_data = H5Dcreate(grp, props.name, io_hdf5_type(props.type),
                                  h_space, H5P_DEFAULT, h_prop, H5P_DEFAULT);
-  if (h_data < 0) {
-    error("Error while creating dataspace '%s'.", props.name);
-  }
+  if (h_data < 0) error("Error while creating dataspace '%s'.", props.name);
 
   /* Write XMF description for this data set */
   xmf_write_line(xmfFile, fileName, partTypeGroupName, props.name, N_total,
@@ -497,10 +490,7 @@ void read_ic_serial(char* fileName, const struct unit_system* internal_units,
     }
 
     /* message("Found %lld particles in a %speriodic box of size [%f %f %f].",
-     */
-    /* 	    N_total, (periodic ? "": "non-"), dim[0], dim[1], dim[2]); */
-
-    fflush(stdout);
+       N_total, (periodic ? "": "non-"), dim[0], dim[1], dim[2]); */
 
     /* Close header */
     H5Gclose(h_grp);
@@ -618,9 +608,8 @@ void read_ic_serial(char* fileName, const struct unit_system* internal_units,
         snprintf(partTypeGroupName, PARTICLE_GROUP_BUFFER_SIZE, "/PartType%d",
                  ptype);
         h_grp = H5Gopen(h_file, partTypeGroupName, H5P_DEFAULT);
-        if (h_grp < 0) {
+        if (h_grp < 0)
           error("Error while opening particle group %s.", partTypeGroupName);
-        }
 
         int num_fields = 0;
         struct io_props list[100];
@@ -777,9 +766,7 @@ void write_output_serial(struct engine* e, const char* baseName,
     /* Open file */
     /* message("Opening file '%s'.", fileName); */
     h_file = H5Fcreate(fileName, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
-    if (h_file < 0) {
-      error("Error while opening file '%s'.", fileName);
-    }
+    if (h_file < 0) error("Error while opening file '%s'.", fileName);
 
     /* Open header to write simulation properties */
     /* message("Writing runtime parameters..."); */
@@ -933,9 +920,7 @@ void write_output_serial(struct engine* e, const char* baseName,
                ptype);
       h_grp = H5Gcreate(h_file, partTypeGroupName, H5P_DEFAULT, H5P_DEFAULT,
                         H5P_DEFAULT);
-      if (h_grp < 0) {
-        error("Error while creating particle group.\n");
-      }
+      if (h_grp < 0) error("Error while creating particle group.\n");
 
       /* Close particle group */
       H5Gclose(h_grp);
@@ -972,9 +957,8 @@ void write_output_serial(struct engine* e, const char* baseName,
         snprintf(partTypeGroupName, PARTICLE_GROUP_BUFFER_SIZE, "/PartType%d",
                  ptype);
         h_grp = H5Gopen(h_file, partTypeGroupName, H5P_DEFAULT);
-        if (h_grp < 0) {
+        if (h_grp < 0)
           error("Error while opening particle group %s.", partTypeGroupName);
-        }
 
         int num_fields = 0;
         struct io_props list[100];
diff --git a/src/single_io.c b/src/single_io.c
index 889334b73641d7d06f1b6773569c52328138f320..f6619d7c7fda1a7ceaae6b0f3437d421faed0b4d 100644
--- a/src/single_io.c
+++ b/src/single_io.c
@@ -102,9 +102,7 @@ void readArray(hid_t h_grp, const struct io_props prop, size_t N,
 
   /* Open data space */
   const hid_t h_data = H5Dopen(h_grp, prop.name, H5P_DEFAULT);
-  if (h_data < 0) {
-    error("Error while opening data space '%s'.", prop.name);
-  }
+  if (h_data < 0) error("Error while opening data space '%s'.", prop.name);
 
   /* Allocate temporary buffer */
   void* temp = malloc(num_elements * typeSize);
@@ -115,9 +113,7 @@ void readArray(hid_t h_grp, const struct io_props prop, size_t N,
   /* Using HDF5 dataspaces would be better */
   const hid_t h_err = H5Dread(h_data, io_hdf5_type(prop.type), H5S_ALL, H5S_ALL,
                               H5P_DEFAULT, temp);
-  if (h_err < 0) {
-    error("Error while reading data array '%s'.", prop.name);
-  }
+  if (h_err < 0) error("Error while reading data array '%s'.", prop.name);
 
   /* Unit conversion if necessary */
   const double unit_factor =
@@ -205,12 +201,12 @@ void writeArray(const struct engine* e, hid_t grp, char* fileName,
 
   /* Create data space */
   const hid_t h_space = H5Screate(H5S_SIMPLE);
+  if (h_space < 0)
+    error("Error while creating data space for field '%s'.", props.name);
+
   int rank;
   hsize_t shape[2];
   hsize_t chunk_shape[2];
-  if (h_space < 0) {
-    error("Error while creating data space for field '%s'.", props.name);
-  }
 
   if (props.dimension > 1) {
     rank = 2;
@@ -231,19 +227,17 @@ void writeArray(const struct engine* e, hid_t grp, char* fileName,
 
   /* Change shape of data space */
   hid_t h_err = H5Sset_extent_simple(h_space, rank, shape, shape);
-  if (h_err < 0) {
+  if (h_err < 0)
     error("Error while changing data space shape for field '%s'.", props.name);
-  }
 
   /* Dataset properties */
   const hid_t h_prop = H5Pcreate(H5P_DATASET_CREATE);
 
   /* Set chunk size */
   h_err = H5Pset_chunk(h_prop, rank, chunk_shape);
-  if (h_err < 0) {
+  if (h_err < 0)
     error("Error while setting chunk size (%llu, %llu) for field '%s'.",
           chunk_shape[0], chunk_shape[1], props.name);
-  }
 
   /* Impose data compression */
   if (e->snapshot_compression > 0) {
@@ -261,16 +255,12 @@ void writeArray(const struct engine* e, hid_t grp, char* fileName,
   /* Create dataset */
   const hid_t h_data = H5Dcreate(grp, props.name, io_hdf5_type(props.type),
                                  h_space, H5P_DEFAULT, h_prop, H5P_DEFAULT);
-  if (h_data < 0) {
-    error("Error while creating dataspace '%s'.", props.name);
-  }
+  if (h_data < 0) error("Error while creating dataspace '%s'.", props.name);
 
   /* Write temporary buffer to HDF5 dataspace */
   h_err = H5Dwrite(h_data, io_hdf5_type(props.type), h_space, H5S_ALL,
                    H5P_DEFAULT, temp);
-  if (h_err < 0) {
-    error("Error while writing data array '%s'.", props.name);
-  }
+  if (h_err < 0) error("Error while writing data array '%s'.", props.name);
 
   /* Write XMF description for this data set */
   xmf_write_line(xmfFile, fileName, partTypeGroupName, props.name, N,
@@ -345,9 +335,7 @@ void read_ic_single(char* fileName, const struct unit_system* internal_units,
   /* Open file */
   /* message("Opening file '%s' as IC.", fileName); */
   h_file = H5Fopen(fileName, H5F_ACC_RDONLY, H5P_DEFAULT);
-  if (h_file < 0) {
-    error("Error while opening file '%s'.", fileName);
-  }
+  if (h_file < 0) error("Error while opening file '%s'.", fileName);
 
   /* Open header to read simulation properties */
   /* message("Reading runtime parameters..."); */
@@ -498,9 +486,8 @@ void read_ic_single(char* fileName, const struct unit_system* internal_units,
     snprintf(partTypeGroupName, PARTICLE_GROUP_BUFFER_SIZE, "/PartType%d",
              ptype);
     h_grp = H5Gopen(h_file, partTypeGroupName, H5P_DEFAULT);
-    if (h_grp < 0) {
+    if (h_grp < 0)
       error("Error while opening particle group %s.", partTypeGroupName);
-    }
 
     int num_fields = 0;
     struct io_props list[100];
@@ -631,9 +618,7 @@ void write_output_single(struct engine* e, const char* baseName,
   /* Open file */
   /* message("Opening file '%s'.", fileName); */
   h_file = H5Fcreate(fileName, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
-  if (h_file < 0) {
-    error("Error while opening file '%s'.", fileName);
-  }
+  if (h_file < 0) error("Error while opening file '%s'.", fileName);
 
   /* Open header to write simulation properties */
   /* message("Writing runtime parameters..."); */
@@ -791,9 +776,7 @@ void write_output_single(struct engine* e, const char* baseName,
              ptype);
     h_grp = H5Gcreate(h_file, partTypeGroupName, H5P_DEFAULT, H5P_DEFAULT,
                       H5P_DEFAULT);
-    if (h_grp < 0) {
-      error("Error while creating particle group.\n");
-    }
+    if (h_grp < 0) error("Error while creating particle group.\n");
 
     int num_fields = 0;
     struct io_props list[100];