simplify using utils::strdup()

src/fix.cpp

@@ -42,21 +42,15 @@ Fix::Fix(LAMMPS *lmp, int /*narg*/, char **arg) :
   // fix ID, group, and style
   // ID must be all alphanumeric chars or underscores
 
-  int n = strlen(arg[0]) + 1;
-  id = new char[n];
-  strcpy(id,arg[0]);
-
-  for (int i = 0; i < n-1; i++)
-    if (!isalnum(id[i]) && id[i] != '_')
-      error->all(FLERR,"Fix ID must be alphanumeric or underscore characters");
+  id = utils::strdup(arg[0]);
+  if (!utils::is_id(id))
+    error->all(FLERR,"Fix ID must be alphanumeric or underscore characters");
 
   igroup = group->find(arg[1]);
   if (igroup == -1) error->all(FLERR,"Could not find fix group ID");
   groupbit = group->bitmask[igroup];
 
-  n = strlen(arg[2]) + 1;
-  style = new char[n];
-  strcpy(style,arg[2]);
+  style = utils::strdup(arg[2]);
 
   restart_global = restart_peratom = restart_file = 0;
   force_reneighbor = 0;

src/fix_ave_chunk.cpp

@@ -57,9 +57,7 @@ FixAveChunk::FixAveChunk(LAMMPS *lmp, int narg, char **arg) :
   nrepeat = utils::inumeric(FLERR,arg[4],false,lmp);
   nfreq = utils::inumeric(FLERR,arg[5],false,lmp);
 
-  int n = strlen(arg[6]) + 1;
-  idchunk = new char[n];
-  strcpy(idchunk,arg[6]);
+  idchunk = utils::strdup(arg[6]);
 
   global_freq = nfreq;
   no_change_box = 1;
@@ -190,9 +188,7 @@ FixAveChunk::FixAveChunk(LAMMPS *lmp, int narg, char **arg) :
       if (iarg+2 > narg)
         error->all(FLERR,"Illegal fix ave/chunk command");
       biasflag = 1;
-      int n = strlen(arg[iarg+1]) + 1;
-      id_bias = new char[n];
-      strcpy(id_bias,arg[iarg+1]);
+      id_bias = utils::strdup(arg[iarg+1]);
       iarg += 2;
     } else if (strcmp(arg[iarg],"adof") == 0) {
       if (iarg+2 > narg)
@@ -220,31 +216,23 @@ FixAveChunk::FixAveChunk(LAMMPS *lmp, int narg, char **arg) :
     } else if (strcmp(arg[iarg],"format") == 0) {
       if (iarg+2 > narg) error->all(FLERR,"Illegal fix ave/chunk command");
       delete [] format_user;
-      int n = strlen(arg[iarg+1]) + 2;
-      format_user = new char[n];
-      sprintf(format_user," %s",arg[iarg+1]);
+      format_user = utils::strdup(arg[iarg+1]);
       format = format_user;
       iarg += 2;
     } else if (strcmp(arg[iarg],"title1") == 0) {
       if (iarg+2 > narg) error->all(FLERR,"Illegal fix ave/chunk command");
       delete [] title1;
-      int n = strlen(arg[iarg+1]) + 1;
-      title1 = new char[n];
-      strcpy(title1,arg[iarg+1]);
+      title1 = utils::strdup(arg[iarg+1]);
       iarg += 2;
     } else if (strcmp(arg[iarg],"title2") == 0) {
       if (iarg+2 > narg) error->all(FLERR,"Illegal fix ave/chunk command");
       delete [] title2;
-      int n = strlen(arg[iarg+1]) + 1;
-      title2 = new char[n];
-      strcpy(title2,arg[iarg+1]);
+      title2 = utils::strdup(arg[iarg+1]);
       iarg += 2;
     } else if (strcmp(arg[iarg],"title3") == 0) {
       if (iarg+2 > narg) error->all(FLERR,"Illegal fix ave/chunk command");
       delete [] title3;
-      int n = strlen(arg[iarg+1]) + 1;
-      title3 = new char[n];
-      strcpy(title3,arg[iarg+1]);
+      title3 = utils::strdup(arg[iarg+1]);
       iarg += 2;
     } else error->all(FLERR,"Illegal fix ave/chunk command");
   }

src/fix_ave_correlate.cpp

@@ -139,23 +139,17 @@ FixAveCorrelate::FixAveCorrelate(LAMMPS * lmp, int narg, char **arg):
     } else if (strcmp(arg[iarg],"title1") == 0) {
       if (iarg+2 > narg) error->all(FLERR,"Illegal fix ave/correlate command");
       delete [] title1;
-      int n = strlen(arg[iarg+1]) + 1;
-      title1 = new char[n];
-      strcpy(title1,arg[iarg+1]);
+      title1 = utils::strdup(arg[iarg+1]);
       iarg += 2;
     } else if (strcmp(arg[iarg],"title2") == 0) {
       if (iarg+2 > narg) error->all(FLERR,"Illegal fix ave/correlate command");
       delete [] title2;
-      int n = strlen(arg[iarg+1]) + 1;
-      title2 = new char[n];
-      strcpy(title2,arg[iarg+1]);
+      title2 = utils::strdup(arg[iarg+1]);
       iarg += 2;
     } else if (strcmp(arg[iarg],"title3") == 0) {
       if (iarg+2 > narg) error->all(FLERR,"Illegal fix ave/correlate command");
       delete [] title3;
-      int n = strlen(arg[iarg+1]) + 1;
-      title3 = new char[n];
-      strcpy(title3,arg[iarg+1]);
+      title3 = utils::strdup(arg[iarg+1]);
       iarg += 2;
     } else error->all(FLERR,"Illegal fix ave/correlate command");
   }

src/fix_ave_histo.cpp

@@ -993,23 +993,17 @@ void FixAveHisto::options(int iarg, int narg, char **arg)
     } else if (strcmp(arg[iarg],"title1") == 0) {
       if (iarg+2 > narg) error->all(FLERR,"Illegal fix ave/histo command");
       delete [] title1;
-      int n = strlen(arg[iarg+1]) + 1;
-      title1 = new char[n];
-      strcpy(title1,arg[iarg+1]);
+      title1 = utils::strdup(arg[iarg+1]);
       iarg += 2;
     } else if (strcmp(arg[iarg],"title2") == 0) {
       if (iarg+2 > narg) error->all(FLERR,"Illegal fix ave/histo command");
       delete [] title2;
-      int n = strlen(arg[iarg+1]) + 1;
-      title2 = new char[n];
-      strcpy(title2,arg[iarg+1]);
+      title2 = utils::strdup(arg[iarg+1]);
       iarg += 2;
     } else if (strcmp(arg[iarg],"title3") == 0) {
       if (iarg+2 > narg) error->all(FLERR,"Illegal fix ave/histo command");
       delete [] title3;
-      int n = strlen(arg[iarg+1]) + 1;
-      title3 = new char[n];
-      strcpy(title3,arg[iarg+1]);
+      title3 = utils::strdup(arg[iarg+1]);
       iarg += 2;
     } else error->all(FLERR,"Illegal fix ave/histo command");
   }

src/fix_ave_time.cpp

@@ -1067,31 +1067,23 @@ void FixAveTime::options(int iarg, int narg, char **arg)
     } else if (strcmp(arg[iarg],"format") == 0) {
       if (iarg+2 > narg) error->all(FLERR,"Illegal fix ave/time command");
       delete [] format_user;
-      int n = strlen(arg[iarg+1]) + 2;
-      format_user = new char[n];
-      sprintf(format_user," %s",arg[iarg+1]);
+      format_user = utils::strdup(arg[iarg+1]);
       format = format_user;
       iarg += 2;
     } else if (strcmp(arg[iarg],"title1") == 0) {
       if (iarg+2 > narg) error->all(FLERR,"Illegal fix ave/spatial command");
       delete [] title1;
-      int n = strlen(arg[iarg+1]) + 1;
-      title1 = new char[n];
-      strcpy(title1,arg[iarg+1]);
+      title1 = utils::strdup(arg[iarg+1]);
       iarg += 2;
     } else if (strcmp(arg[iarg],"title2") == 0) {
       if (iarg+2 > narg) error->all(FLERR,"Illegal fix ave/spatial command");
       delete [] title2;
-      int n = strlen(arg[iarg+1]) + 1;
-      title2 = new char[n];
-      strcpy(title2,arg[iarg+1]);
+      title2 = utils::strdup(arg[iarg+1]);
       iarg += 2;
     } else if (strcmp(arg[iarg],"title3") == 0) {
       if (iarg+2 > narg) error->all(FLERR,"Illegal fix ave/spatial command");
       delete [] title3;
-      int n = strlen(arg[iarg+1]) + 1;
-      title3 = new char[n];
-      strcpy(title3,arg[iarg+1]);
+      title3 = utils::strdup(arg[iarg+1]);
       iarg += 2;
     } else error->all(FLERR,"Illegal fix ave/time command");
   }

src/fix_box_relax.cpp

@@ -761,9 +761,7 @@ int FixBoxRelax::modify_param(int narg, char **arg)
       tflag = 0;
     }
     delete [] id_temp;
-    int n = strlen(arg[1]) + 1;
-    id_temp = new char[n];
-    strcpy(id_temp,arg[1]);
+    id_temp = utils::strdup(arg[1]);
 
     int icompute = modify->find_compute(arg[1]);
     if (icompute < 0)
@@ -792,9 +790,7 @@ int FixBoxRelax::modify_param(int narg, char **arg)
       pflag = 0;
     }
     delete [] id_press;
-    int n = strlen(arg[1]) + 1;
-    id_press = new char[n];
-    strcpy(id_press,arg[1]);
+    id_press = utils::strdup(arg[1]);
 
     int icompute = modify->find_compute(arg[1]);
     if (icompute < 0) error->all(FLERR,"Could not find fix_modify pressure ID");

src/fix_controller.cpp

@@ -67,9 +67,7 @@ FixController::FixController(LAMMPS *lmp, int narg, char **arg) :
 
   // control variable arg
 
-  int n = strlen(arg[iarg]) + 1;
-  cvID = new char[n];
-  strcpy(cvID,arg[iarg]);
+  cvID = utils::strdup(arg[iarg]);
 
   // error check
 

src/fix_deform.cpp

@@ -126,12 +126,8 @@ rfix(nullptr), irregular(nullptr), set(nullptr)
           error->all(FLERR,"Illegal fix deform command");
         delete [] set[index].hstr;
         delete [] set[index].hratestr;
-        int n = strlen(&arg[iarg+2][2]) + 1;
-        set[index].hstr = new char[n];
-        strcpy(set[index].hstr,&arg[iarg+2][2]);
-        n = strlen(&arg[iarg+3][2]) + 1;
-        set[index].hratestr = new char[n];
-        strcpy(set[index].hratestr,&arg[iarg+3][2]);
+        set[index].hstr = utils::strdup(&arg[iarg+2][2]);
+        set[index].hratestr = utils::strdup(&arg[iarg+3][2]);
         iarg += 4;
       } else error->all(FLERR,"Illegal fix deform command");
 
@@ -188,12 +184,8 @@ rfix(nullptr), irregular(nullptr), set(nullptr)
           error->all(FLERR,"Illegal fix deform command");
         delete [] set[index].hstr;
         delete [] set[index].hratestr;
-        int n = strlen(&arg[iarg+2][2]) + 1;
-        set[index].hstr = new char[n];
-        strcpy(set[index].hstr,&arg[iarg+2][2]);
-        n = strlen(&arg[iarg+3][2]) + 1;
-        set[index].hratestr = new char[n];
-        strcpy(set[index].hratestr,&arg[iarg+3][2]);
+        set[index].hstr = utils::strdup(&arg[iarg+2][2]);
+        set[index].hratestr = utils::strdup(&arg[iarg+3][2]);
         iarg += 4;
       } else error->all(FLERR,"Illegal fix deform command");
 

src/fix_group.cpp

@@ -39,12 +39,9 @@ idregion(nullptr), idvar(nullptr), idprop(nullptr)
   // dgroupbit = bitmask of dynamic group
   // group ID is last part of fix ID
 
-  int n = strlen(id) - strlen("GROUP_") + 1;
-  char *dgroup = new char[n];
-  strcpy(dgroup,&id[strlen("GROUP_")]);
-  gbit = group->bitmask[group->find(dgroup)];
-  gbitinverse = group->inversemask[group->find(dgroup)];
-  delete [] dgroup;
+  auto dgroupid = std::string(id).substr(strlen("GROUP_"));
+  gbit = group->bitmask[group->find(dgroupid)];
+  gbitinverse = group->inversemask[group->find(dgroupid)];
 
   // process optional args
 
@@ -61,9 +58,7 @@ idregion(nullptr), idvar(nullptr), idprop(nullptr)
         error->all(FLERR,"Region ID for group dynamic does not exist");
       regionflag = 1;
       delete [] idregion;
-      int n = strlen(arg[iarg+1]) + 1;
-      idregion = new char[n];
-      strcpy(idregion,arg[iarg+1]);
+      idregion = utils::strdup(arg[iarg+1]);
       iarg += 2;
     } else if (strcmp(arg[iarg],"var") == 0) {
       if (iarg+2 > narg) error->all(FLERR,"Illegal group command");
@@ -71,9 +66,7 @@ idregion(nullptr), idvar(nullptr), idprop(nullptr)
         error->all(FLERR,"Variable name for group dynamic does not exist");
       varflag = 1;
       delete [] idvar;
-      int n = strlen(arg[iarg+1]) + 1;
-      idvar = new char[n];
-      strcpy(idvar,arg[iarg+1]);
+      idvar = utils::strdup(arg[iarg+1]);
       iarg += 2;
     } else if (strcmp(arg[iarg],"property") == 0) {
           if (iarg+2 > narg) error->all(FLERR,"Illegal group command");
@@ -81,9 +74,7 @@ idregion(nullptr), idvar(nullptr), idprop(nullptr)
         error->all(FLERR,"Per atom property for group dynamic does not exist");
       propflag = 1;
       delete [] idprop;
-      int n = strlen(arg[iarg+1]) + 1;
-      idprop = new char[n];
-      strcpy(idprop,arg[iarg+1]);
+      idprop = utils::strdup(arg[iarg+1]);
       iarg += 2;
     } else if (strcmp(arg[iarg],"every") == 0) {
       if (iarg+2 > narg) error->all(FLERR,"Illegal group command");
@@ -123,7 +114,7 @@ void FixGroup::init()
   if (group->dynamic[igroup])
     error->all(FLERR,"Group dynamic parent group cannot be dynamic");
 
-  if (strstr(update->integrate_style,"respa"))
+  if (utils::strmatch(update->integrate_style,"^respa"))
     nlevels_respa = ((Respa *) update->integrate)->nlevels;
 
   // set current indices for region and variable

src/fix_nh.cpp

@@ -275,9 +275,7 @@ FixNH::FixNH(LAMMPS *lmp, int narg, char **arg) :
       else {
         allremap = 0;
         delete [] id_dilate;
-        int n = strlen(arg[iarg+1]) + 1;
-        id_dilate = new char[n];
-        strcpy(id_dilate,arg[iarg+1]);
+        id_dilate = utils::strdup(arg[iarg+1]);
         int idilate = group->find(id_dilate);
         if (idilate == -1)
           error->all(FLERR,"Fix nvt/npt/nph dilate group ID does not exist");
@@ -1414,9 +1412,7 @@ int FixNH::modify_param(int narg, char **arg)
       tcomputeflag = 0;
     }
     delete [] id_temp;
-    int n = strlen(arg[1]) + 1;
-    id_temp = new char[n];
-    strcpy(id_temp,arg[1]);
+    id_temp = utils::strdup(arg[1]);
 
     int icompute = modify->find_compute(arg[1]);
     if (icompute < 0)
@@ -1448,9 +1444,7 @@ int FixNH::modify_param(int narg, char **arg)
       pcomputeflag = 0;
     }
     delete [] id_press;
-    int n = strlen(arg[1]) + 1;
-    id_press = new char[n];
-    strcpy(id_press,arg[1]);
+    id_press = utils::strdup(arg[1]);
 
     int icompute = modify->find_compute(arg[1]);
     if (icompute < 0) error->all(FLERR,"Could not find fix_modify pressure ID");

src/fix_press_berendsen.cpp

@@ -467,9 +467,7 @@ int FixPressBerendsen::modify_param(int narg, char **arg)
       tflag = 0;
     }
     delete [] id_temp;
-    int n = strlen(arg[1]) + 1;
-    id_temp = new char[n];
-    strcpy(id_temp,arg[1]);
+    id_temp = utils::strdup(arg[1]);
 
     int icompute = modify->find_compute(arg[1]);
     if (icompute < 0) error->all(FLERR,"Could not find fix_modify temperature ID");
@@ -496,9 +494,7 @@ int FixPressBerendsen::modify_param(int narg, char **arg)
       pflag = 0;
     }
     delete [] id_press;
-    int n = strlen(arg[1]) + 1;
-    id_press = new char[n];
-    strcpy(id_press,arg[1]);
+    id_press = utils::strdup(arg[1]);
 
     int icompute = modify->find_compute(arg[1]);
     if (icompute < 0) error->all(FLERR,"Could not find fix_modify pressure ID");

src/fix_spring.cpp

@@ -70,9 +70,7 @@ FixSpring::FixSpring(LAMMPS *lmp, int narg, char **arg) :
     if (narg != 10) error->all(FLERR,"Illegal fix spring command");
     styleflag = COUPLE;
 
-    int n = strlen(arg[4]) + 1;
-    group2 = new char[n];
-    strcpy(group2,arg[4]);
+    group2 = utils::strdup(arg[4]);
     igroup2 = group->find(arg[4]);
     if (igroup2 == -1)
       error->all(FLERR,"Fix spring couple group ID does not exist");

src/fix_spring_chunk.cpp

@@ -49,13 +49,8 @@ FixSpringChunk::FixSpringChunk(LAMMPS *lmp, int narg, char **arg) :
 
   k_spring = utils::numeric(FLERR,arg[3],false,lmp);
 
-  int n = strlen(arg[4]) + 1;
-  idchunk = new char[n];
-  strcpy(idchunk,arg[4]);
-
-  n = strlen(arg[5]) + 1;
-  idcom = new char[n];
-  strcpy(idcom,arg[5]);
+  idchunk = utils::strdup(arg[4]);
+  idcom = utils::strdup(arg[5]);
 
   esprings = 0.0;
   nchunk = 0;

src/fix_temp_berendsen.cpp

@@ -205,9 +205,7 @@ int FixTempBerendsen::modify_param(int narg, char **arg)
       tflag = 0;
     }
     delete [] id_temp;
-    int n = strlen(arg[1]) + 1;
-    id_temp = new char[n];
-    strcpy(id_temp,arg[1]);
+    id_temp = utils::strdup(arg[1]);
 
     int icompute = modify->find_compute(id_temp);
     if (icompute < 0)

src/fix_temp_csld.cpp

@@ -261,9 +261,7 @@ int FixTempCSLD::modify_param(int narg, char **arg)
       tflag = 0;
     }
     delete [] id_temp;
-    int n = strlen(arg[1]) + 1;
-    id_temp = new char[n];
-    strcpy(id_temp,arg[1]);
+    id_temp = utils::strdup(arg[1]);
 
     int icompute = modify->find_compute(id_temp);
     if (icompute < 0)

src/fix_temp_csvr.cpp

@@ -216,9 +216,7 @@ int FixTempCSVR::modify_param(int narg, char **arg)
       tflag = 0;
     }
     delete [] id_temp;
-    int n = strlen(arg[1]) + 1;
-    id_temp = new char[n];
-    strcpy(id_temp,arg[1]);
+    id_temp = utils::strdup(arg[1]);
 
     int icompute = modify->find_compute(id_temp);
     if (icompute < 0)

src/fix_temp_rescale.cpp

@@ -202,9 +202,7 @@ int FixTempRescale::modify_param(int narg, char **arg)
       tflag = 0;
     }
     delete [] id_temp;
-    int n = strlen(arg[1]) + 1;
-    id_temp = new char[n];
-    strcpy(id_temp,arg[1]);
+    id_temp = utils::strdup(arg[1]);
 
     int icompute = modify->find_compute(id_temp);
     if (icompute < 0)

src/fix_wall_region.cpp

@@ -54,9 +54,7 @@ FixWallRegion::FixWallRegion(LAMMPS *lmp, int narg, char **arg) :
   iregion = domain->find_region(arg[3]);
   if (iregion == -1)
     error->all(FLERR,"Region ID for fix wall/region does not exist");
-  int n = strlen(arg[3]) + 1;
-  idregion = new char[n];
-  strcpy(idregion,arg[3]);
+  idregion = utils::strdup(arg[3]);
 
   if (strcmp(arg[4],"lj93") == 0) style = LJ93;
   else if (strcmp(arg[4],"lj126") == 0) style = LJ126;