diff options
Diffstat (limited to 'src/console.c')
| -rw-r--r-- | src/console.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/src/console.c b/src/console.c index 26a0723..3fbcfb6 100644 --- a/src/console.c +++ b/src/console.c @@ -13,7 +13,7 @@ int console_parse_type(char *txt, int *element, char *err) int i = -1; if (strcasecmp(txt,"WIND")==0) { - strcpy(err, "Particle type not recognised"); + if (err) strcpy(err, "Particle type not recognised"); return 0; } // alternative names for some elements @@ -23,18 +23,18 @@ int console_parse_type(char *txt, int *element, char *err) if (i>=0) { *element = i; - strcpy(err,""); + if (err) strcpy(err,""); return 1; } for (i=1; i<PT_NUM; i++) { if (strcasecmp(txt,ptypes[i].name)==0) { *element = i; - strcpy(err,""); + if (err) strcpy(err,""); return 1; } } - strcpy(err, "Particle type not recognised"); + if (err) strcpy(err, "Particle type not recognised"); return 0; } //takes a string of coords "x,y" and puts the values into x and y. @@ -43,7 +43,7 @@ int console_parse_coords(char *txt, int *x, int *y, char *err) int nx = -1, ny = -1; if (sscanf(txt,"%d,%d",&nx,&ny)!=2 || nx<0 || nx>=XRES || ny<0 || ny>=YRES) { - strcpy(err,"Invalid coordinates"); + if (err) strcpy(err,"Invalid coordinates"); return 0; } *x = nx; @@ -54,7 +54,7 @@ int console_parse_coords(char *txt, int *x, int *y, char *err) int console_parse_partref(char *txt, int *which, char *err) { int i = -1, nx, ny; - strcpy(err,""); + if (err) strcpy(err,""); if (strchr(txt,',') && console_parse_coords(txt, &nx, &ny, err)) { i = pmap[ny][nx]; @@ -75,10 +75,10 @@ int console_parse_partref(char *txt, int *which, char *err) if (i>=0 && i<NPART && parts[i].type) { *which = i; - strcpy(err,""); + if (err) strcpy(err,""); return 1; } - if (strcmp(err,"")==0) strcpy(err,"Particle does not exist"); + if (err && strcmp(err,"")==0) strcpy(err,"Particle does not exist"); return 0; } |