/* * * Copyright Martin von Loewis, 1994 * */ #include #include #include #include #include #include #include #include #include "windows.h" #include "wine/winuser16.h" #include "parser.h" char usage[]="winerc -bdvc -p prefix -o outfile < infile \n" " -b Create a C array from a binary .res file\n" " -c Add 'const' prefix to C constants\n" " -d Output debugging information\n" " -h Also generate a .h file\n" " -p prefix Give a prefix for the generated names\n" " -v Show each resource as it is processed\n" " -o file Output to file.c and file.h\n" " -w 16|32 Select win16 or win32 output\n"; /*might be overwritten by command line*/ char *prefix="_Resource"; int win32=1; int verbose,constant; gen_res* g_start; static FILE *header = NULL, *code = NULL; int transform_binary_file(void); int yyparse(void); static void *xmalloc (size_t size) { void *res; res = malloc (size ? size : 1); if (res == NULL) { fprintf (stderr, "Virtual memory exhausted.\n"); exit (1); } return res; } int main(int argc,char *argv[]) { extern int yydebug; extern char* optarg; int optc,lose = 0, ret, binary = 0, output_header = 0; char output_name[256]; while((optc=getopt(argc,argv,"bcdhp:vo:w:"))!=EOF) switch(optc) { /* bison will print state transitions on stderr */ case 'b':binary=1; break; case 'd':yydebug=1; setbuf(stdout,0); setbuf(stderr,0); break; case 'h':output_header=1; break; case 'p':prefix=strdup(optarg); break; case 'c':constant=1;break; case 'v':verbose=1; setbuf(stderr,0); break; case 'o':sprintf(output_name,"%s.c",optarg); break; case 'w':if(!strcmp(optarg,"16"))win32=0; else if(!strcmp(optarg,"32"))win32=1; else lose++; break; default: lose++;break; } if(lose)return fprintf(stderr,usage),1; if (output_name[0]) { code = fopen( output_name, "w" ); if (output_header) { output_name[strlen(output_name)-1] = 'h'; header = fopen( output_name, "w" ); } } if (!code) code = stdout; if(binary) ret=transform_binary_file(); else ret=yyparse(); if (header) fclose(header); fclose(code); if (ret) /* There was an error */ { if (header) unlink( output_name ); output_name[strlen(output_name)-1] = 'c'; unlink( output_name ); } return ret; } int transform_binary_file() { int i,c; if (header) fprintf(header,"#define APPLICATION_HAS_RESOURCES 1\n"); fprintf(code,"char _Application_resources[]={"); for(i=0;;i++) { c=getchar(); if(c==-1)break; if(i%16==0)fputc('\n',code); fprintf(code,"%3d,",c); } fprintf(code,"\n 0};\nint _Application_resources_size=%d;\n",i); return 0; } /* SunOS' memcpy is wrong for overlapping arrays */ char *save_memcpy(char *d,char* s,int l) { if(d>8; } void put_DWORD(unsigned char* p,DWORD d) { put_WORD(p,d&0xFFFF); put_WORD(p+2,d>>16); } WORD get_WORD(unsigned char* p) { return *p|(*(p+1)<<8); } DWORD get_DWORD(unsigned char* p) { return get_WORD(p)|(get_WORD(p+2)<<16); } /*create a new gen_res, initial size 100*/ gen_res *new_res() { gen_res* ret=xmalloc(sizeof(gen_res)+100); int i; for(i=0;ig_next=g_start; ret->g_prev=0; g_start=ret; ret->space=100; return ret; } /*double the space*/ gen_res* grow(gen_res* res) { res=realloc(res,sizeof(gen_res)+2*res->space); if(!res) fprintf(stderr,"Out of memory\n"),exit(1); if(!res->g_prev)g_start=res; else res->g_prev->g_next=res; if(res->g_next)res->g_next->g_prev=res; res->space=2*res->space; return res; } /* insert bytes at offset 0, increase num_entries */ gen_res* insert_at_beginning(gen_res* res,char* entry,int size) { while(res->size+size>res->space)res=grow(res); save_memcpy(res->res+size,res->res,res->size); save_memcpy(res->res,entry,size); res->size+=size; res->num_entries++; return res; } /* insert length characters from bytes into res, starting at start */ gen_res* insert_bytes(gen_res* res,char* bytes,int start,int length) { while(res->size+length>res->space)res=grow(res); save_memcpy(res->res+start+length,res->res+start,res->size-start); save_memcpy(res->res+start,bytes,length); res->size+=length; return res; } /* insert string into res, starting at start */ gen_res* insert_string(gen_res* res,unsigned char* string,int start,int terminating0) { unsigned char* p; int lengthA = strlen(string) + (terminating0 ? 1 : 0); int length = (win32 ? 2 : 1) * lengthA; while(res->size+length>res->space)res=grow(res); save_memcpy(res->res+start+length,res->res+start,res->size-start); p=res->res+start; while(lengthA--) if (win32) { put_WORD(p, *string++); p+=2; } else *p++=*string++; res->size+=length; return res; } /* insert string at offset 0, increase num_entries */ gen_res* insert_string_at_beginning(gen_res* res,char* entry,int terminating0) { res=insert_string(res,entry,0,terminating0); res->num_entries++; return res; } /*delete len bytes from res, starting at start*/ gen_res* delete_bytes(gen_res* res,int start,int len) { save_memcpy(res->res+start,res->res+start+len,res->size-start-len); res->size-=len; return res; } /*create a new style*/ rc_style *new_style() { rc_style *ret=xmalloc(sizeof(rc_style)); /*initially, no bits have to be reset*/ ret->and=-1; /*initially, no bits are set*/ ret->or=WS_CHILD | WS_VISIBLE; return ret; } /* entries are inserted at the beginning, starting from the last one */ gen_res* add_accelerator(int ev, int id, int flags, gen_res* prev) { char accel_entry[5]; if(prev->num_entries==0)flags|=0x80; /* last entry */ accel_entry[0]=flags; put_WORD(accel_entry+1,ev); put_WORD(accel_entry+3,id); return insert_at_beginning(prev,accel_entry,5); } /* create an integer from the event, taking things as "^c" into account add this as new entry */ gen_res* add_string_accelerator(char *ev, int id, int flags, gen_res* prev) { int event; if(*ev=='^') event=ev[1]-'a'; else event=ev[0]; return add_accelerator(event,id,flags,prev); } /*is there a difference between ASCII and VIRTKEY accelerators? */ gen_res* add_ascii_accelerator(int ev, int id, int flags, gen_res* prev) { return add_accelerator(ev,id,flags,prev); } gen_res* add_vk_accelerator(int ev, int id, int flags, gen_res* prev) { return add_accelerator(ev,id,flags,prev); } /* create a new dialog header, set all items to 0 */ gen_res* new_dialog() { gen_res* ret=new_res(); ret->size=win32?24:16; /*all strings "\0", no font*/ return ret; } /* the STYLE option was specified */ gen_res* dialog_style(rc_style* style, gen_res* attr) { /* default dialog styles? Do we need style->and? */ /* DS_SETFONT might have been specified before */ put_DWORD(attr->res,get_DWORD(attr->res)|style->or); return attr; } /* menu name is at offset 13 (win32: 18) */ int dialog_get_menu(gen_res* attr) { return win32?18:13; } /* the class is after the menu name */ int dialog_get_class(gen_res* attr) { int offs=dialog_get_menu(attr); while(attr->res[offs]||(win32&&attr->res[offs+1]))offs+=win32?2:1; offs+=win32?2:1; return offs; } /* the caption is after the class */ int dialog_get_caption(gen_res* attr) { int offs=dialog_get_class(attr); while(attr->res[offs]||(win32&&attr->res[offs+1]))offs+=win32?2:1; offs+=win32?2:1; return offs; } /* the fontsize, if present, is after the caption, followed by the font name */ int dialog_get_fontsize(gen_res* attr) { int offs=dialog_get_caption(attr); while(attr->res[offs]||(win32&&attr->res[offs+1]))offs+=win32?2:1; offs+=win32?2:1; return offs; } /* the CAPTION option was specified */ gen_res* dialog_caption(char* cap, gen_res*attr) { /* we don't need the terminating 0 as it's already there */ return insert_string(attr,cap,dialog_get_caption(attr),0); } /* the FONT option was specified, set the DS_SETFONT flag */ gen_res* dialog_font(short size,char* font,gen_res *attr) { char c_size[2]; int offs=dialog_get_fontsize(attr); put_DWORD(attr->res,get_DWORD(attr->res)|DS_SETFONT); put_WORD(c_size,size); attr=insert_bytes(attr,c_size,offs,2); offs+=2; /* as there is no font name by default, copy the '\0' */ return insert_string(attr,font,offs,1); } gen_res* dialog_class(char* cap, gen_res*attr) { return insert_string(attr,cap,dialog_get_class(attr),0); } gen_res* dialog_menu_id(short nr, gen_res*attr) { char c_nr[2]; int offs=dialog_get_menu(attr); attr->res[offs] = 0xff; if (win32) attr->res[offs+1] = 0xff; put_WORD(c_nr,nr); return insert_bytes(attr,c_nr,offs+(win32?2:1),2); } gen_res* dialog_menu_str(char* cap, gen_res*attr) { return insert_string(attr,cap,dialog_get_menu(attr),0); } /* set the dialogs id, position, extent, and style */ gen_res* create_control_desc(int id,int x,int y,int cx, int cy,rc_style *style) { gen_res* ret=new_res(); int s=WS_VISIBLE|WS_CHILD; /*defaults styles for any control*/ if(win32) { if(style)s=(s|style->or)&style->and; put_DWORD(ret->res+0,s); /* FIXME */ /* put_WORD(ret->res+4, exStyle); */ put_WORD(ret->res+8,x); put_WORD(ret->res+10,y); put_WORD(ret->res+12,cx); put_WORD(ret->res+14,cy); put_WORD(ret->res+16,id); ret->size=24; /*empty strings, unused byte*/ } else { put_WORD(ret->res+0,x); put_WORD(ret->res+2,y); put_WORD(ret->res+4,cx); put_WORD(ret->res+6,cy); put_WORD(ret->res+8,id); if(style)s=(s|style->or)&style->and; put_DWORD(ret->res+10,s); ret->size=17; /*empty strings, unused byte*/ } return ret; } /* insert the control's label */ gen_res* label_control_desc(char* label,gen_res* cd) { int offs; if(win32) { if(get_WORD(cd->res+18)==0xffff)offs=20; /* one-character class */ else { for(offs=18;get_WORD(cd->res+offs);offs+=2); offs+=2; } } else { if(cd->res[14]&0x80)offs=15; /* one-character class */ else { for(offs=14;cd->res[offs];offs++); offs++; } } return insert_string(cd,label,offs,0); } /* a CONTROL was specified */ gen_res* create_generic_control(char* label,int id,char* class, rc_style*style,int x,int y,int cx,int cy) { gen_res* ret=new_res(); int s=WS_VISIBLE|WS_CHILD; /*default styles for any control*/ if(style)s=(s|style->or)&style->and; if(win32) { WORD cl; put_DWORD(ret->res+0,s); /* FIXME */ /* put_DWORD(ret->res+4,exstyle->or); */ put_WORD(ret->res+8,x); put_WORD(ret->res+10,y); put_WORD(ret->res+12,cx); put_WORD(ret->res+14,cy); put_WORD(ret->res+16,id); ret->size=24; ret=insert_string(ret,label,20,0); /* is it a predefined class? */ cl=0; if(!strcasecmp(class,"BUTTON"))cl=CT_BUTTON; if(!strcasecmp(class,"EDIT"))cl=CT_EDIT; if(!strcasecmp(class,"STATIC"))cl=CT_STATIC; if(!strcasecmp(class,"LISTBOX"))cl=CT_LISTBOX; if(!strcasecmp(class,"SCROLLBAR"))cl=CT_SCROLLBAR; if(!strcasecmp(class,"COMBOBOX"))cl=CT_COMBOBOX; if(cl) { char ffff[2]={0xff, 0xff}; ret=insert_bytes(ret,ffff,18,2); put_WORD(ret->res+20,cl); } else ret=insert_string(ret,class,18,0); } else { char cl; put_WORD(ret->res+0,x); put_WORD(ret->res+2,y); put_WORD(ret->res+4,cx); put_WORD(ret->res+6,cy); put_WORD(ret->res+8,id); put_DWORD(ret->res+10,s); ret->size=17; ret=insert_string(ret,label,15,0); /* is it a predefined class? */ cl=0; if(!strcasecmp(class,"BUTTON"))cl=CT_BUTTON; if(!strcasecmp(class,"EDIT"))cl=CT_EDIT; if(!strcasecmp(class,"STATIC"))cl=CT_STATIC; if(!strcasecmp(class,"LISTBOX"))cl=CT_LISTBOX; if(!strcasecmp(class,"SCROLLBAR"))cl=CT_SCROLLBAR; if(!strcasecmp(class,"COMBOBOX"))cl=CT_COMBOBOX; if(cl)ret->res[14]=cl; else ret=insert_string(ret,class,14,0); } return ret; } /* insert cd into rest, set the type, add flags */ gen_res* add_control(int type,int flags,gen_res*cd,gen_res* rest) { char zeros[4]={0,0,0,0}; if(win32) { char ffff[2]={0xff, 0xff}; put_DWORD(cd->res+0,get_DWORD(cd->res+0)|flags); cd=insert_bytes(cd,ffff,18,2); put_WORD(cd->res+20,type); } else { put_DWORD(cd->res+10,get_DWORD(cd->res+10)|flags); cd->res[14]=type; } /* WIN32: First control is on dword boundary */ if(win32 && cd->size%4) cd=insert_bytes(cd,zeros,cd->size,4-cd->size%4); return insert_at_beginning(rest,cd->res,cd->size); } /* an ICON control was specified, whf contains width, height, and flags */ gen_res* add_icon(char* name,int id,int x,int y,gen_res* whf,gen_res* rest) { if (win32) { put_WORD(whf->res+8,x); put_WORD(whf->res+10,y); put_WORD(whf->res+16,id); } else { put_WORD(whf->res+0,x); put_WORD(whf->res+2,y); put_WORD(whf->res+8,id); } whf=label_control_desc(name,whf); return add_control(CT_STATIC,SS_ICON,whf,rest); } /* insert the generic control into rest */ gen_res* add_generic_control(gen_res* ctl, gen_res* rest) { char zeros[4]={0,0,0,0}; /* WIN32: Control is on dword boundary */ if(win32 && ctl->size%4) ctl=insert_bytes(ctl,zeros,ctl->size,4-ctl->size%4); return insert_at_beginning(rest,ctl->res,ctl->size); } /* create a dialog resource by inserting the header into the controls. Set position and extent */ gen_res* make_dialog(gen_res* header,int x,int y,int cx,int cy,gen_res* ctls) { char zeros[4]={0,0,0,0}; if(win32) { put_WORD(header->res+8, ctls->num_entries); header->type=dlg; put_WORD(header->res+10,x); put_WORD(header->res+12,y); put_WORD(header->res+14,cx); put_WORD(header->res+16,cy); } else { header->res[4]=ctls->num_entries; header->type=dlg; put_WORD(header->res+5,x); put_WORD(header->res+7,y); put_WORD(header->res+9,cx); put_WORD(header->res+11,cy); } /* WIN32: First control is on dword boundary */ if(win32 && header->size%4) header=insert_bytes(header,zeros,header->size,4-header->size%4); return insert_bytes(header,ctls->res,header->size,ctls->size); } /* create {0x15,0x16,0xFF} from '15 16 FF' */ gen_res *hex_to_raw(char *hex, gen_res*rest) { char r2[16]; int i; for(i=0;*hex!='\'';i++)r2[i]=strtoul(hex,&hex,16); return insert_bytes(rest,r2,0,i); } /* create a bitmap resource */ gen_res *make_bitmap(gen_res* res) { res=delete_bytes(res,0,14); /* skip bitmap file header*/ res->type=bmp; return res; } gen_res *make_icon(gen_res* res) { res->type=ico; return res; } gen_res *make_cursor(gen_res* res) { res->type=cur; return res; } /* load resource bytes from the file name */ gen_res *load_file(char* name) { gen_res *res; struct stat st; int f=open(name,O_RDONLY); if(f<0) { perror(name); exit(1); } fstat(f,&st); res=new_res(); while(res->spaceres,st.st_size); res->size=st.st_size; close(f); return res; } /* insert a normal menu item into res, starting from the last item */ gen_res *add_menuitem(char* name,int id,int flags,gen_res *res) { char item[4]; if(res->num_entries==0)flags|=MF_END; put_WORD(item,flags); put_WORD(item+2,id); res=insert_string_at_beginning(res,name,1); res=insert_bytes(res,item,0,4); return res; } /* insert a popup item into res */ gen_res *add_popup(char *name,short flags, gen_res* body, gen_res*res) { char c_flags[2]; flags|=MF_POPUP; if(res->num_entries==0)flags|=MF_END; put_WORD(c_flags,flags); res=insert_at_beginning(res,body->res,body->size); res=insert_string(res,name,0,1); res=insert_bytes(res,c_flags,0,2); return res; } /* prefix the menu header into res */ gen_res *make_menu(gen_res* res) { static char header[4]={0,0,0,0}; res=insert_at_beginning(res,header,4); res->type=men; return res; } /* link top-level resources */ gen_res *add_resource(gen_res* first,gen_res *rest) { if(first) { first->next=rest; return first; } else return rest; } typedef struct str_tbl_elm{ int group; struct str_tbl_elm *next; char* strings[16]; } str_tbl_elm; str_tbl_elm* string_table=NULL; /* sorted by group */ void add_str_tbl_elm(int id,char* str) { int group=(id>>4)+1; int idx=id & 0x000f; str_tbl_elm** elm=&string_table; while(*elm && (*elm)->groupnext; if(!*elm || (*elm)->group!=group) { int i; str_tbl_elm* new=xmalloc(sizeof(str_tbl_elm)); for(i=0; i<16; i++) new->strings[i] = NULL; new->group=group; new->next=*elm; *elm=new; } (*elm)->strings[idx]=str; } gen_res* add_string_table(gen_res* t) { str_tbl_elm* ste; int size,i; gen_res* res; unsigned char* p; unsigned char* q; if(!string_table) return t; for(ste=string_table; ste; ste=ste->next) { for(size=0,i=0; i<16; i++) size += (win32 ? 2 : 1) * (ste->strings[i] ? strlen(ste->strings[i])+1 : 1); res=new_res(); while(res->spacetype=str; res->n.i_name=ste->group; res->n_type=0; res->size=size; if (win32) for(p=res->res,i=0; i<16; i++) if((q=ste->strings[i])==NULL) { put_WORD(p, 0); p+=2; } else { put_WORD(p, strlen(q)); p+=2; while(*q) { put_WORD(p, *q++); p+=2; } } else for(p=res->res,i=0; i<16; i++) if((q=ste->strings[i])==NULL) *p++ = 0; else { *p++ = strlen(q); while(*q) *p++ = *q++; } t=add_resource(res,t); } return t; } char *get_typename(gen_res* t) { switch(t->type){ case acc:return "ACCELERATOR"; case bmp:return "BITMAP"; case cur:return "CURSOR"; case dlg:return "DIALOG"; case fnt:return "FONT"; case ico:return "ICON"; case men:return "MENU"; case rdt:return "RCDATA"; case str:return "STRINGTABLE"; default: return "UNKNOWN"; } } /* create strings like _Sysres_DIALOG_2 */ char *get_resource_name(gen_res*it) { static char buf[1000]; if(it->n_type) sprintf(buf,"%s_%s_%s",prefix,get_typename(it),it->n.s_name); else sprintf(buf,"%s_%s_%d",prefix,get_typename(it),it->n.i_name); return buf; } #define ISCONSTANT (constant ? "const " : "") /* create the final output */ void create_output(gen_res* top) { gen_res *it; top=add_string_table(top); /* Generate the header */ if (header) { fprintf( header, "/*\n" " * This file is automatically generated. Do not edit!\n" " */\n\n" "#ifndef __%s_H\n" "#define __%s_H\n\n" "struct resource;\n\n", prefix, prefix ); /* Declare the resources */ for (it=top;it;it=it->next) fprintf( header,"extern %sstruct resource %s;\n", ISCONSTANT, get_resource_name(it) ); fprintf( header,"\nextern %sstruct resource * %s%s_Table[];\n\n", ISCONSTANT, ISCONSTANT, prefix ); fprintf( header, "#endif /* __%s_H */\n", prefix ); } /* Print the resources bytes */ fprintf( code, "/*\n" " * This file is automatically generated. Do not edit!\n" " */\n\n" "struct resource {\n" "\tint id;\n" "\tint type;\n" "\tconst char *name;\n" "\tconst unsigned char* bytes;\n" "\tunsigned size;\n" "};\n\n" ); for(it=top;it;it=it->next) { int i; fprintf( code, "static %sunsigned char %s__bytes[]%s = {\n", ISCONSTANT, get_resource_name(it), win32?"\n__attribute__ ((aligned (4)))":""); for (i=0;isize-1;i++) { fprintf(code,"0x%02x, ",it->res[i]); if ((i&7)==7)fputc('\n',code); } fprintf(code,"0x%02x };\n\n",it->res[i]); } /* Print the resources names */ if (win32) for(it=top;it;it=it->next) { int i; char s_buffer[20], *s_name=s_buffer; if(it->n_type) s_name=it->n.s_name; else sprintf(s_name,"@%d",it->n.i_name); fprintf( code, "static %sunsigned char %s__name[] = {\n", ISCONSTANT, get_resource_name(it) ); for (i=0;*s_name;i++,s_name++) { fprintf(code,"0x%02x, 0x00, ",*s_name); if ((i&3)==3)fputc('\n',code); } fprintf(code,"0x00, 0x00};\n\n"); } /* Print the resources */ for (it=top;it;it=it->next) { int type; switch(it->type) { case acc:type=(int)RT_ACCELERATOR16;break; case bmp:type=(int)RT_BITMAP16;break; case cur:type=(int)RT_CURSOR16;break; case dlg:type=(int)RT_DIALOG16;break; case fnt:type=(int)RT_FONT16;break; case ico:type=(int)RT_ICON16;break; case men:type=(int)RT_MENU16;break; case rdt:type=(int)RT_RCDATA16;break; case str:type=(int)RT_STRING16;break; default:fprintf(stderr,"Unknown restype\n");type=-1;break; } if(win32) { if(it->n_type) fprintf(code,"%sstruct resource %s = {0,%d,%s__name,%s__bytes,%d};\n", ISCONSTANT, get_resource_name(it), type, get_resource_name(it), get_resource_name(it), it->size ); else fprintf(code,"%sstruct resource %s = {%d,%d,%s__name,%s__bytes,%d};\n", ISCONSTANT, get_resource_name(it), it->n.i_name, type, get_resource_name(it), get_resource_name(it), it->size ); } else { if(it->n_type) fprintf(code,"%sstruct resource %s = {0,%d,\"%s\",%s__bytes,%d};\n", ISCONSTANT, get_resource_name(it), type, it->n.s_name, get_resource_name(it), it->size ); else fprintf(code,"%sstruct resource %s = {%d,%d,\"@%d\",%s__bytes,%d};\n", ISCONSTANT, get_resource_name(it), it->n.i_name, type, it->n.i_name, get_resource_name(it), it->size ); } } /* Print the resource table (NULL terminated) */ fprintf(code,"\n%sstruct resource * %s%s_Table[] = {\n", ISCONSTANT, ISCONSTANT, prefix); for (it=top;it;it=it->next) fprintf( code, " &%s,\n", get_resource_name(it) ); fprintf( code, " 0\n};\n\n\n" ); /* Perform autoregistration */ fprintf( code, "#ifndef __WINE__\n" "#if defined(__GNUC__) && ((__GNUC__ > 2) || ((__GNUC__ == 2) && (__GNUC_MINOR__ >= 7)))\n" "static void DoIt(void) __attribute__((constructor));\n" "#else\n" "static void DoIt(void);\n" "void LIBWINE_Register_%s(void) { DoIt(); }\n" "#endif\n" "static void DoIt(void)\n" "{\n" "\textern void LIBRES_RegisterResources(const struct resource* const * Res);\n" "\tLIBRES_RegisterResources(%s_Table);\n" "}\n\n" "#endif /* __WINE__ */\n" ,prefix,prefix); } gen_res* make_font(gen_res* res) { fprintf(stderr,"Fonts not supported\n"); return NULL; } gen_res* make_raw(gen_res* res) { fprintf(stderr,"RCData not supported\n"); return NULL; } gen_res* int_to_raw(int i,gen_res* res) { fprintf(stderr,"IntToRaw not supported\n"); return NULL; } /* translate "Hello,\\tworld!\\10" to "Hello,\tworld!\n" */ char *parse_c_string(char *in) { char *out=xmalloc(strlen(in)-1); char *it; char tmp[5],*tend; for(it=out,in++;*in;in++) if(*in=='\\') switch(*++in) {case 't':*it++='\t';break; case 'r':*it++='\r';break; case 'n':*it++='\n';break; case 'a':*it++='\a';break; case '0': memset(tmp,0,5);/*make sure it doesn't use more than 4 chars*/ memcpy(tmp,in,4); *it++=strtoul(tmp,&tend,0); in+=tend-tmp-1; break; case '1':case '2':case '3':case '4':case '5': case '6':case '7':case '8':case '9': memset(tmp,0,5); memcpy(tmp,in,3); *it++=strtoul(tmp,&tend,10); in+=tend-tmp-1; break; case 'x': memset(tmp,0,5); memcpy(tmp,++in,2); *it++=strtoul(tmp,&tend,16); in+=tend-tmp-1; break; default:*it++=*in; } else *it++=*in; *(it-1)='\0'; return out; }