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freebsd/usr.bin/mk_cmds/utils.c

137 lines
3.2 KiB
C

/*
* Copyright 1987, 1988 by MIT Student Information Processing Board
*
* For copyright information, see copyright.h.
*/
#include <string.h>
#include "copyright.h"
#include "ss_internal.h" /* includes stdio and string */
extern FILE *output_file;
extern int exit();
char *gensym(), *str_concat3(), *quote(), *ds();
extern long gensym_n;
void write_ct(hdr, rql)
char const *hdr, *rql;
{
char *sym;
sym = gensym("ssu");
fputs("static ss_request_entry ", output_file);
fputs(sym, output_file);
fputs("[] = {\n", output_file);
fputs(rql, output_file);
fputs(" { 0, 0, 0, 0 }\n", output_file);
fputs("};\n\nss_request_table ", output_file);
fputs(hdr, output_file);
fprintf(output_file, " = { %d, ", SS_RQT_TBL_V2);
fputs(sym, output_file);
fputs(" };\n", output_file);
}
char * generate_cmds_string(cmds)
char const *cmds;
{
char * var_name = gensym("ssu");
fputs("static char const * const ", output_file);
fputs(var_name, output_file);
fputs("[] = {\n", output_file);
fputs(cmds, output_file);
fputs(",\n (char const *)0\n};\n", output_file);
return(var_name);
}
void generate_function_definition(func)
char const *func;
{
fputs("extern void ", output_file);
fputs(func, output_file);
fputs(" __SS_PROTO;\n", output_file);
}
char * generate_rqte(func_name, info_string, cmds, options)
char const *func_name;
char const *info_string;
char const *cmds;
int options;
{
int size;
char *string, *var_name, numbuf[16];
var_name = generate_cmds_string(cmds);
generate_function_definition(func_name);
size = 6; /* " { " */
size += strlen(var_name)+7; /* "quux, " */
size += strlen(func_name)+7; /* "foo, " */
size += strlen(info_string)+9; /* "\"Info!\", " */
sprintf(numbuf, "%d", options);
size += strlen(numbuf);
size += 4; /* " }," + NL */
string = malloc(size * sizeof(char *));
strcpy(string, " { ");
strcat(string, var_name);
strcat(string, ",\n ");
strcat(string, func_name);
strcat(string, ",\n ");
strcat(string, info_string);
strcat(string, ",\n ");
strcat(string, numbuf);
strcat(string, " },\n");
return(string);
}
char *
gensym(name)
char *name;
{
char *symbol;
symbol = malloc((strlen(name)+6) * sizeof(char));
gensym_n++;
sprintf(symbol, "%s%05ld", name, gensym_n);
return(symbol);
}
/* concatenate three strings and return the result */
char *str_concat3(a, b, c)
register char *a, *b, *c;
{
char *result;
int size_a = strlen(a);
int size_b = strlen(b);
int size_c = strlen(c);
result = malloc((size_a + size_b + size_c + 2)*sizeof(char));
strcpy(result, a);
strcpy(&result[size_a], c);
strcpy(&result[size_a+size_c], b);
return(result);
}
/* return copy of string enclosed in double-quotes */
char *quote(string)
register char *string;
{
register char *result;
int len;
len = strlen(string)+1;
result = malloc(len+2);
result[0] = '"';
bcopy(string, &result[1], len-1);
result[len] = '"';
result[len+1] = '\0';
return(result);
}
/* make duplicate of string and return pointer */
char *ds(s)
register char *s;
{
register int len = strlen(s) + 1;
register char *new;
new = malloc(len);
bcopy(s, new, len);
return(new);
}