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tpic: clean up

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This commit is contained in:
Russ Cox 2024-04-06 11:13:59 -04:00
parent d5b2552b95
commit b1b88c75fd
5 changed files with 14 additions and 8 deletions
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2
src/cmd/tpic/input.c
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@ -586,7 +586,7 @@ char shellbuf[1000], *shellp;
void
shell_init(void) /* set up to interpret a shell command */
{
sprintf(shellbuf, "sh -c '");
snprintf(shellbuf, sizeof shellbuf, "sh -c '");
shellp = shellbuf + strlen(shellbuf);
}

11
src/cmd/tpic/main.c
View file

@ -1,5 +1,6 @@
#include <stdio.h>
#include <signal.h>
#include <stdarg.h>
#include "pic.h"
#include "y.tab.h"
@ -62,7 +63,7 @@ main(int argc, char **argv)
text = (Text *) grow((char *)text, "text", ntextlist += 1000, sizeof(Text));
attr = (Attr *) grow((char *)attr, "attr", nattrlist += 100, sizeof(Attr));
sprintf(buf, "/%d/", getpid());
snprintf(buf, sizeof buf, "/%d/", getpid());
pushsrc(String, buf);
definition("pid");
@ -275,3 +276,11 @@ reset(void)
xmin = ymin = 30000;
xmax = ymax = -30000;
}
void
tpicsnprintf(char *buf, int n, const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
vsnprintf(buf, n, fmt, args);
}

2
src/cmd/tpic/misc.c
View file

@ -92,7 +92,7 @@ sprintgen(char *fmt)
{
char buf[1000];
sprintf(buf, fmt, exprlist[0], exprlist[1], exprlist[2], exprlist[3], exprlist[4]);
snprintf(buf, sizeof buf, fmt, exprlist[0], exprlist[1], exprlist[2], exprlist[3], exprlist[4]);
nexpr = 0;
free(fmt);
return tostring(buf);

5
src/cmd/tpic/pic.h
View file

@ -13,9 +13,7 @@
extern char errbuf[1000];
#undef sprintf /* Snow Leopard */
#define ERROR sprintf(errbuf,
#define ERROR tpicsnprintf(errbuf, sizeof errbuf,
#define FATAL ), yyerror(errbuf), exit(1)
#define WARNING ), yyerror(errbuf)
@ -283,5 +281,6 @@ int unput(int c);
int whatpos(obj *p, int corner, double *px, double *py) /* what is the position (no side effect) */;
void yyerror(char *s);
int yyparse(void);
void tpicsnprintf(char*, int, const char*, ...);
#include "tex.h"

2
src/cmd/tpic/picl.l
View file

@ -14,10 +14,8 @@
#include "pic.h"
#include "y.tab.h"
extern double atof();
extern char *filename;
extern struct symtab symtab[];
extern struct symtab*copythru();
#define CADD cbuf[clen++]=yytext[0]; if(clen>=CBUFLEN-1) {ERROR "string too long" WARNING; BEGIN A;}
#define CBUFLEN 500