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Reformat.

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This commit is contained in:
David Given 2022-07-16 22:33:48 +02:00
parent d48e7399ee
commit e43905afeb
1 changed files with 111 additions and 84 deletions
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195
util/ack/run.c
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@ -17,58 +17,71 @@
#include <signal.h> #include <signal.h>
#ifndef NORCSID #ifndef NORCSID
static char rcs_id[] = "$Id$" ; static char rcs_id[] = "$Id$";
#endif #endif
#define ARG_MORE 40 /* The size of args chunks to allocate */ #define ARG_MORE 40 /* The size of args chunks to allocate */
static int run_exec(trf *, const char *); static int run_exec(trf*, const char*);
static void x_arg(char *); static void x_arg(char*);
static char **arglist ; /* The first argument */ static char** arglist; /* The first argument */
static unsigned argcount ; /* The current number of arguments */ static unsigned argcount; /* The current number of arguments */
static unsigned argmax; /* The maximum number of arguments so far */ static unsigned argmax; /* The maximum number of arguments so far */
int runphase(trf *phase) { int runphase(trf* phase)
register list_elem *elem ; {
char *prog ; int result ; register list_elem* elem;
char* prog;
int result;
prog=phase->t_prog ; prog = phase->t_prog;
if ( v_flag || debug ) { if (v_flag || debug)
if ( v_flag==1 && !debug ) { {
vprint("%s",phase->t_name) ; if (v_flag == 1 && !debug)
if ( !phase->t_combine ) { {
vprint(" %s%s\n",p_basename, vprint("%s", phase->t_name);
strrchr(in.p_path,SUFCHAR) ) ; if (!phase->t_combine)
} else { {
scanlist(l_first(phase->t_inputs), elem) { vprint(" %s%s\n", p_basename, strrchr(in.p_path, SUFCHAR));
vprint(" %s",p_cont(*elem)->p_path); }
else
{
scanlist(l_first(phase->t_inputs), elem)
{
vprint(" %s", p_cont(*elem)->p_path);
} }
vprint("\n") ; vprint("\n");
} }
} else { }
else
{
/* list all args */ /* list all args */
vprint("%s",prog) ; vprint("%s", prog);
scanlist(l_first(phase->t_flags), elem) { scanlist(l_first(phase->t_flags), elem)
vprint(" %s",l_content(*elem)) ; {
vprint(" %s", l_content(*elem));
} }
scanlist(l_first(phase->t_args), elem) { scanlist(l_first(phase->t_args), elem)
vprint(" %s",l_content(*elem)) ; {
vprint(" %s", l_content(*elem));
} }
vprint("\n") ; vprint("\n");
} }
} }
argcount=0 ; argcount = 0;
x_arg(phase->t_name) ; x_arg(phase->t_name);
scanlist(l_first(phase->t_flags), elem) { scanlist(l_first(phase->t_flags), elem)
x_arg(l_content(*elem)) ; {
x_arg(l_content(*elem));
} }
scanlist(l_first(phase->t_args), elem) { scanlist(l_first(phase->t_args), elem)
x_arg(l_content(*elem)) ; {
x_arg(l_content(*elem));
} }
x_arg( (char *)0 ) ; x_arg((char*)0);
result=run_exec(phase,prog) ; result = run_exec(phase, prog);
return result ; return result;
} }
static char* build_command_line(const char* prog) static char* build_command_line(const char* prog)
@ -76,8 +89,8 @@ static char* build_command_line(const char* prog)
/* Calculate the maximum length of the command line. */ /* Calculate the maximum length of the command line. */
int len = strlen(prog); int len = strlen(prog);
for (int i=1; i<(argcount-1); i++) for (int i = 1; i < (argcount - 1); i++)
len += strlen(arglist[i])*2 + 1; len += strlen(arglist[i]) * 2 + 1;
/* Now actually build the command line. */ /* Now actually build the command line. */
@ -85,7 +98,7 @@ static char* build_command_line(const char* prog)
strcpy(cmdline, prog); strcpy(cmdline, prog);
char* p = cmdline + strlen(prog); char* p = cmdline + strlen(prog);
for (int i=1; i<(argcount-1); i++) for (int i = 1; i < (argcount - 1); i++)
{ {
const char* word = arglist[i]; const char* word = arglist[i];
*p++ = ' '; *p++ = ' ';
@ -105,37 +118,44 @@ static char* build_command_line(const char* prog)
return cmdline; return cmdline;
} }
static int run_exec(trf *phase, const char *prog) { static int run_exec(trf* phase, const char* prog)
int status, child, waitchild ; {
int status, child, waitchild;
int oldstdin = -1; int oldstdin = -1;
int oldstdout = -1; int oldstdout = -1;
fflush(stdout) ; fflush(stdout);
fflush(stderr) ; fflush(stderr);
if ( phase->t_stdin ) { if (phase->t_stdin)
{
if (!in.p_path) if (!in.p_path)
fatal("no input file for %s",phase->t_name) ; fatal("no input file for %s", phase->t_name);
oldstdin = dup(0); oldstdin = dup(0);
close(0) ; close(0);
if (open(in.p_path,0)!=0) { if (open(in.p_path, 0) != 0)
error("cannot open %s",in.p_path) ; {
exit(1) ; error("cannot open %s", in.p_path);
exit(1);
} }
} }
if ( phase->t_stdout ) { if (phase->t_stdout)
if ( !out.p_path ) { {
fatal("no output file for %s",phase->t_name) ; if (!out.p_path)
{
fatal("no output file for %s", phase->t_name);
} }
oldstdout = dup(1); oldstdout = dup(1);
close(1) ; close(1);
if ( creat(out.p_path,0666)!=1 ) { if (creat(out.p_path, 0666) != 1)
close(1); dup(2); {
error("cannot create %s",out.p_path) ; close(1);
exit(1) ; dup(2);
error("cannot create %s", out.p_path);
exit(1);
} }
} }
@ -143,52 +163,59 @@ static int run_exec(trf *phase, const char *prog) {
status = system(cmdline); status = system(cmdline);
free(cmdline); free(cmdline);
if ( oldstdin != -1 ) { if (oldstdin != -1)
{
close(0); close(0);
dup2(oldstdin, 0); dup2(oldstdin, 0);
close(oldstdin); close(oldstdin);
} }
if ( oldstdout != -1 ) { if (oldstdout != -1)
{
close(1); close(1);
dup2(oldstdout, 1); dup2(oldstdout, 1);
close(oldstdout); close(oldstdout);
} }
if ( status ) { if (status)
switch ( status&0177 ) { {
case 0 : switch (status & 0177)
break ; {
case SIGHUP: case 0:
case SIGINT: break;
case SIGQUIT: case SIGHUP:
case SIGTERM: case SIGINT:
quit(-5) ; case SIGQUIT:
default: case SIGTERM:
error("%s died with signal %d", quit(-5);
prog,status&0177) ; default:
error("%s died with signal %d", prog, status & 0177);
} }
/* The assumption is that processes voluntarely /* The assumption is that processes voluntarely
dying with a non-zero status already produced dying with a non-zero status already produced
some sort of error message to the outside world. some sort of error message to the outside world.
*/ */
n_error++ ; n_error++;
return 0; return 0;
} }
return 1 ; return 1;
} }
static void x_arg(char *string) { static void x_arg(char* string)
{
/* Add one execute argument to the argument vector */ /* Add one execute argument to the argument vector */
if ( argcount==argmax ) { if (argcount == argmax)
if ( argmax==0 ) { {
argmax= 2*ARG_MORE ; if (argmax == 0)
arglist= (char **)getcore(argmax*sizeof (char *)) ; {
} else { argmax = 2 * ARG_MORE;
argmax += ARG_MORE ; arglist = (char**)getcore(argmax * sizeof(char*));
arglist= (char **)changecore((char *)arglist, }
argmax*sizeof (char *)) ; else
{
argmax += ARG_MORE;
arglist = (char**)changecore((char*)arglist, argmax * sizeof(char*));
} }
} }
*(arglist+argcount++) = string ; *(arglist + argcount++) = string;
} }