qzdoom-gpl/ccdv-posix.c
Randy Heit 0c62f08a58 - Modified Makefile.linux to use ccdv for easier error spotting and to
make the dependancy files at the same time it makes the object files.


SVN r180 (trunk)
2006-06-08 02:43:35 +00:00

463 lines
10 KiB
C

/* ccdv.c */
#include <unistd.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/wait.h>
#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#define SETCOLOR_SUCCESS (gANSIEscapes ? "\033\1331;32m" : "")
#define SETCOLOR_FAILURE (gANSIEscapes ? "\033\1331;31m" : "")
#define SETCOLOR_WARNING (gANSIEscapes ? "\033\1331;33m" : "")
#define SETCOLOR_COMMAND (gANSIEscapes ? "\033\1331;35m" : "")
#define SETCOLOR_ERROROUTPUT (gANSIEscapes ? "\033\1331;31m" : "")
#define SETCOLOR_WARNINGOUTPUT (gANSIEscapes ? "\033\1331;39m" : "")
#define SETCOLOR_NORMAL (gANSIEscapes ? "\033\1330;39m" : "")
#define TEXT_BLOCK_SIZE 8192
#define INDENT 2
size_t gNBufUsed = 0, gNBufAllocated = 0;
char *gBuf = NULL;
int gCCPID;
char gAction[64] = "";
char gTarget[64] = "";
char gAr[32] = "";
char gArLibraryTarget[64] = "";
int gDumpCmdArgs = 0;
char gArgsStr[32768];
int gColumns = 80;
int gANSIEscapes = 0;
int gExitStatus = 95;
static void DumpFormattedOutput(void)
{
char *cp;
char spaces[8 + 1] = " ";
char *saved;
int curcol;
int i;
curcol = 0;
saved = NULL;
if(gDumpCmdArgs)
{
printf("%s%s%s", SETCOLOR_COMMAND, gArgsStr, SETCOLOR_NORMAL);
for(i = 0; i < gColumns; ++i)
{
putchar('=');
}
}
printf("%s%s%s", gDumpCmdArgs ? SETCOLOR_ERROROUTPUT : SETCOLOR_WARNINGOUTPUT,
gBuf + strlen(gArgsStr), SETCOLOR_NORMAL);
free(gBuf);
} /* DumpFormattedOutput */
/* Difftime(), only for timeval structures. */
static void TimeValSubtract(struct timeval *tdiff, struct timeval *t1,
struct timeval *t0)
{
tdiff->tv_sec = t1->tv_sec - t0->tv_sec;
tdiff->tv_usec = t1->tv_usec - t0->tv_usec;
if(tdiff->tv_usec < 0)
{
tdiff->tv_sec--;
tdiff->tv_usec += 1000000;
}
} /* TimeValSubtract */
static void Wait(void)
{
int pid2, status;
do
{
status = 0;
pid2 = (int) waitpid(gCCPID, &status, 0);
}
while(((pid2 >= 0) && (!WIFEXITED(status)))
|| ((pid2 < 0) && (errno == EINTR)));
if(WIFEXITED(status))
gExitStatus = WEXITSTATUS(status);
} /* Wait */
static int SlurpProgress(int fd)
{
char s1[71];
char *newbuf;
int nready;
size_t ntoread;
ssize_t nread;
struct timeval now, tnext, tleft;
fd_set ss;
fd_set ss2;
const char *trail = "/-\\|", *trailcp;
trailcp = trail;
snprintf(s1, sizeof(s1), "%s%s%s... ", gAction, gTarget[0] ? " " : "",
gTarget);
printf("\r%-70s%-9s", s1, "");
fflush(stdout);
gettimeofday(&now, NULL);
tnext = now;
tnext.tv_sec++;
tleft.tv_sec = 1;
tleft.tv_usec = 0;
FD_ZERO(&ss2);
FD_SET(fd, &ss2);
for(;;)
{
if(gNBufUsed == (gNBufAllocated - 1))
{
if((newbuf =
(char *) realloc(gBuf,
gNBufAllocated + TEXT_BLOCK_SIZE)) == NULL)
{
perror("ccdv: realloc");
return (-1);
}
gNBufAllocated += TEXT_BLOCK_SIZE;
gBuf = newbuf;
}
for(;;)
{
ss = ss2;
nready = select(fd + 1, &ss, NULL, NULL, &tleft);
if(nready == 1)
break;
if(nready < 0)
{
if(errno != EINTR)
{
perror("ccdv: select");
return (-1);
}
continue;
}
gettimeofday(&now, NULL);
if((now.tv_sec > tnext.tv_sec)
|| ((now.tv_sec == tnext.tv_sec)
&& (now.tv_usec >= tnext.tv_usec)))
{
tnext = now;
tnext.tv_sec++;
tleft.tv_sec = 1;
tleft.tv_usec = 0;
printf("\r%-71s%c%-7s", s1, *trailcp, "");
fflush(stdout);
if(*++trailcp == '\0')
trailcp = trail;
}
else
{
TimeValSubtract(&tleft, &tnext, &now);
}
}
ntoread = (gNBufAllocated - gNBufUsed - 1);
nread = read(fd, gBuf + gNBufUsed, ntoread);
if(nread < 0)
{
if(errno == EINTR)
continue;
perror("ccdv: read");
return (-1);
}
else if(nread == 0)
{
break;
}
gNBufUsed += nread;
gBuf[gNBufUsed] = '\0';
}
snprintf(s1, sizeof(s1), "%s%s%s: ", gAction, gTarget[0] ? " " : "",
gTarget);
Wait();
if(gExitStatus == 0)
{
printf("\r%-70s", s1);
printf("[%s%s%s]",
((gNBufUsed - strlen(gArgsStr)) <
4) ? SETCOLOR_SUCCESS : SETCOLOR_WARNING, "OK",
SETCOLOR_NORMAL);
printf("%-5s\n", " ");
}
else
{
printf("\r%-70s", s1);
printf("[%s%s%s]", SETCOLOR_FAILURE, "ERROR", SETCOLOR_NORMAL);
printf("%-2s\n", " ");
gDumpCmdArgs = 1; /* print cmd when there are errors */
}
fflush(stdout);
return (0);
} /* SlurpProgress */
static int SlurpAll(int fd)
{
char *newbuf;
size_t ntoread;
ssize_t nread;
printf("%s%s%s.\n", gAction, gTarget[0] ? " " : "", gTarget);
fflush(stdout);
for(;;)
{
if(gNBufUsed == (gNBufAllocated - 1))
{
if((newbuf =
(char *) realloc(gBuf,
gNBufAllocated + TEXT_BLOCK_SIZE)) == NULL)
{
perror("ccdv: realloc");
return (-1);
}
gNBufAllocated += TEXT_BLOCK_SIZE;
gBuf = newbuf;
}
ntoread = (gNBufAllocated - gNBufUsed - 1);
nread = read(fd, gBuf + gNBufUsed, ntoread);
if(nread < 0)
{
if(errno == EINTR)
continue;
perror("ccdv: read");
return (-1);
}
else if(nread == 0)
{
break;
}
gNBufUsed += nread;
gBuf[gNBufUsed] = '\0';
}
Wait();
gDumpCmdArgs = (gExitStatus != 0); /* print cmd when there are errors */
return (0);
} /* SlurpAll */
static const char *Basename(const char *path)
{
const char *cp;
cp = strrchr(path, '/');
if(cp == NULL)
return (path);
return (cp + 1);
} /* Basename */
static const char *Extension(const char *path)
{
const char *cp = path;
cp = strrchr(path, '.');
if(cp == NULL)
return ("");
return (cp);
} /* Extension */
static void Usage(void)
{
char *sUsage = "\
Usage: ccdv /path/to/cc CFLAGS...\n\
\n\
I wrote this to reduce the deluge Make output to make finding actual problems\n\
easier. It is intended to be invoked from Makefiles, like this. Instead of:\n\
\n\
.c.o:\n\
$(CC) $(CFLAGS) $(DEFS) $(CPPFLAGS) $< -c\n\
\n\
Rewrite your rule so it looks like:\n\
\n\
.c.o:\n\
@ccdv $(CC) $(CFLAGS) $(DEFS) $(CPPFLAGS) $< -c\n\
.cpp.o:\n\
@ccdv $(CXX) $(CFLAGS) $(DEFS) $(CPPFLAGS) $< -c\n\
\n\
ccdv 1.1.0 is Free under the GNU Public License. Enjoy!\n\
-- Mike Gleason, NcFTP Software <http://www.ncftp.com>\n\
-- John F Meinel Jr, <http://ccdv.sourceforge.net>\n\
";
fprintf(stderr, sUsage);
exit(96);
} /* Usage */
int main(int argc, char **argv)
{
int pipe1[2];
int devnull;
char emerg[256];
int fd;
int nread;
int i;
int cc = 0;
int yy = 0;
int gcc = 0;
int lemon = 0;
const char *quote;
if(argc < 2)
Usage();
snprintf(gAction, sizeof(gAction), "Running %s", Basename(argv[1]));
memset(gArgsStr, 0, sizeof(gArgsStr));
if(strcmp(gAction+8, "ar") == 0)
{
snprintf(gTarget, sizeof(gTarget), "%s", Basename(argv[i + 1]));
}
else if(strcmp(gAction+8, "cc") == 0 ||
strcmp(gAction+8, "ld") == 0 ||
strcmp(gAction+8, "gcc") == 0 ||
strcmp(gAction+8, "g++") == 0 ||
strcmp(gAction+8, "c++") == 0)
{
gcc = 1;
}
else if(strcmp(gAction+8, "lemon") == 0)
{
lemon = 1;
}
for(i = 1; i < argc; i++)
{
quote = (strchr(argv[i], ' ') != NULL) ? "\"" : "";
snprintf(gArgsStr + strlen(gArgsStr),
sizeof(gArgsStr) - strlen(gArgsStr), "%s%s%s%s%s",
(i == 1) ? "" : " ", quote, argv[i], quote,
(i == (argc - 1)) ? "\n" : "");
if(gcc && (strcmp(argv[i], "-o") == 0) && ((i + 1) < argc))
{
if(strcasecmp(Extension(argv[i + 1]), ".o") != 0)
{
strcpy(gAction, "Linking");
snprintf(gTarget, sizeof(gTarget), "%s",
Basename(argv[i + 1]));
}
}
else if(strchr("-+/", (int) argv[i][0]) != NULL)
{
continue;
}
else if(strncasecmp(Extension(argv[i]), ".c", 2) == 0)
{
cc++;
snprintf(gTarget, sizeof(gTarget), "%s", Basename(argv[i]));
}
else if(strncasecmp(Extension(argv[i]), ".y", 2) == 0)
{
if(lemon)
{
strcpy(gAction, "Generating");
snprintf(gTarget, sizeof(gTarget), "%s", Basename(argv[i]));
}
yy++;
}
else if(strncasecmp(Extension(argv[i]), ".nas", 3) == 0 ||
strncasecmp(Extension(argv[i]), ".asm", 3) == 0 ||
strcasecmp(Extension(argv[i]), ".s") == 0)
{
strcpy(gAction, "Assembling");
snprintf(gTarget, sizeof(gTarget), "%s", Basename(argv[i]));
}
else if((i == 1) && (strcmp(Basename(argv[i]), "ar") == 0))
{
snprintf(gAr, sizeof(gAr), "%s", Basename(argv[i]));
}
else if((gArLibraryTarget[0] == '\0')
&& (strcasecmp(Extension(argv[i]), ".a") == 0))
{
snprintf(gArLibraryTarget, sizeof(gArLibraryTarget), "%s",
Basename(argv[i]));
}
}
if((gAr[0] != '\0') && (gArLibraryTarget[0] != '\0'))
{
strcpy(gAction, "Creating library");
snprintf(gTarget, sizeof(gTarget), "%s", gArLibraryTarget);
}
else if(cc > 0)
{
strcpy(gAction, yy == 0 ? "Compiling" : "Generating");
}
if(pipe(pipe1) < 0)
{
perror("ccdv: pipe");
exit(97);
}
(void) close(0);
devnull = open("/dev/null", O_RDWR, 00666);
if((devnull != 0) && (dup2(devnull, 0) == 0))
close(devnull);
gCCPID = (int) fork();
if(gCCPID < 0)
{
(void) close(pipe1[0]);
(void) close(pipe1[1]);
perror("ccdv: fork");
exit(98);
}
else if(gCCPID == 0)
{
/* Child */
(void) close(pipe1[0]); /* close read end */
if(pipe1[1] != 1)
{ /* use write end on stdout */
(void) dup2(pipe1[1], 1);
(void) close(pipe1[1]);
}
(void) dup2(1, 2); /* use write end on stderr */
execvp(argv[1], argv + 1);
perror(argv[1]);
exit(99);
}
/* parent */
(void) close(pipe1[1]); /* close write end */
fd = pipe1[0]; /* use read end */
gColumns = (getenv("COLUMNS") != NULL) ? atoi(getenv("COLUMNS")) : 80;
gANSIEscapes = (getenv("TERM") != NULL)
&&
(strstr
("vt100:vt102:vt220:vt320:xterm:ansi:linux:scoterm:scoansi:dtterm:cons25:cygwin",
getenv("TERM")) != NULL);
gBuf = (char *) malloc(TEXT_BLOCK_SIZE);
if(gBuf == NULL)
goto panic;
gNBufUsed = 0;
gNBufAllocated = TEXT_BLOCK_SIZE;
if(strlen(gArgsStr) < (gNBufAllocated - 1))
{
strcpy(gBuf, gArgsStr);
gNBufUsed = strlen(gArgsStr);
}
if(isatty(1))
{
if(SlurpProgress(fd) < 0)
goto panic;
}
else
{
if(SlurpAll(fd) < 0)
goto panic;
}
DumpFormattedOutput();
exit(gExitStatus);
panic:
gDumpCmdArgs = 1; /* print cmd when there are errors */
DumpFormattedOutput();
while((nread = read(fd, emerg, (size_t) sizeof(emerg))) > 0)
(void) write(2, emerg, (size_t) nread);
Wait();
exit(gExitStatus);
} /* main */
/* eof ccdv.c */