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systemd/ccdv.c

388 lines
9.5 KiB
C

/* ccdv.c
*
* Copyright (C) 2002-2003, by Mike Gleason, NcFTP Software.
* All Rights Reserved.
*
* Licensed under the GNU Public License.
*/
#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_NORMAL (gANSIEscapes ? "\033\1330;39m" : "")
#define TEXT_BLOCK_SIZE 8192
#define INDENT 2
#define TERMS "vt100:vt102:vt220:vt320:xterm:xterm-color:ansi:linux:scoterm:scoansi:dtterm:cons25:cygwin"
size_t gNBufUsed = 0, gNBufAllocated = 0;
char *gBuf = NULL;
int gCCPID;
char gAction[200] = "";
char gTarget[200] = "";
char gAr[32] = "";
char gArLibraryTarget[64] = "";
int gDumpCmdArgs = 0;
char gArgsStr[1000];
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;
for (cp = gBuf + ((gDumpCmdArgs == 0) ? strlen(gArgsStr) : 0); ; cp++) {
if (*cp == '\0') {
if (saved != NULL) {
cp = saved;
saved = NULL;
} else break;
}
if (*cp == '\r')
continue;
if (*cp == '\t') {
saved = cp + 1;
cp = spaces + 8 - (8 - ((curcol - INDENT - 1) % 8));
}
if (curcol == 0) {
for (i = INDENT; --i >= 0; )
putchar(' ');
curcol = INDENT;
}
putchar(*cp);
if (++curcol == (gColumns - 1)) {
putchar('\n');
curcol = 0;
} else if (*cp == '\n')
curcol = 0;
}
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 ("");
// printf("Extension='%s'\n", cp);
return (cp);
} /* Extension */
static void Usage(void)
{
fprintf(stderr, "Usage: ccdv /path/to/cc CFLAGS...\n\n");
fprintf(stderr, "I wrote this to reduce the deluge Make output to make finding actual problems\n");
fprintf(stderr, "easier. It is intended to be invoked from Makefiles, like this. Instead of:\n\n");
fprintf(stderr, "\t.c.o:\n");
fprintf(stderr, "\t\t$(CC) $(CFLAGS) $(DEFS) $(CPPFLAGS) $< -c\n");
fprintf(stderr, "\nRewrite your rule so it looks like:\n\n");
fprintf(stderr, "\t.c.o:\n");
fprintf(stderr, "\t\t@ccdv $(CC) $(CFLAGS) $(DEFS) $(CPPFLAGS) $< -c\n\n");
fprintf(stderr, "ccdv 1.1.0 is Free under the GNU Public License. Enjoy!\n");
fprintf(stderr, " -- Mike Gleason, NcFTP Software <http://www.ncftp.com>\n");
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, pch = 0;
const char *quote;
if (argc < 2)
Usage();
snprintf(gAction, sizeof(gAction), "Running %s", Basename(argv[1]));
memset(gArgsStr, 0, sizeof(gArgsStr));
for (i = 1; i < argc; i++) {
// printf("argv[%d]='%s'\n", i, argv[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 ((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]));
// printf("gTarget='%s'\n", gTarget);
} else if ((strncasecmp(Extension(argv[i]), ".h", 2) == 0) && (cc == 0)) {
pch++;
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 (pch > 0) {
strcpy(gAction, "Precompiling");
} else if (cc > 0) {
strcpy(gAction, "Compiling");
}
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(TERMS, 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 */