[PATCH] Make the build silent, thanks to a helper program from ncftp

1 files changed, 384 insertions, 0 deletions

diff --git a/ccdv.c b/ccdv.c
new file mode 100644
index 0000000000..069cc461de
--- /dev/null
+++ b/ccdv.c
@@ -0,0 +1,384 @@
+/* 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[64] = "";
+char gTarget[64] = "";
+char gAr[32] = "";
+char gArLibraryTarget[64] = "";
+int gDumpCmdArgs = 0;
+char gArgsStr[800];
+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 ("");
+	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++) {
+		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]));
+		} 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 */