Some formatting updates (ran the code through indent)

 -Erik

1 files changed, 262 insertions, 260 deletions

diff --git a/editors/sed.c b/editors/sed.c
index 2577724..3a7737e 100644
--- a/editors/sed.c
+++ b/editors/sed.c
@@ -1,3 +1,4 @@
+/* vi: set sw=4 ts=4: */
 /*
  * Mini sed implementation for busybox
  *
@@ -37,27 +38,27 @@
 #include <ctype.h>
 
 static const char sed_usage[] =
-    "sed [-n] -e script [file...]\n\n"
-    "Allowed sed scripts come in the following form:\n"
-    "\t'ADDR [!] COMMAND'\n\n"
-    "\twhere address ADDR can be:\n"
-    "\t  NUMBER    Match specified line number\n"
-    "\t  $         Match last line\n"
-    "\t  /REGEXP/  Match specified regexp\n"
-    "\t  (! inverts the meaning of the match)\n\n"
-    "\tand COMMAND can be:\n"
-    "\t  s/regexp/replacement/[igp]\n"
-    "\t     which attempt to match regexp against the pattern space\n"
-    "\t     and if successful replaces the matched portion with replacement.\n\n"
-    "\t  aTEXT\n"
-    "\t     which appends TEXT after the pattern space\n"
-    "Options:\n"
-    "-e\tadd the script to the commands to be executed\n"
-    "-n\tsuppress automatic printing of pattern space\n\n"
+	"sed [-n] -e script [file...]\n\n"
+	"Allowed sed scripts come in the following form:\n"
+	"\t'ADDR [!] COMMAND'\n\n"
+	"\twhere address ADDR can be:\n"
+	"\t  NUMBER    Match specified line number\n"
+	"\t  $         Match last line\n"
+	"\t  /REGEXP/  Match specified regexp\n"
+	"\t  (! inverts the meaning of the match)\n\n"
+	"\tand COMMAND can be:\n"
+	"\t  s/regexp/replacement/[igp]\n"
+	"\t     which attempt to match regexp against the pattern space\n"
+	"\t     and if successful replaces the matched portion with replacement.\n\n"
+	"\t  aTEXT\n"
+	"\t     which appends TEXT after the pattern space\n"
+	"Options:\n"
+	"-e\tadd the script to the commands to be executed\n"
+	"-n\tsuppress automatic printing of pattern space\n\n"
 #if defined BB_REGEXP
-    "This version of sed matches full regular expresions.\n";
+	"This version of sed matches full regular expresions.\n";
 #else
-    "This version of sed matches strings (not full regular expresions).\n";
+	"This version of sed matches strings (not full regular expresions).\n";
 #endif
 
 /* Flags & variables */
@@ -76,276 +77,277 @@ static int negated = 0;
 
 static inline int at_last(FILE * fp)
 {
-    int res = 0;
-
-    if (feof(fp))
-	return 1;
-    else {
-	char ch;
-	if ((ch = fgetc(fp)) == EOF)
-	    res++;
-	ungetc(ch, fp);
-    }
-    return res;
+	int res = 0;
+
+	if (feof(fp))
+		return 1;
+	else {
+		char ch;
+
+		if ((ch = fgetc(fp)) == EOF)
+			res++;
+		ungetc(ch, fp);
+	}
+	return res;
 }
 
 static void do_sed_repl(FILE * fp, char *needle, char *newNeedle,
-			int ignoreCase, int printFlag, int quietFlag)
+						int ignoreCase, int printFlag, int quietFlag)
 {
-    int foundOne = FALSE;
-    char haystack[BUFSIZE];
-    int line = 1, doit;
-
-    while (fgets(haystack, BUFSIZE - 1, fp)) {
-	doit = 0;
-	if (addr_pattern) {
-	    doit = !find_match(haystack, addr_pattern, FALSE);
-	} else if (addr_line == NO_LINE)
-	    doit = 1;
-	else if (addr_line == LAST_LINE) {
-	    if (at_last(fp))
-		doit = 1;
-	} else {
-	    if (line == addr_line)
-		doit = 1;
-	}
-	if (negated)
-	    doit = 1 - doit;
-	if (doit) {
-	    foundOne =
-		replace_match(haystack, needle, newNeedle, ignoreCase);
-
-	    if (foundOne == TRUE && printFlag == TRUE) {
-		fprintf(stdout, haystack);
-	    }
-	}
+	int foundOne = FALSE;
+	char haystack[BUFSIZE];
+	int line = 1, doit;
+
+	while (fgets(haystack, BUFSIZE - 1, fp)) {
+		doit = 0;
+		if (addr_pattern) {
+			doit = !find_match(haystack, addr_pattern, FALSE);
+		} else if (addr_line == NO_LINE)
+			doit = 1;
+		else if (addr_line == LAST_LINE) {
+			if (at_last(fp))
+				doit = 1;
+		} else {
+			if (line == addr_line)
+				doit = 1;
+		}
+		if (negated)
+			doit = 1 - doit;
+		if (doit) {
+			foundOne =
+				replace_match(haystack, needle, newNeedle, ignoreCase);
+
+			if (foundOne == TRUE && printFlag == TRUE) {
+				fprintf(stdout, haystack);
+			}
+		}
 
-	if (quietFlag == FALSE) {
-	    fprintf(stdout, haystack);
-	}
+		if (quietFlag == FALSE) {
+			fprintf(stdout, haystack);
+		}
 
-	line++;
-    }
+		line++;
+	}
 }
 
 static void do_sed_append(FILE * fp, char *appendline, int quietFlag)
 {
-    char buffer[BUFSIZE];
-    int line = 1, doit;
-
-    while (fgets(buffer, BUFSIZE - 1, fp)) {
-	doit = 0;
-	if (addr_pattern) {
-	    doit = !find_match(buffer, addr_pattern, FALSE);
-	} else if (addr_line == NO_LINE)
-	    doit = 1;
-	else if (addr_line == LAST_LINE) {
-	    if (at_last(fp))
-		doit = 1;
-	} else {
-	    if (line == addr_line)
-		doit = 1;
-	}
-	if (negated)
-	    doit = 1 - doit;
-	if (quietFlag == FALSE) {
-	    fprintf(stdout, buffer);
-	}
-	if (doit) {
-	    fputs(appendline, stdout);
-	    fputc('\n', stdout);
-	}
+	char buffer[BUFSIZE];
+	int line = 1, doit;
+
+	while (fgets(buffer, BUFSIZE - 1, fp)) {
+		doit = 0;
+		if (addr_pattern) {
+			doit = !find_match(buffer, addr_pattern, FALSE);
+		} else if (addr_line == NO_LINE)
+			doit = 1;
+		else if (addr_line == LAST_LINE) {
+			if (at_last(fp))
+				doit = 1;
+		} else {
+			if (line == addr_line)
+				doit = 1;
+		}
+		if (negated)
+			doit = 1 - doit;
+		if (quietFlag == FALSE) {
+			fprintf(stdout, buffer);
+		}
+		if (doit) {
+			fputs(appendline, stdout);
+			fputc('\n', stdout);
+		}
 
-	line++;
-    }
+		line++;
+	}
 }
 
 extern int sed_main(int argc, char **argv)
 {
-    FILE *fp;
-    char *needle = NULL, *newNeedle = NULL;
-    char *name;
-    char *cp;
-    int ignoreCase = FALSE;
-    int printFlag = FALSE;
-    int quietFlag = FALSE;
-    int stopNow;
-    char *line_s = NULL, saved;
-    char *appendline = NULL;
-    char *pos;
-    sed_function sed_f = f_none;
-
-    argc--;
-    argv++;
-    if (argc < 1) {
-	usage(sed_usage);
-    }
-
-    if (**argv == '-') {
-	argc--;
-	cp = *argv++;
-	stopNow = FALSE;
-
-	while (*++cp && stopNow == FALSE) {
-	    switch (*cp) {
-	    case 'n':
-		quietFlag = TRUE;
-		break;
-	    case 'e':
-		if (*(cp + 1) == 0 && --argc < 0) {
-		    usage(sed_usage);
-		}
-		if (*++cp != 's')
-		    cp = *argv++;
-
-		/* Read address if present */
-		SKIPSPACES(cp);
-		if (*cp == '$') {
-		    addr_line = LAST_LINE;
-		    cp++;
-		} else {
-		    if (isdigit(*cp)) {	/* LINE ADDRESS   */
-			line_s = cp;
-			while (isdigit(*cp))
-			    cp++;
-			if (cp > line_s) {
-			    /* numeric line */
-			    saved = *cp;
-			    *cp = '\0';
-			    addr_line = atoi(line_s);
-			    *cp = saved;
-			}
-		    } else if (*cp == '/') {	/* PATTERN ADDRESS */
-			pos = addr_pattern = cp + 1;
-			pos = strchr(pos, '/');
-			if (!pos)
-			    usage(sed_usage);
-			*pos = '\0';
-			cp = pos + 1;
-		    }
-		}
-
-		SKIPSPACES(cp);
-		if (*cp == '!') {
-		    negated++;
-		    cp++;
-		}
+	FILE *fp;
+	char *needle = NULL, *newNeedle = NULL;
+	char *name;
+	char *cp;
+	int ignoreCase = FALSE;
+	int printFlag = FALSE;
+	int quietFlag = FALSE;
+	int stopNow;
+	char *line_s = NULL, saved;
+	char *appendline = NULL;
+	char *pos;
+	sed_function sed_f = f_none;
 
-		/* Read command */
+	argc--;
+	argv++;
+	if (argc < 1) {
+		usage(sed_usage);
+	}
 
-		SKIPSPACES(cp);
-		switch (*cp) {
-		case 's':	/* REPLACE */
-		    if (strlen(cp) <= 3 || *(cp + 1) != '/')
-			break;
-		    sed_f = f_replace;
+	if (**argv == '-') {
+		argc--;
+		cp = *argv++;
+		stopNow = FALSE;
 
-		    pos = needle = cp + 2;
+		while (*++cp && stopNow == FALSE) {
+			switch (*cp) {
+			case 'n':
+				quietFlag = TRUE;
+				break;
+			case 'e':
+				if (*(cp + 1) == 0 && --argc < 0) {
+					usage(sed_usage);
+				}
+				if (*++cp != 's')
+					cp = *argv++;
+
+				/* Read address if present */
+				SKIPSPACES(cp);
+				if (*cp == '$') {
+					addr_line = LAST_LINE;
+					cp++;
+				} else {
+					if (isdigit(*cp)) {	/* LINE ADDRESS   */
+						line_s = cp;
+						while (isdigit(*cp))
+							cp++;
+						if (cp > line_s) {
+							/* numeric line */
+							saved = *cp;
+							*cp = '\0';
+							addr_line = atoi(line_s);
+							*cp = saved;
+						}
+					} else if (*cp == '/') {	/* PATTERN ADDRESS */
+						pos = addr_pattern = cp + 1;
+						pos = strchr(pos, '/');
+						if (!pos)
+							usage(sed_usage);
+						*pos = '\0';
+						cp = pos + 1;
+					}
+				}
+
+				SKIPSPACES(cp);
+				if (*cp == '!') {
+					negated++;
+					cp++;
+				}
+
+				/* Read command */
+
+				SKIPSPACES(cp);
+				switch (*cp) {
+				case 's':		/* REPLACE */
+					if (strlen(cp) <= 3 || *(cp + 1) != '/')
+						break;
+					sed_f = f_replace;
+
+					pos = needle = cp + 2;
+
+					for (;;) {
+						pos = strchr(pos, '/');
+						if (pos == NULL) {
+							usage(sed_usage);
+						}
+						if (*(pos - 1) == '\\') {
+							pos++;
+							continue;
+						}
+						break;
+					}
+					*pos = 0;
+					newNeedle = ++pos;
+					for (;;) {
+						pos = strchr(pos, '/');
+						if (pos == NULL) {
+							usage(sed_usage);
+						}
+						if (*(pos - 1) == '\\') {
+							pos++;
+							continue;
+						}
+						break;
+					}
+					*pos = 0;
+					if (pos + 2 != 0) {
+						while (*++pos) {
+							switch (*pos) {
+							case 'i':
+								ignoreCase = TRUE;
+								break;
+							case 'p':
+								printFlag = TRUE;
+								break;
+							case 'g':
+								break;
+							default:
+								usage(sed_usage);
+							}
+						}
+					}
+					cp = pos;
+					/* fprintf(stderr, "replace '%s' with '%s'\n", needle, newNeedle); */
+					break;
+
+				case 'a':		/* APPEND */
+					if (strlen(cp) < 2)
+						break;
+					sed_f = f_append;
+					appendline = ++cp;
+					/* fprintf(stderr, "append '%s'\n", appendline); */
+					break;
+				}
+
+				stopNow = TRUE;
+				break;
 
-		    for (;;) {
-			pos = strchr(pos, '/');
-			if (pos == NULL) {
-			    usage(sed_usage);
-			}
-			if (*(pos - 1) == '\\') {
-			    pos++;
-			    continue;
+			default:
+				usage(sed_usage);
 			}
+		}
+	}
+
+	if (argc == 0) {
+		switch (sed_f) {
+		case f_none:
 			break;
-		    }
-		    *pos = 0;
-		    newNeedle = ++pos;
-		    for (;;) {
-			pos = strchr(pos, '/');
-			if (pos == NULL) {
-			    usage(sed_usage);
-			}
-			if (*(pos - 1) == '\\') {
-			    pos++;
-			    continue;
-			}
+		case f_replace:
+			do_sed_repl(stdin, needle, newNeedle, ignoreCase, printFlag,
+						quietFlag);
 			break;
-		    }
-		    *pos = 0;
-		    if (pos + 2 != 0) {
-			while (*++pos) {
-			    switch (*pos) {
-			    case 'i':
-				ignoreCase = TRUE;
+		case f_append:
+			do_sed_append(stdin, appendline, quietFlag);
+			break;
+		}
+	} else {
+		while (argc-- > 0) {
+			name = *argv++;
+
+			fp = fopen(name, "r");
+			if (fp == NULL) {
+				perror(name);
+				continue;
+			}
+
+			switch (sed_f) {
+			case f_none:
 				break;
-			    case 'p':
-				printFlag = TRUE;
+			case f_replace:
+				do_sed_repl(fp, needle, newNeedle, ignoreCase, printFlag,
+							quietFlag);
 				break;
-			    case 'g':
+			case f_append:
+				do_sed_append(fp, appendline, quietFlag);
 				break;
-			    default:
-				usage(sed_usage);
-			    }
 			}
-		    }
-		    cp = pos;
-		    /* fprintf(stderr, "replace '%s' with '%s'\n", needle, newNeedle); */
-		    break;
 
-		case 'a':	/* APPEND */
-		    if (strlen(cp) < 2)
-			break;
-		    sed_f = f_append;
-		    appendline = ++cp;
-		    /* fprintf(stderr, "append '%s'\n", appendline); */
-		    break;
-		}
+			if (ferror(fp))
+				perror(name);
 
-		stopNow = TRUE;
-		break;
-
-	    default:
-		usage(sed_usage);
-	    }
-	}
-    }
-
-    if (argc == 0) {
-	switch (sed_f) {
-	case f_none:
-	    break;
-	case f_replace:
-	    do_sed_repl(stdin, needle, newNeedle, ignoreCase, printFlag,
-			quietFlag);
-	    break;
-	case f_append:
-	    do_sed_append(stdin, appendline, quietFlag);
-	    break;
-	}
-    } else {
-	while (argc-- > 0) {
-	    name = *argv++;
-
-	    fp = fopen(name, "r");
-	    if (fp == NULL) {
-		perror(name);
-		continue;
-	    }
-
-	    switch (sed_f) {
-	    case f_none:
-		break;
-	    case f_replace:
-		do_sed_repl(fp, needle, newNeedle, ignoreCase, printFlag,
-			    quietFlag);
-		break;
-	    case f_append:
-		do_sed_append(fp, appendline, quietFlag);
-		break;
-	    }
-
-	    if (ferror(fp))
-		perror(name);
-
-	    fclose(fp);
+			fclose(fp);
+		}
 	}
-    }
-    exit(TRUE);
+	exit(TRUE);
 }