mkb

commit 5da1768ac0aae5a2fd93cea096a0d69245220148
Author: z3bra <willy@mailoo.org>
Date:   Sun Feb 15 12:28:49 2015

initial commit. Maybe latest?

Diffstat:
 Makefile | 40 ++++++++++++++++++++++++++++++++++++++++
 mkb.c    | 41 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 81 insertions(+), 0 deletions(-)
diff --git a/Makefile b/Makefile
@@ -0,0 +1,40 @@
+PREFIX:=/usr
+MANPREFIX:=$(PREFIX)/share/man
+
+CC      := tcc
+LD      := $(CC)
+
+CFLAGS  += -pedantic -Wall
+LDFLAGS +=
+
+BIN = mkb
+SRC =           \
+	mkb.c
+
+OBJ = $(SRC:.c=.o)
+
+.POSIX:
+.SUFFIXES: .1 .1.gz
+
+all: binutils
+
+binutils: $(BIN)
+
+.o:
+	@echo "LD $@"
+	@$(LD) $< -o $@ $(LDFLAGS)
+
+.c.o:
+	@echo "CC $<"
+	@$(CC) -c $< -o $@ $(CFLAGS)
+
+install: $(BIN)
+	mkdir -p $(DESTDIR)$(PREFIX)/bin/
+	cp -f $(BIN) $(DESTDIR)$(PREFIX)/bin/
+	chmod 755 $(DESTDIR)$(PREFIX)/bin/$(BIN)
+
+uninstall:
+	rm -f $(DESTDIR)$(PREFIX)/bin/$(BIN); \
+
+clean :
+	rm -f $(OBJ) $(BIN)
diff --git a/mkb.c b/mkb.c
@@ -0,0 +1,41 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <err.h>
+
+#define DEFAULT_SIZE 32
+#define DEFAULT_CHAR1 "▣"
+#define DEFAULT_CHAR2 "▣"
+
+int
+main (int argc, char **argv)
+{
+	int i;
+	unsigned float size = 0;
+	unsigned float value = 0;
+	char *char1 = NULL;
+	char *char2 = NULL;
+	char *current = NULL;
+
+	size = getenv("SIZE") ? atoi(getenv("SIZE")) : DEFAULT_SIZE;
+	char1 = getenv("CHAR1") ? getenv("CHAR1") : DEFAULT_CHAR1;
+	char2 = getenv("CHAR2") ? getenv("CHAR2") : DEFAULT_CHAR2;
+
+	if (argc < 2)
+		scanf("%f", &value);
+	else
+		value = atof(argv[1]);
+
+	if (value > 100)
+		errx(1, "value should remain between 0 and 100");
+
+	for (i=0; i<size; i++) {
+		current = (i < value / 100 * size) ? char1 : char2;
+		write(fileno(stdout), current, strnlen(current, 32));
+	}
+
+	putc('\n', stdout);
+
+	return 0;
+}