[hackers] [sbase] add agetline, separate estrtod to util || Hiltjo Posthuma

[git]

commit d12e953f18e9746c83d4bed532fa2c51cc3c5d48
Author: Hiltjo Posthuma <hil...@codemadness.org>
Date:   Sun Jun 1 13:57:22 2014 +0200

    add agetline, separate estrtod to util
    
    Signed-off-by: Hiltjo Posthuma <hil...@codemadness.org>

diff --git a/Makefile b/Makefile
index ad1e43b..abfceab 100644
--- a/Makefile
+++ b/Makefile
@@ -7,12 +7,14 @@ HDR = crypt.h fs.h text.h md5.h sha1.h sha256.h sha512.h 
util.h arg.h
 LIB = \
        util/afgets.o    \
        util/agetcwd.o   \
+       util/agetline.o  \
        util/apathmax.o  \
        util/concat.o    \
        util/cp.o        \
        util/crypt.o     \
        util/enmasse.o   \
        util/eprintf.o   \
+       util/estrtod.o   \
        util/estrtol.o   \
        util/fnck.o      \
        util/getlines.o  \
diff --git a/seq.c b/seq.c
index 5b3d5f0..9beb568 100644
--- a/seq.c
+++ b/seq.c
@@ -8,7 +8,6 @@
 
 static int digitsleft(const char *);
 static int digitsright(const char *);
-static double estrtod(const char *);
 static bool validfmt(const char *);
 
 static void
@@ -75,7 +74,7 @@ main(int argc, char *argv[])
                        left = MAX(digitsleft(starts), digitsleft(ends));
 
                        snprintf(ftmp, sizeof ftmp, "%%0%d.%df",
-                                       right+left+(right != 0), right);
+                                       right + left + (right != 0), right);
                } else
                        snprintf(ftmp, sizeof ftmp, "%%.%df", right);
        }
@@ -89,7 +88,7 @@ main(int argc, char *argv[])
        return EXIT_SUCCESS;
 }
 
-int
+static int
 digitsleft(const char *d)
 {
        char *exp;
@@ -100,10 +99,10 @@ digitsleft(const char *d)
        exp = strpbrk(d, "eE");
        shift = exp ? estrtol(&exp[1], 10) : 0;
 
-       return MAX(0, strspn(d, "-0123456789")+shift);
+       return MAX(0, strspn(d, "-0123456789") + shift);
 }
 
-int
+static int
 digitsright(const char *d)
 {
        char *exp;
@@ -113,22 +112,10 @@ digitsright(const char *d)
        shift = exp ? estrtol(&exp[1], 10) : 0;
        after = (d = strchr(d, '.')) ? strspn(&d[1], "0123456789") : 0;
 
-       return MAX(0, after-shift);
+       return MAX(0, after - shift);
 }
 
-double
-estrtod(const char *s)
-{
-       char *end;
-       double d;
-
-       d = strtod(s, &end);
-       if(end == s || *end != '