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authorDenis Vlasenko2006-11-25 14:44:13 +0000
committerDenis Vlasenko2006-11-25 14:44:13 +0000
commited836cdc30642ddbecc286b279d461ca44135cbb (patch)
tree70735d4bd1e34de43aa3f8092446caf460bd2540 /libbb/xatol.c
parent809a6e310443d0b5010c8b293cab0160608c1b02 (diff)
downloadbusybox-ed836cdc30642ddbecc286b279d461ca44135cbb.zip
busybox-ed836cdc30642ddbecc286b279d461ca44135cbb.tar.gz
regularize str -> num convertors
Diffstat (limited to 'libbb/xatol.c')
-rw-r--r--libbb/xatol.c236
1 files changed, 0 insertions, 236 deletions
diff --git a/libbb/xatol.c b/libbb/xatol.c
deleted file mode 100644
index cce8ad3..0000000
--- a/libbb/xatol.c
+++ /dev/null
@@ -1,236 +0,0 @@
-/* vi: set sw=4 ts=4: */
-/*
- * ascii-to-numbers implementations for busybox
- *
- * Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org>
- *
- * Licensed under GPLv2, see file LICENSE in this tarball for details.
- */
-
-#include "libbb.h"
-
-unsigned long long xstrtoull(const char *numstr, int base)
-{
- unsigned long long r;
- int old_errno;
- char *e;
- if ((*numstr == '-') || (isspace)(*numstr))
- bb_error_msg_and_die("invalid number '%s'", numstr);
- old_errno = errno;
- errno = 0;
- r = strtoull(numstr, &e, base);
- if (errno || (numstr == e) || *e)
- /* Error / no digits / illegal trailing chars */
- bb_error_msg_and_die("invalid number '%s'", numstr);
- /* No error. So restore errno. */
- errno = old_errno;
- return r;
-}
-
-unsigned long long xatoull(const char *numstr)
-{
- return xstrtoull(numstr, 10);
-}
-
-unsigned long xstrtoul_range_sfx(const char *numstr, int base,
- unsigned long lower,
- unsigned long upper,
- const struct suffix_mult *suffixes)
-{
- unsigned long r;
- int old_errno;
- char *e;
-
- /* Disallow '-' and any leading whitespace. Speed isn't critical here
- * since we're parsing commandline args. So make sure we get the
- * actual isspace function rather than a lnumstrer macro implementaion. */
- if ((*numstr == '-') || (isspace)(*numstr))
- goto inval;
-
- /* Since this is a lib function, we're not allowed to reset errno to 0.
- * Doing so could break an app that is deferring checking of errno.
- * So, save the old value so that we can restore it if successful. */
- old_errno = errno;
- errno = 0;
- r = strtoul(numstr, &e, base);
- /* Do the initial validity check. Note: The standards do not
- * guarantee that errno is set if no digits were found. So we
- * must test for this explicitly. */
- if (errno || (numstr == e))
- goto inval; /* error / no digits / illegal trailing chars */
-
- errno = old_errno; /* Ok. So restore errno. */
-
- /* Do optional suffix parsing. Allow 'empty' suffix tables.
- * Note that we also allow nul suffixes with associated multipliers,
- * to allow for scaling of the numstr by some default multiplier. */
- if (suffixes) {
- while (suffixes->suffix) {
- if (strcmp(suffixes->suffix, e) == 0) {
- if (ULONG_MAX / suffixes->mult < r)
- goto range; /* overflow! */
- ++e;
- r *= suffixes->mult;
- break;
- }
- ++suffixes;
- }
- }
-
- /* Note: trailing space is an error.
- It would be easy enough to allow though if desired. */
- if (*e)
- goto inval;
- /* Finally, check for range limits. */
- if (r >= lower && r <= upper)
- return r;
- range:
- bb_error_msg_and_die("number %s is not in %lu..%lu range",
- numstr, lower, upper);
- inval:
- bb_error_msg_and_die("invalid number '%s'", numstr);
-}
-
-unsigned long xstrtoul_range(const char *numstr, int base,
- unsigned long lower,
- unsigned long upper)
-{
- return xstrtoul_range_sfx(numstr, base, lower, upper, NULL);
-}
-
-unsigned long xstrtoul_sfx(const char *numstr, int base,
- const struct suffix_mult *suffixes)
-{
- return xstrtoul_range_sfx(numstr, base, 0, ULONG_MAX, suffixes);
-}
-
-unsigned long xstrtoul(const char *numstr, int base)
-{
- return xstrtoul_range_sfx(numstr, base, 0, ULONG_MAX, NULL);
-}
-
-unsigned long xatoul_range_sfx(const char *numstr,
- unsigned long lower,
- unsigned long upper,
- const struct suffix_mult *suffixes)
-{
- return xstrtoul_range_sfx(numstr, 10, lower, upper, suffixes);
-}
-
-unsigned long xatoul_sfx(const char *numstr,
- const struct suffix_mult *suffixes)
-{
- return xstrtoul_range_sfx(numstr, 10, 0, ULONG_MAX, suffixes);
-}
-
-unsigned long xatoul_range(const char *numstr,
- unsigned long lower,
- unsigned long upper)
-{
- return xstrtoul_range_sfx(numstr, 10, lower, upper, NULL);
-}
-
-unsigned long xatoul(const char *numstr)
-{
- return xatoul_sfx(numstr, NULL);
-}
-
-/* Signed ones */
-
-long xstrtol_range_sfx(const char *numstr, int base,
- long lower,
- long upper,
- const struct suffix_mult *suffixes)
-{
- unsigned long u = LONG_MAX;
- long r;
- const char *p = numstr;
-
- if ((p[0] == '-') && (p[1] != '+')) {
- ++p;
- ++u; /* two's complement */
- }
-
- r = xstrtoul_range_sfx(p, base, 0, u, suffixes);
-
- if (*numstr == '-') {
- r = -r;
- }
-
- if (r < lower || r > upper) {
- bb_error_msg_and_die("number %s is not in %ld..%ld range",
- numstr, lower, upper);
- }
-
- return r;
-}
-
-long xstrtol_range(const char *numstr, int base, long lower, long upper)
-{
- return xstrtol_range_sfx(numstr, base, lower, upper, NULL);
-}
-
-long xatol_range_sfx(const char *numstr,
- long lower,
- long upper,
- const struct suffix_mult *suffixes)
-{
- return xstrtol_range_sfx(numstr, 10, lower, upper, suffixes);
-}
-
-long xatol_range(const char *numstr, long lower, long upper)
-{
- return xstrtol_range_sfx(numstr, 10, lower, upper, NULL);
-}
-
-long xatol_sfx(const char *numstr, const struct suffix_mult *suffixes)
-{
- return xstrtol_range_sfx(numstr, 10, LONG_MIN, LONG_MAX, suffixes);
-}
-
-long xatol(const char *numstr)
-{
- return xstrtol_range_sfx(numstr, 10, LONG_MIN, LONG_MAX, NULL);
-}
-
-/* Others */
-
-unsigned xatou_range(const char *numstr, unsigned lower, unsigned upper)
-{
- return xstrtoul_range_sfx(numstr, 10, lower, upper, NULL);
-}
-
-unsigned xatou_sfx(const char *numstr, const struct suffix_mult *suffixes)
-{
- return xstrtoul_range_sfx(numstr, 10, 0, UINT_MAX, suffixes);
-}
-
-unsigned xatou(const char *numstr)
-{
- return xatoul_range(numstr, 0, UINT_MAX);
-}
-
-int xatoi_range(const char *numstr, int lower, int upper)
-{
- return xatol_range(numstr, lower, upper);
-}
-
-int xatoi(const char *numstr)
-{
- return xatol_range(numstr, INT_MIN, INT_MAX);
-}
-
-int xatoi_u(const char *numstr)
-{
- return xatoul_range(numstr, 0, INT_MAX);
-}
-
-uint32_t xatou32(const char *numstr)
-{
- return xatoul_range(numstr, 0, 0xffffffff);
-}
-
-uint16_t xatou16(const char *numstr)
-{
- return xatoul_range(numstr, 0, 0xffff);
-}