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authorGravatar Denis Vlasenko <vda.linux@googlemail.com>2007-10-18 12:54:39 +0000
committerGravatar Denis Vlasenko <vda.linux@googlemail.com>2007-10-18 12:54:39 +0000
commitf74194e942b7a65117914ecc9ddb62d9b1cc9e82 (patch)
tree58799a5cb03d0904e26abef1aa8531b925d80cd6 /include
parent03630784374501baa4d6a81144e54aa7601f5e19 (diff)
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xatonum.h: add comment
lineedit: fix typo in comment httpd: support for proxying connection to other http server (by Alex Landau <landau_alex@yahoo.com>)
Diffstat (limited to 'include')
-rw-r--r--include/xatonum.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/include/xatonum.h b/include/xatonum.h
index 387545518..49ddced50 100644
--- a/include/xatonum.h
+++ b/include/xatonum.h
@@ -105,7 +105,18 @@ static ALWAYS_INLINE uint32_t xatou32(const char *numstr)
return BUG_xatou32_unimplemented();
}
-/* Non-aborting kind of convertors */
+/* Non-aborting kind of convertors: bb_strto[u][l]l */
+
+/* On exit: errno = 0 only if there was non-empty, '\0' terminated value
+ * errno = EINVAL if value was not '\0' terminated, but othervise ok
+ * Return value is still valid, caller should just check whether end[0]
+ * is a valid terminating char for particular case. OTOH, if caller
+ * requires '\0' terminated input, [s]he can just check errno == 0.
+ * errno = ERANGE if value had alphanumeric terminating char ("1234abcg").
+ * errno = ERANGE if value is out of range, missing, etc.
+ * errno = ERANGE if value had minus sign for strtouXX (even "-0" is not ok )
+ * return value is all-ones in this case.
+ */
unsigned long long bb_strtoull(const char *arg, char **endp, int base);
long long bb_strtoll(const char *arg, char **endp, int base);