From 551dae405a3af7f81ac360ec5bb316fb9b7aeec8 Mon Sep 17 00:00:00 2001
From: Karel Zak
Date: Tue, 15 May 2012 17:40:03 +0200
Subject: lib/strutils: create type specific strtoxx_or_err()

We need [un]signed int ([u]int32_t) on many places. It's also more
readable and robust to use uintXX_t types than for example "long long".

Signed-off-by: Karel Zak <kzak@redhat.com>
---
 lib/strutils.c | 95 +++++++++++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 74 insertions(+), 21 deletions(-)

(limited to 'lib/strutils.c')

diff --git a/lib/strutils.c b/lib/strutils.c
index bdcdef342..6bdc01d38 100644
--- a/lib/strutils.c
+++ b/lib/strutils.c
@@ -167,18 +167,55 @@ char *strndup(const char *s, size_t n)
 }
 #endif
 
-/*
- * same as strtod(3) but exit on failure instead of returning crap
- */
-double strtod_or_err(const char *str, const char *errmesg)
+int16_t strtos16_or_err(const char *str, const char *errmesg)
 {
-	double num;
+	int32_t num = strtos32_or_err(str, errmesg);
+
+	if (num < INT16_MIN || num > INT16_MAX)
+		errx(STRTOXX_EXIT_CODE, "%s: '%s'", errmesg, str);
+
+	return num;
+}
+
+uint16_t strtou16_or_err(const char *str, const char *errmesg)
+{
+	uint32_t num = strtou32_or_err(str, errmesg);
+
+	if (num > UINT16_MAX)
+		errx(STRTOXX_EXIT_CODE, "%s: '%s'", errmesg, str);
+
+	return num;
+}
+
+int32_t strtos32_or_err(const char *str, const char *errmesg)
+{
+	int64_t num = strtos64_or_err(str, errmesg);
+
+	if (num < INT32_MIN || num > INT32_MAX)
+		errx(STRTOXX_EXIT_CODE, "%s: '%s'", errmesg, str);
+
+	return num;
+}
+
+uint32_t strtou32_or_err(const char *str, const char *errmesg)
+{
+	uint64_t num = strtou64_or_err(str, errmesg);
+
+	if (num > UINT32_MAX)
+		errx(STRTOXX_EXIT_CODE, "%s: '%s'", errmesg, str);
+
+	return num;
+}
+
+int64_t strtos64_or_err(const char *str, const char *errmesg)
+{
+	int64_t num;
 	char *end = NULL;
 
 	if (str == NULL || *str == '\0')
 		goto err;
 	errno = 0;
-	num = strtod(str, &end);
+	num = strtoimax(str, &end, 10);
 
 	if (errno || str == end || (end && *end))
 		goto err;
@@ -190,18 +227,16 @@ err:
 
 	errx(STRTOXX_EXIT_CODE, "%s: '%s'", errmesg, str);
 }
-/*
- * same as strtol(3) but exit on failure instead of returning crap
- */
-long strtol_or_err(const char *str, const char *errmesg)
+
+uint64_t strtou64_or_err(const char *str, const char *errmesg)
 {
-	long num;
+	uintmax_t num;
 	char *end = NULL;
 
 	if (str == NULL || *str == '\0')
 		goto err;
 	errno = 0;
-	num = strtol(str, &end, 10);
+	num = strtoumax(str, &end, 10);
 
 	if (errno || str == end || (end && *end))
 		goto err;
@@ -210,20 +245,20 @@ long strtol_or_err(const char *str, const char *errmesg)
 err:
 	if (errno)
 		err(STRTOXX_EXIT_CODE, "%s: '%s'", errmesg, str);
+
 	errx(STRTOXX_EXIT_CODE, "%s: '%s'", errmesg, str);
 }
-/*
- * same as strtoll(3) but exit on failure instead of returning crap
- */
-long long strtoll_or_err(const char *str, const char *errmesg)
+
+
+double strtod_or_err(const char *str, const char *errmesg)
 {
-	long long num;
+	double num;
 	char *end = NULL;
 
 	if (str == NULL || *str == '\0')
 		goto err;
 	errno = 0;
-	num = strtoll(str, &end, 10);
+	num = strtod(str, &end);
 
 	if (errno || str == end || (end && *end))
 		goto err;
@@ -235,9 +270,27 @@ err:
 
 	errx(STRTOXX_EXIT_CODE, "%s: '%s'", errmesg, str);
 }
-/*
- * same as strtoul(3) but exit on failure instead of returning crap
- */
+
+long strtol_or_err(const char *str, const char *errmesg)
+{
+	long num;
+	char *end = NULL;
+
+	if (str == NULL || *str == '\0')
+		goto err;
+	errno = 0;
+	num = strtol(str, &end, 10);
+
+	if (errno || str == end || (end && *end))
+		goto err;
+
+	return num;
+err:
+	if (errno)
+		err(STRTOXX_EXIT_CODE, "%s: '%s'", errmesg, str);
+	errx(STRTOXX_EXIT_CODE, "%s: '%s'", errmesg, str);
+}
+
 unsigned long strtoul_or_err(const char *str, const char *errmesg)
 {
 	unsigned long num;
-- 
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