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[Qemu-devel] [PATCH] Replace non-portable asprintf by g_strdup_printf
From: |
Stefan Weil |
Subject: |
[Qemu-devel] [PATCH] Replace non-portable asprintf by g_strdup_printf |
Date: |
Wed, 16 Jan 2013 18:37:23 +0100 |
g_strdup_printf already handles OOM errors, so some error handling in
QEMU code can be removed.
Signed-off-by: Stefan Weil <address@hidden>
---
TODO:
* hardware_address is set, but obviously never used.
* pathname has no free / g_free.
Regards,
Stefan Weil
exec.c | 8 +++-----
qga/commands-posix.c | 13 +++++--------
util/path.c | 5 +----
3 files changed, 9 insertions(+), 17 deletions(-)
diff --git a/exec.c b/exec.c
index 5689613..b85508b 100644
--- a/exec.c
+++ b/exec.c
@@ -863,18 +863,16 @@ static void *file_ram_alloc(RAMBlock *block,
return NULL;
}
- if (asprintf(&filename, "%s/qemu_back_mem.XXXXXX", path) == -1) {
- return NULL;
- }
+ filename = g_strdup_printf("%s/qemu_back_mem.XXXXXX", path);
fd = mkstemp(filename);
if (fd < 0) {
perror("unable to create backing store for hugepages");
- free(filename);
+ g_free(filename);
return NULL;
}
unlink(filename);
- free(filename);
+ g_free(filename);
memory = (memory+hpagesize-1) & ~(hpagesize-1);
diff --git a/qga/commands-posix.c b/qga/commands-posix.c
index 77f6ee7..0ad73f3 100644
--- a/qga/commands-posix.c
+++ b/qga/commands-posix.c
@@ -939,14 +939,11 @@ GuestNetworkInterfaceList
*qmp_guest_network_get_interfaces(Error **errp)
mac_addr = (unsigned char *) &ifr.ifr_hwaddr.sa_data;
- if (asprintf(&info->value->hardware_address,
- "%02x:%02x:%02x:%02x:%02x:%02x",
- (int) mac_addr[0], (int) mac_addr[1],
- (int) mac_addr[2], (int) mac_addr[3],
- (int) mac_addr[4], (int) mac_addr[5]) == -1) {
- error_setg_errno(errp, errno, "failed to format MAC");
- goto error;
- }
+ info->value->hardware_address =
+ g_strdup_printf("%02x:%02x:%02x:%02x:%02x:%02x",
+ (int) mac_addr[0], (int) mac_addr[1],
+ (int) mac_addr[2], (int) mac_addr[3],
+ (int) mac_addr[4], (int) mac_addr[5]);
info->value->has_hardware_address = true;
close(sock);
diff --git a/util/path.c b/util/path.c
index 4c5b0f6..f0c6962 100644
--- a/util/path.c
+++ b/util/path.c
@@ -47,10 +47,7 @@ static struct pathelem *new_entry(const char *root,
{
struct pathelem *new = malloc(sizeof(*new));
new->name = strdup(name);
- if (asprintf(&new->pathname, "%s/%s", root, name) == -1) {
- printf("Cannot allocate memory\n");
- exit(1);
- }
+ new->pathname = g_strdup_printf("%s/%s", root, name);
new->num_entries = 0;
return new;
}
--
1.7.10.4
- [Qemu-devel] [PATCH] Replace non-portable asprintf by g_strdup_printf,
Stefan Weil <=