This patch makes virsh use the virFileReadAll API from util.c, instead of
duplicating it. This means we need to export this symbol from the library.
diff -r 1eb02a424697 src/libvirt_sym.version
--- a/src/libvirt_sym.version Sat Jan 19 13:45:07 2008 -0500
+++ b/src/libvirt_sym.version Sat Jan 19 14:28:41 2008 -0500
@@ -131,5 +131,7 @@
__virDomainMigratePerform;
__virDomainMigrateFinish;
+ __virFileReadAll;
+
local: *;
};
diff -r 1eb02a424697 src/util.c
--- a/src/util.c Sat Jan 19 13:45:07 2008 -0500
+++ b/src/util.c Sat Jan 19 14:28:41 2008 -0500
@@ -316,9 +316,9 @@ ssize_t safewrite(int fd, const void *bu
}
-int virFileReadAll(const char *path,
- int maxlen,
- char **buf)
+int __virFileReadAll(const char *path,
+ int maxlen,
+ char **buf)
{
FILE *fh;
struct stat st;
diff -r 1eb02a424697 src/util.h
--- a/src/util.h Sat Jan 19 13:45:07 2008 -0500
+++ b/src/util.h Sat Jan 19 14:28:41 2008 -0500
@@ -33,9 +33,10 @@ int saferead(int fd, void *buf, size_t c
int saferead(int fd, void *buf, size_t count);
ssize_t safewrite(int fd, const void *buf, size_t count);
-int virFileReadAll(const char *path,
- int maxlen,
- char **buf);
+int __virFileReadAll(const char *path,
+ int maxlen,
+ char **buf);
+#define virFileReadAll(p,m,b) __virFileReadAll((p),(m),(b))
int virFileMatchesNameSuffix(const char *file,
const char *name,
diff -r 1eb02a424697 src/virsh.c
--- a/src/virsh.c Sat Jan 19 13:45:07 2008 -0500
+++ b/src/virsh.c Sat Jan 19 14:28:41 2008 -0500
@@ -48,6 +48,7 @@
#include "internal.h"
#include "console.h"
+#include "util.h"
static char *progname;
@@ -55,6 +56,8 @@ static char *progname;
#define TRUE 1
#define FALSE 0
#endif
+
+#define VIRSH_MAX_XML_FILE 10*1024*1024
#define VSH_PROMPT_RW "virsh # "
#define VSH_PROMPT_RO "virsh > "
@@ -858,66 +861,6 @@ static vshCmdOptDef opts_create[] = {
{NULL, 0, 0, NULL}
};
-/* Read in a whole file and return it as a string.
- * If it fails, it logs an error and returns NULL.
- * String must be freed by caller.
- */
-static char *
-readFile (vshControl *ctl, const char *filename)
-{
- char *retval;
- int len = 0, fd;
-
- if ((fd = open(filename, O_RDONLY)) == -1) {
- vshError (ctl, FALSE, _("Failed to open '%s': %s"),
- filename, strerror (errno));
- return NULL;
- }
-
- if (!(retval = malloc(len + 1)))
- goto out_of_memory;
-
- while (1) {
- char buffer[1024];
- char *new;
- int ret;
-
- if ((ret = read(fd, buffer, sizeof(buffer))) == 0)
- break;
-
- if (ret == -1) {
- if (errno == EINTR)
- continue;
-
- vshError (ctl, FALSE, _("Failed to open '%s': read: %s"),
- filename, strerror (errno));
- goto error;
- }
-
- if (!(new = realloc(retval, len + ret + 1)))
- goto out_of_memory;
-
- retval = new;
-
- memcpy(retval + len, buffer, ret);
- len += ret;
- }
-
- retval[len] = '\0';
- return retval;
-
- out_of_memory:
- vshError (ctl, FALSE, _("Error allocating memory: %s"),
- strerror(errno));
-
- error:
- if (retval)
- free(retval);
- close(fd);
-
- return NULL;
-}
-
static int
cmdCreate(vshControl * ctl, vshCmd * cmd)
{
@@ -934,8 +877,8 @@ cmdCreate(vshControl * ctl, vshCmd * cmd
if (!found)
return FALSE;
- buffer = readFile (ctl, from);
- if (buffer == NULL) return FALSE;
+ if (virFileReadAll(from, VIRSH_MAX_XML_FILE, &buffer) < 0)
+ return FALSE;
dom = virDomainCreateLinux(ctl->conn, buffer, 0);
free (buffer);
@@ -982,8 +925,8 @@ cmdDefine(vshControl * ctl, vshCmd * cmd
if (!found)
return FALSE;
- buffer = readFile (ctl, from);
- if (buffer == NULL) return FALSE;
+ if (virFileReadAll(from, VIRSH_MAX_XML_FILE, &buffer) < 0)
+ return FALSE;
dom = virDomainDefineXML(ctl->conn, buffer);
free (buffer);
@@ -2372,8 +2315,8 @@ cmdNetworkCreate(vshControl * ctl, vshCm
if (!found)
return FALSE;
- buffer = readFile (ctl, from);
- if (buffer == NULL) return FALSE;
+ if (virFileReadAll(from, VIRSH_MAX_XML_FILE, &buffer) < 0)
+ return FALSE;
network = virNetworkCreateXML(ctl->conn, buffer);
free (buffer);
@@ -2420,8 +2363,8 @@ cmdNetworkDefine(vshControl * ctl, vshCm
if (!found)
return FALSE;
- buffer = readFile (ctl, from);
- if (buffer == NULL) return FALSE;
+ if (virFileReadAll(from, VIRSH_MAX_XML_FILE, &buffer) < 0)
+ return FALSE;
network = virNetworkDefineXML(ctl->conn, buffer);
free (buffer);
@@ -3107,8 +3050,8 @@ cmdAttachDevice(vshControl * ctl, vshCmd
return FALSE;
}
- buffer = readFile (ctl, from);
- if (buffer == NULL) return FALSE;
+ if (virFileReadAll(from, VIRSH_MAX_XML_FILE, &buffer) < 0)
+ return FALSE;
ret = virDomainAttachDevice(dom, buffer);
free (buffer);
@@ -3161,8 +3104,8 @@ cmdDetachDevice(vshControl * ctl, vshCmd
return FALSE;
}
- buffer = readFile (ctl, from);
- if (buffer == NULL) return FALSE;
+ if (virFileReadAll(from, VIRSH_MAX_XML_FILE, &buffer) < 0)
+ return FALSE;
ret = virDomainDetachDevice(dom, buffer);
free (buffer);
Dan.
--
|=- Red Hat, Engineering, Emerging Technologies, Boston. +1 978 392 2496 -=|
|=- Perl modules: http://search.cpan.org/~danberr/ -=|
|=- Projects: http://freshmeat.net/~danielpb/ -=|
|=- GnuPG: 7D3B9505 F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 -=|
--
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