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[libvirt] [PATCH] qemu: Report binary path if error parsing -help



Signed-off-by: Cole Robinson <crobinso redhat com>
---
 src/qemu/qemu_conf.c |   14 ++++++++------
 src/qemu/qemu_conf.h |    3 ++-
 tests/qemuhelptest.c |    3 ++-
 3 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c
index e3da08a..1f8a9c3 100644
--- a/src/qemu/qemu_conf.c
+++ b/src/qemu/qemu_conf.c
@@ -1237,7 +1237,8 @@ static unsigned long long qemudComputeCmdFlags(const char *help,
 
 #define SKIP_BLANKS(p) do { while ((*(p) == ' ') || (*(p) == '\t')) (p)++; } while (0)
 
-int qemudParseHelpStr(const char *help,
+int qemudParseHelpStr(const char *qemu,
+                      const char *help,
                       unsigned long long *flags,
                       unsigned int *version,
                       unsigned int *is_kvm,
@@ -1308,8 +1309,8 @@ fail:
         p = strndup(help, p - help);
 
     qemuReportError(VIR_ERR_INTERNAL_ERROR,
-                    _("cannot parse QEMU version number in '%s'"),
-                    p ? p : help);
+                    _("cannot parse %s version number in '%s'"),
+                    qemu, p ? p : help);
 
     VIR_FREE(p);
 
@@ -1340,12 +1341,13 @@ int qemudExtractVersionInfo(const char *qemu,
     enum { MAX_HELP_OUTPUT_SIZE = 1024*64 };
     int len = virFileReadLimFD(newstdout, MAX_HELP_OUTPUT_SIZE, &help);
     if (len < 0) {
-        virReportSystemError(errno, "%s",
-                             _("Unable to read QEMU help output"));
+        virReportSystemError(errno,
+                             _("Unable to read %s help output"), qemu);
         goto cleanup2;
     }
 
-    if (qemudParseHelpStr(help, &flags, &version, &is_kvm, &kvm_version) == -1)
+    if (qemudParseHelpStr(qemu, help, &flags,
+                          &version, &is_kvm, &kvm_version) == -1)
         goto cleanup2;
 
     if (retversion)
diff --git a/src/qemu/qemu_conf.h b/src/qemu/qemu_conf.h
index ae187dc..c8757c5 100644
--- a/src/qemu/qemu_conf.h
+++ b/src/qemu/qemu_conf.h
@@ -175,7 +175,8 @@ int         qemudExtractVersionInfo     (const char *qemu,
                                          unsigned int *version,
                                          unsigned long long *qemuCmdFlags);
 
-int         qemudParseHelpStr           (const char *str,
+int         qemudParseHelpStr           (const char *qemu,
+                                         const char *str,
                                          unsigned long long *qemuCmdFlags,
                                          unsigned int *version,
                                          unsigned int *is_kvm,
diff --git a/tests/qemuhelptest.c b/tests/qemuhelptest.c
index 0f2b509..ad355d7 100644
--- a/tests/qemuhelptest.c
+++ b/tests/qemuhelptest.c
@@ -49,7 +49,8 @@ static int testHelpStrParsing(const void *data)
     if (virtTestLoadFile(path, &help, MAX_HELP_OUTPUT_SIZE) < 0)
         return -1;
 
-    if (qemudParseHelpStr(help, &flags, &version, &is_kvm, &kvm_version) == -1)
+    if (qemudParseHelpStr("QEMU", help, &flags,
+                          &version, &is_kvm, &kvm_version) == -1)
         return -1;
 
     if (flags != info->flags) {
-- 
1.6.5.2


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