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command: improve allocation failure reporting

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* src/util/command.c (virCommandAddEnvString): Remove duplicate
code.
(virCommandToString, virCommandRun, virCommandRunAsync)
(virCommandWait): Report NULL command as ENOMEM, not invalid
usage.
Reported by Jiri Denemark.
This commit is contained in:
Eric Blake 2010-12-06 13:58:52 -07:00
parent c1c1ff7e47
commit c426d13b73
1 changed files with 20 additions and 23 deletions
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43
src/util/command.c
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@ -292,9 +292,6 @@ virCommandAddEnvPair(virCommandPtr cmd, const char *name, const char *value)
void
virCommandAddEnvString(virCommandPtr cmd, const char *str)
{
if (!cmd || cmd->has_error)
return;
char *env;
if (!cmd || cmd->has_error)
@ -710,13 +707,13 @@ virCommandToString(virCommandPtr cmd)
/* Cannot assume virCommandRun will be called; so report the error
* now. If virCommandRun is called, it will report the same error. */
if (!cmd || cmd->has_error == -1) {
virCommandError(VIR_ERR_INTERNAL_ERROR, "%s",
_("invalid use of command API"));
if (!cmd ||cmd->has_error == ENOMEM) {
virReportOOMError();
return NULL;
}
if (cmd->has_error == ENOMEM) {
virReportOOMError();
if (cmd->has_error) {
virCommandError(VIR_ERR_INTERNAL_ERROR, "%s",
_("invalid use of command API"));
return NULL;
}
@ -876,13 +873,13 @@ virCommandRun(virCommandPtr cmd, int *exitstatus)
char *errbuf = NULL;
int infd[2];
if (!cmd || cmd->has_error == -1) {
virCommandError(VIR_ERR_INTERNAL_ERROR, "%s",
_("invalid use of command API"));
if (!cmd ||cmd->has_error == ENOMEM) {
virReportOOMError();
return -1;
}
if (cmd->has_error == ENOMEM) {
virReportOOMError();
if (cmd->has_error) {
virCommandError(VIR_ERR_INTERNAL_ERROR, "%s",
_("invalid use of command API"));
return -1;
}
@ -994,13 +991,13 @@ virCommandRunAsync(virCommandPtr cmd, pid_t *pid)
char *str;
int i;
if (!cmd || cmd->has_error == -1) {
virCommandError(VIR_ERR_INTERNAL_ERROR, "%s",
_("invalid use of command API"));
if (!cmd || cmd->has_error == ENOMEM) {
virReportOOMError();
return -1;
}
if (cmd->has_error == ENOMEM) {
virReportOOMError();
if (cmd->has_error) {
virCommandError(VIR_ERR_INTERNAL_ERROR, "%s",
_("invalid use of command API"));
return -1;
}
@ -1065,13 +1062,13 @@ virCommandWait(virCommandPtr cmd, int *exitstatus)
int ret;
int status;
if (!cmd || cmd->has_error == -1) {
virCommandError(VIR_ERR_INTERNAL_ERROR, "%s",
_("invalid use of command API"));
if (!cmd ||cmd->has_error == ENOMEM) {
virReportOOMError();
return -1;
}
if (cmd->has_error == ENOMEM) {
virReportOOMError();
if (cmd->has_error) {
virCommandError(VIR_ERR_INTERNAL_ERROR, "%s",
_("invalid use of command API"));
return -1;
}