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error: Include the program name in error messages to stderr

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This commit is contained in:
Markus Armbruster 2010-02-24 14:37:14 +01:00
parent 827b08139c
commit 65abca0a34
3 changed files with 22 additions and 1 deletions
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20
qemu-error.c
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@ -113,13 +113,31 @@ void loc_set_none(void)
cur_loc->kind = LOC_NONE;
}
static const char *progname;
/*
* Set the program name for error_print_loc().
*/
void error_set_progname(const char *argv0)
{
const char *p = strrchr(argv0, '/');
progname = p ? p + 1 : argv0;
}
/*
* Print current location to current monitor if we have one, else to stderr.
*/
void error_print_loc(void)
{
const char *sep = "";
if (!cur_mon) {
fprintf(stderr, "%s:", progname);
sep = " ";
}
switch (cur_loc->kind) {
default: ;
default:
error_printf(sep);
}
}

1
qemu-error.h
View file

@ -31,6 +31,7 @@ void loc_set_none(void);
void error_vprintf(const char *fmt, va_list ap);
void error_printf(const char *fmt, ...) __attribute__ ((format(printf, 1, 2)));
void error_print_loc(void);
void error_set_progname(const char *argv0);
void error_report(const char *fmt, ...) __attribute__ ((format(printf, 1, 2)));
void qerror_report_internal(const char *file, int linenr, const char *func,
const char *fmt, ...)

2
vl.c
View file

@ -4862,6 +4862,8 @@ int main(int argc, char **argv, char **envp)
int show_vnc_port = 0;
int defconfig = 1;
error_set_progname(argv[0]);
init_clocks();
qemu_cache_utils_init(envp);