* Copyright (C) Linus Torvalds, 2005
*/
#include "git-compat-util.h"
+#include "cache.h"
-static void report(const char *prefix, const char *err, va_list params)
+void vreportf(const char *prefix, const char *err, va_list params)
{
- char msg[1024];
+ char msg[4096];
vsnprintf(msg, sizeof(msg), err, params);
fprintf(stderr, "%s%s\n", prefix, msg);
}
-static NORETURN void usage_builtin(const char *err)
+void vwritef(int fd, const char *prefix, const char *err, va_list params)
{
- fprintf(stderr, "usage: %s\n", err);
+ char msg[4096];
+ int len = vsnprintf(msg, sizeof(msg), err, params);
+ if (len > sizeof(msg))
+ len = sizeof(msg);
+
+ write_in_full(fd, prefix, strlen(prefix));
+ write_in_full(fd, msg, len);
+ write_in_full(fd, "\n", 1);
+}
+
+static NORETURN void usage_builtin(const char *err, va_list params)
+{
+ vreportf("usage: ", err, params);
exit(129);
}
static NORETURN void die_builtin(const char *err, va_list params)
{
- report("fatal: ", err, params);
+ vreportf("fatal: ", err, params);
exit(128);
}
static void error_builtin(const char *err, va_list params)
{
- report("error: ", err, params);
+ vreportf("error: ", err, params);
}
static void warn_builtin(const char *warn, va_list params)
{
- report("warning: ", warn, params);
+ vreportf("warning: ", warn, params);
}
/* If we are in a dlopen()ed .so write to a global variable would segfault
* (ugh), so keep things static. */
-static void (*usage_routine)(const char *err) NORETURN = usage_builtin;
-static void (*die_routine)(const char *err, va_list params) NORETURN = die_builtin;
+static NORETURN_PTR void (*usage_routine)(const char *err, va_list params) = usage_builtin;
+static NORETURN_PTR void (*die_routine)(const char *err, va_list params) = die_builtin;
static void (*error_routine)(const char *err, va_list params) = error_builtin;
static void (*warn_routine)(const char *err, va_list params) = warn_builtin;
-void set_die_routine(void (*routine)(const char *err, va_list params) NORETURN)
+void set_die_routine(NORETURN_PTR void (*routine)(const char *err, va_list params))
{
die_routine = routine;
}
-void usage(const char *err)
+void set_error_routine(void (*routine)(const char *err, va_list params))
{
- usage_routine(err);
+ error_routine = routine;
}
-void die(const char *err, ...)
+void NORETURN usagef(const char *err, ...)
+{
+ va_list params;
+
+ va_start(params, err);
+ usage_routine(err, params);
+ va_end(params);
+}
+
+void NORETURN usage(const char *err)
+{
+ usagef("%s", err);
+}
+
+void NORETURN die(const char *err, ...)
{
va_list params;
va_end(params);
}
+void NORETURN die_errno(const char *fmt, ...)
+{
+ va_list params;
+ char fmt_with_err[1024];
+ char str_error[256], *err;
+ int i, j;
+
+ err = strerror(errno);
+ for (i = j = 0; err[i] && j < sizeof(str_error) - 1; ) {
+ if ((str_error[j++] = err[i++]) != '%')
+ continue;
+ if (j < sizeof(str_error) - 1) {
+ str_error[j++] = '%';
+ } else {
+ /* No room to double the '%', so we overwrite it with
+ * '\0' below */
+ j--;
+ break;
+ }
+ }
+ str_error[j] = 0;
+ snprintf(fmt_with_err, sizeof(fmt_with_err), "%s: %s", fmt, str_error);
+
+ va_start(params, fmt);
+ die_routine(fmt_with_err, params);
+ va_end(params);
+}
+
int error(const char *err, ...)
{
va_list params;