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Dont' crash when logging is disabled

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This commit is contained in:
Joel Rosdahl 2010-05-09 23:23:43 +02:00
parent 48f9d72e98
commit 247f619565
2 changed files with 35 additions and 17 deletions
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6
ccache.h
View File

@ -65,9 +65,9 @@ char *hash_result(struct mdfour *md);
void hash_result_as_bytes(struct mdfour *md, unsigned char *out);
void hash_buffer(struct mdfour *md, const void *s, size_t len);
void cc_log_no_newline(const char *format, ...) ATTR_FORMAT(printf, 1, 2);
void cc_log(const char *format, ...) ATTR_FORMAT(printf, 1, 2);
void cc_log_executed_command(char **argv);
int cc_log_no_newline(const char *format, ...) ATTR_FORMAT(printf, 1, 2);
int cc_log(const char *format, ...) ATTR_FORMAT(printf, 1, 2);
int cc_log_executed_command(char **argv);
void fatal(const char *format, ...) ATTR_FORMAT(printf, 1, 2);
void copy_fd(int fd_in, int fd_out);

46
util.c
View File

@ -42,49 +42,67 @@
static FILE *logfile;
static void cc_log_va_list(const char *format, va_list ap)
static int cc_log_va_list(const char *format, va_list ap)
{
extern char *cache_logfile;
if (!cache_logfile) return;
if (!cache_logfile) {
return 0;
}
if (!logfile) logfile = fopen(cache_logfile, "a");
if (!logfile) return;
if (!logfile) {
logfile = fopen(cache_logfile, "a");
if (!logfile) {
return 0;
}
}
fprintf(logfile, "[%-5d] ", getpid());
vfprintf(logfile, format, ap);
return 1;
}
/*
* Log a message to the CCACHE_LOGFILE location without newline and without
* flushing.
*/
void cc_log_no_newline(const char *format, ...)
int cc_log_no_newline(const char *format, ...)
{
int logged;
va_list ap;
va_start(ap, format);
cc_log_va_list(format, ap);
logged = cc_log_va_list(format, ap);
va_end(ap);
return logged;
}
/*
* Log a message to the CCACHE_LOGFILE location adding a newline and flushing.
*/
void cc_log(const char *format, ...)
int cc_log(const char *format, ...)
{
int logged;
va_list ap;
va_start(ap, format);
cc_log_va_list(format, ap);
logged = cc_log_va_list(format, ap);
if (logged) {
fprintf(logfile, "\n");
fflush(logfile);
}
va_end(ap);
fprintf(logfile, "\n");
fflush(logfile);
return logged;
}
void cc_log_executed_command(char **argv)
int cc_log_executed_command(char **argv)
{
cc_log_no_newline("Executing ");
print_command(logfile, argv);
fflush(logfile);
if (cc_log_no_newline("Executing ")) {
print_command(logfile, argv);
fflush(logfile);
return 1;
} else {
return 0;
}
}
/* something went badly wrong! */