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#define _ISOC99_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <sys/stat.h>
#include "config.h"
#include "error.h"
#include "debug.h"
#define PCILIB_MAX_DEBUG_FILENAME_LENGTH 1023
void pcilib_debug_message(const char *function, const char *file, int line, const char *format, ...) {
va_list va;
if (!getenv(function)) return;
va_start(va, format);
pcilib_log_vmessage(file, line, PCILIB_LOG_DEBUG, format, va);
va_end(va);
}
void pcilib_debug_data_buffer(const char *function, size_t size, void *buffer, pcilib_debug_buffer_flags_t flags, const char *file, ...) {
va_list va;
FILE *f;
size_t prefix_len;
const char *prefix;
char fname[PCILIB_MAX_DEBUG_FILENAME_LENGTH + 1];
prefix = getenv(function);
if (!prefix) return;
if ((!prefix[0])||(prefix[0] == '1'))
prefix = PCILIB_DEBUG_DIR;
prefix_len = strlen(prefix);
if (prefix_len >= PCILIB_MAX_DEBUG_FILENAME_LENGTH)
return;
if (prefix_len) {
strncpy(fname, prefix, PCILIB_MAX_DEBUG_FILENAME_LENGTH + 1);
fname[prefix_len++] = '/';
}
fname[PCILIB_MAX_DEBUG_FILENAME_LENGTH] = -1;
va_start(va, file);
vsnprintf(fname + prefix_len, PCILIB_MAX_DEBUG_FILENAME_LENGTH + 1 - prefix_len, file, va);
va_end(va);
// file name is too long, skipping...
if (!fname[PCILIB_MAX_DEBUG_FILENAME_LENGTH])
return;
if (flags&PCILIB_DEBUG_BUFFER_MKDIR) {
char *slash;
if (prefix_len) slash = fname + prefix_len - 1;
else slash = strchr(fname, '/');
while (slash) {
size_t len;
*slash = 0;
mkdir(fname, 0755);
len = strlen(fname);
*slash = '/';
slash = strchr(fname + len + 1, '/');
}
}
if (flags&PCILIB_DEBUG_BUFFER_APPEND)
f = fopen(fname, "a+");
else
f = fopen(fname, "w");
if (!f)
return;
if (size&&buffer)
fwrite(buffer, 1, size, f);
fclose(f);
}
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