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#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <stdarg.h>
#include <time.h>
#include <sys/stat.h>
#include "lesstest.h"
static FILE* logf = NULL;
int log_open(const char* logfile) {
if (logf != NULL) fclose(logf);
logf = (strcmp(logfile, "-") == 0) ? stdout : fopen(logfile, "w");
if (logf == NULL) {
fprintf(stderr, "cannot create %s\n", logfile);
return 0;
}
return 1;
}
void log_close(void) {
if (logf == NULL) return;
if (logf == stdout) return;
fclose(logf);
logf = NULL;
}
int log_file_header(void) {
if (logf == NULL) return 0;
time_t now = time(NULL);
struct tm* tm = gmtime(&now);
fprintf(logf, "!lesstest!\n!version %d\n!created %d-%02d-%02d %02d:%02d:%02d\n",
LESSTEST_VERSION,
tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec);
return 1;
}
int log_env(const char* name, int namelen, const char* value) {
if (logf == NULL) return 0;
fprintf(logf, "E \"%.*s\" \"%s\"\n", namelen, name, value);
return 1;
}
int log_tty_char(wchar ch) {
if (logf == NULL) return 0;
fprintf(logf, "+%lx\n", ch);
return 1;
}
int log_screen(const byte* img, int len) {
if (logf == NULL) return 0;
fwrite("=", 1, 1, logf);
fwrite(img, 1, len, logf);
fwrite("\n", 1, 1, logf);
return 1;
}
#if 0
int log_debug(char const* fmt, ...) {
va_list ap;
va_start(ap, fmt);
fprintf(logf, "D ");
vfprintf(logf, fmt, ap);
fprintf(logf, "\n");
va_end(ap);
fflush(logf);
return 1;
}
#endif
int log_command(char* const* argv, int argc, const char* textfile) {
if (logf == NULL) return 0;
fprintf(logf, "A");
int a;
for (a = 1; a < argc; ++a)
fprintf(logf, " \"%s\"", (a < argc-1) ? argv[a] : textfile);
fprintf(logf, "\n");
return 1;
}
int log_textfile(const char* textfile) {
if (logf == NULL) return 0;
struct stat st;
if (stat(textfile, &st) < 0) {
fprintf(stderr, "cannot stat %s\n", textfile);
return 0;
}
FILE* fd = fopen(textfile, "r");
if (fd == NULL) {
fprintf(stderr, "cannot open %s\n", textfile);
return 0;
}
fprintf(logf, "F \"%s\" %ld\n", textfile, (long) st.st_size);
off_t nread = 0;
while (nread < st.st_size) {
char buf[4096];
size_t n = fread(buf, 1, sizeof(buf), fd);
if (n <= 0) {
fprintf(stderr, "read only %ld/%ld from %s\n", (long) nread, (long) st.st_size, textfile);
fclose(fd);
return 0;
}
nread += n;
fwrite(buf, 1, n, logf);
}
fclose(fd);
return 1;
}
int log_test_header(char* const* argv, int argc, const char* textfile) {
if (logf == NULL) return 0;
fprintf(logf, "T \"%s\"\n", textfile);
if (!log_command(argv, argc, textfile))
return 0;
if (!log_textfile(textfile))
return 0;
fprintf(logf, "R\n");
return 1;
}
int log_test_footer(void) {
if (logf == NULL) return 0;
fprintf(logf, "Q\n");
return 1;
}
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