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#include "common.h"
#include "logfile.h"
bool
f2b_logfile_open(f2b_logfile_t *file, const char *filename) {
struct stat st;
assert(file != NULL);
assert(filename != NULL);
memset(file, 0x0, sizeof(f2b_logfile_t));
if (stat(filename, &st) != 0)
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return false;
if (!(S_ISREG(st.st_mode) || S_ISFIFO(st.st_mode)))
return false;
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strncpy(file->path, filename, sizeof(file->path));
memcpy(&file->st, &st, sizeof(st));
if ((file->fd = fopen(filename, "r")) == NULL)
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return false;
if (S_ISREG(st.st_mode) && fseek(file->fd, 0, SEEK_END) < 0)
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return false;
return true;
}
void
f2b_logfile_close(const f2b_logfile_t *file) {
assert(file != NULL);
fclose(file->fd);
}
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bool
f2b_logfile_rotated(const f2b_logfile_t *file) {
struct stat st;
assert(file != NULL);
if (stat(file->path, &st) != 0)
return true;
if (file->st.st_dev != st.st_dev ||
file->st.st_ino != st.st_ino ||
file->st.st_size > st.st_size)
return true;
return false;
}
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bool
f2b_logfile_getline(const f2b_logfile_t *file, char *buf, size_t bufsize) {
if (fgets(buf, bufsize, file->fd) != NULL)
return true;
return false;
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}