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66 lines
1.4 KiB
66 lines
1.4 KiB
/* Copyright 2016 Alex 'AdUser' Z (ad_user@runbox.com) |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 as |
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* published by the Free Software Foundation. |
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*/ |
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#include "common.h" |
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#include "logfile.h" |
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bool |
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f2b_logfile_open(f2b_logfile_t *file, const char *filename) { |
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struct stat st; |
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assert(file != NULL); |
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assert(filename != NULL); |
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memset(file, 0x0, sizeof(f2b_logfile_t)); |
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if (stat(filename, &st) != 0) |
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return false; |
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if (!(S_ISREG(st.st_mode) || S_ISFIFO(st.st_mode))) |
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return false; |
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strncpy(file->path, filename, sizeof(file->path)); |
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memcpy(&file->st, &st, sizeof(st)); |
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if ((file->fd = fopen(filename, "r")) == NULL) |
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return false; |
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if (S_ISREG(st.st_mode) && fseek(file->fd, 0, SEEK_END) < 0) |
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return false; |
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return true; |
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} |
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void |
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f2b_logfile_close(const f2b_logfile_t *file) { |
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assert(file != NULL); |
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fclose(file->fd); |
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} |
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bool |
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f2b_logfile_rotated(const f2b_logfile_t *file) { |
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struct stat st; |
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assert(file != NULL); |
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if (stat(file->path, &st) != 0) |
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return true; |
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if (file->st.st_dev != st.st_dev || |
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file->st.st_ino != st.st_ino || |
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file->st.st_size > st.st_size) |
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return true; |
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return false; |
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} |
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bool |
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f2b_logfile_getline(const f2b_logfile_t *file, char *buf, size_t bufsize) { |
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if (fgets(buf, bufsize, file->fd) != NULL) |
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return true; |
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return false; |
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}
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