annotate libtinyweb/src/logger.c @ 10:0dd50a23f3dd
separated all the tinyweb functionality out as a library
| author |
John Tsiombikas <nuclear@member.fsf.org> |
| date |
Sat, 18 Apr 2015 22:47:57 +0300 |
| parents |
src/logger.c@5ec50ca0d071 |
| children |
86f703031228 |
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line source |
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1 #include <stdio.h>
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2 #include <stdlib.h>
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3 #include <string.h>
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4 #include <stdarg.h>
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5 #include <errno.h>
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6 #include "logger.h"
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7
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8 static FILE *logfile;
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9
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10 int set_log_file(const char *fname)
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11 {
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12 FILE *fp;
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13
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14 if(!(fp = fopen(fname, "w"))) {
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15 fprintf(stderr, "failed to open logfile: %s: %s\n", fname, strerror(errno));
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16 return -1;
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17 }
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18 setvbuf(fp, 0, _IONBF, 0);
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19 logfile = fp;
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20 return 0;
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21 }
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22
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23 void logmsg(const char *fmt, ...)
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24 {
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25 va_list ap;
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26
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27 if(!logfile) {
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28 logfile = stderr;
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29 }
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30
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31 va_start(ap, fmt);
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32 vfprintf(logfile, fmt, ap);
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33 va_end(ap);
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34 }
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