Skip navigation links

Learn about new MySQL releases, technical articles, events and more.

Subscribe Now »
MySQL 5.1: mysql/src/5.1-dbg/cmd-line-utils/libedit/fgetln.h File Reference

mysql/src/5.1-dbg/cmd-line-utils/libedit/fgetln.h File Reference

#include <stdio.h>

Include dependency graph for fgetln.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.


Functions

char * fgetln (FILE *stream, size_t *len)

Function Documentation

char* fgetln ( FILE *  stream,
size_t *  len 
)

Definition at line 48 of file fgetln.c.

00049 {
00050         static char *buf = NULL;
00051         static size_t bufsiz = 0;
00052         char *ptr;
00053 
00054 
00055         if (buf == NULL) {
00056                 bufsiz = BUFSIZ;
00057                 if ((buf = malloc(bufsiz)) == NULL)
00058                         return NULL;
00059         }
00060 
00061         if (fgets(buf, bufsiz, fp) == NULL)
00062                 return NULL;
00063         *len = 0;
00064 
00065         while ((ptr = strchr(&buf[*len], '\n')) == NULL) {
00066                 size_t nbufsiz = bufsiz + BUFSIZ;
00067                 char *nbuf = realloc(buf, nbufsiz);
00068 
00069                 if (nbuf == NULL) {
00070                         int oerrno = errno;
00071                         free(buf);
00072                         errno = oerrno;
00073                         buf = NULL;
00074                         return NULL;
00075                 } else
00076                         buf = nbuf;
00077 
00078                 *len = bufsiz;
00079                 if (fgets(&buf[bufsiz], BUFSIZ, fp) == NULL)
00080                         return buf;
00081 
00082                 bufsiz = nbufsiz;
00083         }
00084 
00085         *len = (ptr - buf) + 1;
00086         return buf;
00087 }

Generated on Sat Sep 9 01:03:02 2006 for MySQL 5.1 by  doxygen 1.4.7