diff options
Diffstat (limited to 'newlib/libc/stdio/fgets.c')
| -rw-r--r-- | newlib/libc/stdio/fgets.c | 37 |
1 files changed, 33 insertions, 4 deletions
diff --git a/newlib/libc/stdio/fgets.c b/newlib/libc/stdio/fgets.c index f5dde4903..741618705 100644 --- a/newlib/libc/stdio/fgets.c +++ b/newlib/libc/stdio/fgets.c @@ -21,11 +21,16 @@ FUNCTION INDEX fgets +INDEX + _fgets_r ANSI_SYNOPSIS #include <stdio.h> char *fgets(char *<[buf]>, int <[n]>, FILE *<[fp]>); + #include <stdio.h> + char *_fgets_r(struct _reent *<[ptr]>, char *<[buf]>, int <[n]>, FILE *<[fp]>); + TRAD_SYNOPSIS #include <stdio.h> char *fgets(<[buf]>,<[n]>,<[fp]>) @@ -33,11 +38,21 @@ TRAD_SYNOPSIS int <[n]>; FILE *<[fp]>; + #include <stdio.h> + char *_fgets_r(<[ptr]>, <[buf]>,<[n]>,<[fp]>) + struct _reent *<[ptr]>; + char *<[buf]>; + int <[n]>; + FILE *<[fp]>; + DESCRIPTION Reads at most <[n-1]> characters from <[fp]> until a newline is found. The characters including to the newline are stored in <[buf]>. The buffer is terminated with a 0. + The <<_fgets_r>> function is simply the reentrant version of + <<fgets>> and is passed an additional reentrancy structure + pointer: <[ptr]>. RETURNS <<fgets>> returns the buffer passed to it, with the data @@ -66,7 +81,8 @@ Supporting OS subroutines required: <<close>>, <<fstat>>, <<isatty>>, */ char * -_DEFUN(fgets, (buf, n, fp), +_DEFUN(_fgets_r, (ptr, buf, n, fp), + struct _reent * ptr _AND char *buf _AND int n _AND FILE * fp) @@ -80,7 +96,7 @@ _DEFUN(fgets, (buf, n, fp), s = buf; - CHECK_INIT(_REENT); + CHECK_INIT(ptr); _flockfile (fp); #ifdef __SCLE @@ -88,7 +104,7 @@ _DEFUN(fgets, (buf, n, fp), { int c; /* Sorry, have to do it the slow way */ - while (--n > 0 && (c = __sgetc (fp)) != EOF) + while (--n > 0 && (c = __sgetc_r (ptr, fp)) != EOF) { *s++ = c; if (c == '\n') @@ -113,7 +129,7 @@ _DEFUN(fgets, (buf, n, fp), */ if ((len = fp->_r) <= 0) { - if (__srefill (fp)) + if (__srefill_r (ptr, fp)) { /* EOF: stop with partial or no line */ if (s == buf) @@ -156,3 +172,16 @@ _DEFUN(fgets, (buf, n, fp), _funlockfile (fp); return buf; } + +#ifndef _REENT_ONLY + +char * +_DEFUN(fgets, (buf, n, fp), + char *buf _AND + int n _AND + FILE * fp) +{ + return _fgets_r (_REENT, buf, n, fp); +} + +#endif /* !_REENT_ONLY */ |