diff options
Diffstat (limited to 'lib/libc/stdio/vfscanf.c')
| -rw-r--r-- | lib/libc/stdio/vfscanf.c | 48 |
1 files changed, 31 insertions, 17 deletions
diff --git a/lib/libc/stdio/vfscanf.c b/lib/libc/stdio/vfscanf.c index 6a83216..04ce95c 100644 --- a/lib/libc/stdio/vfscanf.c +++ b/lib/libc/stdio/vfscanf.c @@ -42,6 +42,7 @@ static const char rcsid[] = "$FreeBSD$"; #endif /* LIBC_SCCS and not lint */ +#include "namespace.h" #include <stdio.h> #include <stdlib.h> #include <ctype.h> @@ -51,8 +52,10 @@ static const char rcsid[] = #include <varargs.h> #endif #include <string.h> +#include "un-namespace.h" #include "collate.h" +#include "libc_private.h" #include "local.h" #define FLOATING_POINT @@ -100,21 +103,32 @@ static const char rcsid[] = static u_char *__sccl(char *, u_char *); /* - * vfscanf + * __vfscanf - MT-safe version */ int -__svfscanf(fp, fmt0, ap) - register FILE *fp; - char const *fmt0; - va_list ap; +__vfscanf(FILE *fp, char const *fmt0, va_list ap) { - register u_char *fmt = (u_char *)fmt0; - register int c; /* character from format, or conversion */ - register size_t width; /* field width, or 0 */ - register char *p; /* points into all kinds of strings */ - register int n; /* handy integer */ - register int flags; /* flags as defined above */ - register char *p0; /* saves original value of p when necessary */ + int ret; + + FLOCKFILE(fp); + ret = __svfscanf(fp, fmt0, ap); + FUNLOCKFILE(fp); + return (ret); +} + +/* + * __svfscanf - non-MT-safe version of __vfscanf + */ +int +__svfscanf(FILE *fp, char const *fmt0, va_list ap) +{ + u_char *fmt = (u_char *)fmt0; + int c; /* character from format, or conversion */ + size_t width; /* field width, or 0 */ + char *p; /* points into all kinds of strings */ + int n; /* handy integer */ + int flags; /* flags as defined above */ + char *p0; /* saves original value of p when necessary */ int nassigned; /* number of fields assigned */ int nconversions; /* number of conversions */ int nread; /* number of characters consumed from fp */ @@ -539,13 +553,13 @@ literal: */ if (flags & NDIGITS) { if (p > buf) - (void) ungetc(*(u_char *)--p, fp); + (void) __ungetc(*(u_char *)--p, fp); goto match_failure; } c = ((u_char *)p)[-1]; if (c == 'x' || c == 'X') { --p; - (void) ungetc(c, fp); + (void) __ungetc(c, fp); } if ((flags & SUPPRESS) == 0) { u_quad_t res; @@ -635,16 +649,16 @@ literal: if (flags & EXPOK) { /* no digits at all */ while (p > buf) - ungetc(*(u_char *)--p, fp); + __ungetc(*(u_char *)--p, fp); goto match_failure; } /* just a bad exponent (e and maybe sign) */ c = *(u_char *)--p; if (c != 'e' && c != 'E') { - (void) ungetc(c, fp);/* sign */ + (void) __ungetc(c, fp);/* sign */ c = *(u_char *)--p; } - (void) ungetc(c, fp); + (void) __ungetc(c, fp); } if ((flags & SUPPRESS) == 0) { double res; |
