diff options
Diffstat (limited to 'quotearg.c')
| -rw-r--r-- | quotearg.c | 106 |
1 files changed, 39 insertions, 67 deletions
@@ -21,52 +21,19 @@ # include <config.h> #endif -#if HAVE_STDDEF_H -# include <stddef.h> /* For the definition of size_t on windows w/MSVC. */ -#endif -#include <sys/types.h> -#include <quotearg.h> -#include <xalloc.h> - -#include <ctype.h> +#include "quotearg.h" -#if ENABLE_NLS -# include <libintl.h> -# define _(text) gettext (text) -#else -# define _(text) text -#endif -#define N_(text) text +#include "xalloc.h" -#if HAVE_LIMITS_H -# include <limits.h> -#endif -#ifndef CHAR_BIT -# define CHAR_BIT 8 -#endif -#ifndef SIZE_MAX -# define SIZE_MAX ((size_t) -1) -#endif -#ifndef UCHAR_MAX -# define UCHAR_MAX ((unsigned char) -1) -#endif -#ifndef UINT_MAX -# define UINT_MAX ((unsigned int) -1) -#endif - -#if HAVE_C_BACKSLASH_A -# define ALERT_CHAR '\a' -#else -# define ALERT_CHAR '\7' -#endif - -#if HAVE_STDLIB_H -# include <stdlib.h> -#endif +#include <ctype.h> +#include <errno.h> +#include <limits.h> +#include <stdlib.h> +#include <string.h> -#if HAVE_STRING_H -# include <string.h> -#endif +#include "gettext.h" +#define _(msgid) gettext (msgid) +#define N_(msgid) msgid #if HAVE_WCHAR_H @@ -84,8 +51,12 @@ # undef MB_CUR_MAX # define MB_CUR_MAX 1 # define mbrtowc(pwc, s, n, ps) ((*(pwc) = *(s)) != 0) +# define iswprint(wc) isprint ((unsigned char) (wc)) +# undef HAVE_MBSINIT +#endif + +#if !defined mbsinit && !HAVE_MBSINIT # define mbsinit(ps) 1 -# define iswprint(wc) ISPRINT ((unsigned char) (wc)) #endif #ifndef iswprint @@ -97,17 +68,11 @@ # endif #endif -#define INT_BITS (sizeof (int) * CHAR_BIT) - -#if defined (STDC_HEADERS) || (!defined (isascii) && !defined (HAVE_ISASCII)) -# define IN_CTYPE_DOMAIN(c) 1 -#else -# define IN_CTYPE_DOMAIN(c) isascii(c) +#ifndef SIZE_MAX +# define SIZE_MAX ((size_t) -1) #endif -/* Undefine to protect against the definition in wctype.h of solaris2.6. */ -#undef ISPRINT -#define ISPRINT(c) (IN_CTYPE_DOMAIN (c) && isprint (c)) +#define INT_BITS (sizeof (int) * CHAR_BIT) struct quoting_options { @@ -153,9 +118,10 @@ static struct quoting_options default_quoting_options; struct quoting_options * clone_quoting_options (struct quoting_options *o) { - struct quoting_options *p - = (struct quoting_options *) xmalloc (sizeof (struct quoting_options)); + int e = errno; + struct quoting_options *p = xmalloc (sizeof *p); *p = *(o ? o : &default_quoting_options); + errno = e; return p; } @@ -287,7 +253,7 @@ quotearg_buffer_restyled (char *buffer, size_t buffersize, break; } - for (i = 0; ! (argsize == (size_t) -1 ? arg[i] == '\0' : i == argsize); i++) + for (i = 0; ! (argsize == SIZE_MAX ? arg[i] == '\0' : i == argsize); i++) { unsigned char c; unsigned char esc; @@ -326,8 +292,8 @@ quotearg_buffer_restyled (char *buffer, size_t buffersize, case '<': case '=': case '>': /* Escape the second '?' in what would otherwise be a trigraph. */ - i += 2; c = arg[i + 2]; + i += 2; STORE ('?'); STORE ('\\'); STORE ('?'); @@ -340,7 +306,7 @@ quotearg_buffer_restyled (char *buffer, size_t buffersize, } break; - case ALERT_CHAR: esc = 'a'; goto c_escape; + case '\a': esc = 'a'; goto c_escape; case '\b': esc = 'b'; goto c_escape; case '\f': esc = 'f'; goto c_escape; case '\n': esc = 'n'; goto c_and_shell_escape; @@ -428,7 +394,7 @@ quotearg_buffer_restyled (char *buffer, size_t buffersize, if (unibyte_locale) { m = 1; - printable = ISPRINT (c); + printable = isprint (c); } else { @@ -437,7 +403,7 @@ quotearg_buffer_restyled (char *buffer, size_t buffersize, m = 0; printable = 1; - if (argsize == (size_t) -1) + if (argsize == SIZE_MAX) argsize = strlen (arg); do @@ -533,8 +499,11 @@ quotearg_buffer (char *buffer, size_t buffersize, struct quoting_options const *o) { struct quoting_options const *p = o ? o : &default_quoting_options; - return quotearg_buffer_restyled (buffer, buffersize, arg, argsize, - p->style, p); + int e = errno; + size_t r = quotearg_buffer_restyled (buffer, buffersize, arg, argsize, + p->style, p); + errno = e; + return r; } /* Use storage slot N to return a quoted version of argument ARG. @@ -548,6 +517,8 @@ static char * quotearg_n_options (int n, char const *arg, size_t argsize, struct quoting_options const *options) { + int e = errno; + /* Preallocate a slot 0 buffer, so that the caller can always quote one small component of a "memory exhausted" message in slot 0. */ static char slot0[256]; @@ -575,10 +546,10 @@ quotearg_n_options (int n, char const *arg, size_t argsize, if (slotvec == &slotvec0) { - slotvec = (struct slotvec *) xmalloc (sizeof *slotvec); + slotvec = xmalloc (sizeof *slotvec); *slotvec = slotvec0; } - slotvec = (struct slotvec *) xrealloc (slotvec, s); + slotvec = xrealloc (slotvec, s); memset (slotvec + nslots, 0, (n1 - nslots) * sizeof *slotvec); nslots = n1; } @@ -595,6 +566,7 @@ quotearg_n_options (int n, char const *arg, size_t argsize, quotearg_buffer (val, size, arg, argsize, options); } + errno = e; return val; } } @@ -602,7 +574,7 @@ quotearg_n_options (int n, char const *arg, size_t argsize, char * quotearg_n (int n, char const *arg) { - return quotearg_n_options (n, arg, (size_t) -1, &default_quoting_options); + return quotearg_n_options (n, arg, SIZE_MAX, &default_quoting_options); } char * @@ -625,7 +597,7 @@ char * quotearg_n_style (int n, enum quoting_style s, char const *arg) { struct quoting_options const o = quoting_options_from_style (s); - return quotearg_n_options (n, arg, (size_t) -1, &o); + return quotearg_n_options (n, arg, SIZE_MAX, &o); } char * @@ -648,7 +620,7 @@ quotearg_char (char const *arg, char ch) struct quoting_options options; options = default_quoting_options; set_char_quoting (&options, ch, 1); - return quotearg_n_options (0, arg, (size_t) -1, &options); + return quotearg_n_options (0, arg, SIZE_MAX, &options); } char * |