diff options
Diffstat (limited to 'argp/argp-help.c')
| -rw-r--r-- | argp/argp-help.c | 69 |
1 files changed, 62 insertions, 7 deletions
diff --git a/argp/argp-help.c b/argp/argp-help.c index 3a2cfb4936..f39ce2a74f 100644 --- a/argp/argp-help.c +++ b/argp/argp-help.c @@ -50,7 +50,6 @@ char *alloca (); #include <string.h> #include <assert.h> #include <stdarg.h> -#include <malloc.h> #include <ctype.h> #ifdef USE_IN_LIBIO # include <wchar.h> @@ -70,6 +69,18 @@ char *alloca (); # endif #endif +#ifndef _LIBC +# if HAVE_STRERROR_R +# if !HAVE_DECL_STRERROR_R +char *strerror_r (int errnum, char *buf, size_t buflen); +# endif +# else +# if !HAVE_DECL_STRERROR +char *strerror (int errnum); +# endif +# endif +#endif + #include "argp.h" #include "argp-fmtstream.h" #include "argp-namefrob.h" @@ -552,7 +563,7 @@ hol_entry_short_iterate (const struct hol_entry *entry, } static inline int -__attribute ((always_inline)) +__attribute__ ((always_inline)) hol_entry_long_iterate (const struct hol_entry *entry, int (*func)(const struct argp_option *opt, const struct argp_option *real, @@ -1538,7 +1549,9 @@ _help (const struct argp *argp, const struct argp_state *state, FILE *stream, if (! stream) return; +#if _LIBC || (HAVE_FLOCKFILE && HAVE_FUNLOCKFILE) __flockfile (stream); +#endif if (! uparams.valid) fill_in_uparams (state); @@ -1546,7 +1559,9 @@ _help (const struct argp *argp, const struct argp_state *state, FILE *stream, fs = __argp_make_fmtstream (stream, 0, uparams.rmargin, 0); if (! fs) { +#if _LIBC || (HAVE_FLOCKFILE && HAVE_FUNLOCKFILE) __funlockfile (stream); +#endif return; } @@ -1654,7 +1669,9 @@ Try `%s --help' or `%s --usage' for more information.\n"), anything = 1; } +#if _LIBC || (HAVE_FLOCKFILE && HAVE_FUNLOCKFILE) __funlockfile (stream); +#endif if (hol) hol_free (hol); @@ -1673,6 +1690,32 @@ void __argp_help (const struct argp *argp, FILE *stream, weak_alias (__argp_help, argp_help) #endif +#ifndef _LIBC +char *__argp_basename (char *name) +{ + char *short_name = strrchr (name, '/'); + return short_name ? short_name + 1 : name; +} +#endif + +char * +__argp_short_program_name (void) +{ +#if defined _LIBC || HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME + return program_invocation_short_name; +#elif HAVE_DECL_PROGRAM_INVOCATION_NAME + return __argp_basename (program_invocation_name); +#else + /* FIXME: What now? Miles suggests that it is better to use NULL, + but currently the value is passed on directly to fputs_unlocked, + so that requires more changes. */ +#if __GNUC__ +# warning No reasonable value to return +#endif /* __GNUC__ */ + return ""; +#endif +} + /* Output, if appropriate, a usage message for STATE to STREAM. FLAGS are from the set ARGP_HELP_*. */ void @@ -1684,7 +1727,7 @@ __argp_state_help (const struct argp_state *state, FILE *stream, unsigned flags) flags |= ARGP_HELP_LONG_ONLY; _help (state ? state->root_argp : 0, state, stream, flags, - state ? state->name : program_invocation_short_name); + state ? state->name : __argp_short_program_name ()); if (!state || ! (state->flags & ARGP_NO_EXIT)) { @@ -1713,7 +1756,9 @@ __argp_error (const struct argp_state *state, const char *fmt, ...) { va_list ap; +#if _LIBC || (HAVE_FLOCKFILE && HAVE_FUNLOCKFILE) __flockfile (stream); +#endif va_start (ap, fmt); @@ -1725,7 +1770,7 @@ __argp_error (const struct argp_state *state, const char *fmt, ...) __asprintf (&buf, fmt, ap); __fwprintf (stream, L"%s: %s\n", - state ? state->name : program_invocation_short_name, + state ? state->name : __argp_short_program_name (), buf); free (buf); @@ -1734,7 +1779,7 @@ __argp_error (const struct argp_state *state, const char *fmt, ...) #endif { fputs_unlocked (state - ? state->name : program_invocation_short_name, + ? state->name : __argp_short_program_name (), stream); putc_unlocked (':', stream); putc_unlocked (' ', stream); @@ -1748,7 +1793,9 @@ __argp_error (const struct argp_state *state, const char *fmt, ...) va_end (ap); +#if _LIBC || (HAVE_FLOCKFILE && HAVE_FUNLOCKFILE) __funlockfile (stream); +#endif } } } @@ -1774,16 +1821,18 @@ __argp_failure (const struct argp_state *state, int status, int errnum, if (stream) { +#if _LIBC || (HAVE_FLOCKFILE && HAVE_FUNLOCKFILE) __flockfile (stream); +#endif #ifdef USE_IN_LIBIO if (_IO_fwide (stream, 0) > 0) __fwprintf (stream, L"%s", - state ? state->name : program_invocation_short_name); + state ? state->name : __argp_short_program_name ()); else #endif fputs_unlocked (state - ? state->name : program_invocation_short_name, + ? state->name : __argp_short_program_name (), stream); if (fmt) @@ -1827,7 +1876,11 @@ __argp_failure (const struct argp_state *state, int status, int errnum, { putc_unlocked (':', stream); putc_unlocked (' ', stream); +#if defined _LIBC || defined HAVE_STRERROR_R fputs (__strerror_r (errnum, buf, sizeof (buf)), stream); +#else + fputs (strerror (errnum), stream); +#endif } } @@ -1838,7 +1891,9 @@ __argp_failure (const struct argp_state *state, int status, int errnum, #endif putc_unlocked ('\n', stream); +#if _LIBC || (HAVE_FLOCKFILE && HAVE_FUNLOCKFILE) __funlockfile (stream); +#endif if (status && (!state || !(state->flags & ARGP_NO_EXIT))) exit (status); |