diff options
| -rw-r--r-- | ChangeLog | 20 | ||||
| -rw-r--r-- | misc/dirname.c | 21 | ||||
| -rw-r--r-- | misc/efgcvt.c | 29 | ||||
| -rw-r--r-- | misc/qefgcvt.c | 3 | ||||
| -rw-r--r-- | misc/tst-dirname.c | 8 | ||||
| -rw-r--r-- | misc/tst-efgcvt.c | 1 |
6 files changed, 67 insertions, 15 deletions
diff --git a/ChangeLog b/ChangeLog index e1a6eefca7..546bc94f26 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,23 @@ +2000-12-13 Jakub Jelinek <jakub@redhat.com> + + * misc/efgcvt.c (FCVT_MAXDIG): Define. + (FCVT_BUFPTR): New variable. + (fcvt): If fcvt_r returns -1 on the static short buffer, + try to malloc a sufficiently large one and retry. + (free_mem): New function. + * misc/qefgcvt.c (FCVT_MAXDIG): Define. + * misc/tst-efgcvt.c (fcvt_tests): Add new test. + +2000-12-15 Ulrich Drepper <drepper@redhat.com> + + * misc/dirname.c (dirname): Fix search for second to last slash. + +2000-12-13 Andreas Jaeger <aj@suse.de> + + * misc/tst-dirname.c (main): Fix typo in test to really use + the examples from Unix98. + Reported by Michael Kerrisk <mtk16@ext.canterbury.ac.nz>. + 2000-12-09 H.J. Lu <hjl@gnu.org> * sysdeps/ia64/fpu/s_fabs.S: New file. diff --git a/misc/dirname.c b/misc/dirname.c index 26c5a8b1ee..8be25e51b8 100644 --- a/misc/dirname.c +++ b/misc/dirname.c @@ -1,5 +1,5 @@ /* dirname - return directory part of PATH. - Copyright (C) 1996 Free Software Foundation, Inc. + Copyright (C) 1996, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. @@ -31,17 +31,20 @@ dirname (char *path) /* Find last '/'. */ last_slash = path != NULL ? strrchr (path, '/') : NULL; - if (last_slash == path) - /* The last slash is the first character in the string. We have to - return "/". */ - ++last_slash; - else if (last_slash != NULL && last_slash[1] == '\0') + if (last_slash != NULL && last_slash != path && last_slash[1] == '\0') /* The '/' is the last character, we have to look further. */ - last_slash = memchr (path, last_slash - path, '/'); + last_slash = __memrchr (path, '/', last_slash - path); if (last_slash != NULL) - /* Terminate the path. */ - last_slash[0] = '\0'; + { + /* Terminate the path. */ + if (last_slash == path) + /* The last slash is the first character in the string. We have to + return "/". */ + ++last_slash; + + last_slash[0] = '\0'; + } else /* This assignment is ill-designed but the XPG specs require to return a string containing "." in any case no directory part is diff --git a/misc/efgcvt.c b/misc/efgcvt.c index 37b4bc0163..5196c10565 100644 --- a/misc/efgcvt.c +++ b/misc/efgcvt.c @@ -31,6 +31,7 @@ /* Actually we have to write (DBL_DIG + log10 (DBL_MAX_10_EXP)) but we don't have log10 available in the preprocessor. */ # define MAXDIG (NDIGIT_MAX + 3) +# define FCVT_MAXDIG (DBL_MAX_10_EXP + MAXDIG) # if DBL_MANT_DIG == 53 # define NDIGIT_MAX 17 # elif DBL_MANT_DIG == 24 @@ -50,22 +51,34 @@ #define FCVT_BUFFER APPEND (FUNC_PREFIX, fcvt_buffer) +#define FCVT_BUFPTR APPEND (FUNC_PREFIX, fcvt_bufptr) #define ECVT_BUFFER APPEND (FUNC_PREFIX, ecvt_buffer) static char FCVT_BUFFER[MAXDIG]; static char ECVT_BUFFER[MAXDIG]; - +static char *FCVT_BUFPTR; char * APPEND (FUNC_PREFIX, fcvt) (value, ndigit, decpt, sign) FLOAT_TYPE value; int ndigit, *decpt, *sign; { + if (FCVT_BUFPTR == NULL) + { + if (APPEND (FUNC_PREFIX, fcvt_r) (value, ndigit, decpt, sign, + FCVT_BUFFER, MAXDIG) != -1) + return FCVT_BUFFER; + + FCVT_BUFPTR = (char *) malloc (FCVT_MAXDIG); + if (FCVT_BUFPTR == NULL) + return FCVT_BUFFER; + } + (void) APPEND (FUNC_PREFIX, fcvt_r) (value, ndigit, decpt, sign, - FCVT_BUFFER, MAXDIG); + FCVT_BUFPTR, FCVT_MAXDIG); - return FCVT_BUFFER; + return FCVT_BUFPTR; } @@ -89,3 +102,13 @@ APPEND (FUNC_PREFIX, gcvt) (value, ndigit, buf) sprintf (buf, "%.*" FLOAT_FMT_FLAG "g", MIN (ndigit, NDIGIT_MAX), value); return buf; } + +/* Free all resources if necessary. */ +static void __attribute__ ((unused)) +free_mem (void) +{ + if (FCVT_BUFPTR != NULL) + free (FCVT_BUFPTR); +} + +text_set_element (__libc_subfreeres, free_mem); diff --git a/misc/qefgcvt.c b/misc/qefgcvt.c index 63fc764121..2c5d636083 100644 --- a/misc/qefgcvt.c +++ b/misc/qefgcvt.c @@ -1,5 +1,5 @@ /* Compatibility functions for floating point formatting, long double version. - Copyright (C) 1996, 1997, 1999 Free Software Foundation, Inc. + Copyright (C) 1996, 1997, 1999, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -26,6 +26,7 @@ we don't have log10 available in the preprocessor. Since we cannot assume anything on the used `long double' format be generous. */ #define MAXDIG (NDIGIT_MAX + 12) +#define FCVT_MAXDIG (LDBL_MAX_10_EXP + MAXDIG) #if LDBL_MANT_DIG == 64 # define NDIGIT_MAX 21 #elif LDBL_MANT_DIG == 53 diff --git a/misc/tst-dirname.c b/misc/tst-dirname.c index fd24488f4f..e688bd3a42 100644 --- a/misc/tst-dirname.c +++ b/misc/tst-dirname.c @@ -24,7 +24,7 @@ #include <string.h> -int +static int test (const char *input, const char *result) { int retval; @@ -45,11 +45,15 @@ main (void) /* These are the examples given in XPG4.2. */ result |= test ("/usr/lib", "/usr"); - result |= test ("/usr", "/"); + result |= test ("/usr/", "/"); result |= test ("usr", "."); result |= test ("/", "/"); result |= test (".", "."); result |= test ("..", "."); + /* Some more tests. */ + result |= test ("/usr/lib/", "/usr"); + result |= test ("/usr", "/"); + return result != 0; } diff --git a/misc/tst-efgcvt.c b/misc/tst-efgcvt.c index 6eaa8be9f5..f2edb9d912 100644 --- a/misc/tst-efgcvt.c +++ b/misc/tst-efgcvt.c @@ -81,6 +81,7 @@ static testcase fcvt_tests[] = { 100.01, -4, 3, "100" }, { 123.01, -4, 3, "100" }, { 126.71, -4, 3, "100" }, + { 322.5, 16, 3, "3225000000000000000" }, /* -1.0 is end marker. */ { -1.0, 0, 0, "" } }; |