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| author | Anthony Brandon <anthony.brandon@gmail.com> | 2014-11-05 17:23:46 +0000 |
|---|---|---|
| committer | Manuel López-Ibáñez <manu@gcc.gnu.org> | 2014-11-05 17:23:46 +0000 |
| commit | 9c7a77fcc3d2895ec72639aa7a2067280a612268 (patch) | |
| tree | f8a561245dafdb2b46ed8280e973df9662ea69bd /libiberty/filename_cmp.c | |
| parent | 701cade1a260d5a78662e304a7cac0aaf2d77951 (diff) | |
| download | gcc-9c7a77fcc3d2895ec72639aa7a2067280a612268.tar.gz | |
re PR driver/36312 (should refuse to overwrite input file with output file)
gcc/testsuite/ChangeLog:
2014-11-05 Anthony Brandon <anthony.brandon@gmail.com>
PR driver/36312
* gcc.misc-tests/output.exp: New test case for identical input and
output files.
include/ChangeLog:
2014-11-05 Anthony Brandon <anthony.brandon@gmail.com>
PR driver/36312
* filenames.h: Add prototype for canonical_filename_eq.
gcc/ChangeLog:
2014-11-05 Anthony Brandon <anthony.brandon@gmail.com>
PR driver/36312
* diagnostic-core.h: Add prototype for fatal_error.
* diagnostic.c (fatal_error): New function fatal_error.
* gcc.c (store_arg): Remove have_o_argbuf_index.
(process_command): Check if input and output files are the same.
* toplev.c (init_asm_output): Check if input and output files are
the same.
libiberty/ChangeLog:
2014-11-05 Anthony Brandon <anthony.brandon@gmail.com>
PR driver/36312
* filename_cmp.c (canonical_filename_eq): New function to check if
file names are the same.
* functions.texi: Updated with documentation for new function.
From-SVN: r217149
Diffstat (limited to 'libiberty/filename_cmp.c')
| -rw-r--r-- | libiberty/filename_cmp.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/libiberty/filename_cmp.c b/libiberty/filename_cmp.c index 9e16d242086..150488cbab1 100644 --- a/libiberty/filename_cmp.c +++ b/libiberty/filename_cmp.c @@ -24,8 +24,13 @@ #include <string.h> #endif +#ifdef HAVE_STDLIB_H +#include <stdlib.h> +#endif + #include "filenames.h" #include "safe-ctype.h" +#include "libiberty.h" /* @@ -190,3 +195,27 @@ filename_eq (const void *s1, const void *s2) /* The casts are for -Wc++-compat. */ return filename_cmp ((const char *) s1, (const char *) s2) == 0; } + +/* + +@deftypefn Extension int canonical_filename_eq (const char *@var{a}, const char *@var{b}) + +Return non-zero if file names @var{a} and @var{b} are equivalent. +This function compares the canonical versions of the filenames as returned by +@code{lrealpath()}, so that so that different file names pointing to the same +underlying file are treated as being identical. + +@end deftypefn + +*/ + +int +canonical_filename_eq (const char * a, const char * b) +{ + char * ca = lrealpath(a); + char * cb = lrealpath(b); + int res = filename_eq (ca, cb); + free (ca); + free (cb); + return res; +} |