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author | Bruno Haible <bruno@clisp.org> | 2008-09-02 01:34:21 +0200 |
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committer | Bruno Haible <bruno@clisp.org> | 2008-09-02 01:34:21 +0200 |
commit | 27dbed51f810014b4d495bf69ab41c423e2eb15d (patch) | |
tree | d484a8d4f8cd0434e4debd38fa3482405e909b0b /lib/concat-filename.c | |
parent | be6c2737cca8fa0f8e41e836e0cb843bc9138035 (diff) | |
download | gnulib-27dbed51f810014b4d495bf69ab41c423e2eb15d.tar.gz |
New module 'xconcat-filename', split off from module 'concat-filename'.
Diffstat (limited to 'lib/concat-filename.c')
-rw-r--r-- | lib/concat-filename.c | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/lib/concat-filename.c b/lib/concat-filename.c index 94532d0741..a1d22fa541 100644 --- a/lib/concat-filename.c +++ b/lib/concat-filename.c @@ -21,15 +21,17 @@ /* Specification. */ #include "concat-filename.h" +#include <errno.h> +#include <stdlib.h> #include <string.h> #include "filename.h" -#include "xalloc.h" /* Concatenate a directory filename, a relative filename and an optional suffix. The directory may end with the directory separator. The second argument may not start with the directory separator (it is relative). - Return a freshly allocated filename. */ + Return a freshly allocated filename. Return NULL and set errno + upon memory allocation failure. */ char * concatenated_filename (const char *directory, const char *filename, const char *suffix) @@ -40,10 +42,11 @@ concatenated_filename (const char *directory, const char *filename, if (strcmp (directory, ".") == 0) { /* No need to prepend the directory. */ - result = XNMALLOC (strlen (filename) - + (suffix != NULL ? strlen (suffix) : 0) - + 1, - char); + result = (char *) malloc (strlen (filename) + + (suffix != NULL ? strlen (suffix) : 0) + + 1); + if (result == NULL) + return NULL; /* errno is set here */ p = result; } else @@ -52,11 +55,12 @@ concatenated_filename (const char *directory, const char *filename, int need_slash = (directory_len > FILE_SYSTEM_PREFIX_LEN (directory) && !ISSLASH (directory[directory_len - 1])); - result = XNMALLOC (directory_len + need_slash - + strlen (filename) - + (suffix != NULL ? strlen (suffix) : 0) - + 1, - char); + result = (char *) malloc (directory_len + need_slash + + strlen (filename) + + (suffix != NULL ? strlen (suffix) : 0) + + 1); + if (result == NULL) + return NULL; /* errno is set here */ memcpy (result, directory, directory_len); p = result + directory_len; if (need_slash) |