Add delim_string_to_char_ptr_vec.
* common/gdb_vecs.c (delim_string_to_char_ptr_vec_append): New function, contents of dirnames_to_char_ptr_vec_append moved here. (delim_string_to_char_ptr_vec): New function. (dirnames_to_char_ptr_vec_append): Rewrite. * common/gdb_vecs.h (delim_string_to_char_ptr_vec): Declare.
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parent
df049a5831
commit
749234e540
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@ -1,3 +1,11 @@
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2014-01-17 Doug Evans <dje@google.com>
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* common/gdb_vecs.c (delim_string_to_char_ptr_vec_append): New
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function, contents of dirnames_to_char_ptr_vec_append moved here.
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(delim_string_to_char_ptr_vec): New function.
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(dirnames_to_char_ptr_vec_append): Rewrite.
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* common/gdb_vecs.h (delim_string_to_char_ptr_vec): Declare.
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2014-01-17 Doug Evans <dje@google.com>
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* common/common-utils.h (FUNCTION_NAME): Renamed from ASSERT_FUNCTION,
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@ -44,6 +44,52 @@ free_char_ptr_vec (VEC (char_ptr) *char_ptr_vec)
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VEC_free (char_ptr, char_ptr_vec);
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}
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/* Worker function to split character delimiter separated string of fields
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STR into a CHAR_PTR_VEC. */
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static void
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delim_string_to_char_ptr_vec_append (VEC (char_ptr) **vecp,
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const char *str, char delimiter)
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{
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do
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{
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size_t this_len;
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char *next_field, *this_field;
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next_field = strchr (str, delimiter);
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if (next_field == NULL)
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this_len = strlen (str);
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else
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{
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this_len = next_field - str;
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next_field++;
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}
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this_field = xmalloc (this_len + 1);
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memcpy (this_field, str, this_len);
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this_field[this_len] = '\0';
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VEC_safe_push (char_ptr, *vecp, this_field);
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str = next_field;
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}
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while (str != NULL);
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}
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/* Split STR, a list of DELIMITER-separated fields, into a CHAR_PTR_VEC.
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You may modify the returned strings.
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Read free_char_ptr_vec for its cleanup. */
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VEC (char_ptr) *
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delim_string_to_char_ptr_vec (const char *str, char delimiter)
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{
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VEC (char_ptr) *retval = NULL;
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delim_string_to_char_ptr_vec_append (&retval, str, delimiter);
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return retval;
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}
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/* Extended version of dirnames_to_char_ptr_vec - additionally if *VECP is
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non-NULL the new list elements from DIRNAMES are appended to the existing
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*VECP list of entries. *VECP address will be updated by this call. */
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@ -51,28 +97,7 @@ free_char_ptr_vec (VEC (char_ptr) *char_ptr_vec)
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void
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dirnames_to_char_ptr_vec_append (VEC (char_ptr) **vecp, const char *dirnames)
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{
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do
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{
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size_t this_len;
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char *next_dir, *this_dir;
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next_dir = strchr (dirnames, DIRNAME_SEPARATOR);
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if (next_dir == NULL)
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this_len = strlen (dirnames);
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else
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{
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this_len = next_dir - dirnames;
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next_dir++;
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}
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this_dir = xmalloc (this_len + 1);
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memcpy (this_dir, dirnames, this_len);
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this_dir[this_len] = '\0';
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VEC_safe_push (char_ptr, *vecp, this_dir);
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dirnames = next_dir;
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}
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while (dirnames != NULL);
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delim_string_to_char_ptr_vec_append (vecp, dirnames, DIRNAME_SEPARATOR);
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}
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/* Split DIRNAMES by DIRNAME_SEPARATOR delimiter and return a list of all the
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@ -36,6 +36,9 @@ extern void free_char_ptr_vec (VEC (char_ptr) *char_ptr_vec);
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extern struct cleanup *
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make_cleanup_free_char_ptr_vec (VEC (char_ptr) *char_ptr_vec);
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extern VEC (char_ptr) *delim_string_to_char_ptr_vec (const char *str,
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char delimiter);
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extern void dirnames_to_char_ptr_vec_append (VEC (char_ptr) **vecp,
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const char *dirnames);
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