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consolidate chain error reporting in a single function, add extra explanation for common errors

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This commit is contained in:
Josh Coalson
2004-07-23 05:11:52 +00:00
parent 3cb83414a9
commit 9454b41d5e
6 changed files with 65 additions and 8 deletions
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10
src/metaflac/operations.c
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@@ -109,7 +109,7 @@ FLAC__bool do_major_operation_on_file(const char *filename, const CommandLineOpt
die("out of memory allocating chain");
if(!FLAC__metadata_chain_read(chain, filename)) {
fprintf(stderr, "%s: ERROR: reading metadata, status = \"%s\"\n", filename, FLAC__Metadata_ChainStatusString[FLAC__metadata_chain_status(chain)]);
print_error_with_chain_status(chain, "%s: ERROR: reading metadata", filename);
return false;
}
@@ -147,7 +147,7 @@ FLAC__bool do_major_operation_on_file(const char *filename, const CommandLineOpt
FLAC__metadata_chain_sort_padding(chain);
ok = FLAC__metadata_chain_write(chain, options->use_padding, options->preserve_modtime);
if(!ok)
fprintf(stderr, "%s: ERROR: writing FLAC file, error = %s\n", filename, FLAC__Metadata_ChainStatusString[FLAC__metadata_chain_status(chain)]);
print_error_with_chain_status(chain, "%s: ERROR: writing FLAC file", filename);
}
FLAC__metadata_chain_delete(chain);
@@ -267,7 +267,7 @@ FLAC__bool do_shorthand_operations_on_file(const char *filename, const CommandLi
die("out of memory allocating chain");
if(!FLAC__metadata_chain_read(chain, filename)) {
fprintf(stderr, "%s: ERROR: reading metadata, status = \"%s\"\n", filename, FLAC__Metadata_ChainStatusString[FLAC__metadata_chain_status(chain)]);
print_error_with_chain_status(chain, "%s: ERROR: reading metadata", filename);
return false;
}
@@ -304,7 +304,7 @@ FLAC__bool do_shorthand_operations_on_file(const char *filename, const CommandLi
FLAC__metadata_chain_sort_padding(chain);
ok = FLAC__metadata_chain_write(chain, use_padding, options->preserve_modtime);
if(!ok)
fprintf(stderr, "%s: ERROR: writing FLAC file, error = %s\n", filename, FLAC__Metadata_ChainStatusString[FLAC__metadata_chain_status(chain)]);
print_error_with_chain_status(chain, "%s: ERROR: writing FLAC file", filename);
}
FLAC__metadata_chain_delete(chain);
@@ -478,7 +478,7 @@ FLAC__bool do_shorthand_operation__add_padding(const char *filename, FLAC__Metad
padding->length = length;
if(!FLAC__metadata_iterator_insert_block_after(iterator, padding)) {
fprintf(stderr, "%s: ERROR: adding new PADDING block to metadata, status =\"%s\"\n", filename, FLAC__Metadata_ChainStatusString[FLAC__metadata_chain_status(chain)]);
print_error_with_chain_status(chain, "%s: ERROR: adding new PADDING block to metadata", filename);
FLAC__metadata_object_delete(padding);
FLAC__metadata_iterator_delete(iterator);
return false;

2
src/metaflac/operations_shorthand_cuesheet.c
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@@ -75,7 +75,7 @@ FLAC__bool do_shorthand_operation__cuesheet(const char *filename, FLAC__Metadata
while(FLAC__metadata_iterator_next(iterator))
;
if(!FLAC__metadata_iterator_insert_block_after(iterator, cuesheet)) {
fprintf(stderr, "%s: ERROR: adding new CUESHEET block to metadata, status =\"%s\"\n", filename, FLAC__Metadata_ChainStatusString[FLAC__metadata_chain_status(chain)]);
print_error_with_chain_status(chain, "%s: ERROR: adding new CUESHEET block to metadata", filename);
FLAC__metadata_object_delete(cuesheet);
ok = false;
}

2
src/metaflac/operations_shorthand_seektable.c
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@@ -60,7 +60,7 @@ FLAC__bool do_shorthand_operation__add_seekpoints(const char *filename, FLAC__Me
while(FLAC__metadata_iterator_prev(iterator))
;
if(!FLAC__metadata_iterator_insert_block_after(iterator, block)) {
fprintf(stderr, "%s: ERROR: adding new SEEKTABLE block to metadata, status =\"%s\"\n", filename, FLAC__Metadata_ChainStatusString[FLAC__metadata_chain_status(chain)]);
print_error_with_chain_status(chain, "%s: ERROR: adding new SEEKTABLE block to metadata", filename);
FLAC__metadata_object_delete(block);
return false;
}

2
src/metaflac/operations_shorthand_vorbiscomment.c
View File

@@ -56,7 +56,7 @@ FLAC__bool do_shorthand_operation__vorbis_comment(const char *filename, FLAC__bo
while(FLAC__metadata_iterator_next(iterator))
;
if(!FLAC__metadata_iterator_insert_block_after(iterator, block)) {
fprintf(stderr, "%s: ERROR: adding new VORBIS_COMMENT block to metadata, status =\"%s\"\n", filename, FLAC__Metadata_ChainStatusString[FLAC__metadata_chain_status(chain)]);
print_error_with_chain_status(chain, "%s: ERROR: adding new VORBIS_COMMENT block to metadata", filename);
return false;
}
/* iterator is left pointing to new block */

56
src/metaflac/utils.c
View File

@@ -20,6 +20,7 @@
#include "FLAC/assert.h"
#include "share/utf8.h"
#include <ctype.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@@ -119,6 +120,61 @@ void hexdump(const char *filename, const FLAC__byte *buf, unsigned bytes, const
}
}
void print_error_with_chain_status(FLAC__Metadata_Chain *chain, const char *format, ...)
{
const FLAC__Metadata_ChainStatus status = FLAC__metadata_chain_status(chain);
va_list args;
FLAC__ASSERT(0 != format);
va_start(args, format);
(void) vfprintf(stderr, format, args);
va_end(args);
fprintf(stderr, ", status = \"%s\"\n", FLAC__Metadata_ChainStatusString[status]);
if(status == FLAC__METADATA_CHAIN_STATUS_ERROR_OPENING_FILE) {
fprintf(stderr, "\n"
"The FLAC file could not be opened. Most likely the file does not exist\n"
"or is not readable.\n"
);
}
else if(status == FLAC__METADATA_CHAIN_STATUS_NOT_A_FLAC_FILE) {
fprintf(stderr, "\n"
"The file does not appear to be a FLAC file.\n"
);
}
else if(status == FLAC__METADATA_CHAIN_STATUS_NOT_WRITABLE) {
fprintf(stderr, "\n"
"The FLAC file does not have write permissions.\n"
);
}
else if(status == FLAC__METADATA_CHAIN_STATUS_BAD_METADATA) {
fprintf(stderr, "\n"
"The metadata to be writted does not conform to the FLAC metadata\n"
"specifications.\n"
);
}
else if(status == FLAC__METADATA_CHAIN_STATUS_READ_ERROR) {
fprintf(stderr, "\n"
"There was an error while reading the FLAC file.\n"
);
}
else if(status == FLAC__METADATA_CHAIN_STATUS_WRITE_ERROR) {
fprintf(stderr, "\n"
"There was an error while writing FLAC file; most probably the disk is\n"
"full.\n"
);
}
else if(status == FLAC__METADATA_CHAIN_STATUS_UNLINK_ERROR) {
fprintf(stderr, "\n"
"There was an error removing the temporary FLAC file.\n"
);
}
}
FLAC__bool parse_vorbis_comment_field(const char *field_ref, char **field, char **name, char **value, unsigned *length, const char **violation)
{
static const char * const violations[] = {

1
src/metaflac/utils.h
View File

@@ -31,6 +31,7 @@ size_t local_fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream);
char *local_strdup(const char *source);
void local_strcat(char **dest, const char *source);
void hexdump(const char *filename, const FLAC__byte *buf, unsigned bytes, const char *indent);
void print_error_with_chain_status(FLAC__Metadata_Chain *chain, const char *format, ...);
FLAC__bool parse_vorbis_comment_field(const char *field_ref, char **field, char **name, char **value, unsigned *length, const char **violation);