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Simplify v1 printing... that looping was too clever - and didn't save code lines!

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git-svn-id: svn://scm.orgis.org/mpg123/trunk@1206 35dc7657-300d-0410-a2e5-dc2837fedb53
This commit is contained in:
thor
2007-12-01 22:01:03 +00:00
parent 56ed6fb018
commit 489a56fbcf
1 changed files with 16 additions and 18 deletions
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34
doc/examples/id3dump.c
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@ -12,29 +12,28 @@
#include "stdio.h"
#include "sys/types.h"
/* This looping code poses the question if one shouldn't store the tags in something loopable to begin with. */
/* The "nice" printing functions need loop limits. */
#define V1FIELDS 6
#define V2FIELDS 6
void safe_print(char* name, char *data, size_t size)
{
char safe[31];
if(size>30) return;
memcpy(safe, data, size);
safe[size] = 0;
printf("%s: %s\n", name, safe);
}
void print_v1(mpg123_id3v1 *v1)
{
int i;
const char *names[] = { "TAG", "Title", "Artist", "Album", "Year", "Comment" };
char *sources[sizeof(names)/sizeof(char*)];
size_t sizes[sizeof(names)/sizeof(char*)];
sources[0] = v1->tag; sizes[0] = sizeof(v1->tag);
sources[1] = v1->title; sizes[1] = sizeof(v1->title);
sources[2] = v1->artist; sizes[2] = sizeof(v1->artist);
sources[3] = v1->album; sizes[3] = sizeof(v1->album);
sources[4] = v1->year; sizes[4] = sizeof(v1->year);
sources[5] = v1->comment; sizes[5] = sizeof(v1->comment);
for(i=1; i<V1FIELDS; ++i)
{
char safe[31];
memcpy(safe, sources[i], sizes[i]);
safe[sizes[i]] = 0;
printf("%s: %s\n", names[i], safe);
}
safe_print("Title", v1->title, sizeof(v1->title));
safe_print("Artist", v1->artist, sizeof(v1->artist));
safe_print("Album", v1->album, sizeof(v1->album));
safe_print("Year", v1->year, sizeof(v1->year));
safe_print("Comment", v1->comment, sizeof(v1->comment));
printf("Genre: %i", v1->genre);
}
@ -149,7 +148,6 @@ int main(int argc, char **argv)
}
mpg123_init();
m = mpg123_new(NULL, NULL);
mpg123_param(m, MPG123_VERBOSE, 4, 0);
for(i=1; i < argc; ++i)
{