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Metaflac hex dump UTF-8 and locale fix.

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Change metaflac hexdump function so utf-8 decoding is only used for
filename printing and changed hex output printing to not rely only
on isprint. That function seems to return true for tabulator
control character under Windows when application isn't using C-locale.

Patch (with one minor tweak) from Janne Hyvärinen <cse@sci.fi>.
This commit is contained in:
Erik de Castro Lopo 2013-04-21 18:05:21 +10:00
parent e8ffe523f8
commit f9d33d96e5
1 changed files with 24 additions and 18 deletions
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42
src/metaflac/utils.c
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@ -77,17 +77,23 @@ void local_strcat(char **dest, const char *source)
safe_strncpy((*dest)+ndest, source, ndest + nsource + 1);
}
static inline int local_isprint(int c)
{
if (c < 32) return 0;
return isprint(c);
}
void hexdump(const char *filename, const FLAC__byte *buf, unsigned bytes, const char *indent)
{
unsigned i, left = bytes;
const FLAC__byte *b = buf;
for(i = 0; i < bytes; i += 16) {
flac_printf("%s%s%s%08X: "
flac_printf("%s%s", filename? filename:"", filename? ":":"");
printf("%s%08X: "
"%02X %02X %02X %02X %02X %02X %02X %02X "
"%02X %02X %02X %02X %02X %02X %02X %02X "
"%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c\n",
filename? filename:"", filename? ":":"",
indent, i,
left > 0? (unsigned char)b[ 0] : 0,
left > 1? (unsigned char)b[ 1] : 0,
@ -105,22 +111,22 @@ void hexdump(const char *filename, const FLAC__byte *buf, unsigned bytes, const
left > 13? (unsigned char)b[13] : 0,
left > 14? (unsigned char)b[14] : 0,
left > 15? (unsigned char)b[15] : 0,
(left > 0) ? (isprint(b[ 0]) ? b[ 0] : '.') : ' ',
(left > 1) ? (isprint(b[ 1]) ? b[ 1] : '.') : ' ',
(left > 2) ? (isprint(b[ 2]) ? b[ 2] : '.') : ' ',
(left > 3) ? (isprint(b[ 3]) ? b[ 3] : '.') : ' ',
(left > 4) ? (isprint(b[ 4]) ? b[ 4] : '.') : ' ',
(left > 5) ? (isprint(b[ 5]) ? b[ 5] : '.') : ' ',
(left > 6) ? (isprint(b[ 6]) ? b[ 6] : '.') : ' ',
(left > 7) ? (isprint(b[ 7]) ? b[ 7] : '.') : ' ',
(left > 8) ? (isprint(b[ 8]) ? b[ 8] : '.') : ' ',
(left > 9) ? (isprint(b[ 9]) ? b[ 9] : '.') : ' ',
(left > 10) ? (isprint(b[10]) ? b[10] : '.') : ' ',
(left > 11) ? (isprint(b[11]) ? b[11] : '.') : ' ',
(left > 12) ? (isprint(b[12]) ? b[12] : '.') : ' ',
(left > 13) ? (isprint(b[13]) ? b[13] : '.') : ' ',
(left > 14) ? (isprint(b[14]) ? b[14] : '.') : ' ',
(left > 15) ? (isprint(b[15]) ? b[15] : '.') : ' '
(left > 0) ? (local_isprint(b[ 0]) ? b[ 0] : '.') : ' ',
(left > 1) ? (local_isprint(b[ 1]) ? b[ 1] : '.') : ' ',
(left > 2) ? (local_isprint(b[ 2]) ? b[ 2] : '.') : ' ',
(left > 3) ? (local_isprint(b[ 3]) ? b[ 3] : '.') : ' ',
(left > 4) ? (local_isprint(b[ 4]) ? b[ 4] : '.') : ' ',
(left > 5) ? (local_isprint(b[ 5]) ? b[ 5] : '.') : ' ',
(left > 6) ? (local_isprint(b[ 6]) ? b[ 6] : '.') : ' ',
(left > 7) ? (local_isprint(b[ 7]) ? b[ 7] : '.') : ' ',
(left > 8) ? (local_isprint(b[ 8]) ? b[ 8] : '.') : ' ',
(left > 9) ? (local_isprint(b[ 9]) ? b[ 9] : '.') : ' ',
(left > 10) ? (local_isprint(b[10]) ? b[10] : '.') : ' ',
(left > 11) ? (local_isprint(b[11]) ? b[11] : '.') : ' ',
(left > 12) ? (local_isprint(b[12]) ? b[12] : '.') : ' ',
(left > 13) ? (local_isprint(b[13]) ? b[13] : '.') : ' ',
(left > 14) ? (local_isprint(b[14]) ? b[14] : '.') : ' ',
(left > 15) ? (local_isprint(b[15]) ? b[15] : '.') : ' '
);
left -= 16;
b += 16;