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Make some variables more local

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This commit is contained in:
Christophe Grenier 2012-09-10 22:19:38 +02:00
parent 6cbb862854
commit f29c37c87b
6 changed files with 25 additions and 27 deletions
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8
src/file_asf.c
View file

@ -73,10 +73,6 @@ static int header_check_asf(const unsigned char *buffer, const unsigned int buff
0x30, 0x26, 0xb2, 0x75, 0x8e, 0x66, 0xcf, 0x11,
0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c
};
static const unsigned char asf_file_prop_id[16]= {
0xa1, 0xdc, 0xab, 0x8c, 0x47, 0xa9, 0xcf, 0x11,
0x8e, 0xe4, 0x00, 0xc0, 0x0c, 0x20, 0x53, 0x65
};
if(memcmp(buffer, asf_header_id, sizeof(asf_header_id))==0)
{
unsigned int i;
@ -89,6 +85,10 @@ static int header_check_asf(const unsigned char *buffer, const unsigned int buff
(const unsigned char *)(asf_file_prop+1) < buffer + buffer_size;
i++)
{
static const unsigned char asf_file_prop_id[16]= {
0xa1, 0xdc, 0xab, 0x8c, 0x47, 0xa9, 0xcf, 0x11,
0x8e, 0xe4, 0x00, 0xc0, 0x0c, 0x20, 0x53, 0x65
};
if(memcmp(asf_file_prop->object_id, asf_file_prop_id, sizeof(asf_file_prop_id))==0)
{
file_recovery_new->calculated_file_size=le64(asf_file_prop->file_size);

10
src/file_mkv.c
View file

@ -134,10 +134,11 @@ static void register_header_check_mkv(file_stat_t *file_stat)
static int header_check_mkv(const unsigned char *buffer, const unsigned int buffer_size, const unsigned int safe_header_only, const file_recovery_t *file_recovery, file_recovery_t *file_recovery_new)
{
const unsigned char EBML_DocType[2]= { 0x42,0x82};
const unsigned char EBML_Segment[4]= { 0x18,0x53,0x80,0x67};
if(memcmp(buffer,EBML_header,sizeof(EBML_header))==0)
if(memcmp(buffer,EBML_header,sizeof(EBML_header))!=0)
return 0;
{
const unsigned char EBML_DocType[2]= { 0x42,0x82};
const unsigned char EBML_Segment[4]= { 0x18,0x53,0x80,0x67};
uint64_t segment_size=0;
uint64_t header_data_size=0;
char *doctype=NULL;
@ -193,7 +194,6 @@ static int header_check_mkv(const unsigned char *buffer, const unsigned int buff
file_recovery_new->data_check=&data_check_size;
file_recovery_new->file_check=&file_check_size;
}
return 1;
}
return 0;
return 1;
}

2
src/file_mpg.c
View file

@ -156,7 +156,6 @@ static int header_check_mpg(const unsigned char *buffer, const unsigned int buff
static int data_check_mpg(const unsigned char *buffer, const unsigned int buffer_size, file_recovery_t *file_recovery)
{
const unsigned char padding_iso_end[8]= {0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x01, 0xB9};
const unsigned char sequence_end_iso_end[8]={0x00, 0x00, 0x01, 0xB7, 0x00, 0x00, 0x01, 0xB9};
/* search padding + end code */
if(buffer_size>=8 && memcmp(&buffer[buffer_size/2-4], padding_iso_end, sizeof(padding_iso_end))==0)
{
@ -169,6 +168,7 @@ static int data_check_mpg(const unsigned char *buffer, const unsigned int buffer
unsigned int i;
for(i=buffer_size/2-7; i<buffer_size-7; i++)
{
const unsigned char sequence_end_iso_end[8]={0x00, 0x00, 0x01, 0xB7, 0x00, 0x00, 0x01, 0xB9};
if(buffer[i]==0x00 && memcmp(&buffer[i], sequence_end_iso_end, sizeof(sequence_end_iso_end))==0)
{
file_recovery->calculated_file_size=file_recovery->file_size+i+sizeof(sequence_end_iso_end)-buffer_size/2;

2
src/file_mrw.c
View file

@ -79,9 +79,9 @@ struct prd {
/* Minolta */
static int header_check_mrw(const unsigned char *buffer, const unsigned int buffer_size, const unsigned int safe_header_only, const file_recovery_t *file_recovery, file_recovery_t *file_recovery_new)
{
const unsigned char prd_header[4]= { 0x00,'P','R','D'};
if(memcmp(buffer,mrw_header,sizeof(mrw_header))==0)
{
const unsigned char prd_header[4]= { 0x00,'P','R','D'};
const struct hdr *mrmhdr = (const struct hdr*)buffer;
if(memcmp(mrmhdr->data,prd_header,sizeof(prd_header))==0)
{

18
src/file_qdf.c
View file

@ -45,19 +45,21 @@ const file_hint_t file_hint_qdf= {
};
static const unsigned char qdf_header[6] = { 0xAC, 0x9E, 0xBD, 0x8F, 0x00, 0x00};
static const unsigned char qdf_header2[0x10] = {
0xd0, 0xcf, 0x11, 0xe0, 0xa1, 0xb1, 0x1a, 0xe1,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
static void register_header_check_qdf(file_stat_t *file_stat)
{
register_header_check(0, qdf_header,sizeof(qdf_header), &header_check_qdf, file_stat);
register_header_check(0, qdf_header, sizeof(qdf_header), &header_check_qdf, file_stat);
register_header_check(0, qdf_header2, sizeof(qdf_header2), &header_check_qdf, file_stat);
}
static int header_check_qdf(const unsigned char *buffer, const unsigned int buffer_size, const unsigned int safe_header_only, const file_recovery_t *file_recovery, file_recovery_t *file_recovery_new)
{
if(memcmp(buffer,qdf_header,sizeof(qdf_header))==0)
{
reset_file_recovery(file_recovery_new);
file_recovery_new->extension=file_hint_qdf.extension;
return 1;
}
return 0;
reset_file_recovery(file_recovery_new);
file_recovery_new->extension=file_hint_qdf.extension;
return 1;
}

12
src/file_txt.c
View file

@ -77,7 +77,6 @@ const file_hint_t file_hint_txt= {
.register_header_check=&register_header_check_txt
};
static const unsigned char header_ReceivedFrom[14]= {'R','e','c','e','i','v','e','d',':',' ','f','r','o','m'};
static unsigned char ascii_char[256];
static void register_header_check_txt(file_stat_t *file_stat)
@ -718,14 +717,13 @@ static int header_check_le16_txt(const unsigned char *buffer, const unsigned int
static void file_check_emlx(file_recovery_t *file_recovery)
{
const unsigned char emlx_footer[9]= {'<', '/', 'p', 'l', 'i', 's', 't', '>', 0x0a};
if(file_recovery->file_size < file_recovery->calculated_file_size)
file_recovery->file_size=0;
else
{
if(file_recovery->file_size > file_recovery->calculated_file_size+2048)
file_recovery->file_size=file_recovery->calculated_file_size+2048;
file_search_footer(file_recovery, emlx_footer, sizeof(emlx_footer), 0);
file_search_footer(file_recovery, "</plist>\n", 9, 0);
}
}
@ -734,8 +732,6 @@ static int header_check_txt(const unsigned char *buffer, const unsigned int buff
static char *buffer_lower=NULL;
static unsigned int buffer_lower_size=0;
unsigned int l=0;
const char sign_h[] = "/*";
static const unsigned char header_ReturnPath[13]= {'R','e','t','u','r','n','-','P','a','t','h',':',' '};
const unsigned int buffer_size_test=(buffer_size < 2048 ? buffer_size : 2048);
{
unsigned int i;
@ -743,8 +739,8 @@ static int header_check_txt(const unsigned char *buffer, const unsigned int buff
for(i=0;i<10 && isdigit(buffer[i]);i++)
tmp=tmp*10+buffer[i]-'0';
if(buffer[i]==0x0a &&
(memcmp(buffer+i+1, header_ReturnPath, sizeof(header_ReturnPath))==0 ||
memcmp(buffer+i+1, header_ReceivedFrom, sizeof(header_ReceivedFrom))==0) &&
(memcmp(buffer+i+1, "Return-Path: ", 13)==0 ||
memcmp(buffer+i+1, "Received: from", 14)==0) &&
!(file_recovery!=NULL && file_recovery->file_stat!=NULL &&
file_recovery->file_stat->file_hint==&file_hint_fasttxt &&
strcmp(file_recovery->extension,"mbox")==0))
@ -940,7 +936,7 @@ static int header_check_txt(const unsigned char *buffer, const unsigned int buff
ext="f";
else if(strstr(buffer_lower, "\\score {")!=NULL)
ext="ly"; /* LilyPond http://lilypond.org*/
else if(strstr(buffer_lower, sign_h)!=NULL && l>50)
else if(strstr(buffer_lower, "/*")!=NULL && l>50)
ext="h";
else if(l<100 || ind<0.03 || ind>0.90)
ext=NULL;