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file(1): Add ELF support

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This commit is contained in:
Arun Thomas 2010-12-10 15:18:28 +00:00
parent 11904c0435
commit 691030d5ce
1 changed files with 9 additions and 1 deletions
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10
commands/file/file.c
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@ -1,3 +1,4 @@
/* file - report on file type. Author: Andy Tanenbaum */ /* file - report on file type. Author: Andy Tanenbaum */
/* Magic number detection changed to look-up table 08-Jan-91 - ajm */ /* Magic number detection changed to look-up table 08-Jan-91 - ajm */
@ -16,7 +17,7 @@ unsigned char buf[BLOCK_SIZE];
struct info { struct info {
int execflag; /* 1 == ack executable, 2 == gnu executable, int execflag; /* 1 == ack executable, 2 == gnu executable,
* 3 == core */ * 3 == core, 4 == elf executable */
unsigned char magic[4]; /* First four bytes of the magic number */ unsigned char magic[4]; /* First four bytes of the magic number */
unsigned char mask[4]; /* Mask to apply when matching */ unsigned char mask[4]; /* Mask to apply when matching */
char *description; /* What it means */ char *description; /* What it means */
@ -57,6 +58,8 @@ struct info {
"MINIX-68k gnu executable", "MINIX-68k gnu executable",
0x03, 0x82, 0x12, 0xC4, 0xC0, 0xff, 0xff, 0xff, 0xff, 0x03, 0x82, 0x12, 0xC4, 0xC0, 0xff, 0xff, 0xff, 0xff,
"core file", "core file",
0x04, 0x7F, 0x45, 0x4C, 0x46, 0xff, 0xff, 0xff, 0xff,
"ELF executable",
}; };
int tabsize = sizeof(table) / sizeof(struct info); int tabsize = sizeof(table) / sizeof(struct info);
@ -268,6 +271,11 @@ int type;
return; return;
} }
if (type == 4) { /* ELF executable */
printf("\n");
return;
}
printf("\n"); /* Not an executable file */ printf("\n"); /* Not an executable file */
} }