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libbacktrace: only match magic number at start of line

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libbacktrace/ChangeLog:
	PR libbacktrace/96971
	* filetype.awk: Only match magic number at start of line.
This commit is contained in:
Ian Lance Taylor 2020-09-08 12:51:07 -07:00
parent 87603e5656
commit 651c61c3ce
1 changed files with 12 additions and 12 deletions
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24
libbacktrace/filetype.awk
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@ -1,13 +1,13 @@
# An awk script to determine the type of a file. # An awk script to determine the type of a file.
/\177ELF\001/ { if (NR == 1) { print "elf32"; exit } } /^\177ELF\001/ { if (NR == 1) { print "elf32"; exit } }
/\177ELF\002/ { if (NR == 1) { print "elf64"; exit } } /^\177ELF\002/ { if (NR == 1) { print "elf64"; exit } }
/\114\001/ { if (NR == 1) { print "pecoff"; exit } } /^\114\001/ { if (NR == 1) { print "pecoff"; exit } }
/\144\206/ { if (NR == 1) { print "pecoff"; exit } } /^\144\206/ { if (NR == 1) { print "pecoff"; exit } }
/\001\337/ { if (NR == 1) { print "xcoff32"; exit } } /^\001\337/ { if (NR == 1) { print "xcoff32"; exit } }
/\001\367/ { if (NR == 1) { print "xcoff64"; exit } } /^\001\367/ { if (NR == 1) { print "xcoff64"; exit } }
/\376\355\372\316/ { if (NR == 1) { print "macho"; exit } } /^\376\355\372\316/ { if (NR == 1) { print "macho"; exit } }
/\316\372\355\376/ { if (NR == 1) { print "macho"; exit } } /^\316\372\355\376/ { if (NR == 1) { print "macho"; exit } }
/\376\355\372\317/ { if (NR == 1) { print "macho"; exit } } /^\376\355\372\317/ { if (NR == 1) { print "macho"; exit } }
/\317\372\355\376/ { if (NR == 1) { print "macho"; exit } } /^\317\372\355\376/ { if (NR == 1) { print "macho"; exit } }
/\312\376\272\276/ { if (NR == 1) { print "macho"; exit } } /^\312\376\272\276/ { if (NR == 1) { print "macho"; exit } }
/\276\272\376\312/ { if (NR == 1) { print "macho"; exit } } /^\276\272\376\312/ { if (NR == 1) { print "macho"; exit } }