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[libpng17] Imported from libpng-1.7.0beta34.tar

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Glenn Randers-Pehrson
2014-03-17 10:28:56 -05:00
parent 0fb41f05df
commit b407af6503
23 changed files with 41 additions and 40 deletions
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20
scripts/dfn.awk
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@@ -1,9 +1,9 @@
#!/bin/awk -f
# scripts/dfn.awk - process a .dfn file
#
# last changed in libpng version 1.5.14 - February 4, 2013
# last changed in libpng version 1.5.19 - $RDATE%
#
# Copyright (c) 2013-2013 Glenn Randers-Pehrson
# Copyright (c) 2013-2014 Glenn Randers-Pehrson
#
# This code is released under the libpng license.
# For conditions of distribution and use, see the disclaimer
@@ -25,7 +25,7 @@ BEGIN{
# The output file must be specified before any input:
NR==1 && out == "/dev/null" {
print "out=output.file must be given on the command line"
# but continue without setting the error code, this allows the
# but continue without setting the error code; this allows the
# script to be checked easily
}
@@ -61,14 +61,14 @@ $1 ~ /^PNG_DFN_END_SORT/{
}
/^[^"]*PNG_DFN *".*"[^"]*$/{
# A definition line, apparently correctly formated, extract the
# A definition line, apparently correctly formatted; extract the
# definition then replace any doubled "" that remain with a single
# double quote. Notice that the original doubled double quotes
# may have been split by tokenization
#
# Sometimes GCC splits the PNG_DFN lines, we know this has happened
# Sometimes GCC splits the PNG_DFN lines; we know this has happened
# if the quotes aren't closed and must read another line. In this
# case it is essential to reject lines that start '#' because those
# case it is essential to reject lines that start with '#' because those
# are introduced #line directives.
orig=$0
line=$0
@@ -126,13 +126,13 @@ $1 ~ /^PNG_DFN_END_SORT/{
else while (1) {
if (getline nextline) {
# If the line starts with '#' it is a preprocesor line directive
# from cc -E, skip it:
# from cc -E; skip it:
if (nextline !~ /^#/) {
line = line " " nextline
break
}
} else {
# This is end-of-input - probably a missig "@ on the first line:
# This is end-of-input - probably a missing "@ on the first line:
print "line", lineno ": unbalanced @\" ... \"@ pair"
err=1
next
@@ -144,7 +144,7 @@ $1 ~ /^PNG_DFN_END_SORT/{
}
# Attempt to remove a trailing " (not preceded by '@') - if this can
# be done stop now, if not assume a split line again
# be done, stop now; if not assume a split line again
if (sub(/"[^"]*$/, "", line))
break
@@ -189,7 +189,7 @@ $1 ~ /^PNG_DFN_END_SORT/{
next
}
/PNG_DFN/{
/PNG_DFN/{
print "line", NR, "incorrectly formatted PNG_DFN line:"
print $0
err = 1