Correctly handle input files beginning with several newlines
Also, fix some comments (minor) Signed-off-by: David Wagner <david.wagner@free-electrons.com>
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627182ea9d
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@ -213,18 +213,18 @@ int main(int argc, char **argv)
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/* Replace newlines separating variables with \0 */
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/* Replace newlines separating variables with \0 */
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for (fp = 0, ep = 0 ; fp < filesize ; fp++) {
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for (fp = 0, ep = 0 ; fp < filesize ; fp++) {
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if (filebuf[fp] == '\n') {
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if (filebuf[fp] == '\n') {
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if (fp == 0) {
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if (ep == 0) {
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/*
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/*
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* Newline at the beginning of the file ?
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* Newlines at the beginning of the file ?
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* Ignore it.
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* Ignore them.
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*/
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*/
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continue;
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continue;
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} else if (filebuf[fp-1] == '\\') {
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} else if (filebuf[fp-1] == '\\') {
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/*
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/*
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* Embedded newline in a variable.
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* Embedded newline in a variable.
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*
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*
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* The backslash was added to the envptr ;
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* The backslash was added to the envptr; rewind
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* rewind and replace it with a newline
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* and replace it with a newline
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*/
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*/
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ep--;
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ep--;
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envptr[ep++] = '\n';
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envptr[ep++] = '\n';
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