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Correctly handle input files beginning with several newlines

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Also, fix some comments (minor)

Signed-off-by: David Wagner <david.wagner@free-electrons.com>
This commit is contained in:
David Wagner 2011-12-20 14:59:29 +00:00 committed by Wolfgang Denk
parent 627182ea9d
commit dbee61db43
1 changed files with 5 additions and 5 deletions
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10
tools/mkenvimage.c
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@ -213,18 +213,18 @@ int main(int argc, char **argv)
/* Replace newlines separating variables with \0 */
for (fp = 0, ep = 0 ; fp < filesize ; fp++) {
if (filebuf[fp] == '\n') {
if (fp == 0) {
if (ep == 0) {
/*
* Newline at the beginning of the file ?
* Ignore it.
* Newlines at the beginning of the file ?
* Ignore them.
*/
continue;
} else if (filebuf[fp-1] == '\\') {
/*
* Embedded newline in a variable.
*
* The backslash was added to the envptr ;
* rewind and replace it with a newline
* The backslash was added to the envptr; rewind
* and replace it with a newline
*/
ep--;
envptr[ep++] = '\n';