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help the compiler create more efficient code

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Patch from Michael <virtual_worlds@gmx.de>
Full text: As usual I have modified only minor things to remove warnigs when compiled as C++ code, have added some const-specifiers where possible to help the compiler create more efficient code and added some static-specifiers to make functions invisible to other modules.
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Robin Stuart 2017-05-29 10:43:47 +01:00
parent d08237d06e
commit b3a1b24d18
29 changed files with 275 additions and 298 deletions
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backend/upcean.c
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@ -505,7 +505,7 @@ char isbn_check(unsigned char source[]) {
}
/* Make an EAN-13 barcode from an SBN or ISBN */
int isbn(struct zint_symbol *symbol, unsigned char source[], const unsigned int src_len, char dest[]) {
static int isbn(struct zint_symbol *symbol, unsigned char source[], const size_t src_len, char dest[]) {
int i, error_number;
char check_digit;