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Unverified Commit ed40d791 by Stéphane Graber Committed by GitHub
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Merge pull request #2365 from brauner/2018-05-30/improve_strprint

confile: improve strprint()
parents 9715e65c 9496659c
Showing with 3 additions and 0 deletions
src/lxc/confile_utils.h
...@@ -43,7 +43,10 @@ ...@@ -43,7 +43,10 @@
#define strprint(str, inlen, ...) \ #define strprint(str, inlen, ...) \
do { \ do { \
if (str) \
len = snprintf(str, inlen, ##__VA_ARGS__); \ len = snprintf(str, inlen, ##__VA_ARGS__); \
else \
len = snprintf((char *){""}, 0, ##__VA_ARGS__); \
if (len < 0) { \ if (len < 0) { \
SYSERROR("failed to create string"); \ SYSERROR("failed to create string"); \
return -1; \ return -1; \
......
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